Memory Controllers

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Part RoHS Manufacturer Peripheral IC Type Temperature Grade Terminal Form No. of Terminals Package Code Package Shape Package Body Material Surface Mount Maximum Supply Voltage Screening Level Address Bus Width Power Supplies (V) Package Style (Meter) Package Equivalence Code Minimum Supply Voltage Maximum Operating Temperature Minimum Operating Temperature Terminal Finish Terminal Position Maximum Seated Height Width Additional Features Boundary Scan External Data Bus Width Maximum Clock Frequency Maximum Time At Peak Reflow Temperature (s) Peak Reflow Temperature (C) Length Technology Maximum Supply Current Nominal Supply Voltage Memory Organization No. of Banks Sub-Category Bus Compatibility Terminal Pitch JESD-30 Code Moisture Sensitivity Level (MSL) Qualification Low Power Mode JESD-609 Code

SN74LS602J4

Texas Instruments

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

5

IN-LINE

DIP20,.3

70 Cel

0 Cel

DUAL

TTL

85 mA

5 V

Memory Controllers

2.54 mm

R-XDIP-T20

SN74LS603ANP3

Texas Instruments

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

5

IN-LINE

DIP20,.3

70 Cel

0 Cel

DUAL

TTL

85 mA

5 V

Memory Controllers

2.54 mm

R-PDIP-T20

SNC54LS600J

Texas Instruments

MILITARY

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

MIL-STD-883 Class B (Modified)

5

IN-LINE

DIP20,.3

125 Cel

-55 Cel

DUAL

TTL

85 mA

5 V

Memory Controllers

2.54 mm

R-XDIP-T20

Not Qualified

TACT83442-20

Texas Instruments

COMMERCIAL

GULL WING

100

QFP

RECTANGULAR

PLASTIC/EPOXY

YES

5

FLATPACK

QFP100,.7X1.0

70 Cel

0 Cel

QUAD

CMOS

.1 mA

5 V

Memory Controllers

.635 mm

R-PQFP-G100

Not Qualified

SN74LS602ADW3

Texas Instruments

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

5

SMALL OUTLINE

SOP20,.4

70 Cel

0 Cel

DUAL

TTL

85 mA

5 V

Memory Controllers

1.27 mm

R-PDSO-G20

TMS4500AN

Texas Instruments

MEMORY CONTROLLER, DRAM

COMMERCIAL

THROUGH-HOLE

40

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

16

IN-LINE

70 Cel

0 Cel

DUAL

5.08 mm

15.24 mm

NO

0

52.455 mm

CMOS

2

2.54 mm

R-PDIP-T40

Not Qualified

NO

SN74ALS2967N

Texas Instruments

MEMORY CONTROLLER, DRAM

COMMERCIAL

THROUGH-HOLE

48

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

5.5 V

18

5

IN-LINE

DIP48,.6

4.5 V

70 Cel

0 Cel

DUAL

5.08 mm

15.24 mm

NO

0

NOT SPECIFIED

NOT SPECIFIED

61.47 mm

TTL

200 mA

5 V

1M X 16

4

Memory Controllers

2.54 mm

R-PDIP-T48

Not Qualified

NO

TMS4500A-15FN

Texas Instruments

MEMORY CONTROLLER, DRAM

COMMERCIAL

J BEND

44

QCCJ

SQUARE

PLASTIC/EPOXY

YES

5.5 V

16

5

CHIP CARRIER

LDCC44,.7SQ

4.5 V

70 Cel

0 Cel

QUAD

4.57 mm

16.5862 mm

NO

0

NOT SPECIFIED

NOT SPECIFIED

16.5862 mm

CMOS

140 mA

5 V

2

Memory Controllers

1.27 mm

S-PQCC-J44

Not Qualified

NO

SN74LS601AN1

Texas Instruments

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

5

IN-LINE

DIP20,.3

70 Cel

0 Cel

DUAL

TTL

85 mA

5 V

Memory Controllers

2.54 mm

R-PDIP-T20

Not Qualified

DP8421V-33

Texas Instruments

MEMORY CONTROLLER, DRAM

COMMERCIAL

J BEND

68

QCCJ

SQUARE

PLASTIC/EPOXY

YES

5.5 V

20

5

CHIP CARRIER

LDCC68,1.0SQ

4.5 V

70 Cel

0 Cel

TIN LEAD

QUAD

5.08 mm

24.2316 mm

NO

0

33.33 MHz

24.2316 mm

CMOS

150 mA

5 V

1M X 1

4

Memory Controllers

1.27 mm

S-PQCC-J68

Not Qualified

YES

e0

TMS4500A-20NL

Texas Instruments

MEMORY CONTROLLER, DRAM

COMMERCIAL

THROUGH-HOLE

40

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

5.5 V

16

5

IN-LINE

DIP40,.6

4.5 V

70 Cel

0 Cel

DUAL

5.08 mm

15.24 mm

NO

0

NOT SPECIFIED

NOT SPECIFIED

52.455 mm

CMOS

5 V

2

Memory Controllers

2.54 mm

R-PDIP-T40

Not Qualified

NO

SN74ALS6302N

Texas Instruments

MEMORY CONTROLLER, DRAM

COMMERCIAL

THROUGH-HOLE

52

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

5.5 V

20

5

IN-LINE

DIP52,.6

4.5 V

70 Cel

0 Cel

DUAL

5.08 mm

15.24 mm

NO

0

NOT SPECIFIED

NOT SPECIFIED

66.55 mm

BIPOLAR

220 mA

5 V

1M X 16

4

Memory Controllers

2.54 mm

R-PDIP-T52

Not Qualified

NO

TMS4500AFN

Texas Instruments

MEMORY CONTROLLER, DRAM

COMMERCIAL

J BEND

44

QCCJ

SQUARE

PLASTIC/EPOXY

YES

16

CHIP CARRIER

70 Cel

0 Cel

QUAD

4.57 mm

16.5862 mm

NO

0

16.5862 mm

CMOS

2

1.27 mm

S-PQCC-J44

Not Qualified

NO

SN74LS602AJ

Texas Instruments

MEMORY CONTROLLER, DRAM

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

5.25 V

7

5

IN-LINE

DIP20,.3

4.75 V

70 Cel

0 Cel

DUAL

5.08 mm

7.62 mm

NO

0

NOT SPECIFIED

NOT SPECIFIED

24.195 mm

TTL

85 mA

5 V

16K X 1

1

Memory Controllers

2.54 mm

R-GDIP-T20

Not Qualified

NO

SN74LS603AN

Texas Instruments

MEMORY CONTROLLER, DRAM

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

5.25 V

8

5

IN-LINE

DIP20,.3

4.75 V

70 Cel

0 Cel

DUAL

5.08 mm

7.62 mm

NO

0

NOT SPECIFIED

NOT SPECIFIED

24.325 mm

TTL

85 mA

5 V

2

Memory Controllers

2.54 mm

R-PDIP-T20

Not Qualified

NO

SNC54LS600AJ

Texas Instruments

MILITARY

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

MIL-STD-883 Class B (Modified)

5

IN-LINE

DIP20,.3

125 Cel

-55 Cel

DUAL

TTL

85 mA

5 V

Memory Controllers

2.54 mm

R-XDIP-T20

Not Qualified

SN74ALS2968N3

Texas Instruments

COMMERCIAL

THROUGH-HOLE

48

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

5

IN-LINE

DIP48,.6

70 Cel

0 Cel

DUAL

TTL

200 mA

5 V

Memory Controllers

2.54 mm

R-PDIP-T48

SNJ54ALS6302JD

Texas Instruments

MEMORY CONTROLLER, DRAM

MILITARY

THROUGH-HOLE

52

DIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

38535Q/M;38534H;883B

20

5

IN-LINE

DIP52,.6

125 Cel

-55 Cel

DUAL

NO

0

NOT SPECIFIED

NOT SPECIFIED

TTL

220 mA

5 V

4

Memory Controllers

2.54 mm

R-CDIP-T52

Not Qualified

NO

SNC54LS601J

Texas Instruments

MILITARY

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

MIL-STD-883 Class B (Modified)

5

IN-LINE

DIP20,.3

125 Cel

-55 Cel

DUAL

TTL

5 V

Memory Controllers

2.54 mm

R-XDIP-T20

Not Qualified

TIM99601N

Texas Instruments

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

5

IN-LINE

DIP20,.3

70 Cel

0 Cel

DUAL

TTL

85 mA

5 V

Memory Controllers

2.54 mm

R-PDIP-T20

Not Qualified

SNJ54LS603AJ

Texas Instruments

MILITARY

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

38535Q/M;38534H;883B

5

IN-LINE

DIP20,.3

125 Cel

-55 Cel

DUAL

TTL

85 mA

5 V

Memory Controllers

2.54 mm

R-XDIP-T20

Not Qualified

SN74LS602N

Texas Instruments

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

5

IN-LINE

DIP20,.3

70 Cel

0 Cel

DUAL

TTL

85 mA

5 V

Memory Controllers

2.54 mm

R-PDIP-T20

Not Qualified

SN74ALS2967JD

Texas Instruments

MEMORY CONTROLLER, DRAM

COMMERCIAL

THROUGH-HOLE

48

DIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

5.5 V

18

5

IN-LINE

DIP48,.6

4.5 V

70 Cel

0 Cel

DUAL

NO

0

NOT SPECIFIED

NOT SPECIFIED

TTL

200 mA

5 V

1M X 16

4

Memory Controllers

2.54 mm

R-CDIP-T48

Not Qualified

NO

TMS4500A-25NL

Texas Instruments

MEMORY CONTROLLER, DRAM

COMMERCIAL

THROUGH-HOLE

40

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

5.5 V

16

5

IN-LINE

DIP40,.6

4.5 V

70 Cel

0 Cel

DUAL

5.08 mm

15.24 mm

NO

0

NOT SPECIFIED

NOT SPECIFIED

52.455 mm

CMOS

5 V

2

Memory Controllers

2.54 mm

R-PDIP-T40

Not Qualified

NO

SN74ALS6301FN

Texas Instruments

MEMORY CONTROLLER, DRAM

COMMERCIAL

J BEND

68

QCCJ

SQUARE

PLASTIC/EPOXY

YES

5.5 V

20

5

CHIP CARRIER

LDCC68,1.0SQ

4.5 V

70 Cel

0 Cel

QUAD

4.57 mm

24.2316 mm

NO

0

NOT SPECIFIED

NOT SPECIFIED

24.2316 mm

BIPOLAR

220 mA

5 V

1M X 16

4

Memory Controllers

1.27 mm

S-PQCC-J68

Not Qualified

NO

SN74LS602AN1

Texas Instruments

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

5

IN-LINE

DIP20,.3

70 Cel

0 Cel

DUAL

TTL

85 mA

5 V

Memory Controllers

2.54 mm

R-PDIP-T20

Not Qualified

DP8420V-33

Texas Instruments

MEMORY CONTROLLER, DRAM

COMMERCIAL

J BEND

68

QCCJ

SQUARE

PLASTIC/EPOXY

YES

5.5 V

20

5

CHIP CARRIER

LDCC68,1.0SQ

4.5 V

70 Cel

0 Cel

TIN LEAD

QUAD

5.08 mm

24.2316 mm

NO

0

33.33 MHz

24.2316 mm

CMOS

150 mA

5 V

256K X 1

4

Memory Controllers

1.27 mm

S-PQCC-J68

Not Qualified

YES

e0

SN54LS600J

Texas Instruments

MILITARY

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

5

IN-LINE

DIP20,.3

125 Cel

-55 Cel

DUAL

TTL

5 V

Memory Controllers

2.54 mm

R-XDIP-T20

Not Qualified

TACT83442-33

Texas Instruments

COMMERCIAL

GULL WING

100

QFP

RECTANGULAR

PLASTIC/EPOXY

YES

5

FLATPACK

QFP100,.7X1.0

70 Cel

0 Cel

QUAD

CMOS

.1 mA

5 V

Memory Controllers

.635 mm

R-PQFP-G100

Not Qualified

DP8421AV-20

Texas Instruments

MEMORY CONTROLLER, DRAM

COMMERCIAL

J BEND

68

QCCJ

SQUARE

PLASTIC/EPOXY

YES

5.5 V

20

5

CHIP CARRIER

LDCC68,1.0SQ

4.5 V

70 Cel

0 Cel

TIN LEAD

QUAD

5.08 mm

24.2316 mm

NO

0

20 MHz

24.2316 mm

CMOS

75 mA

5 V

1M X 1

4

Memory Controllers

1.27 mm

S-PQCC-J68

Not Qualified

YES

e0

SN74LS602ANP3

Texas Instruments

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

5

IN-LINE

DIP20,.3

70 Cel

0 Cel

DUAL

TTL

85 mA

5 V

Memory Controllers

2.54 mm

R-PDIP-T20

SN74LS602ADWR

Texas Instruments

MEMORY CONTROLLER, DRAM

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

5.25 V

7

SMALL OUTLINE

4.75 V

70 Cel

0 Cel

DUAL

2.65 mm

7.5 mm

NO

0

12.8 mm

TTL

5 V

16K X 1

1

1.27 mm

R-PDSO-G20

Not Qualified

NO

SNC54LS603AJ

Texas Instruments

MILITARY

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

MIL-STD-883 Class B (Modified)

5

IN-LINE

DIP20,.3

125 Cel

-55 Cel

DUAL

TTL

85 mA

5 V

Memory Controllers

2.54 mm

R-XDIP-T20

Not Qualified

THCT4502BN

Texas Instruments

MEMORY CONTROLLER, DRAM

COMMERCIAL

THROUGH-HOLE

48

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

5.5 V

18

5

IN-LINE

DIP48,.6

4.5 V

70 Cel

0 Cel

DUAL

5.08 mm

15.24 mm

NO

0

NOT SPECIFIED

NOT SPECIFIED

61.47 mm

CMOS

15 mA

5 V

4

Memory Controllers

2.54 mm

R-PDIP-T48

Not Qualified

NO

SNJ54LS601AJ

Texas Instruments

MILITARY

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

38535Q/M;38534H;883B

5

IN-LINE

DIP20,.3

125 Cel

-55 Cel

DUAL

TTL

5 V

Memory Controllers

2.54 mm

R-XDIP-T20

Not Qualified

THCT4502JD

Texas Instruments

COMMERCIAL

THROUGH-HOLE

48

DIP

RECTANGULAR

CERAMIC

NO

5

IN-LINE

DIP48,.6

70 Cel

0 Cel

DUAL

CMOS

15 mA

5 V

Memory Controllers

2.54 mm

R-XDIP-T48

Not Qualified

SN74LS600AJ4

Texas Instruments

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

5

IN-LINE

DIP20,.3

70 Cel

0 Cel

DUAL

TTL

85 mA

5 V

Memory Controllers

2.54 mm

R-XDIP-T20

SN74LS602ADW

Texas Instruments

MEMORY CONTROLLER, DRAM

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

5.25 V

7

5

SMALL OUTLINE

SOP20,.4

4.75 V

70 Cel

0 Cel

DUAL

2.65 mm

7.5 mm

NO

0

NOT SPECIFIED

NOT SPECIFIED

12.8 mm

TTL

85 mA

5 V

16K X 1

1

Memory Controllers

1.27 mm

R-PDSO-G20

Not Qualified

NO

SN74LS600AN

Texas Instruments

MEMORY CONTROLLER, DRAM

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

5.25 V

8

5

IN-LINE

DIP20,.3

4.75 V

70 Cel

0 Cel

DUAL

5.08 mm

7.62 mm

NO

0

NOT SPECIFIED

NOT SPECIFIED

24.325 mm

TTL

85 mA

5 V

2

Memory Controllers

2.54 mm

R-PDIP-T20

Not Qualified

NO

SNJ54ALS2968JD

Texas Instruments

MEMORY CONTROLLER, DRAM

MILITARY

THROUGH-HOLE

48

DIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

5.5 V

38535Q/M;38534H;883B

18

5

IN-LINE

DIP48,.6

4.5 V

125 Cel

-55 Cel

DUAL

NO

0

NOT SPECIFIED

NOT SPECIFIED

TTL

200 mA

5 V

1M X 16

4

Memory Controllers

2.54 mm

R-CDIP-T48

Not Qualified

NO

SN74ACT4503FN

Texas Instruments

MEMORY CONTROLLER, DRAM

COMMERCIAL

J BEND

68

QCCJ

SQUARE

PLASTIC/EPOXY

YES

20

5

CHIP CARRIER

LDCC68,1.0SQ

70 Cel

0 Cel

QUAD

4.57 mm

24.2316 mm

NO

0

NOT SPECIFIED

NOT SPECIFIED

24.2316 mm

CMOS

50 mA

5 V

4

Memory Controllers

1.27 mm

S-PQCC-J68

Not Qualified

NO

THCT4502AN

Texas Instruments

COMMERCIAL

THROUGH-HOLE

48

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

5

IN-LINE

DIP48,.6

70 Cel

0 Cel

DUAL

CMOS

5 V

Memory Controllers

2.54 mm

R-PDIP-T48

Not Qualified

TIM99603J

Texas Instruments

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

5

IN-LINE

DIP20,.3

70 Cel

0 Cel

DUAL

TTL

85 mA

5 V

Memory Controllers

2.54 mm

R-XDIP-T20

Not Qualified

SNJ54LS600AJ

Texas Instruments

MILITARY

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

38535Q/M;38534H;883B

5

IN-LINE

DIP20,.3

125 Cel

-55 Cel

DUAL

TTL

85 mA

5 V

Memory Controllers

2.54 mm

R-XDIP-T20

Not Qualified

SN74LS603AJ4

Texas Instruments

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

5

IN-LINE

DIP20,.3

70 Cel

0 Cel

DUAL

TTL

85 mA

5 V

Memory Controllers

2.54 mm

R-XDIP-T20

SN74LS601AJ4

Texas Instruments

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

5

IN-LINE

DIP20,.3

70 Cel

0 Cel

DUAL

TTL

85 mA

5 V

Memory Controllers

2.54 mm

R-XDIP-T20

SNJ54LS601J

Texas Instruments

MILITARY

THROUGH-HOLE

20

DIP

RECTANGULAR

CERAMIC

NO

38535Q/M;38534H;883B

5

IN-LINE

DIP20,.3

125 Cel

-55 Cel

DUAL

TTL

5 V

Memory Controllers

2.54 mm

R-XDIP-T20

Not Qualified

SN74ALS6302N3

Texas Instruments

COMMERCIAL

THROUGH-HOLE

52

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

5

IN-LINE

DIP52,.6

70 Cel

0 Cel

DUAL

TTL

220 mA

5 V

Memory Controllers

2.54 mm

R-PDIP-T52

Memory Controllers

Memory controllers are specialized electronic circuits that manage the flow of data between a CPU and memory modules. These circuits are typically found on motherboards or embedded systems and are responsible for controlling the timing and data transfer rates between the CPU and memory modules.

Memory controllers are designed to work with specific types of memory modules, such as dynamic random access memory (DRAM), synchronous dynamic random access memory (SDRAM), or double data rate (DDR) memory. They are responsible for configuring the memory modules and managing the transfer of data between the CPU and memory.

Memory controllers use a variety of techniques to optimize the performance of memory access, including prefetching, pipelining, and cache management. Prefetching involves retrieving data from memory before it is requested by the CPU, while pipelining involves overlapping memory operations to reduce the latency of memory access. Cache management involves using on-chip cache memory to store frequently accessed data, reducing the need to access main memory.

Memory controllers are essential components of modern computer systems, as they play a critical role in determining the overall performance of the system. They are responsible for managing the flow of data between the CPU and memory modules, optimizing memory access, and ensuring the reliability and stability of the system.