DIP DRAM 1,315

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Part RoHS Manufacturer Memory IC Type Temperature Grade No. of Terminals Package Code Refresh Cycles Package Shape Package Body Material Access Mode 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 Sequential Burst Length Self Refresh Input/Output Type Nominal Supply Voltage / Vsup (V) Mixed Memory Type 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) Maximum Standby Current Interleaved Burst Length Length Maximum Access Time

TMS4050NL

Texas Instruments

COMMERCIAL

18

DIP

64

RECTANGULAR

PLASTIC/EPOXY

NO

MOS

THROUGH-HOLE

60 mA

4096 words

COMMON

1

IN-LINE

DIP18,.3

Other Memory ICs

2.54 mm

70 Cel

OPEN-DRAIN

4KX1

4K

0 Cel

DUAL

R-PDIP-T18

Not Qualified

4096 bit

NOT SPECIFIED

NOT SPECIFIED

300 ns

SMJ44C256-12JDL

Texas Instruments

FAST PAGE DRAM

COMMERCIAL

20

DIP

512

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

FAST PAGE

NO

1

CMOS

THROUGH-HOLE

ASYNCHRONOUS

262144 words

5

4

IN-LINE

2.54 mm

70 Cel

3-STATE

256KX4

256K

0 Cel

DUAL

1

R-CDIP-T20

5.5 V

5.08 mm

7.62 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

120 ns

SMJ44C256-15JDL

Texas Instruments

FAST PAGE DRAM

COMMERCIAL

20

DIP

512

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

FAST PAGE

NO

1

CMOS

THROUGH-HOLE

ASYNCHRONOUS

262144 words

5

4

IN-LINE

2.54 mm

70 Cel

3-STATE

256KX4

256K

0 Cel

DUAL

1

R-CDIP-T20

5.5 V

5.08 mm

7.62 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

150 ns

TMS4C1024-10NL

Texas Instruments

FAST PAGE DRAM

COMMERCIAL

18

DIP

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

NO

1

CMOS

THROUGH-HOLE

ASYNCHRONOUS

1048576 words

5

1

IN-LINE

2.54 mm

70 Cel

3-STATE

1MX1

1M

0 Cel

DUAL

1

R-PDIP-T18

5.5 V

5.08 mm

7.62 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

22.48 mm

100 ns

SMJ44C251B-10JDM

Texas Instruments

VIDEO DRAM

MILITARY

28

DIP

512

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

FAST PAGE

NO

1

CMOS

38535Q/M;38534H;883B

THROUGH-HOLE

ASYNCHRONOUS

110 mA

262144 words

5

5

4

IN-LINE

DIP28,.4

Other Memory ICs

2.54 mm

125 Cel

3-STATE

256KX4

256K

-55 Cel

DUAL

2

R-CDIP-T28

5.5 V

4.83 mm

15.24 mm

Not Qualified

1048576 bit

4.5 V

CAS BEFORE RAS/HIDDEN REFRESH

NOT SPECIFIED

NOT SPECIFIED

.015 Amp

36.835 mm

100 ns

5962-01-120-8932

Texas Instruments

PAGE MODE DRAM

COMMERCIAL

16

DIP

128

RECTANGULAR

PLASTIC/EPOXY

NO

MOS

THROUGH-HOLE

16384 words

SEPARATE

+-5,12

1

IN-LINE

DIP16,.3

DRAMs

2.54 mm

70 Cel

3-STATE

16KX1

16K

0 Cel

DUAL

R-PDIP-T16

Not Qualified

16384 bit

NOT SPECIFIED

NOT SPECIFIED

200 ns

5962-9084703MRX

Texas Instruments

FAST PAGE DRAM

MILITARY

20

DIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

FAST PAGE

NO

1

CMOS

THROUGH-HOLE

ASYNCHRONOUS

1048576 words

5

4

IN-LINE

2.54 mm

125 Cel

1MX4

1M

-55 Cel

DUAL

1

R-CDIP-T20

5.5 V

5.08 mm

7.62 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

80 ns

SM4C1024-12JDM

Texas Instruments

FAST PAGE DRAM

MILITARY

18

DIP

512

RECTANGULAR

CERAMIC

NO

CMOS

THROUGH-HOLE

1048576 words

SEPARATE

5

5

1

IN-LINE

DIP18,.3

DRAMs

2.54 mm

125 Cel

3-STATE

1MX1

1M

-55 Cel

DUAL

R-XDIP-T18

Not Qualified

1048576 bit

120 ns

MM5290N-3

Texas Instruments

PAGE MODE DRAM

COMMERCIAL

16

DIP

128

RECTANGULAR

PLASTIC/EPOXY

NO

MOS

THROUGH-HOLE

16384 words

SEPARATE

+-5,12

1

IN-LINE

DIP16,.3

DRAMs

2.54 mm

70 Cel

3-STATE

16KX1

16K

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDIP-T16

Not Qualified

16384 bit

e0

200 ns

5962-01-265-8175

Texas Instruments

PAGE MODE DRAM

OTHER

16

DIP

256

RECTANGULAR

CERAMIC

NO

MOS

THROUGH-HOLE

262144 words

SEPARATE

5

5

1

IN-LINE

DIP16,.3

DRAMs

2.54 mm

100 Cel

3-STATE

256KX1

256K

-55 Cel

DUAL

R-XDIP-T16

Not Qualified

262144 bit

NOT SPECIFIED

NOT SPECIFIED

150 ns

5962-8949704MXA

Texas Instruments

VIDEO DRAM

MILITARY

28

DIP

RECTANGULAR

UNSPECIFIED

FAST PAGE

NO

1

CMOS

THROUGH-HOLE

ASYNCHRONOUS

262144 words

5

4

IN-LINE

125 Cel

256KX4

256K

-55 Cel

TIN LEAD

DUAL

2

R-XDIP-T28

5.5 V

Not Qualified

1048576 bit

4.5 V

CAS BEFORE RAS/HIDDEN REFRESH

e0

100 ns

SMJ44C251A-10JDM

Texas Instruments

VIDEO DRAM

MILITARY

28

DIP

512

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

FAST PAGE

NO

1

CMOS

38535Q/M;38534H;883B

THROUGH-HOLE

ASYNCHRONOUS

110 mA

262144 words

5

5

4

IN-LINE

DIP28,.4

Other Memory ICs

2.54 mm

125 Cel

3-STATE

256KX4

256K

-55 Cel

DUAL

2

R-CDIP-T28

5.5 V

4.445 mm

10.16 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH; 512 X 4 SAM PORT

NOT SPECIFIED

NOT SPECIFIED

.015 Amp

36.83 mm

100 ns

SMJ44400-10JDBM

Texas Instruments

FAST PAGE DRAM

MILITARY

20

DIP

1024

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

FAST PAGE

NO

1

CMOS

38535Q/M;38534H;883B

THROUGH-HOLE

SYNCHRONOUS

80 mA

1048576 words

NO

COMMON

5

5

4

IN-LINE

DIP20,.3

DRAMs

2.54 mm

125 Cel

3-STATE

1MX4

1M

-55 Cel

DUAL

1

R-CDIP-T20

5.5 V

5.08 mm

7.62 mm

Not Qualified

4194304 bit

4.5 V

CAS BEFORE RAS/HIDDEN REFRESH

NOT SPECIFIED

NOT SPECIFIED

.004 Amp

25.4 mm

100 ns

TMS4C1024-70N

Texas Instruments

FAST PAGE DRAM

COMMERCIAL

18

DIP

512

RECTANGULAR

PLASTIC/EPOXY

NO

CMOS

THROUGH-HOLE

80 mA

1048576 words

SEPARATE

5

5

1

IN-LINE

DIP18,.3

DRAMs

2.54 mm

70 Cel

3-STATE

1MX1

1M

0 Cel

DUAL

R-PDIP-T18

Not Qualified

1048576 bit

.002 Amp

70 ns

TMS4164-20NL

Texas Instruments

PAGE MODE DRAM

COMMERCIAL

16

DIP

256

RECTANGULAR

PLASTIC/EPOXY

PAGE

NO

1

NMOS

THROUGH-HOLE

ASYNCHRONOUS

65536 words

SEPARATE

5

5

1

IN-LINE

DIP16,.3

DRAMs

2.54 mm

70 Cel

3-STATE

64KX1

64K

0 Cel

DUAL

1

R-PDIP-T16

5.5 V

5.08 mm

7.62 mm

Not Qualified

65536 bit

4.5 V

RAS ONLY REFRESH

NOT SPECIFIED

NOT SPECIFIED

19.305 mm

200 ns

SMJ44C256-10JDL

Texas Instruments

FAST PAGE DRAM

COMMERCIAL

20

DIP

512

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

FAST PAGE

NO

1

CMOS

38535Q/M;38534H;883B

THROUGH-HOLE

ASYNCHRONOUS

262144 words

COMMON

5

5

4

IN-LINE

DIP20,.3

DRAMs

2.54 mm

70 Cel

3-STATE

256KX4

256K

0 Cel

DUAL

1

R-CDIP-T20

5.5 V

5.08 mm

7.62 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

NOT SPECIFIED

NOT SPECIFIED

100 ns

SMJ4C1024-10JDL

Texas Instruments

FAST PAGE DRAM

COMMERCIAL

18

DIP

512

RECTANGULAR

CERAMIC

NO

CMOS

38535Q/M;38534H;883B

THROUGH-HOLE

1048576 words

SEPARATE

5

5

1

IN-LINE

DIP18,.3

DRAMs

2.54 mm

70 Cel

3-STATE

1MX1

1M

0 Cel

DUAL

R-XDIP-T18

Not Qualified

1048576 bit

100 ns

TMS4027-15NL

Texas Instruments

PAGE MODE DRAM

COMMERCIAL

16

DIP

64

RECTANGULAR

PLASTIC/EPOXY

NO

MOS

THROUGH-HOLE

4096 words

SEPARATE

1

IN-LINE

DIP16,.3

DRAMs

2.54 mm

70 Cel

3-STATE

4KX1

4K

0 Cel

DUAL

R-PDIP-T16

Not Qualified

4096 bit

NOT SPECIFIED

NOT SPECIFIED

150 ns

TMS4116-20JDL

Texas Instruments

PAGE MODE DRAM

COMMERCIAL

16

DIP

128

RECTANGULAR

CERAMIC

NO

MOS

THROUGH-HOLE

16384 words

SEPARATE

+-5,12

1

IN-LINE

DIP16,.3

DRAMs

2.54 mm

70 Cel

3-STATE

16KX1

16K

0 Cel

DUAL

R-XDIP-T16

Not Qualified

16384 bit

NOT SPECIFIED

NOT SPECIFIED

200 ns

SMJ4C1024-12SVM

Texas Instruments

FAST PAGE DRAM

MILITARY

20

DIP

512

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

FAST PAGE

NO

1

CMOS

38535Q/M;38534H;883B

THROUGH-HOLE

SYNCHRONOUS

60 mA

1048576 words

SEPARATE

5

5

1

IN-LINE

ZIP20,.1

DRAMs

1.27 mm

125 Cel

3-STATE

1MX1

1M

-55 Cel

DUAL

1

R-CDIP-T20

5.5 V

10.92 mm

2.92 mm

Not Qualified

1048576 bit

4.5 V

CAS BEFORE RAS REFRESH

NOT SPECIFIED

NOT SPECIFIED

.003 Amp

26.67 mm

120 ns

TMS4030-1JL

Texas Instruments

COMMERCIAL

22

DIP

64

RECTANGULAR

CERAMIC

NO

MOS

THROUGH-HOLE

60 mA

4096 words

SEPARATE

1

IN-LINE

DIP22,.4

Other Memory ICs

2.54 mm

70 Cel

3-STATE

4KX1

4K

0 Cel

DUAL

R-XDIP-T22

Not Qualified

4096 bit

NOT SPECIFIED

NOT SPECIFIED

250 ns

5962-9084701MRX

Texas Instruments

FAST PAGE DRAM

MILITARY

20

DIP

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

FAST PAGE

NO

1

CMOS

THROUGH-HOLE

ASYNCHRONOUS

1048576 words

5

4

IN-LINE

2.54 mm

125 Cel

1MX4

1M

-55 Cel

DUAL

1

R-CDIP-T20

5.5 V

5.08 mm

7.62 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

120 ns

TMS4030-2NL

Texas Instruments

COMMERCIAL

22

DIP

64

RECTANGULAR

PLASTIC/EPOXY

NO

MOS

THROUGH-HOLE

60 mA

4096 words

SEPARATE

1

IN-LINE

DIP22,.4

Other Memory ICs

2.54 mm

70 Cel

3-STATE

4KX1

4K

0 Cel

DUAL

R-PDIP-T22

Not Qualified

4096 bit

NOT SPECIFIED

NOT SPECIFIED

200 ns

SMJ416400-10SVM

Texas Instruments

FAST PAGE DRAM

MILITARY

24

DIP

4096

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

FAST PAGE

NO

1

CMOS

38535Q/M;38534H;883B

THROUGH-HOLE

SYNCHRONOUS

60 mA

4194304 words

NO

COMMON

5

5

4

IN-LINE

ZIP24,.1

DRAMs

1.27 mm

125 Cel

3-STATE

4MX4

4M

-55 Cel

DUAL

1

R-CDIP-T24

5.5 V

13.08 mm

2.92 mm

Not Qualified

16777216 bit

4.5 V

CAS BEFORE RAS REFRESH

NOT SPECIFIED

NOT SPECIFIED

.001 Amp

31.75 mm

100 ns

5962-01-048-5199

Texas Instruments

COMMERCIAL

22

DIP

64

RECTANGULAR

CERAMIC

NO

MOS

THROUGH-HOLE

60 mA

4096 words

SEPARATE

1

IN-LINE

DIP22,.4

Other Memory ICs

2.54 mm

70 Cel

3-STATE

4KX1

4K

0 Cel

DUAL

R-XDIP-T22

Not Qualified

4096 bit

NOT SPECIFIED

NOT SPECIFIED

300 ns

TMS4C1024-60N

Texas Instruments

FAST PAGE DRAM

COMMERCIAL

18

DIP

512

RECTANGULAR

PLASTIC/EPOXY

NO

CMOS

THROUGH-HOLE

95 mA

1048576 words

SEPARATE

5

5

1

IN-LINE

DIP18,.3

DRAMs

2.54 mm

70 Cel

3-STATE

1MX1

1M

0 Cel

DUAL

R-PDIP-T18

Not Qualified

1048576 bit

.002 Amp

60 ns

SMJ4C1024-12JD

Texas Instruments

FAST PAGE DRAM

MILITARY

18

DIP

512

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

FAST PAGE

NO

1

CMOS

THROUGH-HOLE

ASYNCHRONOUS

1048576 words

5

1

IN-LINE

2.54 mm

125 Cel

3-STATE

1MX1

1M

-55 Cel

DUAL

1

R-CDIP-T18

5.5 V

4.45 mm

7.62 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

22.606 mm

120 ns

TMS4257-12NL

Texas Instruments

NIBBLE MODE DRAM

COMMERCIAL

16

DIP

256

RECTANGULAR

PLASTIC/EPOXY

NIBBLE

NO

1

NMOS

THROUGH-HOLE

ASYNCHRONOUS

262144 words

SEPARATE

5

5

1

IN-LINE

DIP16,.3

DRAMs

2.54 mm

70 Cel

3-STATE

256KX1

256K

0 Cel

DUAL

1

R-PDIP-T16

5.5 V

5.08 mm

7.62 mm

Not Qualified

262144 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

NOT SPECIFIED

NOT SPECIFIED

19.305 mm

120 ns

SMJ44C250-10JDM

Texas Instruments

VIDEO DRAM

MILITARY

28

DIP

512

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

FAST PAGE

NO

1

CMOS

38535Q/M;38534H;883B

THROUGH-HOLE

ASYNCHRONOUS

110 mA

262144 words

5

5

4

IN-LINE

DIP28,.4

Other Memory ICs

2.54 mm

125 Cel

3-STATE

256KX4

256K

-55 Cel

DUAL

2

R-CDIP-T28

5.5 V

4.445 mm

10.16 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

NOT SPECIFIED

NOT SPECIFIED

.015 Amp

35.925 mm

100 ns

TMS44C257-12NL

Texas Instruments

STATIC COLUMN DRAM

COMMERCIAL

20

DIP

512

RECTANGULAR

PLASTIC/EPOXY

STATIC COLUMN

NO

1

CMOS

THROUGH-HOLE

ASYNCHRONOUS

262144 words

5

4

IN-LINE

2.54 mm

70 Cel

3-STATE

256KX4

256K

0 Cel

DUAL

1

R-PDIP-T20

5.5 V

5.08 mm

7.62 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

24.325 mm

120 ns

SMJ4161-20JDS

Texas Instruments

VIDEO DRAM

OTHER

20

DIP

256

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

PAGE

NO

1

NMOS

38535Q/M;38534H;883B

THROUGH-HOLE

ASYNCHRONOUS

100 mA

65536 words

5

1

IN-LINE

DIP20,.3

Other Memory ICs

2.54 mm

100 Cel

3-STATE

64KX1

64K

-55 Cel

DUAL

2

R-CDIP-T20

5.25 V

4.45 mm

7.62 mm

Not Qualified

65536 bit

4.75 V

RAS ONLY REFRESH; 256 X 1 SAM PORT

NOT SPECIFIED

NOT SPECIFIED

.025 Amp

200 ns

SMJ4164-20JDS

Texas Instruments

PAGE MODE DRAM

OTHER

16

DIP

256

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

PAGE

NO

1

NMOS

38535Q/M;38534H;883B

THROUGH-HOLE

ASYNCHRONOUS

65536 words

SEPARATE

5

5

1

IN-LINE

DIP16,.3

DRAMs

2.54 mm

110 Cel

3-STATE

64KX1

64K

-55 Cel

DUAL

1

R-CDIP-T16

5.5 V

5.08 mm

7.62 mm

Not Qualified

65536 bit

4.5 V

RAS ONLY REFRESH

NOT SPECIFIED

NOT SPECIFIED

200 ns

SMJ44C251B-10SVM

Texas Instruments

VIDEO DRAM

MILITARY

28

DIP

512

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

FAST PAGE

NO

1

CMOS

38535Q/M;38534H;883B

THROUGH-HOLE

ASYNCHRONOUS

110 mA

262144 words

5

5

4

IN-LINE

ZIP28,.1

Other Memory ICs

1.27 mm

125 Cel

3-STATE

256KX4

256K

-55 Cel

DUAL

2

R-CDIP-T28

5.5 V

13.08 mm

2.92 mm

Not Qualified

1048576 bit

4.5 V

CAS BEFORE RAS/HIDDEN REFRESH

NOT SPECIFIED

NOT SPECIFIED

.015 Amp

36.83 mm

100 ns

5962-9061705MRX

Texas Instruments

FAST PAGE DRAM

MILITARY

20

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

FAST PAGE

NO

1

CMOS

THROUGH-HOLE

ASYNCHRONOUS

262144 words

5

4

IN-LINE

125 Cel

256KX4

256K

-55 Cel

DUAL

1

R-GDIP-T20

5.5 V

Not Qualified

1048576 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

70 ns

8201008EX

Texas Instruments

PAGE MODE DRAM

OTHER

16

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

FAST PAGE

NO

1

NMOS

MIL-STD-883

THROUGH-HOLE

ASYNCHRONOUS

65536 words

5

1

IN-LINE

110 Cel

64KX1

64K

-55 Cel

DUAL

1

R-GDIP-T16

5.5 V

Not Qualified

65536 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

120 ns

TMS4464-12JL

Texas Instruments

PAGE MODE DRAM

COMMERCIAL

18

DIP

256

RECTANGULAR

CERAMIC

NO

MOS

THROUGH-HOLE

65536 words

COMMON

5

5

4

IN-LINE

DIP18,.3

DRAMs

2.54 mm

70 Cel

3-STATE

64KX4

64K

0 Cel

DUAL

R-XDIP-T18

Not Qualified

262144 bit

NOT SPECIFIED

NOT SPECIFIED

120 ns

TMS4027-25NL

Texas Instruments

PAGE MODE DRAM

COMMERCIAL

16

DIP

64

RECTANGULAR

PLASTIC/EPOXY

NO

MOS

THROUGH-HOLE

4096 words

SEPARATE

1

IN-LINE

DIP16,.3

DRAMs

2.54 mm

70 Cel

3-STATE

4KX1

4K

0 Cel

DUAL

R-PDIP-T16

Not Qualified

4096 bit

NOT SPECIFIED

NOT SPECIFIED

250 ns

TMS41128B-15NL

Texas Instruments

PAGE MODE DRAM

COMMERCIAL

16

DIP

128

RECTANGULAR

PLASTIC/EPOXY

NO

MOS

THROUGH-HOLE

131072 words

SEPARATE

1

IN-LINE

DIP16,.3

DRAMs

2.54 mm

70 Cel

3-STATE

128KX1

128K

0 Cel

DUAL

R-PDIP-T16

Not Qualified

131072 bit

150 ns

5962-01-101-3756

Texas Instruments

COMMERCIAL

18

DIP

64

RECTANGULAR

CERAMIC

NO

MOS

THROUGH-HOLE

70 mA

4096 words

COMMON

1

IN-LINE

DIP18,.3

Other Memory ICs

2.54 mm

70 Cel

OPEN-DRAIN

4KX1

4K

0 Cel

DUAL

R-XDIP-T18

Not Qualified

4096 bit

NOT SPECIFIED

NOT SPECIFIED

200 ns

SMC4030JR

Texas Instruments

OTHER

22

DIP

64

RECTANGULAR

CERAMIC

NO

MOS

38535Q/M;38534H;883B

THROUGH-HOLE

80 mA

4096 words

SEPARATE

1

IN-LINE

DIP22,.4

Other Memory ICs

2.54 mm

85 Cel

3-STATE

4KX1

4K

-55 Cel

DUAL

R-XDIP-T22

Not Qualified

4096 bit

NOT SPECIFIED

NOT SPECIFIED

300 ns

5962-01-341-2450

Texas Instruments

PAGE MODE DRAM

OTHER

16

DIP

256

RECTANGULAR

CERAMIC

NO

MOS

38535Q/M;38534H;883B

THROUGH-HOLE

262144 words

SEPARATE

5

5

1

IN-LINE

DIP16,.3

DRAMs

2.54 mm

110 Cel

3-STATE

256KX1

256K

-55 Cel

DUAL

R-XDIP-T16

Not Qualified

262144 bit

NOT SPECIFIED

NOT SPECIFIED

120 ns

TMS4C1025-15NL

Texas Instruments

NIBBLE MODE DRAM

COMMERCIAL

18

DIP

512

RECTANGULAR

PLASTIC/EPOXY

NIBBLE

NO

1

CMOS

THROUGH-HOLE

ASYNCHRONOUS

1048576 words

5

1

IN-LINE

2.54 mm

70 Cel

3-STATE

1MX1

1M

0 Cel

DUAL

1

R-PDIP-T18

5.5 V

5.08 mm

7.62 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

22.48 mm

150 ns

TMS4C1024-10N

Texas Instruments

FAST PAGE DRAM

COMMERCIAL

18

DIP

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

NO

1

CMOS

THROUGH-HOLE

ASYNCHRONOUS

65 mA

1048576 words

SEPARATE

5

5

1

IN-LINE

DIP18,.3

DRAMs

2.54 mm

70 Cel

3-STATE

1MX1

1M

0 Cel

DUAL

1

R-PDIP-T18

5.5 V

5.08 mm

7.62 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

NOT SPECIFIED

NOT SPECIFIED

.002 Amp

22.48 mm

100 ns

SMJ44C251B-10JDL

Texas Instruments

VIDEO DRAM

COMMERCIAL

28

DIP

512

RECTANGULAR

CERAMIC, METAL-SEALED COFIRED

FAST PAGE WITH EDO

NO

1

CMOS

THROUGH-HOLE

ASYNCHRONOUS

262144 words

5

4

IN-LINE

2.54 mm

70 Cel

3-STATE

256KX4

256K

0 Cel

DUAL

2

R-CDIP-T28

5.5 V

3.56 mm

10.16 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH; 512 X 4 SAM PORT

100 ns

TMS1103NL

Texas Instruments

COMMERCIAL

18

DIP

32

RECTANGULAR

PLASTIC/EPOXY

NO

MOS

THROUGH-HOLE

59 mA

1024 words

SEPARATE

1

IN-LINE

DIP18,.3

Other Memory ICs

2.54 mm

70 Cel

1KX1

1K

0 Cel

DUAL

R-PDIP-T18

Not Qualified

1024 bit

NOT SPECIFIED

NOT SPECIFIED

300 ns

5962-8949703MXX

Texas Instruments

VIDEO DRAM

MILITARY

28

DIP

RECTANGULAR

UNSPECIFIED

FAST PAGE

NO

1

CMOS

MIL-STD-883

THROUGH-HOLE

ASYNCHRONOUS

110 mA

262144 words

5

5

4

IN-LINE

DIP28,.4

Other Memory ICs

2.54 mm

125 Cel

256KX4

256K

-55 Cel

DUAL

2

R-XDIP-T28

5.5 V

Not Qualified

1048576 bit

4.5 V

CAS BEFORE RAS/HIDDEN REFRESH

.015 Amp

120 ns

TMS4060-2JL

Texas Instruments

COMMERCIAL

22

DIP

64

RECTANGULAR

CERAMIC

NO

MOS

THROUGH-HOLE

60 mA

4096 words

SEPARATE

1

IN-LINE

DIP22,.4

Other Memory ICs

2.54 mm

70 Cel

3-STATE

4KX1

4K

0 Cel

DUAL

R-XDIP-T22

Not Qualified

4096 bit

NOT SPECIFIED

NOT SPECIFIED

200 ns

TMS4464-10JL

Texas Instruments

PAGE MODE DRAM

COMMERCIAL

18

DIP

256

RECTANGULAR

CERAMIC

NO

MOS

THROUGH-HOLE

65536 words

COMMON

5

5

4

IN-LINE

DIP18,.3

DRAMs

2.54 mm

70 Cel

3-STATE

64KX4

64K

0 Cel

DUAL

R-XDIP-T18

Not Qualified

262144 bit

NOT SPECIFIED

NOT SPECIFIED

100 ns

DRAM

DRAM, or Dynamic Random Access Memory, is a type of volatile computer memory that stores data in a digital format. It is commonly used in personal computers, laptops, mobile devices, and other digital devices.

DRAM stores digital data as a charge on a capacitor. Each capacitor in DRAM represents one bit of data, and the state of the capacitor is refreshed periodically to maintain its charge. The refreshing process is necessary because the charge on the capacitor leaks over time, leading to data loss. The refreshing process is managed by a control circuitry that is integrated into the DRAM module.

DRAM is an important component of modern computer systems because it provides fast access to data for the processor. DRAM access times are measured in nanoseconds, which is much faster than access times for secondary storage devices like hard drives or solid-state drives. DRAM is also cheaper and more energy-efficient than other types of computer memory.

There are different types of DRAM, including SDRAM (Synchronous DRAM), DDR SDRAM (Double Data Rate Synchronous DRAM), and GDDR SDRAM (Graphics Double Data Rate Synchronous DRAM). These different types of DRAM have different characteristics, such as speed, capacity, and power consumption, and are used in different types of computer systems.

One of the disadvantages of DRAM is that it is volatile, which means that it loses data when the power is turned off. To prevent data loss, DRAM is typically used in conjunction with non-volatile storage devices like hard drives or solid-state drives, which can store data even when the power is turned off.