OTP ROM

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Part RoHS Manufacturer Memory IC Type Temperature Grade No. of Terminals Package Code Package Shape Total Dose (V) Package Body Material Surface Mount No. of Functions Technology Screening Level Nominal Negative Supply Voltage Terminal Form Parallel or Serial Operating Mode Maximum Supply Current No. of Words Input/Output Type Nominal Supply Voltage / Vsup (V) Power Supplies (V) Memory Width Package Style (Meter) Package Equivalence Code Alternate Memory Width Sub-Category Minimum Data Retention Time Terminal Pitch Maximum Operating Temperature Reverse Pinout Output Characteristics Organization No. of Words Code Minimum Operating Temperature Terminal Finish Terminal Position No. of Ports Write Protection JESD-30 Code Moisture Sensitivity Level (MSL) Maximum Supply Voltage (Vsup) Maximum Seated Height Endurance Maximum Clock Frequency (fCLK) Width Qualification Memory Density Minimum Supply Voltage (Vsup) Additional Features JESD-609 Code Maximum Time At Peak Reflow Temperature (s) Peak Reflow Temperature (C) Maximum Standby Current Length Maximum Access Time Programming Voltage (V)

AT27C4096-10PC

Atmel

OTP ROM

COMMERCIAL

40

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

40 mA

262144 words

COMMON

5

5

16

IN-LINE

DIP40,.6

OTP ROMs

2.54 mm

70 Cel

3-STATE

256KX16

256K

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDIP-T40

5.5 V

5.59 mm

15.24 mm

Not Qualified

4194304 bit

4.5 V

e0

.0001 Amp

52.2 mm

100 ns

AT27C4096-15PC

Atmel

OTP ROM

COMMERCIAL

40

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

40 mA

262144 words

COMMON

5

5

16

IN-LINE

DIP40,.6

OTP ROMs

2.54 mm

70 Cel

3-STATE

256KX16

256K

0 Cel

TIN LEAD

DUAL

R-PDIP-T40

1

5.5 V

5.59 mm

15.24 mm

Not Qualified

4194304 bit

4.5 V

e0

.0001 Amp

52.2 mm

150 ns

AT27C4096-85PC

Atmel

OTP ROM

COMMERCIAL

40

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

40 mA

262144 words

COMMON

5

5

16

IN-LINE

DIP40,.6

OTP ROMs

2.54 mm

70 Cel

3-STATE

256KX16

256K

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDIP-T40

5.5 V

5.59 mm

15.24 mm

Not Qualified

4194304 bit

4.5 V

e0

.0001 Amp

52.2 mm

85 ns

AT27LV512A-90JU

Microchip Technology

OTP ROM

INDUSTRIAL

32

QCCJ

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

8 mA

65536 words

COMMON

3.3

3.3/5

8

CHIP CARRIER

LCC32,.45X.55

OTP ROMs

1.27 mm

85 Cel

3-STATE

64KX8

64K

-40 Cel

MATTE TIN

QUAD

1

R-PQCC-J32

3

3.6 V

3.556 mm

11.43 mm

Not Qualified

524288 bit

3 V

ALSO OPERATES AT 5V SUPPLY

e3

40

245

.00002 Amp

13.97 mm

90 ns

13

CY27C256A-45ZC

Rochester Electronics

OTP ROM

COMMERCIAL

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

32768 words

5

8

SMALL OUTLINE

70 Cel

32KX8

32K

0 Cel

DUAL

R-PDSO-G28

5.5 V

Not Qualified

262144 bit

4.5 V

NOT SPECIFIED

NOT SPECIFIED

45 ns

CY27C256A-70ZC

Rochester Electronics

OTP ROM

COMMERCIAL

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

32768 words

5

8

SMALL OUTLINE

70 Cel

32KX8

32K

0 Cel

DUAL

R-PDSO-G28

5.5 V

Not Qualified

262144 bit

4.5 V

NOT SPECIFIED

NOT SPECIFIED

70 ns

CY7C243-25JC

Cypress Semiconductor

OTP ROM

COMMERCIAL

28

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

100 mA

4096 words

COMMON

5

5

8

CHIP CARRIER

LDCC28,.5SQ

OTP ROMs

1.27 mm

70 Cel

3-STATE

4KX8

4K

0 Cel

TIN LEAD

QUAD

S-PQCC-J28

5.5 V

Not Qualified

32768 bit

4.5 V

e0

25 ns

CY7C243-25PC

Cypress Semiconductor

OTP ROM

COMMERCIAL

24

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

100 mA

4096 words

COMMON

5

5

8

IN-LINE

DIP24,.3

OTP ROMs

2.54 mm

70 Cel

3-STATE

4KX8

4K

0 Cel

TIN LEAD

DUAL

R-PDIP-T24

5.5 V

Not Qualified

32768 bit

4.5 V

e0

25 ns

DS1982-F3

Maxim Integrated

OTP ROM

INDUSTRIAL

2

ROUND

METAL

YES

1

CMOS

NO LEAD

SERIAL

ASYNCHRONOUS

1024 words

COMMON

5

3/5

1

DISK BUTTON

BUTTON,.68IN

Other Memory ICs

85 Cel

1KX1

1K

-40 Cel

TIN LEAD

END

O-MEDB-N2

1

6 V

Not Qualified

1024 bit

2.8 V

MICROLAN COMPATIBLE

e0

15000 ns

DS1982-F3#

Maxim Integrated

OTP ROM

INDUSTRIAL

2

ROUND

METAL

YES

1

CMOS

NO LEAD

SERIAL

ASYNCHRONOUS

1024 words

5

1

DISK BUTTON

85 Cel

1KX1

1K

-40 Cel

MATTE TIN

END

O-MEDB-N2

6 V

Not Qualified

1024 bit

2.8 V

MICROLAN COMPATIBLE

e3

DS1982-F3+

Analog Devices

OTP ROM

INDUSTRIAL

2

ROUND

METAL

YES

1

CMOS

NO LEAD

SERIAL

ASYNCHRONOUS

1024 words

COMMON

5

3/5

1

DISK BUTTON

BUTTON,.68IN

Other Memory ICs

85 Cel

1KX1

1K

-40 Cel

Matte Tin (Sn) - annealed

END

O-MEDB-N2

6 V

Not Qualified

1024 bit

2.8 V

MICROLAN COMPATIBLE

e3

15000 ns

DS2502S-UNW

Maxim Integrated

OTP ROM

INDUSTRIAL

8

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

MOS

GULL WING

SERIAL

SYNCHRONOUS

128 words

COMMON

5

3/5

8

SMALL OUTLINE

SOP8,.25

Other Memory ICs

1.27 mm

85 Cel

128X8

128

-40 Cel

TIN LEAD

DUAL

R-PDSO-G8

1

6 V

1.75 mm

3.9 mm

Not Qualified

1024 bit

2.8 V

MICROLAN COMPATIBLE

e0

4.9 mm

HM1-7621A-8

Intersil

OTP ROM

MILITARY

16

DIP

RECTANGULAR

CERAMIC

NO

TTL

MIL-STD-883 Class B (Modified)

THROUGH-HOLE

512 words

5

5

4

IN-LINE

DIP16,.3

OTP ROMs

2.54 mm

125 Cel

512X4

512

-55 Cel

Tin/Lead (Sn/Pb)

DUAL

R-XDIP-T16

Not Qualified

2048 bit

e0

70 ns

M27C1001-10B1

STMicroelectronics

OTP ROM

COMMERCIAL

32

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

131072 words

COMMON

5

5

8

IN-LINE

DIP32,.6

OTP ROMs

2.54 mm

70 Cel

3-STATE

128KX8

128K

0 Cel

MATTE TIN

DUAL

R-PDIP-T32

5.5 V

4.83 mm

15.24 mm

Not Qualified

1048576 bit

4.5 V

e3

.0001 Amp

42.035 mm

100 ns

M27C1001-45XC1

STMicroelectronics

OTP ROM

COMMERCIAL

32

QCCJ

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

30 mA

131072 words

COMMON

5

5

8

CHIP CARRIER

LDCC32,.5X.6

OTP ROMs

1.27 mm

70 Cel

3-STATE

128KX8

128K

0 Cel

MATTE TIN

QUAD

R-PQCC-J32

5.25 V

3.56 mm

11.43 mm

Not Qualified

1048576 bit

4.75 V

e3

.0001 Amp

13.97 mm

45 ns

M27C256B-12XC1

STMicroelectronics

OTP ROM

COMMERCIAL

32

QCCJ

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

30 mA

32768 words

COMMON

5

5

8

CHIP CARRIER

LDCC32,.5X.6

OTP ROMs

1.27 mm

70 Cel

3-STATE

32KX8

32K

0 Cel

MATTE TIN

QUAD

R-PQCC-J32

5.25 V

3.56 mm

11.43 mm

Not Qualified

262144 bit

4.75 V

e3

.0002 Amp

13.97 mm

120 ns

12.75

M27C4001-10B1

STMicroelectronics

OTP ROM

COMMERCIAL

32

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

524288 words

COMMON

5

5

8

IN-LINE

DIP32,.6

OTP ROMs

2.54 mm

70 Cel

3-STATE

512KX8

512K

0 Cel

MATTE TIN

DUAL

R-PDIP-T32

5.5 V

4.83 mm

15.24 mm

Not Qualified

4194304 bit

4.5 V

e3

.0001 Amp

42.035 mm

100 ns

AT27C1024-45VI

Atmel

OTP ROM

INDUSTRIAL

40

TSOP1

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

30 mA

65536 words

COMMON

5

5

16

SMALL OUTLINE, THIN PROFILE

TSSOP40,.56,20

OTP ROMs

.5 mm

85 Cel

3-STATE

64KX16

64K

-40 Cel

TIN LEAD

DUAL

R-PDSO-G40

3

5.5 V

1.2 mm

10 mm

Not Qualified

1048576 bit

4.5 V

e0

.0001 Amp

12.4 mm

45 ns

AT27C256R-45PI

Atmel

OTP ROM

INDUSTRIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

20 mA

32768 words

COMMON

5

5

8

IN-LINE

DIP28,.6

OTP ROMs

2.54 mm

85 Cel

3-STATE

32KX8

32K

-40 Cel

TIN LEAD

DUAL

R-PDIP-T28

1

5.5 V

4.826 mm

15.24 mm

Not Qualified

262144 bit

4.5 V

e0

.0001 Amp

37.0205 mm

45 ns

13

AT27C512R-45JC

Atmel

OTP ROM

COMMERCIAL

32

QCCJ

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

20 mA

65536 words

COMMON

5

5

8

CHIP CARRIER

LDCC32,.5X.6

OTP ROMs

1.27 mm

70 Cel

3-STATE

64KX8

64K

0 Cel

TIN LEAD

QUAD

R-PQCC-J32

2

5.5 V

3.55 mm

11.43 mm

Not Qualified

524288 bit

4.5 V

e0

225

.0001 Amp

13.97 mm

45 ns

AT27C512R-45JI

Atmel

OTP ROM

INDUSTRIAL

32

QCCJ

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

20 mA

65536 words

COMMON

5

5

8

CHIP CARRIER

LDCC32,.5X.6

OTP ROMs

1.27 mm

85 Cel

3-STATE

64KX8

64K

-40 Cel

TIN LEAD

QUAD

R-PQCC-J32

2

5.5 V

3.556 mm

11.43 mm

Not Qualified

524288 bit

4.5 V

e0

225

.0001 Amp

13.97 mm

45 ns

AT27LV512A-90JU-T

Microchip Technology

OTP ROM

INDUSTRIAL

32

QCCJ

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

8 mA

65536 words

COMMON

3.3

8

CHIP CARRIER

LCC32,.45X.55

1.27 mm

85 Cel

3-STATE

64KX8

64K

-40 Cel

QUAD

1

R-PQCC-J32

3.6 V

3.556 mm

11.43 mm

524288 bit

3 V

ALSO OPERATES AT 5V SUPPLY

.00002 Amp

13.97 mm

90 ns

13

AT27BV256-70JU

Microchip Technology

OTP ROM

INDUSTRIAL

32

QCCJ

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

8 mA

32768 words

COMMON

3

3/5

8

CHIP CARRIER

LCC32,.45X.55

OTP ROMs

1.27 mm

85 Cel

3-STATE

32KX8

32K

-40 Cel

MATTE TIN

QUAD

1

R-PQCC-J32

3

3.6 V

3.556 mm

11.43 mm

Not Qualified

262144 bit

2.7 V

ALSO OPERATES AT 5V SUPPLY

e3

40

245

.00002 Amp

13.97 mm

70 ns

13

AT27BV256-70JU-T

Microchip Technology

OTP ROM

INDUSTRIAL

32

QCCJ

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

8 mA

32768 words

COMMON

3

8

CHIP CARRIER

LCC32,.45X.55

1.27 mm

85 Cel

3-STATE

32KX8

32K

-40 Cel

QUAD

1

R-PQCC-J32

3.6 V

3.556 mm

11.43 mm

262144 bit

2.7 V

ALSO OPERATES AT 5V SUPPLY

.00002 Amp

13.97 mm

70 ns

13

DS2505/T&R

Maxim Integrated

OTP ROM

INDUSTRIAL

3

TO-92

ROUND

PLASTIC/EPOXY

NO

1

MOS

THROUGH-HOLE

SERIAL

ASYNCHRONOUS

16384 words

COMMON

5

3/5

1

CYLINDRICAL

SIP3,.1

Other Memory ICs

2.54 mm

85 Cel

16KX1

16K

-40 Cel

TIN LEAD

BOTTOM

O-PBCY-T3

6 V

Not Qualified

16384 bit

2.8 V

MICROLAN COMPATIBLE

e0

15000 ns

DS2505+T&R

Analog Devices

OTP ROM

INDUSTRIAL

3

TO-92

ROUND

PLASTIC/EPOXY

NO

1

MOS

THROUGH-HOLE

SERIAL

ASYNCHRONOUS

16384 words

COMMON

5

3/5

1

CYLINDRICAL

SIP3,.1

Other Memory ICs

2.54 mm

85 Cel

16KX1

16K

-40 Cel

Matte Tin (Sn) - annealed

BOTTOM

O-PBCY-T3

6 V

Not Qualified

16384 bit

2.8 V

MICROLAN COMPATIBLE

e3

250

15000 ns

M27C801-100K1

STMicroelectronics

OTP ROM

COMMERCIAL

32

QCCJ

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

35 mA

1048576 words

COMMON

5

5

8

CHIP CARRIER

LDCC32,.5X.6

OTP ROMs

1.27 mm

70 Cel

3-STATE

1MX8

1M

0 Cel

MATTE TIN

QUAD

R-PQCC-J32

5.5 V

3.56 mm

11.43 mm

Not Qualified

8388608 bit

4.5 V

e3

.0001 Amp

13.97 mm

100 ns

AT27LV040A-90JI

Atmel

OTP ROM

INDUSTRIAL

32

QCCJ

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

30 mA

524288 words

COMMON

3.3

3.3/5

8

CHIP CARRIER

LDCC32,.5X.6

OTP ROMs

1.27 mm

85 Cel

3-STATE

512KX8

512K

-40 Cel

TIN LEAD

QUAD

R-PQCC-J32

2

3.6 V

3.556 mm

11.43 mm

Not Qualified

4194304 bit

3 V

ALSO OPERATES AT 5V SUPPLY

e0

225

.00002 Amp

13.97 mm

90 ns

82S123/BEA

NXP Semiconductors

OTP ROM

MILITARY

16

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

BIPOLAR

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

32 words

5

8

IN-LINE

2.54 mm

125 Cel

3-STATE

32X8

32

-55 Cel

DUAL

R-GDIP-T16

5.5 V

5.08 mm

7.62 mm

Not Qualified

256 bit

4.5 V

19.535 mm

50 ns

82S123BEA

Qp Semiconductor

OTP ROM

MILITARY

16

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

1

BIPOLAR

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

32 words

5

8

IN-LINE

125 Cel

32X8

32

-55 Cel

DUAL

R-CDIP-T16

5.5 V

Not Qualified

256 bit

4.5 V

50 ns

AT27C040-90PI

Atmel

OTP ROM

INDUSTRIAL

32

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

30 mA

524288 words

COMMON

5

5

8

IN-LINE

DIP32,.6

OTP ROMs

2.54 mm

85 Cel

3-STATE

512KX8

512K

-40 Cel

TIN LEAD

DUAL

R-PDIP-T32

1

5.5 V

4.826 mm

15.24 mm

Not Qualified

4194304 bit

4.5 V

e0

.0001 Amp

42.037 mm

90 ns

AT27C1024-70JI

Atmel

OTP ROM

INDUSTRIAL

44

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

30 mA

65536 words

COMMON

5

5

16

CHIP CARRIER

LDCC44,.7SQ

OTP ROMs

1.27 mm

85 Cel

3-STATE

64KX16

64K

-40 Cel

Tin/Lead (Sn/Pb)

QUAD

S-PQCC-J44

2

5.5 V

4.572 mm

16.586 mm

Not Qualified

1048576 bit

4.5 V

e0

30

225

.0001 Amp

16.586 mm

70 ns

AT27C512R-70TU

Atmel

OTP ROM

INDUSTRIAL

28

TSOP1

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

20 mA

65536 words

COMMON

5

5

8

SMALL OUTLINE, THIN PROFILE

TSSOP28,.53,22

OTP ROMs

.55 mm

85 Cel

3-STATE

64KX8

64K

-40 Cel

DUAL

R-PDSO-G28

5.5 V

1.2 mm

8 mm

Not Qualified

524288 bit

4.5 V

.0001 Amp

11.8 mm

70 ns

AT27C010-15PI

Atmel

OTP ROM

INDUSTRIAL

32

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

35 mA

131072 words

COMMON

5

5

8

IN-LINE

DIP32,.6

OTP ROMs

2.54 mm

85 Cel

3-STATE

128KX8

128K

-40 Cel

TIN LEAD

DUAL

R-PDIP-T32

1

5.5 V

5.59 mm

15.24 mm

Not Qualified

1048576 bit

4.5 V

e0

.00001 Amp

42.05 mm

150 ns

AT27C010-45TI

Atmel

OTP ROM

INDUSTRIAL

32

TSOP1

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

35 mA

131072 words

COMMON

5

5

8

SMALL OUTLINE, THIN PROFILE

TSSOP32,.8,20

OTP ROMs

.5 mm

85 Cel

3-STATE

128KX8

128K

-40 Cel

TIN LEAD

DUAL

R-PDSO-G32

3

5.5 V

1.2 mm

8 mm

Not Qualified

1048576 bit

4.5 V

e0

240

.00001 Amp

18.4 mm

45 ns

AT27C256R-12JI

Atmel

OTP ROM

INDUSTRIAL

32

QCCJ

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

20 mA

32768 words

COMMON

5

5

8

CHIP CARRIER

LDCC32,.5X.6

OTP ROMs

1.27 mm

85 Cel

3-STATE

32KX8

32K

-40 Cel

TIN LEAD

QUAD

R-PQCC-J32

2

5.5 V

3.55 mm

11.43 mm

Not Qualified

262144 bit

4.5 V

e0

225

.0001 Amp

13.97 mm

120 ns

13

AT27C4096-55JI

Atmel

OTP ROM

INDUSTRIAL

44

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

40 mA

262144 words

COMMON

5

5

16

CHIP CARRIER

LDCC44,.7SQ

OTP ROMs

1.27 mm

85 Cel

3-STATE

256KX16

256K

-40 Cel

TIN LEAD

QUAD

S-PQCC-J44

2

5.5 V

4.572 mm

16.586 mm

Not Qualified

4194304 bit

4.5 V

e0

225

.0001 Amp

16.586 mm

55 ns

AT27C512R-12PI

Atmel

OTP ROM

INDUSTRIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

20 mA

65536 words

COMMON

5

5

8

IN-LINE

DIP28,.6

OTP ROMs

2.54 mm

85 Cel

3-STATE

64KX8

64K

-40 Cel

TIN LEAD

DUAL

R-PDIP-T28

5.5 V

5.59 mm

15.24 mm

Not Qualified

524288 bit

4.5 V

e0

.0001 Amp

36.95 mm

120 ns

AT27C512R-45TU

Atmel

OTP ROM

INDUSTRIAL

28

TSOP1

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

20 mA

65536 words

COMMON

5

5

8

SMALL OUTLINE, THIN PROFILE

TSSOP28,.53,22

OTP ROMs

.55 mm

85 Cel

3-STATE

64KX8

64K

-40 Cel

MATTE TIN

DUAL

R-PDSO-G28

3

5.5 V

1.2 mm

8 mm

Not Qualified

524288 bit

4.5 V

e3

260

.0001 Amp

11.8 mm

45 ns

CY27C256A-45PC

Rochester Electronics

OTP ROM

COMMERCIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

32768 words

5

8

IN-LINE

70 Cel

32KX8

32K

0 Cel

DUAL

R-PDIP-T28

5.5 V

Not Qualified

262144 bit

4.5 V

45 ns

CY7C261-35JC

Cypress Semiconductor

OTP ROM

COMMERCIAL

28

QCCJ

SQUARE

PLASTIC/EPOXY

YES

1

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

100 mA

8192 words

COMMON

5

5

8

CHIP CARRIER

LDCC28,.5SQ

OTP ROMs

1.27 mm

70 Cel

3-STATE

8KX8

8K

0 Cel

Tin/Lead (Sn/Pb)

QUAD

S-PQCC-J28

5.5 V

4.572 mm

11.5316 mm

Not Qualified

65536 bit

4.5 V

POWER SWITCHED PROM

e0

.03 Amp

11.5316 mm

35 ns

CY7C281A-45DMB

Defense Logistics Agency

OTP ROM

MILITARY

24

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

CMOS

38535Q/M;38534H;883B

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

120 mA

1024 words

5

5

8

IN-LINE

DIP24,.3

OTP ROMs

2.54 mm

125 Cel

3-STATE

1KX8

1K

-55 Cel

TIN LEAD

DUAL

R-GDIP-T24

5.5 V

5.08 mm

7.62 mm

Not Qualified

8192 bit

4.5 V

e0

.12 Amp

31.877 mm

45 ns

93438DC

Fairchild Semiconductor

OTP ROM

COMMERCIAL

24

DIP

RECTANGULAR

CERAMIC

NO

TTL

THROUGH-HOLE

512 words

8

IN-LINE

DIP24,.6

OTP ROMs

2.54 mm

70 Cel

512X8

512

0 Cel

TIN LEAD

DUAL

R-XDIP-T24

2A

Not Qualified

4096 bit

e0

AT27BV512-70TU

Microchip Technology

OTP ROM

INDUSTRIAL

28

TSOP1

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

20 mA

65536 words

COMMON

3

3/5

8

SMALL OUTLINE, THIN PROFILE

TSSOP28,.53,22

OTP ROMs

.55 mm

85 Cel

3-STATE

64KX8

64K

-40 Cel

MATTE TIN

DUAL

R-PDSO-G28

3

3.6 V

1.2 mm

8 mm

Not Qualified

524288 bit

2.7 V

ALSO OPERATES AT 5V SUPPLY

e3

260

.00002 Amp

11.8 mm

70 ns

AT27C010L-45TI

Atmel

OTP ROM

INDUSTRIAL

32

TSOP1

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

25 mA

131072 words

COMMON

5

5

8

SMALL OUTLINE, THIN PROFILE

TSSOP32,.8,20

OTP ROMs

.5 mm

85 Cel

3-STATE

128KX8

128K

-40 Cel

TIN LEAD

DUAL

R-PDSO-G32

3

5.5 V

1.2 mm

8 mm

Not Qualified

1048576 bit

4.5 V

e0

240

.00001 Amp

18.4 mm

45 ns

AT27C010L-70PC

Atmel

OTP ROM

COMMERCIAL

32

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

25 mA

131072 words

COMMON

5

5

8

IN-LINE

DIP32,.6

OTP ROMs

2.54 mm

70 Cel

3-STATE

128KX8

128K

0 Cel

TIN LEAD

DUAL

R-PDIP-T32

5.5 V

5.59 mm

15.24 mm

Not Qualified

1048576 bit

4.5 V

e0

.00001 Amp

42.05 mm

70 ns

AT27C040-15RC

Atmel

OTP ROM

COMMERCIAL

32

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

30 mA

524288 words

COMMON

5

5

8

SMALL OUTLINE

SOP32,.56

OTP ROMs

1.27 mm

70 Cel

3-STATE

512KX8

512K

0 Cel

TIN LEAD

DUAL

R-PDSO-G32

5.5 V

2.77 mm

11.2 mm

Not Qualified

4194304 bit

4.5 V

e0

.0001 Amp

20.75 mm

150 ns

AT27C080-10PC

Atmel

OTP ROM

COMMERCIAL

32

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

40 mA

1048576 words

COMMON

5

5

8

IN-LINE

DIP32,.6

OTP ROMs

2.54 mm

70 Cel

3-STATE

1MX8

1M

0 Cel

TIN LEAD

DUAL

R-PDIP-T32

1

5.5 V

5.59 mm

15.24 mm

Not Qualified

8388608 bit

4.5 V

e0

.0001 Amp

42.05 mm

100 ns

OTP ROM

OTP ROM, or One-Time Programmable Read-Only Memory, is a type of non-volatile computer memory that is programmed once and cannot be reprogrammed. OTP ROM is used to store data that needs to be permanently stored and cannot be changed or updated in the future.

OTP ROM is created using a process similar to that used to manufacture Mask ROM. However, instead of programming the memory during the manufacturing process, OTP ROM is programmed after the manufacturing process, but before it is delivered to the customer. This allows the customer to program the memory with the data that they need to store permanently.

OTP ROM is commonly used in devices such as microcontrollers, smart cards, and other electronic devices that require permanent storage of data. It is ideal for storing critical data, such as system settings, encryption keys, and other sensitive information that needs to be permanently stored and cannot be changed or updated in the future.