28 SRAM 2,400+

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Part RoHS Manufacturer Memory IC Type Temperature Grade No. of Terminals Package Code Refresh Cycles 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 Self Refresh Input/Output Type Nominal Supply Voltage / Vsup (V) Power Supplies (V) Memory Width Package Style (Meter) Package Equivalence Code Alternate Memory Width Sub-Category Terminal Pitch Maximum Operating Temperature Reverse Pinout Output Characteristics Organization No. of Words Code Minimum Standby Voltage Minimum Operating Temperature Terminal Finish Terminal Position No. of Ports JESD-30 Code Moisture Sensitivity Level (MSL) Maximum Supply Voltage (Vsup) Maximum Seated Height 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) Output Enable Maximum Standby Current Length Maximum Access Time

71256L25YG8

Renesas Electronics

STANDARD SRAM

COMMERCIAL

28

SOJ

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

125 mA

32768 words

COMMON

5

8

SMALL OUTLINE

SOJ28,.34

1.27 mm

70 Cel

32KX8

32K

4.5 V

0 Cel

MATTE TIN

DUAL

R-PDSO-J28

3

5.5 V

3.556 mm

7.5184 mm

262144 bit

4.5 V

e3

260

YES

.0006 Amp

17.9324 mm

25 ns

71256L25YGI8

Renesas Electronics

STANDARD SRAM

INDUSTRIAL

28

SOJ

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

125 mA

32768 words

COMMON

5

8

SMALL OUTLINE

SOJ28,.34

1.27 mm

85 Cel

32KX8

32K

4.5 V

-40 Cel

MATTE TIN

DUAL

R-PDSO-J28

3

5.5 V

3.556 mm

7.5184 mm

262144 bit

4.5 V

e3

260

YES

.0006 Amp

17.9324 mm

25 ns

71256L35YG8

Renesas Electronics

STANDARD SRAM

COMMERCIAL

28

SOJ

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

115 mA

32768 words

COMMON

5

8

SMALL OUTLINE

SOJ28,.34

1.27 mm

70 Cel

32KX8

32K

4.5 V

0 Cel

MATTE TIN

DUAL

R-PDSO-J28

3

5.5 V

3.556 mm

7.5184 mm

262144 bit

4.5 V

e3

260

YES

.0006 Amp

17.9324 mm

35 ns

7164L20TPGI

Renesas Electronics

STANDARD SRAM

INDUSTRIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

100 mA

8192 words

5

8

IN-LINE

2.54 mm

85 Cel

8KX8

8K

-40 Cel

MATTE TIN

DUAL

R-PDIP-T28

5.5 V

4.572 mm

7.62 mm

65536 bit

4.5 V

e3

34.671 mm

19 ns

7164S20YG8

Renesas Electronics

STANDARD SRAM

COMMERCIAL

28

SOJ

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

170 mA

8192 words

COMMON

5

5

8

SMALL OUTLINE

SOJ28,.34

SRAMs

1.27 mm

70 Cel

3-STATE

8KX8

8K

4.5 V

0 Cel

MATTE TIN

DUAL

R-PDSO-J28

3

5.5 V

3.556 mm

7.5184 mm

Not Qualified

65536 bit

4.5 V

e3

40

260

.015 Amp

17.9324 mm

19 ns

7164S25YG8

Renesas Electronics

STANDARD SRAM

COMMERCIAL

28

SOJ

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

8192 words

5

8

SMALL OUTLINE

1.27 mm

70 Cel

8KX8

8K

0 Cel

MATTE TIN

DUAL

R-PDSO-J28

3

5.5 V

3.556 mm

7.5184 mm

Not Qualified

65536 bit

4.5 V

e3

40

260

17.9324 mm

25 ns

7164S25YGI

Renesas Electronics

STANDARD SRAM

INDUSTRIAL

28

SOJ

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

170 mA

8192 words

COMMON

5

5

8

SMALL OUTLINE

SOJ28,.34

SRAMs

1.27 mm

85 Cel

3-STATE

8KX8

8K

4.5 V

-40 Cel

MATTE TIN

DUAL

R-PDSO-J28

3

5.5 V

3.556 mm

7.5184 mm

Not Qualified

65536 bit

4.5 V

e3

40

260

.015 Amp

17.9324 mm

25 ns

71V256SA12YGI

Renesas Electronics

CACHE SRAM

INDUSTRIAL

28

SOJ

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

90 mA

32768 words

COMMON

3.3

3.3

8

SMALL OUTLINE

SOJ28,.34

SRAMs

1.27 mm

85 Cel

3-STATE

32KX8

32K

3 V

-40 Cel

Matte Tin (Sn)

DUAL

R-PDSO-J28

3

3.6 V

Not Qualified

262144 bit

3 V

e3

NOT SPECIFIED

260

.002 Amp

12 ns

71V256SA15PZG8

Renesas Electronics

CACHE SRAM

COMMERCIAL

28

TSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

85 mA

32768 words

COMMON

3.3

3.3

8

SMALL OUTLINE, THIN PROFILE

TSSOP28,.53,22

SRAMs

.55 mm

70 Cel

3-STATE

32KX8

32K

3 V

0 Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G28

3

3.6 V

1.2 mm

8 mm

Not Qualified

262144 bit

3 V

e3

40

260

.002 Amp

11.8 mm

15 ns

71V256SA15YGI

Renesas Electronics

CACHE SRAM

INDUSTRIAL

28

SOJ

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

85 mA

32768 words

COMMON

3.3

3.3

8

SMALL OUTLINE

SOJ28,.34

SRAMs

1.27 mm

85 Cel

3-STATE

32KX8

32K

3 V

-40 Cel

Matte Tin (Sn)

DUAL

R-PDSO-J28

3

3.6 V

Not Qualified

262144 bit

3 V

e3

NOT SPECIFIED

260

.002 Amp

15 ns

BS62LV256SC70

Brilliance Semiconductor

STANDARD SRAM

COMMERCIAL

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

35 mA

32768 words

COMMON

3/5

8

SMALL OUTLINE

SOP28,.45

SRAMs

1.27 mm

70 Cel

3-STATE

32KX8

32K

1.5 V

0 Cel

TIN LEAD

DUAL

R-PDSO-G28

3

Not Qualified

262144 bit

e0

240

.0000002 Amp

70 ns

CY7C199D-10VXI

Infineon Technologies

STANDARD SRAM

28

SOJ

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

80 mA

32768 words

COMMON

5

8

SMALL OUTLINE

SOJ28,.34

1.27 mm

85 Cel

3-STATE

32KX8

32K

2 V

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-J28

3

5.5 V

3.556 mm

7.5057 mm

262144 bit

4.5 V

e4

30

260

YES

.003 Amp

17.907 mm

10 ns

CY7C199D-10ZXI

Infineon Technologies

STANDARD SRAM

28

TSOP1

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

80 mA

32768 words

COMMON

5

8

SMALL OUTLINE, THIN PROFILE

TSSOP28,.53,22

.55 mm

85 Cel

3-STATE

32KX8

32K

2 V

-40 Cel

DUAL

R-PDSO-G28

5.5 V

1.2 mm

8 mm

262144 bit

4.5 V

YES

.003 Amp

11.8 mm

10 ns

DS1225AD-200

Maxim Integrated

NON-VOLATILE SRAM MODULE

COMMERCIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

PIN/PEG

PARALLEL

ASYNCHRONOUS

75 mA

8192 words

5

5

8

MICROELECTRONIC ASSEMBLY

DIP28,.6

SRAMs

2.54 mm

70 Cel

8KX8

8K

0 Cel

TIN LEAD

DUAL

R-PDMA-P28

5.5 V

10.54 mm

15.24 mm

Not Qualified

65536 bit

4.5 V

10 YEAR DATA RETENTION

e0

.005 Amp

38.865 mm

200 ns

DS1225AD-200+

Analog Devices

NON-VOLATILE SRAM MODULE

COMMERCIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

PIN/PEG

PARALLEL

ASYNCHRONOUS

75 mA

8192 words

5

5

8

MICROELECTRONIC ASSEMBLY

DIP28,.6

SRAMs

2.54 mm

70 Cel

8KX8

8K

0 Cel

Matte Tin (Sn) - annealed

DUAL

R-PDMA-P28

5.5 V

Not Qualified

65536 bit

4.5 V

10 YEAR DATA RETENTION

e3

.01 Amp

200 ns

HM62256BLSP-12

Renesas Technology

STANDARD SRAM

COMMERCIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

45 mA

32768 words

COMMON

5

5

8

IN-LINE

DIP28,.3

SRAMs

2.54 mm

70 Cel

3-STATE

32KX8

32K

4.5 V

0 Cel

DUAL

R-PDIP-T28

5.5 V

Not Qualified

262144 bit

4.5 V

.0001 Amp

120 ns

HM62256LP-8

Renesas Technology

STANDARD SRAM

COMMERCIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

32768 words

5

8

IN-LINE

2.54 mm

70 Cel

32KX8

32K

0 Cel

DUAL

R-PDIP-T28

5.5 V

5.7 mm

15.24 mm

Not Qualified

262144 bit

4.5 V

35.6 mm

85 ns

HM62256LP8

Advanced Electronic Packaging

STANDARD SRAM

COMMERCIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

70 mA

32768 words

COMMON

5

5

8

IN-LINE

DIP28,.6

SRAMs

2.54 mm

70 Cel

3-STATE

32KX8

32K

2 V

0 Cel

Tin/Lead (Sn/Pb)

DUAL

1

R-PDIP-T28

5.5 V

5.7 mm

15.24 mm

Not Qualified

262144 bit

4.5 V

e0

YES

.00005 Amp

35.6 mm

85 ns

HY62WT08081E-DG70C

Sk Hynix

STANDARD SRAM

COMMERCIAL

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

30 mA

32768 words

COMMON

3

8

SMALL OUTLINE

SOP28,.47

1.27 mm

70 Cel

NO

3-STATE

32KX8

32K

2 V

0 Cel

DUAL

1, (NON-MUXED)

R-PDSO-G28

3.6 V

2.794 mm

8.69 mm

Not Qualified

262144 bit

2.7 V

IT ALSO OPERATES FROM 4.5 TO 5.5V

YES

.000005 Amp

18.39 mm

70 ns

IDT71256L20YGI

Renesas Electronics

STANDARD SRAM

INDUSTRIAL

28

SOJ

RECTANGULAR

PLASTIC/EPOXY

YES

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

135 mA

32768 words

COMMON

5

5

8

SMALL OUTLINE

SOJ28,.34

SRAMs

1.27 mm

85 Cel

3-STATE

32KX8

32K

2 V

-40 Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-J28

3

Not Qualified

262144 bit

e3

40

260

.00012 Amp

20 ns

IDT71256L35YGI

Renesas Electronics

STANDARD SRAM

INDUSTRIAL

28

SOJ

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

115 mA

32768 words

COMMON

5

5

8

SMALL OUTLINE

SOJ28,.34

SRAMs

1.27 mm

85 Cel

3-STATE

32KX8

32K

2 V

-40 Cel

MATTE TIN

DUAL

R-PDSO-J28

3

5.5 V

3.556 mm

7.5184 mm

Not Qualified

262144 bit

4.5 V

e3

40

260

.00012 Amp

17.9324 mm

35 ns

IDT71256L35YI8

Integrated Device Technology

STANDARD SRAM

INDUSTRIAL

28

SOJ

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

105 mA

32768 words

COMMON

5

5

8

SMALL OUTLINE

SOJ28,.34

SRAMs

1.27 mm

85 Cel

3-STATE

32KX8

32K

2 V

-40 Cel

Tin/Lead (Sn85Pb15)

DUAL

R-PDSO-J28

3

5.5 V

3.556 mm

7.5184 mm

Not Qualified

262144 bit

4.5 V

e0

30

225

.0002 Amp

17.9324 mm

35 ns

IDT71256SA15TPG

Renesas Electronics

STANDARD SRAM

COMMERCIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

150 mA

32768 words

COMMON

5

5

8

IN-LINE

DIP28,.3

SRAMs

2.54 mm

70 Cel

3-STATE

32KX8

32K

4.5 V

0 Cel

MATTE TIN

DUAL

R-PDIP-T28

5.5 V

4.572 mm

7.62 mm

Not Qualified

262144 bit

4.5 V

e3

.015 Amp

34.671 mm

15 ns

IDT71256SA20YG

Renesas Electronics

STANDARD SRAM

COMMERCIAL

28

SOJ

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

145 mA

32768 words

COMMON

5

5

8

SMALL OUTLINE

SOJ28,.34

SRAMs

1.27 mm

70 Cel

3-STATE

32KX8

32K

4.5 V

0 Cel

MATTE TIN

DUAL

R-PDSO-J28

3

5.5 V

3.556 mm

7.5184 mm

Not Qualified

262144 bit

4.5 V

e3

40

260

.015 Amp

17.9324 mm

20 ns

IDT7164S25YG8

Renesas Electronics

STANDARD SRAM

INDUSTRIAL

28

SOJ

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

90 mA

8192 words

COMMON

5

5

8

SMALL OUTLINE

SOJ28,.34

SRAMs

1.27 mm

85 Cel

3-STATE

8KX8

8K

4.5 V

-40 Cel

MATTE TIN

DUAL

R-PDSO-J28

3

5.5 V

3.556 mm

7.5184 mm

Not Qualified

65536 bit

4.5 V

e3

40

260

.015 Amp

17.9324 mm

25 ns

IDT71V256SA10YG8

Integrated Device Technology

CACHE SRAM

COMMERCIAL

28

SOJ

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

100 mA

32768 words

COMMON

3.3

3.3

8

SMALL OUTLINE

SOJ28,.34

SRAMs

1.27 mm

70 Cel

3-STATE

32KX8

32K

3 V

0 Cel

MATTE TIN

DUAL

1

R-PDSO-J28

3

3.6 V

3.556 mm

7.5184 mm

Not Qualified

262144 bit

3 V

e3

40

260

YES

.002 Amp

17.9324 mm

10 ns

IDT71V256SA12PZGI8

Renesas Electronics

CACHE SRAM

INDUSTRIAL

28

TSOP1

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

90 mA

32768 words

COMMON

3.3

3.3

8

SMALL OUTLINE, THIN PROFILE

TSSOP28,.53,22

SRAMs

.55 mm

85 Cel

3-STATE

32KX8

32K

3 V

-40 Cel

MATTE TIN

DUAL

R-PDSO-G28

3

3.6 V

1.2 mm

8 mm

Not Qualified

262144 bit

3 V

e3

40

260

.002 Amp

11.8 mm

12 ns

IDT71V256SA12YGI

Renesas Electronics

CACHE SRAM

INDUSTRIAL

28

SOJ

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

32768 words

3.3

8

SMALL OUTLINE

1.27 mm

85 Cel

32KX8

32K

-40 Cel

MATTE TIN

DUAL

R-PDSO-J28

3.6 V

3.556 mm

7.5184 mm

Not Qualified

262144 bit

3 V

e3

17.9324 mm

12 ns

IDT71V256SA12YGI8

Renesas Electronics

CACHE SRAM

INDUSTRIAL

28

SOJ

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

90 mA

32768 words

COMMON

3.3

3.3

8

SMALL OUTLINE

SOJ28,.34

SRAMs

1.27 mm

85 Cel

3-STATE

32KX8

32K

3 V

-40 Cel

MATTE TIN

DUAL

R-PDSO-J28

3

3.6 V

3.556 mm

7.5184 mm

Not Qualified

262144 bit

3 V

e3

40

260

.002 Amp

17.9324 mm

12 ns

IDT71V256SA15YG8

Renesas Electronics

CACHE SRAM

COMMERCIAL

28

SOJ

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

85 mA

32768 words

COMMON

3.3

3.3

8

SMALL OUTLINE

SOJ28,.34

SRAMs

1.27 mm

70 Cel

3-STATE

32KX8

32K

3 V

0 Cel

MATTE TIN

DUAL

1

R-PDSO-J28

3

3.6 V

3.556 mm

7.5184 mm

Not Qualified

262144 bit

3 V

e3

40

260

YES

.002 Amp

17.9324 mm

15 ns

IDT71V256SA15YGI8

Renesas Electronics

CACHE SRAM

INDUSTRIAL

28

SOJ

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

85 mA

32768 words

COMMON

3.3

3.3

8

SMALL OUTLINE

SOJ28,.34

SRAMs

1.27 mm

85 Cel

3-STATE

32KX8

32K

3 V

-40 Cel

MATTE TIN

DUAL

1

R-PDSO-J28

3

3.6 V

3.556 mm

7.5184 mm

Not Qualified

262144 bit

3 V

e3

40

260

YES

.002 Amp

17.9324 mm

15 ns

IS62LV256AL-45ULI

Integrated Silicon Solution

STANDARD SRAM

INDUSTRIAL

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

12 mA

32768 words

COMMON

3.3

3.3

8

SMALL OUTLINE

SOP28,.45

SRAMs

1.27 mm

85 Cel

3-STATE

32KX8

32K

2 V

-40 Cel

MATTE TIN

DUAL

R-PDSO-G28

3.63 V

2.84 mm

8.405 mm

Not Qualified

262144 bit

2.97 V

e3

10

260

.00002 Amp

18.11 mm

45 ns

MB8464A-10LPSK

Fujitsu Semiconductor America

STANDARD SRAM

COMMERCIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

8192 words

5

8

IN-LINE

2.54 mm

70 Cel

8KX8

8K

2 V

0 Cel

DUAL

1

R-PDIP-T28

5.5 V

5.25 mm

7.62 mm

Not Qualified

65536 bit

4.5 V

YES

35.36 mm

100 ns

MB8464A-10LP-SK

Fujitsu

STANDARD SRAM

COMMERCIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

60 mA

8192 words

COMMON

5

5

8

IN-LINE

DIP28,.3

SRAMs

2.54 mm

70 Cel

3-STATE

8KX8

8K

2 V

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDIP-T28

Not Qualified

65536 bit

e0

.000025 Amp

100 ns

R1LP5256ESP-5SI#B1

Renesas Electronics

STANDARD SRAM

INDUSTRIAL

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

32768 words

5

8

SMALL OUTLINE

85 Cel

32KX8

32K

-40 Cel

DUAL

R-PDSO-G28

3

5.5 V

262144 bit

4.5 V

55 ns

STK12C68-5C55M

Cypress Semiconductor

NON-VOLATILE SRAM

MILITARY

28

DIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

NO

1

CMOS

38535Q/M;38534H;883B

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

75 mA

8192 words

5

5

8

IN-LINE

DIP28,.3

SRAMs

2.54 mm

125 Cel

8KX8

8K

-55 Cel

DUAL

R-CDIP-T28

1

5.5 V

4.14 mm

7.62 mm

Not Qualified

65536 bit

4.5 V

RETENTION/ENDURANCE = 10 YEARS/100000 CYCLES

.004 Amp

35.56 mm

35 ns

BS62LV256TIP55

Brilliance Semiconductor

STANDARD SRAM

INDUSTRIAL

28

TSOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

32768 words

5

8

SMALL OUTLINE, THIN PROFILE

.55 mm

85 Cel

32KX8

32K

-40 Cel

DUAL

R-PDSO-G28

5.5 V

1.2 mm

8 mm

Not Qualified

262144 bit

4.5 V

NOT SPECIFIED

NOT SPECIFIED

11.8 mm

55 ns

IDT71V256SA15PZG

Renesas Electronics

CACHE SRAM

COMMERCIAL

28

TSOP1

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

85 mA

32768 words

COMMON

3.3

3.3

8

SMALL OUTLINE, THIN PROFILE

TSSOP28,.53,22

SRAMs

.55 mm

70 Cel

3-STATE

32KX8

32K

3 V

0 Cel

MATTE TIN

DUAL

1

R-PDSO-G28

3

3.6 V

1.2 mm

8 mm

Not Qualified

262144 bit

3 V

e3

YES

.002 Amp

11.8 mm

15 ns

IDT71256SA20Y

Integrated Device Technology

STANDARD SRAM

COMMERCIAL

28

SOJ

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

145 mA

32768 words

COMMON

5

5

8

SMALL OUTLINE

SOJ28,.34

SRAMs

1.27 mm

70 Cel

3-STATE

32KX8

32K

4.5 V

0 Cel

TIN LEAD

DUAL

1

R-PDSO-J28

3

5.5 V

3.556 mm

7.5184 mm

Not Qualified

262144 bit

4.5 V

e0

30

225

YES

.015 Amp

17.9324 mm

20 ns

M48Z18-100PC1

STMicroelectronics

NON-VOLATILE SRAM MODULE

COMMERCIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

80 mA

8192 words

5

5

8

IN-LINE

SRAMs

2.54 mm

70 Cel

3-STATE

8KX8

8K

0 Cel

MATTE TIN

DUAL

1

R-PDIP-T28

5.5 V

9.65 mm

15.24 mm

Not Qualified

65536 bit

4.5 V

BATTERY BACK-UP; POWER SUPPLY WRITE PROTECTION

e3

YES

.003 Amp

39.625 mm

100 ns

DS1225Y

Maxim Integrated

NON-VOLATILE SRAM MODULE

COMMERCIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

CMOS

THROUGH-HOLE

PARALLEL

ASYNCHRONOUS

8192 words

5

8

IN-LINE

2.54 mm

70 Cel

8KX8

8K

0 Cel

TIN LEAD

DUAL

R-PDIP-T28

5.5 V

9.398 mm

15.24 mm

Not Qualified

65536 bit

4.5 V

BATTERY BACK-UP

e0

38.862 mm

200 ns

KM62256DLG-7

Samsung

STANDARD SRAM

COMMERCIAL

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

60 mA

32768 words

COMMON

5

5

8

SMALL OUTLINE

SOP28,.5

SRAMs

1.27 mm

70 Cel

3-STATE

32KX8

32K

2 V

0 Cel

TIN LEAD

DUAL

R-PDSO-G28

5.5 V

3 mm

8.38 mm

Not Qualified

262144 bit

4.5 V

e0

.000015 Amp

18.29 mm

70 ns

KM62256ALG-10

Samsung

STANDARD SRAM

COMMERCIAL

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

70 mA

32768 words

COMMON

5

5

8

SMALL OUTLINE

SOP28,.5

SRAMs

1.27 mm

70 Cel

3-STATE

32KX8

32K

2 V

0 Cel

TIN LEAD

DUAL

1

R-PDSO-G28

5.5 V

3 mm

8.38 mm

Not Qualified

262144 bit

4.5 V

BATTERY BACKUP

e0

YES

.00005 Amp

18.29 mm

100 ns

STK12C68-SF45I

Infineon Technologies

NON-VOLATILE SRAM

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

65 mA

8192 words

COMMON

5

8

SMALL OUTLINE

SOP28,.5

1.27 mm

85 Cel

3-STATE

8KX8

8K

4.5 V

-40 Cel

DUAL

1

R-PDSO-G28

5.5 V

2.794 mm

8.6865 mm

65536 bit

4.5 V

YES

.0025 Amp

18.3895 mm

45 ns

CY62256LL-70SNXC

Cypress Semiconductor

STANDARD SRAM

COMMERCIAL

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

50 mA

32768 words

COMMON

5

5

8

SMALL OUTLINE

SOP28,.5

SRAMs

1.27 mm

70 Cel

3-STATE

32KX8

32K

2 V

0 Cel

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

DUAL

R-PDSO-G28

3

5.5 V

2.794 mm

7.5057 mm

Not Qualified

262144 bit

4.5 V

e4

20

260

17.9324 mm

70 ns

CY7C199-15VC

Rochester Electronics

STANDARD SRAM

COMMERCIAL

28

SOJ

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

J BEND

PARALLEL

ASYNCHRONOUS

32768 words

5

8

SMALL OUTLINE

1.27 mm

70 Cel

32KX8

32K

0 Cel

TIN LEAD

DUAL

R-PDSO-J28

5.5 V

3.556 mm

7.5 mm

Not Qualified

262144 bit

4.5 V

AUTOMATIC POWER-DOWN

e0

17.907 mm

15 ns

CY6264-55SNXI

Cypress Semiconductor

STANDARD SRAM

INDUSTRIAL

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

CMOS

GULL WING

PARALLEL

ASYNCHRONOUS

260 mA

8192 words

COMMON

5

5

8

SMALL OUTLINE

SOP28,.45

SRAMs

1.27 mm

85 Cel

3-STATE

8KX8

8K

4.5 V

-40 Cel

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

DUAL

R-PDSO-G28

3

5.5 V

2.794 mm

7.5057 mm

Not Qualified

65536 bit

4.5 V

e4

20

260

.03 Amp

17.9324 mm

55 ns

STK12C68-5L35M

Cypress Semiconductor

NON-VOLATILE SRAM

MILITARY

28

QCCN

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

YES

1

CMOS

38535Q/M;38534H;883B

NO LEAD

PARALLEL

ASYNCHRONOUS

85 mA

8192 words

5

5

8

CHIP CARRIER

LCC28(UNSPEC)

SRAMs

1.27 mm

125 Cel

8KX8

8K

-55 Cel

QUAD

R-CQCC-N28

1

5.5 V

2.29 mm

8.89 mm

Not Qualified

65536 bit

4.5 V

RETENTION/ENDURANCE = 10 YEARS/100000 CYCLES

.004 Amp

13.97 mm

35 ns

SRAM

SRAM, or Static Random-Access Memory, is a type of volatile computer memory that stores data as a flip-flop, which retains the data as long as power is supplied to the system. SRAM is commonly used as cache memory and in other applications where high-speed access to data is required.

SRAM is a type of memory that is faster and more expensive than DRAM (Dynamic Random-Access Memory). It is commonly used as cache memory in computer systems and other digital devices to improve the speed of data access. SRAM is also used in applications where high-speed data processing is required, such as in networking equipment, video games, and other high-performance computing applications.

One of the advantages of using SRAM is that it provides faster access to data than other types of memory, such as DRAM. This is because SRAM does not need to be refreshed like DRAM, which makes it faster and more reliable. Additionally, SRAM uses less power than other types of memory, which makes it ideal for use in battery-powered devices.

One of the disadvantages of using SRAM is that it is more expensive and less dense than other types of memory, such as DRAM or flash memory. This means that it is not suitable for applications that require large amounts of memory at a low cost. Additionally, SRAM is volatile, which means that it cannot store data permanently.