512 DRAM 2,400+

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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

TC514256Z-12

Toshiba

FAST PAGE DRAM

COMMERCIAL

20

ZIP

512

RECTANGULAR

PLASTIC/EPOXY

NO

CMOS

THROUGH-HOLE

55 mA

262144 words

COMMON

5

5

4

IN-LINE

ZIP20,.1

DRAMs

1.27 mm

70 Cel

3-STATE

256KX4

256K

0 Cel

Tin/Lead (Sn/Pb)

ZIG-ZAG

R-PZIP-T20

Not Qualified

1048576 bit

e0

.001 Amp

120 ns

TC511000AZ-80

Toshiba

FAST PAGE DRAM

COMMERCIAL

19

ZIP

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

NO

1

CMOS

THROUGH-HOLE

ASYNCHRONOUS

1048576 words

5

1

IN-LINE

1.27 mm

70 Cel

1MX1

1M

0 Cel

TIN LEAD

ZIG-ZAG

1

R-PZIP-T19

5.5 V

10.16 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

e0

25.8 mm

80 ns

TC514256ZL-10

Toshiba

FAST PAGE DRAM

COMMERCIAL

20

ZIP

512

RECTANGULAR

PLASTIC/EPOXY

NO

CMOS

THROUGH-HOLE

65 mA

262144 words

COMMON

5

5

4

IN-LINE

ZIP20,.1

DRAMs

1.27 mm

70 Cel

3-STATE

256KX4

256K

0 Cel

Tin/Lead (Sn/Pb)

ZIG-ZAG

R-PZIP-T20

Not Qualified

1048576 bit

e0

.0003 Amp

100 ns

TC524262FT-60

Toshiba

VIDEO DRAM

COMMERCIAL

64

TSOP2

512

RECTANGULAR

PLASTIC/EPOXY

FAST AND PIPELINED PAGE

YES

1

CMOS

GULL WING

ASYNCHRONOUS

262144 words

5

16

SMALL OUTLINE, THIN PROFILE

.65 mm

70 Cel

3-STATE

256KX16

256K

0 Cel

TIN LEAD

DUAL

2

R-PDSO-G64

5.5 V

1.2 mm

10.16 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

23.45 mm

60 ns

TC524259BZ-10

Toshiba

VIDEO DRAM

COMMERCIAL

28

ZIP

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

NO

1

CMOS

THROUGH-HOLE

ASYNCHRONOUS

262144 words

5

4

IN-LINE

1.27 mm

70 Cel

3-STATE

256KX4

256K

0 Cel

TIN LEAD

ZIG-ZAG

2

R-PZIP-T28

5.5 V

10.16 mm

Not Qualified

1048576 bit

4.5 V

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

e0

36.2 mm

100 ns

TC514256P-85

Toshiba

FAST PAGE DRAM

COMMERCIAL

20

DIP

512

RECTANGULAR

PLASTIC/EPOXY

NO

CMOS

THROUGH-HOLE

75 mA

262144 words

COMMON

5

5

4

IN-LINE

DIP20,.3

DRAMs

2.54 mm

70 Cel

3-STATE

256KX4

256K

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDIP-T20

Not Qualified

1048576 bit

e0

.001 Amp

85 ns

TC511001J-85

Toshiba

NIBBLE MODE DRAM

COMMERCIAL

20

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

YES

CMOS

J BEND

70 mA

1048576 words

SEPARATE

5

5

1

SMALL OUTLINE

SOJ20/26,.34

DRAMs

1.27 mm

70 Cel

3-STATE

1MX1

1M

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-J20

Not Qualified

1048576 bit

e0

.001 Amp

85 ns

TC514265DJS-70

Toshiba

EDO DRAM

COMMERCIAL

40

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

YES

CMOS

J BEND

95 mA

262144 words

YES

COMMON

5

5

16

SMALL OUTLINE

SOJ40,.44

DRAMs

1.27 mm

70 Cel

3-STATE

256KX16

256K

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-J40

Not Qualified

4194304 bit

e0

.0002 Amp

70 ns

TC514256APL-80

Toshiba

FAST PAGE DRAM

COMMERCIAL

20

DIP

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

NO

1

CMOS

THROUGH-HOLE

ASYNCHRONOUS

262144 words

5

4

IN-LINE

2.54 mm

70 Cel

256KX4

256K

0 Cel

TIN LEAD

DUAL

1

R-PDIP-T20

5.5 V

4.4 mm

7.62 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

e0

24.6 mm

80 ns

TC514260DJ-70

Toshiba

FAST PAGE DRAM

COMMERCIAL

40

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

YES

CMOS

J BEND

85 mA

262144 words

NO

COMMON

5

5

16

SMALL OUTLINE

SOJ40,.44

DRAMs

1.27 mm

70 Cel

3-STATE

256KX16

256K

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-J40

Not Qualified

4194304 bit

e0

.001 Amp

70 ns

TC51V4260DFTS-60

Toshiba

FAST PAGE DRAM

COMMERCIAL

40

TSOP2

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

GULL WING

ASYNCHRONOUS

262144 words

3.3

16

SMALL OUTLINE, THIN PROFILE

.8 mm

70 Cel

3-STATE

256KX16

256K

0 Cel

TIN LEAD

DUAL

1

R-PDSO-G40

3.6 V

1.2 mm

10.16 mm

Not Qualified

4194304 bit

3 V

RAS ONLY/CAS BEFORE RAS/HIDDEELF REFRESH

e0

18.41 mm

60 ns

TC514256AJ-80

Toshiba

FAST PAGE DRAM

COMMERCIAL

20

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

262144 words

5

4

SMALL OUTLINE

1.27 mm

70 Cel

256KX4

256K

0 Cel

TIN LEAD

DUAL

1

R-PDSO-J20

5.5 V

3.55 mm

7.7 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

e0

17.15 mm

80 ns

TC514256AZ-10

Toshiba

FAST PAGE DRAM

COMMERCIAL

19

ZIP

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

NO

1

CMOS

THROUGH-HOLE

ASYNCHRONOUS

262144 words

5

4

IN-LINE

1.27 mm

70 Cel

256KX4

256K

0 Cel

TIN LEAD

ZIG-ZAG

1

R-PZIP-T19

5.5 V

10.16 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

e0

25.8 mm

100 ns

TC514256AZL-10

Toshiba

FAST PAGE DRAM

COMMERCIAL

19

ZIP

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

NO

1

CMOS

THROUGH-HOLE

ASYNCHRONOUS

262144 words

5

4

IN-LINE

1.27 mm

70 Cel

256KX4

256K

0 Cel

TIN LEAD

ZIG-ZAG

1

R-PZIP-T19

5.5 V

10.16 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

e0

25.8 mm

100 ns

TC511000Z-85

Toshiba

FAST PAGE DRAM

COMMERCIAL

20

ZIP

512

RECTANGULAR

PLASTIC/EPOXY

NO

CMOS

THROUGH-HOLE

70 mA

1048576 words

SEPARATE

5

5

1

IN-LINE

ZIP20,.1

DRAMs

1.27 mm

70 Cel

3-STATE

1MX1

1M

0 Cel

Tin/Lead (Sn/Pb)

ZIG-ZAG

R-PZIP-T20

Not Qualified

1048576 bit

e0

.001 Amp

85 ns

TC524258BZ-10

Toshiba

VIDEO DRAM

COMMERCIAL

28

ZIP

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

NO

1

CMOS

THROUGH-HOLE

ASYNCHRONOUS

262144 words

5

4

IN-LINE

1.27 mm

70 Cel

3-STATE

256KX4

256K

0 Cel

TIN LEAD

ZIG-ZAG

2

R-PZIP-T28

5.5 V

10.16 mm

Not Qualified

1048576 bit

4.5 V

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

e0

36.2 mm

100 ns

TC511000BJL-60

Toshiba

FAST PAGE DRAM

COMMERCIAL

20

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

1048576 words

5

1

SMALL OUTLINE

1.27 mm

70 Cel

1MX1

1M

0 Cel

TIN LEAD

DUAL

1

R-PDSO-J20

5.5 V

3.55 mm

7.7 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

e0

17.15 mm

60 ns

TC511000PL-12

Toshiba

FAST PAGE DRAM

COMMERCIAL

18

DIP

512

RECTANGULAR

PLASTIC/EPOXY

NO

CMOS

THROUGH-HOLE

50 mA

1048576 words

SEPARATE

5

5

1

IN-LINE

DIP18,.3

DRAMs

2.54 mm

70 Cel

3-STATE

1MX1

1M

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDIP-T18

Not Qualified

1048576 bit

e0

.0003 Amp

120 ns

TC514256BPL-60

Toshiba

FAST PAGE DRAM

COMMERCIAL

20

DIP

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

NO

1

CMOS

THROUGH-HOLE

ASYNCHRONOUS

262144 words

5

4

IN-LINE

2.54 mm

70 Cel

256KX4

256K

0 Cel

TIN LEAD

DUAL

1

R-PDIP-T20

5.5 V

4.4 mm

7.62 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

e0

24.6 mm

60 ns

TC511001P-10

Toshiba

NIBBLE MODE DRAM

COMMERCIAL

18

DIP

512

RECTANGULAR

PLASTIC/EPOXY

NO

CMOS

THROUGH-HOLE

60 mA

1048576 words

SEPARATE

5

5

1

IN-LINE

DIP18,.3

DRAMs

2.54 mm

70 Cel

3-STATE

1MX1

1M

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDIP-T18

Not Qualified

1048576 bit

e0

.001 Amp

100 ns

TC511000AJ-70

Toshiba

FAST PAGE DRAM

COMMERCIAL

20

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

1048576 words

5

1

SMALL OUTLINE

1.27 mm

70 Cel

1MX1

1M

0 Cel

TIN LEAD

DUAL

1

R-PDSO-J20

5.5 V

3.55 mm

7.7 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

e0

17.15 mm

70 ns

TC514258AP-70

Toshiba

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

256KX4

256K

0 Cel

TIN LEAD

DUAL

1

R-PDIP-T20

5.5 V

4.4 mm

7.62 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

e0

24.6 mm

70 ns

TC528257FT-80

Toshiba

VIDEO DRAM

COMMERCIAL

40

TSOP2

512

RECTANGULAR

PLASTIC/EPOXY

FAST AND PIPELINED PAGE

YES

1

CMOS

GULL WING

ASYNCHRONOUS

262144 words

5

8

SMALL OUTLINE, THIN PROFILE

.8 mm

70 Cel

3-STATE

256KX8

256K

0 Cel

TIN LEAD

DUAL

2

R-PDSO-G40

5.5 V

1.2 mm

10.16 mm

Not Qualified

2097152 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/AUTO/HIDDEN REFRESH

e0

18.41 mm

80 ns

THM81000L-85

Toshiba

FAST PAGE DRAM MODULE

COMMERCIAL

30

512

PLASTIC/EPOXY

NO

CMOS

560 mA

1048576 words

COMMON

5

5

8

SIP30,.2

DRAMs

2.54 mm

70 Cel

3-STATE

1MX8

1M

0 Cel

Tin/Lead (Sn/Pb)

SINGLE

22.86 mm

Not Qualified

8388608 bit

e0

.008 Amp

85 ns

TC511000BPL-60

Toshiba

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

1MX1

1M

0 Cel

TIN LEAD

DUAL

1

R-PDIP-T18

5.5 V

4.4 mm

7.62 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

e0

22 mm

60 ns

TC511000BZ-60

Toshiba

FAST PAGE DRAM

COMMERCIAL

19

ZIP

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

NO

1

CMOS

THROUGH-HOLE

ASYNCHRONOUS

1048576 words

5

1

IN-LINE

1.27 mm

70 Cel

1MX1

1M

0 Cel

TIN LEAD

ZIG-ZAG

1

R-PZIP-T19

5.5 V

10.16 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

e0

25.8 mm

60 ns

TC524262SF-70

Toshiba

VIDEO DRAM

COMMERCIAL

64

SSOP

512

RECTANGULAR

PLASTIC/EPOXY

FAST AND PIPELINED PAGE

YES

1

CMOS

GULL WING

ASYNCHRONOUS

262144 words

5

16

SMALL OUTLINE, SHRINK PITCH

.8 mm

70 Cel

3-STATE

256KX16

256K

0 Cel

TIN LEAD

DUAL

2

R-PDSO-G64

5.5 V

3 mm

11.2 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

26 mm

70 ns

TC511000C-12

Toshiba

FAST PAGE DRAM

COMMERCIAL

18

DIP

512

RECTANGULAR

CERAMIC

NO

CMOS

THROUGH-HOLE

1048576 words

SEPARATE

5

5

1

IN-LINE

DIP18,.3

DRAMs

2.54 mm

70 Cel

3-STATE

1MX1

1M

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-XDIP-T18

Not Qualified

1048576 bit

e0

120 ns

TC511001BJ-60

Toshiba

NIBBLE MODE DRAM

COMMERCIAL

20

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

NIBBLE

YES

1

CMOS

J BEND

ASYNCHRONOUS

1048576 words

5

1

SMALL OUTLINE

1.27 mm

70 Cel

1MX1

1M

0 Cel

TIN LEAD

DUAL

1

R-PDSO-J20

5.5 V

3.55 mm

7.7 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

e0

17.15 mm

60 ns

TC514266AP-10

Toshiba

FAST PAGE DRAM

COMMERCIAL

20

DIP

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

NO

1

CMOS

THROUGH-HOLE

ASYNCHRONOUS

262144 words

5

4

IN-LINE

2.54 mm

70 Cel

256KX4

256K

0 Cel

TIN LEAD

DUAL

1

R-PDIP-T20

5.5 V

4.4 mm

7.62 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

e0

24.6 mm

100 ns

TC511002BJ-60

Toshiba

STATIC COLUMN DRAM

COMMERCIAL

20

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

STATIC COLUMN

YES

1

CMOS

J BEND

ASYNCHRONOUS

1048576 words

5

1

SMALL OUTLINE

1.27 mm

70 Cel

1MX1

1M

0 Cel

TIN LEAD

DUAL

1

R-PDSO-J20

5.5 V

3.55 mm

7.7 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

e0

17.15 mm

60 ns

TC514260BTR-80

Toshiba

FAST PAGE DRAM

COMMERCIAL

40

TSOP

512

RECTANGULAR

PLASTIC/EPOXY

YES

CMOS

GULL WING

85 mA

262144 words

NO

COMMON

5

5

16

SMALL OUTLINE, THIN PROFILE

TSOP40/44,.46,32

DRAMs

.8 mm

70 Cel

YES

3-STATE

256KX16

256K

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G40

Not Qualified

4194304 bit

e0

.001 Amp

80 ns

THM41000L-10

Toshiba

FAST PAGE DRAM MODULE

COMMERCIAL

25

512

PLASTIC/EPOXY

NO

CMOS

240 mA

1048576 words

SEPARATE

5

5

4

SIP25,.2

DRAMs

2.54 mm

70 Cel

3-STATE

1MX4

1M

0 Cel

Tin/Lead (Sn/Pb)

SINGLE

Not Qualified

4194304 bit

e0

100 ns

TC524162SF-70

Toshiba

VIDEO DRAM

COMMERCIAL

64

SSOP

512

RECTANGULAR

PLASTIC/EPOXY

FAST AND PIPELINED PAGE

YES

1

CMOS

GULL WING

ASYNCHRONOUS

262144 words

5

16

SMALL OUTLINE, SHRINK PITCH

.8 mm

70 Cel

3-STATE

256KX16

256K

0 Cel

TIN LEAD

DUAL

2

R-PDSO-G64

5.5 V

3 mm

11.2 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

25 mm

70 ns

TC514256AP-70

Toshiba

FAST PAGE DRAM

COMMERCIAL

20

DIP

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

NO

1

CMOS

THROUGH-HOLE

ASYNCHRONOUS

262144 words

5

4

IN-LINE

2.54 mm

70 Cel

256KX4

256K

0 Cel

TIN LEAD

DUAL

1

R-PDIP-T20

5.5 V

4.4 mm

7.62 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

e0

24.6 mm

70 ns

TC511000AJL-10

Toshiba

FAST PAGE DRAM

COMMERCIAL

20

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

1048576 words

5

1

SMALL OUTLINE

1.27 mm

70 Cel

1MX1

1M

0 Cel

TIN LEAD

DUAL

1

R-PDSO-J20

5.5 V

3.55 mm

7.7 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

e0

17.15 mm

100 ns

TC511001BP-60

Toshiba

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

1MX1

1M

0 Cel

TIN LEAD

DUAL

1

R-PDIP-T18

5.5 V

4.4 mm

7.62 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

e0

22 mm

60 ns

TMM411000C-12

Toshiba

PAGE MODE DRAM

COMMERCIAL

18

DIP

512

RECTANGULAR

CERAMIC

NO

MOS

THROUGH-HOLE

1048576 words

SEPARATE

5

5

1

IN-LINE

DIP18,.3

DRAMs

2.54 mm

70 Cel

3-STATE

1MX1

1M

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-XDIP-T18

Not Qualified

1048576 bit

e0

120 ns

TC514266BZ-60

Toshiba

FAST PAGE DRAM

COMMERCIAL

19

ZIP

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

NO

1

CMOS

THROUGH-HOLE

ASYNCHRONOUS

262144 words

5

4

IN-LINE

1.27 mm

70 Cel

256KX4

256K

0 Cel

TIN LEAD

ZIG-ZAG

1

R-PZIP-T19

5.5 V

10.16 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

e0

25.8 mm

60 ns

TC514265DJ-60

Toshiba

EDO DRAM

COMMERCIAL

40

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

YES

CMOS

J BEND

110 mA

262144 words

NO

COMMON

5

5

16

SMALL OUTLINE

SOJ40,.44

DRAMs

1.27 mm

70 Cel

3-STATE

256KX16

256K

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-J40

Not Qualified

4194304 bit

e0

.001 Amp

60 ns

TC514260DFT-60

Toshiba

FAST PAGE DRAM

COMMERCIAL

40

TSOP

512

RECTANGULAR

PLASTIC/EPOXY

YES

CMOS

GULL WING

100 mA

262144 words

NO

COMMON

5

5

16

SMALL OUTLINE, THIN PROFILE

TSOP40/44,.46,32

DRAMs

.8 mm

70 Cel

3-STATE

256KX16

256K

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G40

Not Qualified

4194304 bit

e0

.001 Amp

60 ns

TC511000ZL-85

Toshiba

FAST PAGE DRAM

COMMERCIAL

20

ZIP

512

RECTANGULAR

PLASTIC/EPOXY

NO

CMOS

THROUGH-HOLE

70 mA

1048576 words

SEPARATE

5

5

1

IN-LINE

ZIP20,.1

DRAMs

1.27 mm

70 Cel

3-STATE

1MX1

1M

0 Cel

Tin/Lead (Sn/Pb)

ZIG-ZAG

R-PZIP-T20

Not Qualified

1048576 bit

e0

.0003 Amp

85 ns

TC524259BJ-10

Toshiba

VIDEO DRAM

COMMERCIAL

28

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

262144 words

5

4

SMALL OUTLINE

1.27 mm

70 Cel

3-STATE

256KX4

256K

0 Cel

TIN LEAD

DUAL

2

R-PDSO-J28

5.5 V

3.7 mm

10.16 mm

Not Qualified

1048576 bit

4.5 V

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

e0

18.42 mm

100 ns

TC524262FT-70

Toshiba

VIDEO DRAM

COMMERCIAL

64

TSOP2

512

RECTANGULAR

PLASTIC/EPOXY

FAST AND PIPELINED PAGE

YES

1

CMOS

GULL WING

ASYNCHRONOUS

262144 words

5

16

SMALL OUTLINE, THIN PROFILE

.65 mm

70 Cel

3-STATE

256KX16

256K

0 Cel

TIN LEAD

DUAL

2

R-PDSO-G64

5.5 V

1.2 mm

10.16 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

23.45 mm

70 ns

TC514280BTR-10

Toshiba

FAST PAGE DRAM

COMMERCIAL

40

TSOP

512

RECTANGULAR

PLASTIC/EPOXY

YES

CMOS

GULL WING

85 mA

262144 words

NO

COMMON

5

5

18

SMALL OUTLINE, THIN PROFILE

TSOP40/44,.46,32

DRAMs

.8 mm

70 Cel

YES

3-STATE

256KX18

256K

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G40

Not Qualified

4718592 bit

e0

.001 Amp

100 ns

TC514258AJ-70

Toshiba

STATIC COLUMN DRAM

COMMERCIAL

20

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

STATIC COLUMN

YES

1

CMOS

J BEND

ASYNCHRONOUS

262144 words

5

4

SMALL OUTLINE

1.27 mm

70 Cel

256KX4

256K

0 Cel

TIN LEAD

DUAL

1

R-PDSO-J20

5.5 V

3.55 mm

7.7 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

e0

17.15 mm

70 ns

TC511001P-12

Toshiba

NIBBLE MODE DRAM

COMMERCIAL

18

DIP

512

RECTANGULAR

PLASTIC/EPOXY

NO

CMOS

THROUGH-HOLE

50 mA

1048576 words

SEPARATE

5

5

1

IN-LINE

DIP18,.3

DRAMs

2.54 mm

70 Cel

3-STATE

1MX1

1M

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDIP-T18

Not Qualified

1048576 bit

e0

.001 Amp

120 ns

TC511000AZL-10

Toshiba

FAST PAGE DRAM

COMMERCIAL

19

ZIP

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

NO

1

CMOS

THROUGH-HOLE

ASYNCHRONOUS

1048576 words

5

1

IN-LINE

1.27 mm

70 Cel

1MX1

1M

0 Cel

TIN LEAD

ZIG-ZAG

1

R-PZIP-T19

5.5 V

10.16 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

e0

25.8 mm

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.