Latches & Flip-Flops

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Part RoHS Manufacturer Logic IC Type Temperature Grade Terminal Form No. of Terminals Package Code Package Shape Total Dose (V) Package Body Material Schmitt Trigger Surface Mount No. of Functions Maximum Frequency At Nominal Supply Technology Screening Level No. of Inputs No. of Bits Packing Method Nominal Supply Voltage / Vsup (V) Power Supplies (V) Load Capacitance (CL) Package Style (Meter) Package Equivalence Code Propagation Delay (tpd) Maximum I (ol) Sub-Category Terminal Pitch Maximum Operating Temperature Count Direction Output Characteristics Trigger Type Minimum Operating Temperature Terminal Finish Terminal Position No. of Ports Minimum fmax JESD-30 Code Moisture Sensitivity Level (MSL) Maximum Supply Voltage (Vsup) Maximum Seated Height Width Qualification Output Polarity Minimum Supply Voltage (Vsup) Maximum Power Supply Current (ICC) Additional Features JESD-609 Code Maximum Time At Peak Reflow Temperature (s) Peak Reflow Temperature (C) Length Family

HD74LS174P-E

Renesas Electronics

D FLIP-FLOP

COMMERCIAL EXTENDED

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

30000000 Hz

TTL

6

5

5

IN-LINE

DIP16,.3

30 ns

8 Amp

FF/Latches

2.54 mm

75 Cel

POSITIVE EDGE

-20 Cel

NICKEL PALLADIUM GOLD

DUAL

30 MHz

R-PDIP-T16

1

5.06 mm

7.62 mm

Not Qualified

TRUE

26 mA

e4

19.2 mm

LS

HEF4027BT

NXP Semiconductors

J-K FLIP-FLOP

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

4000000 Hz

CMOS

2

5

5/15

50 pF

SMALL OUTLINE

SOP16,.25

210 ns

.36 Amp

FF/Latches

1.27 mm

85 Cel

POSITIVE EDGE

-40 Cel

Nickel/Palladium/Gold (Ni/Pd/Au)

DUAL

4 MHz

R-PDSO-G16

1

15 V

1.75 mm

3.9 mm

Not Qualified

COMPLEMENTARY

3 V

e4

30

260

9.9 mm

4000/14000/40000

M74HC279B1R

STMicroelectronics

R-S LATCH

MILITARY

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

4

CMOS

2

4.5

2/6

50 pF

IN-LINE

DIP16,.3

195 ns

4 Amp

FF/Latches

2.54 mm

125 Cel

LOW LEVEL

-55 Cel

MATTE TIN

DUAL

R-PDIP-T16

6 V

5.1 mm

7.62 mm

Not Qualified

TRUE

2 V

WITH DUAL S INPUT FOR TWO FUNCTIONS

e3

HC/UH

M74HC73B1R

STMicroelectronics

J-K FLIP-FLOP

MILITARY

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

20000000 Hz

CMOS

2

TUBE

4.5

2/6

50 pF

IN-LINE

DIP14,.3

190 ns

4 Amp

FF/Latches

2.54 mm

125 Cel

NEGATIVE EDGE

-55 Cel

MATTE TIN

DUAL

24 MHz

R-PDIP-T14

6 V

5.1 mm

7.62 mm

Not Qualified

COMPLEMENTARY

2 V

MASTER SLAVE OPERATION

e3

HC/UH

M81016KP

Mitsubishi Electric

D FLIP-FLOP

INDUSTRIAL

GULL WING

20

LSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

20000000 Hz

CMOS

8

5

5

SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

SSOP20,.25

FF/Latches

.65 mm

85 Cel

OPEN-DRAIN

POSITIVE EDGE

-40 Cel

DUAL

20 MHz

R-PDSO-G20

1

5.5 V

1.45 mm

4.4 mm

Not Qualified

INVERTED

4.5 V

6.5 mm

81016

MC14043BCP

Onsemi

R-S LATCH

MILITARY

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

4

RAIL

5

5/15

50 pF

IN-LINE

DIP16,.3

350 ns

FF/Latches

2.54 mm

125 Cel

3-STATE

HIGH LEVEL

-55 Cel

Tin/Lead (Sn80Pb20)

DUAL

R-PDIP-T16

18 V

4.44 mm

7.62 mm

Not Qualified

TRUE

3 V

e0

30

235

19.175 mm

4000/14000/40000

MC74AC74NC

Motorola

D FLIP-FLOP

INDUSTRIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

CMOS

1

5

50 pF

IN-LINE

10.5 ns

2.54 mm

85 Cel

POSITIVE EDGE

-40 Cel

DUAL

125 MHz

R-PDIP-T14

6 V

4.69 mm

7.62 mm

Not Qualified

COMPLEMENTARY

2 V

18.86 mm

AC

MC74VHC74DR2G

Onsemi

D FLIP-FLOP

INDUSTRIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

75000000 Hz

CMOS

1

TR

3.3

2/5.5

50 pF

SMALL OUTLINE

SOP14,.25

17.5 ns

8 Amp

FF/Latches

1.27 mm

85 Cel

POSITIVE EDGE

-40 Cel

MATTE TIN

DUAL

110 MHz

R-PDSO-G14

1

5.5 V

1.75 mm

3.9 mm

Not Qualified

COMPLEMENTARY

2 V

e3

30

260

8.65 mm

AHC/VHC

MM74HC73N

National Semiconductor

J-K FLIP-FLOP

INDUSTRIAL

THROUGH-HOLE

14

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

21000000 Hz

CMOS

2

4.5

2/6

50 pF

IN-LINE

DIP14,.3

160 ns

4 Amp

FF/Latches

2.54 mm

85 Cel

NEGATIVE EDGE

-40 Cel

TIN LEAD

DUAL

25 MHz

R-PDIP-T14

6 V

5.08 mm

7.62 mm

Not Qualified

COMPLEMENTARY

2 V

MASTER SLAVE OPERATION

e0

19.18 mm

HC/UH

NC7SV74K8X

Onsemi

D FLIP-FLOP

INDUSTRIAL

GULL WING

8

VSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

150000000 Hz

CMOS

1

TR

1.1

1.2/3.3

30 pF

SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH

TSSOP8,.12,20

9.9 ns

2 Amp

FF/Latches

.5 mm

85 Cel

POSITIVE EDGE

-40 Cel

TIN

DUAL

250 MHz

R-PDSO-G8

1

3.6 V

.9 mm

2 mm

Not Qualified

COMPLEMENTARY

.9 V

e3

30

260

2.3 mm

AUP/ULP/V

SN54ALS573J

Texas Instruments

D LATCH

MILITARY

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

1

TTL

8

5

5

IN-LINE

DIP20,.3

FF/Latches

2.54 mm

125 Cel

3-STATE

-55 Cel

DUAL

R-XDIP-T20

Not Qualified

SN54LS259BJ

Texas Instruments

D LATCH

MILITARY

THROUGH-HOLE

16

DIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

1

TTL

1

5

5

15 pF

IN-LINE

DIP16,.3

24 ns

4 Amp

FF/Latches

2.54 mm

125 Cel

LOW LEVEL

-55 Cel

DUAL

R-CDIP-T16

5.5 V

5.08 mm

7.62 mm

Not Qualified

TRUE

4.5 V

36 mA

1:8 DMUX FOLLOWED BY LATCH; RESET ACTIVE ONLY WHEN LATCH ENABLE IS HIGH

NOT SPECIFIED

NOT SPECIFIED

19.56 mm

LS

SN74AHC273DBR

Texas Instruments

D FLIP-FLOP

AUTOMOTIVE

GULL WING

20

SSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

70000000 Hz

CMOS

8

TR

3.3

2/5.5

50 pF

SMALL OUTLINE, SHRINK PITCH

SSOP20,.3

19.5 ns

8 Amp

FF/Latches

.65 mm

125 Cel

POSITIVE EDGE

-40 Cel

Nickel/Palladium/Gold (Ni/Pd/Au)

DUAL

100 MHz

R-PDSO-G20

1

5.5 V

2 mm

5.3 mm

Not Qualified

TRUE

2 V

.04 mA

e4

NOT SPECIFIED

260

7.2 mm

AHC/VHC/H/U/V

SN74AHC273N

Texas Instruments

D FLIP-FLOP

AUTOMOTIVE

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

70000000 Hz

CMOS

8

TUBE

3.3

2/5.5

50 pF

IN-LINE

DIP20,.3

19.5 ns

8 Amp

FF/Latches

2.54 mm

125 Cel

POSITIVE EDGE

-40 Cel

Nickel/Palladium/Gold (Ni/Pd/Au)

DUAL

100 MHz

R-PDIP-T20

5.5 V

5.08 mm

7.62 mm

Not Qualified

TRUE

2 V

.04 mA

e4

NOT SPECIFIED

NOT SPECIFIED

25.4 mm

AHC/VHC/H/U/V

SN74AHC273NSR

Texas Instruments

D FLIP-FLOP

AUTOMOTIVE

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

70000000 Hz

CMOS

8

TR

3.3

2/5.5

50 pF

SMALL OUTLINE

SOP20,.3

19.5 ns

8 Amp

FF/Latches

1.27 mm

125 Cel

POSITIVE EDGE

-40 Cel

Nickel/Palladium/Gold (Ni/Pd/Au)

DUAL

100 MHz

R-PDSO-G20

1

5.5 V

2 mm

5.3 mm

Not Qualified

TRUE

2 V

.04 mA

e4

NOT SPECIFIED

260

12.6 mm

AHC/VHC/H/U/V

SN74AHC273PW

Texas Instruments

D FLIP-FLOP

AUTOMOTIVE

GULL WING

20

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

70000000 Hz

CMOS

8

TUBE

3.3

2/5.5

50 pF

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP20,.25

19.5 ns

8 Amp

FF/Latches

.65 mm

125 Cel

POSITIVE EDGE

-40 Cel

Nickel/Palladium/Gold (Ni/Pd/Au)

DUAL

100 MHz

R-PDSO-G20

1

5.5 V

1.2 mm

4.4 mm

Not Qualified

TRUE

2 V

.04 mA

e4

NOT SPECIFIED

260

6.5 mm

AHC/VHC/H/U/V

SN74AHC273PWE4

Texas Instruments

D FLIP-FLOP

INDUSTRIAL

GULL WING

20

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

70000000 Hz

CMOS

8

TUBE

3.3

2/5.5

50 pF

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP20,.25

19.5 ns

8 Amp

FF/Latches

.65 mm

85 Cel

POSITIVE EDGE

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

100 MHz

R-PDSO-G20

1

5.5 V

1.2 mm

4.4 mm

Not Qualified

TRUE

2 V

e4

30

260

6.5 mm

AHC/VHC/H/U/V

SN74AHC273PWG4

Texas Instruments

D FLIP-FLOP

AUTOMOTIVE

GULL WING

20

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

70000000 Hz

CMOS

8

TUBE

3.3

2/5.5

50 pF

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP20,.25

19.5 ns

8 Amp

FF/Latches

.65 mm

125 Cel

POSITIVE EDGE

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

100 MHz

R-PDSO-G20

1

5.5 V

1.2 mm

4.4 mm

Not Qualified

TRUE

2 V

e4

30

260

6.5 mm

AHC/VHC/H/U/V

SN74AHCT74DR

Texas Instruments

D FLIP-FLOP

AUTOMOTIVE

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

65000000 Hz

CMOS

1

TR

5

5

50 pF

SMALL OUTLINE

SOP14,.25

10 ns

8 Amp

FF/Latches

1.27 mm

125 Cel

POSITIVE EDGE

-40 Cel

Nickel/Palladium/Gold (Ni/Pd/Au)

DUAL

80 MHz

R-PDSO-G14

1

5.5 V

1.75 mm

3.9 mm

Not Qualified

COMPLEMENTARY

4.5 V

.02 mA

e4

NOT SPECIFIED

260

8.65 mm

AHCT/VHCT/VT

SN74AHCT74DRE4

Texas Instruments

D FLIP-FLOP

AUTOMOTIVE

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

65000000 Hz

CMOS

1

TR

5

5

50 pF

SMALL OUTLINE

SOP14,.25

10 ns

8 Amp

FF/Latches

1.27 mm

125 Cel

POSITIVE EDGE

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

80 MHz

R-PDSO-G14

1

5.5 V

1.75 mm

3.9 mm

Not Qualified

COMPLEMENTARY

4.5 V

e4

40

260

8.65 mm

AHCT/VHCT/VT

SN74AHCT74DRG4

Texas Instruments

D FLIP-FLOP

AUTOMOTIVE

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

65000000 Hz

CMOS

1

TR

5

5

50 pF

SMALL OUTLINE

SOP14,.25

10 ns

8 Amp

FF/Latches

1.27 mm

125 Cel

POSITIVE EDGE

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

80 MHz

R-PDSO-G14

1

5.5 V

1.75 mm

3.9 mm

Not Qualified

COMPLEMENTARY

4.5 V

e4

40

260

8.65 mm

AHCT/VHCT/VT

SN74ALS175N

Texas Instruments

D FLIP-FLOP

COMMERCIAL

THROUGH-HOLE

16

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

50000000 Hz

TTL

4

TUBE

5

5

50 pF

IN-LINE

DIP16,.3

17 ns

8 Amp

FF/Latches

2.54 mm

70 Cel

POSITIVE EDGE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

50 MHz

R-PDIP-T16

5.5 V

5.08 mm

6.35 mm

Not Qualified

COMPLEMENTARY

4.5 V

14 mA

e4

19.3 mm

ALS

SN74AUC1G74DCUR

Texas Instruments

D FLIP-FLOP

INDUSTRIAL

GULL WING

8

VSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

200000000 Hz

CMOS

1

TR

1.2

1.2/2.5

15 pF

SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH

TSSOP8,.12,20

3.8 ns

9 Amp

FF/Latches

.5 mm

85 Cel

3-STATE

POSITIVE EDGE

-40 Cel

Matte Tin (Sn)

DUAL

275 MHz

R-PDSO-G8

1

2.7 V

.9 mm

2 mm

Not Qualified

COMPLEMENTARY

.8 V

.01 mA

e3

NOT SPECIFIED

260

2.3 mm

AUC

SN74AUC1G74DCURE4

Texas Instruments

D FLIP-FLOP

INDUSTRIAL

GULL WING

8

VSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

200000000 Hz

CMOS

1

TR

1.2

1.2/2.5

15 pF

SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH

TSSOP8,.12,20

3.8 ns

9 Amp

FF/Latches

.5 mm

85 Cel

3-STATE

POSITIVE EDGE

-40 Cel

Nickel/Palladium/Gold (Ni/Pd/Au)

DUAL

275 MHz

R-PDSO-G8

1

2.7 V

.9 mm

2 mm

Not Qualified

COMPLEMENTARY

.8 V

.01 mA

e4

NOT SPECIFIED

260

2.3 mm

AUC

SN74AUC1G74DCURG4

Texas Instruments

D FLIP-FLOP

INDUSTRIAL

GULL WING

8

VSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

200000000 Hz

CMOS

1

TR

1.2

1.2/2.5

15 pF

SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH

TSSOP8,.12,20

3.8 ns

9 Amp

FF/Latches

.5 mm

85 Cel

3-STATE

POSITIVE EDGE

-40 Cel

Nickel/Palladium/Gold (Ni/Pd/Au)

DUAL

275 MHz

R-PDSO-G8

1

2.7 V

.9 mm

2 mm

Not Qualified

COMPLEMENTARY

.8 V

.01 mA

e4

NOT SPECIFIED

260

2.3 mm

AUC

SN74AUC2G80DCTR

Texas Instruments

D FLIP-FLOP

INDUSTRIAL

GULL WING

8

LSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

200000000 Hz

CMOS

1

TR

1.2

1.2/2.5

15 pF

SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

SSOP8,.16

3.9 ns

9 Amp

FF/Latches

.65 mm

85 Cel

3-STATE

POSITIVE EDGE

-40 Cel

Nickel/Palladium/Gold (Ni/Pd/Au)

DUAL

275 MHz

R-PDSO-G8

1

2.7 V

1.3 mm

2.8 mm

Not Qualified

INVERTED

.8 V

.01 mA

e4

NOT SPECIFIED

260

2.95 mm

AUC

SN74AUP1G74DQER

Texas Instruments

D FLIP-FLOP

INDUSTRIAL

NO LEAD

8

VSON

RECTANGULAR

PLASTIC/EPOXY

YES

1

40000000 Hz

CMOS

1

TR

1.2

1.2/3.3

30 pF

SMALL OUTLINE, VERY THIN PROFILE

SOLCC8,.04,14

27 ns

4 Amp

FF/Latches

.35 mm

85 Cel

3-STATE

POSITIVE EDGE

-40 Cel

NICKEL PALLADIUM GOLD SILVER

DUAL

180 MHz

R-PDSO-N8

1

3.6 V

.4 mm

1 mm

Not Qualified

COMPLEMENTARY

.8 V

.0009 mA

e4

30

260

1.4 mm

AUP/ULP/V

SN74AUP1G74YFPR

Texas Instruments

D FLIP-FLOP

INDUSTRIAL

BALL

8

VFBGA

RECTANGULAR

UNSPECIFIED

YES

1

40000000 Hz

CMOS

1

TR

1.2

1.2/3.3

30 pF

GRID ARRAY, VERY THIN PROFILE, FINE PITCH

BGA8,2X4,16

27 ns

4 Amp

FF/Latches

.4 mm

85 Cel

3-STATE

POSITIVE EDGE

-40 Cel

Tin/Silver/Copper (Sn/Ag/Cu)

BOTTOM

180 MHz

R-XBGA-B8

1

3.6 V

.5 mm

Not Qualified

COMPLEMENTARY

.8 V

.0009 mA

e1

NOT SPECIFIED

260

AUP/ULP/V

SN74AUP1G80DCKRE4

Texas Instruments

D FLIP-FLOP

INDUSTRIAL

GULL WING

5

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

260000000 Hz

CMOS

1

TR

1.2

1.2/3.3

30 pF

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP5/6,.08

28.7 ns

4 Amp

FF/Latches

.65 mm

85 Cel

3-STATE

POSITIVE EDGE

-40 Cel

Nickel/Palladium/Gold (Ni/Pd/Au)

DUAL

260 MHz

R-PDSO-G5

1

3.6 V

1.1 mm

1.25 mm

Not Qualified

INVERTED

.8 V

.0009 mA

e4

NOT SPECIFIED

260

2 mm

AUP/ULP/V

SN74F109DR

Texas Instruments

J-KBAR FLIP-FLOP

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

2

90000000 Hz

TTL

2

TR

5

5

50 pF

SMALL OUTLINE

SOP16,.25

9.2 ns

20 Amp

FF/Latches

1.27 mm

70 Cel

POSITIVE EDGE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

100 MHz

R-PDSO-G16

1

5.5 V

1.75 mm

3.91 mm

Not Qualified

COMPLEMENTARY

4.5 V

19 mA

e4

30

260

9.9 mm

F/FAST

SN74HC175D

Texas Instruments

D FLIP-FLOP

INDUSTRIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

25000000 Hz

CMOS

4

TUBE

5

2/6

50 pF

SMALL OUTLINE

SOP16,.25

190 ns

5.2 Amp

FF/Latches

1.27 mm

85 Cel

POSITIVE EDGE

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

29 MHz

R-PDSO-G16

1

6 V

1.75 mm

3.91 mm

Not Qualified

COMPLEMENTARY

2 V

.08 mA

e4

30

260

9.9 mm

HC

SN74HC175DBR

Texas Instruments

D FLIP-FLOP

INDUSTRIAL

GULL WING

16

SSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

25000000 Hz

CMOS

4

TR

5

2/6

50 pF

SMALL OUTLINE, SHRINK PITCH

SSOP16,.3

190 ns

5.2 Amp

FF/Latches

.65 mm

85 Cel

POSITIVE EDGE

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

29 MHz

R-PDSO-G16

1

6 V

2 mm

5.3 mm

Not Qualified

COMPLEMENTARY

2 V

.08 mA

e4

30

260

6.2 mm

HC

SN74HC175PW

Texas Instruments

D FLIP-FLOP

INDUSTRIAL

GULL WING

16

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

25000000 Hz

CMOS

4

TUBE

5

2/6

50 pF

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP16,.25

190 ns

5.2 Amp

FF/Latches

.65 mm

85 Cel

POSITIVE EDGE

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

29 MHz

R-PDSO-G16

1

6 V

1.2 mm

4.4 mm

Not Qualified

COMPLEMENTARY

2 V

.08 mA

e4

30

260

5 mm

HC

SN74HCS72QPWRQ1

Texas Instruments

D FLIP-FLOP

AUTOMOTIVE

GULL WING

14

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

YES

2

CMOS

AEC-Q100

1

5

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

42 ns

7.8 Amp

.65 mm

125 Cel

NEGATIVE EDGE

-40 Cel

Nickel/Palladium/Gold (Ni/Pd/Au)

DUAL

74 MHz

R-PDSO-G14

1

6 V

1.2 mm

4.4 mm

COMPLEMENTARY

2 V

.002 mA

e4

30

260

5 mm

HC/UH

SN74HCT74DRE4

Texas Instruments

D FLIP-FLOP

INDUSTRIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

22000000 Hz

CMOS

MIL-PRF-38535

1

TR

5

5

50 pF

SMALL OUTLINE

SOP14,.25

35 ns

4 Amp

FF/Latches

1.27 mm

85 Cel

POSITIVE EDGE

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

24 MHz

R-PDSO-G14

1

5.5 V

1.75 mm

3.91 mm

Not Qualified

COMPLEMENTARY

4.5 V

.04 mA

e4

30

260

8.65 mm

HCT

SN74HCT74DTE4

Texas Instruments

D FLIP-FLOP

INDUSTRIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

22000000 Hz

CMOS

1

TR

5

5

50 pF

SMALL OUTLINE

SOP14,.25

35 ns

4 Amp

FF/Latches

1.27 mm

85 Cel

POSITIVE EDGE

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

24 MHz

R-PDSO-G14

1

5.5 V

1.75 mm

3.9 mm

Not Qualified

COMPLEMENTARY

4.5 V

e4

30

260

8.65 mm

HCT

SN74LS109AD

Texas Instruments

J-KBAR FLIP-FLOP

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

2

25000000 Hz

TTL

2

TUBE

5

5

15 pF

SMALL OUTLINE

SOP16,.25

40 ns

8 Amp

FF/Latches

1.27 mm

70 Cel

POSITIVE EDGE

0 Cel

Nickel/Palladium/Gold (Ni/Pd/Au)

DUAL

30 MHz

R-PDSO-G16

1

5.25 V

1.75 mm

3.9 mm

Not Qualified

COMPLEMENTARY

4.75 V

8 mA

INVERTED K INPUT

e4

NOT SPECIFIED

260

9.9 mm

LS

SN74LS109ANSR

Texas Instruments

J-KBAR FLIP-FLOP

COMMERCIAL

GULL WING

16

SOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

2

25000000 Hz

TTL

2

TR

5

5

15 pF

SMALL OUTLINE

SOP16,.3

40 ns

8 Amp

FF/Latches

1.27 mm

70 Cel

POSITIVE EDGE

0 Cel

Nickel/Palladium/Gold (Ni/Pd/Au)

DUAL

30 MHz

R-PDSO-G16

1

5.25 V

2 mm

5.3 mm

Not Qualified

COMPLEMENTARY

4.75 V

15 mA

INVERTED K INPUT

e4

NOT SPECIFIED

260

10.2 mm

LS

SN74LS377NSR

Texas Instruments

D FLIP-FLOP

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

30000000 Hz

TTL

8

TR

5

5

SMALL OUTLINE

SOP20,.3

27 ns

8 Amp

FF/Latches

1.27 mm

70 Cel

POSITIVE EDGE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

30 MHz

R-PDSO-G20

1

5.25 V

2 mm

5.3 mm

Not Qualified

TRUE

4.75 V

28 mA

e4

30

260

12.6 mm

LS

SN74LS377NSRE4

Texas Instruments

D FLIP-FLOP

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

30000000 Hz

TTL

8

TR

5

5

SMALL OUTLINE

SOP20,.3

27 ns

8 Amp

FF/Latches

1.27 mm

70 Cel

POSITIVE EDGE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

30 MHz

R-PDSO-G20

1

5.25 V

2 mm

5.3 mm

Not Qualified

TRUE

4.75 V

28 mA

e4

30

260

12.6 mm

LS

SN74LS74ADRE4

Texas Instruments

D FLIP-FLOP

COMMERCIAL

GULL WING

14

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

25000000 Hz

TTL

1

TR

5

5

15 pF

SMALL OUTLINE

SOP14,.25

40 ns

8 Amp

FF/Latches

1.27 mm

70 Cel

POSITIVE EDGE

0 Cel

NICKEL PALLADIUM GOLD

DUAL

25 MHz

R-PDSO-G14

1

5.25 V

1.75 mm

3.9 mm

Not Qualified

COMPLEMENTARY

4.75 V

8 mA

e4

30

260

8.65 mm

LS

SN74LV273APWTE4

Texas Instruments

D FLIP-FLOP

INDUSTRIAL

GULL WING

20

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

45000000 Hz

CMOS

8

TR

2.5

3.3

50 pF

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP20,.25

25 ns

6 Amp

FF/Latches

.65 mm

85 Cel

POSITIVE EDGE

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

100 MHz

R-PDSO-G20

1

5.5 V

1.2 mm

4.4 mm

Not Qualified

TRUE

2 V

e4

30

260

6.5 mm

LV/LV-A/LVX/H

SN74LV273APWTG4

Texas Instruments

D FLIP-FLOP

INDUSTRIAL

GULL WING

20

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

45000000 Hz

CMOS

8

TUBE

2.5

3.3

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP20,.25

25 ns

6 Amp

FF/Latches

.65 mm

85 Cel

POSITIVE EDGE

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

100 MHz

R-PDSO-G20

1

5.5 V

1.2 mm

4.4 mm

Not Qualified

TRUE

2 V

e4

30

260

6.5 mm

LV/LV-A/LVX/H

SN74LV74APWT

Texas Instruments

D FLIP-FLOP

AUTOMOTIVE

GULL WING

14

TSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

45000000 Hz

CMOS

1

TR

2.5

3.3

50 pF

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP14,.25

23 ns

12 Amp

FF/Latches

.65 mm

125 Cel

POSITIVE EDGE

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

110 MHz

R-PDSO-G14

1

5.5 V

1.2 mm

4.4 mm

Not Qualified

COMPLEMENTARY

2 V

.02 mA

e4

30

260

5 mm

LV/LV-A/LVX/H

SN74LVC112APWR

Texas Instruments

J-K FLIP-FLOP

AUTOMOTIVE

GULL WING

16

TSSOP

RECTANGULAR

PLASTIC/EPOXY

NO

YES

2

150000000 Hz

CMOS

2

TR

1.8

3.3

50 pF

SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

TSSOP16,.25

7.1 ns

24 Amp

FF/Latches

.65 mm

125 Cel

NEGATIVE EDGE

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

150 MHz

R-PDSO-G16

1

3.6 V

1.2 mm

4.4 mm

Not Qualified

COMPLEMENTARY

2 V

.01 mA

e4

30

260

5 mm

LVC/LCX/Z

SN74LVC1G79DBVRE4

Texas Instruments

D FLIP-FLOP

INDUSTRIAL

GULL WING

5

LSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

1

TR

1.8

3.3

50 pF

SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

TSOP5/6,.11,37

20.5 ns

24 Amp

FF/Latches

.95 mm

85 Cel

3-STATE

POSITIVE EDGE

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

160 MHz

R-PDSO-G5

1

5.5 V

1.45 mm

1.6 mm

Not Qualified

TRUE

1.65 V

e4

30

260

2.9 mm

LVC/LCX/Z

SN74LVC1G80DBVR

Texas Instruments

D FLIP-FLOP

AUTOMOTIVE

GULL WING

5

LSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

160000000 Hz

CMOS

1

TR

1.8

3.3

50 pF

SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

TSOP5/6,.11,37

9.9 ns

32 Amp

FF/Latches

.95 mm

125 Cel

3-STATE

POSITIVE EDGE

-40 Cel

Nickel/Palladium/Gold (Ni/Pd/Au)

DUAL

160 MHz

R-PDSO-G5

1

5.5 V

1.45 mm

1.6 mm

Not Qualified

INVERTED

1.65 V

.01 mA

e4

NOT SPECIFIED

260

2.9 mm

LVC/LCX/Z

SN74LVC2G79DCUR

Texas Instruments

D FLIP-FLOP

AUTOMOTIVE

GULL WING

8

VSSOP

RECTANGULAR

PLASTIC/EPOXY

YES

2

160000000 Hz

CMOS

1

TR

1.8

3.3

50 pF

SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH

TSSOP8,.12,20

9.9 ns

32 Amp

FF/Latches

.5 mm

125 Cel

POSITIVE EDGE

-40 Cel

Matte Tin (Sn)

DUAL

160 MHz

R-PDSO-G8

1

5.5 V

.9 mm

2 mm

Not Qualified

TRUE

1.65 V

.005 mA

e3

NOT SPECIFIED

260

2.3 mm

LVC/LCX/Z

Latches & Flip-Flops

Latches and flip-flops are two types of electronic circuits used in digital systems to store and manipulate digital data. They are both sequential logic circuits, meaning that they can store information and use that information to make decisions based on the previous state.

A latch is a type of digital circuit that can hold or "latch" a signal in its current state. It is a simple memory element that can store a single bit of information. A latch can be transparent or opaque, depending on its behavior when the clock signal is active. A transparent latch passes the input signal through to the output when the clock signal is active, while an opaque latch holds the input signal at the output when the clock signal is active.

Flip-flops are similar to latches but are more sophisticated and have additional control inputs. A flip-flop is a digital circuit that can store one bit of information and change its state based on the clock signal and input signals. Flip-flops can be edge-triggered or level-triggered, depending on how they respond to the clock signal. Edge-triggered flip-flops change their state at the rising or falling edge of the clock signal, while level-triggered flip-flops change their state continuously as long as the clock signal is active.

Flip-flops are classified into various types based on their behavior and the number of inputs. Some of the commonly used flip-flops include D flip-flops, JK flip-flops, T flip-flops, and SR flip-flops. D flip-flops have a single data input and a clock input and can store one bit of information. JK flip-flops have two inputs, J and K, and can store one bit of information. T flip-flops have a single input and can toggle between two states based on the clock signal. SR flip-flops have two inputs, S and R, and can store one bit of information.

Latches and flip-flops are used in various applications, including digital signal processing, memory systems, and control circuits. They are essential components of digital systems and can be found in many electronic devices, such as computers, mobile phones, and digital cameras.