20 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

TC514258AP-10

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

100 ns

TC514256BJ-60

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

60 ns

TC5116445BST-60

Toshiba

OTHER DRAM

20

TSOP2

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE WITH EDO

YES

1

CMOS

GULL WING

4194304 words

5

4

SMALL OUTLINE, THIN PROFILE

1.27 mm

4MX4

4M

DUAL

1

R-PDSO-G20

5.5 V

1.2 mm

7.7 mm

Not Qualified

16777216 bit

4.5 V

17.14 mm

60 ns

TC514101Z-80

Toshiba

NIBBLE MODE DRAM

COMMERCIAL

20

ZIP

1024

RECTANGULAR

PLASTIC/EPOXY

NIBBLE

NO

1

CMOS

THROUGH-HOLE

ASYNCHRONOUS

4194304 words

5

1

IN-LINE

1.27 mm

70 Cel

3-STATE

4MX1

4M

0 Cel

TIN LEAD

ZIG-ZAG

1

R-PZIP-T20

5.5 V

10.16 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

25.8 mm

80 ns

TC514101AJ-80

Toshiba

NIBBLE MODE DRAM

COMMERCIAL

20

SOJ

1024

RECTANGULAR

PLASTIC/EPOXY

NIBBLE

YES

1

CMOS

J BEND

ASYNCHRONOUS

4194304 words

5

1

SMALL OUTLINE

1.27 mm

70 Cel

3-STATE

4MX1

4M

0 Cel

TIN LEAD

DUAL

1

R-PDSO-J20

5.5 V

3.75 mm

8.89 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

17.15 mm

80 ns

TC514440CSJ-70

Toshiba

FAST PAGE DRAM

20

SOJ

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

1048576 words

5

4

SMALL OUTLINE

1.27 mm

1MX4

1M

DUAL

1

R-PDSO-J20

5.5 V

3.75 mm

7.7 mm

Not Qualified

4194304 bit

4.5 V

17.15 mm

70 ns

TC514402Z-80

Toshiba

STATIC COLUMN DRAM

COMMERCIAL

20

ZIP

1024

RECTANGULAR

PLASTIC/EPOXY

STATIC COLUMN

NO

1

CMOS

THROUGH-HOLE

ASYNCHRONOUS

1048576 words

5

4

IN-LINE

1.27 mm

70 Cel

3-STATE

1MX4

1M

0 Cel

TIN LEAD

ZIG-ZAG

1

R-PZIP-T20

5.5 V

10.16 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

25.8 mm

80 ns

TC514410AZ-60

Toshiba

FAST PAGE DRAM

COMMERCIAL

20

ZIP

1024

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

NO

1

CMOS

THROUGH-HOLE

ASYNCHRONOUS

1048576 words

5

4

IN-LINE

1.27 mm

70 Cel

3-STATE

1MX4

1M

0 Cel

TIN LEAD

ZIG-ZAG

1

R-PZIP-T20

5.5 V

10.16 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

25.8 mm

60 ns

TC514400AP-60

Toshiba

FAST PAGE DRAM

COMMERCIAL

20

DIP

1024

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

NO

1

CMOS

THROUGH-HOLE

ASYNCHRONOUS

1048576 words

5

4

IN-LINE

2.54 mm

70 Cel

3-STATE

1MX4

1M

0 Cel

TIN LEAD

DUAL

1

R-PDIP-T20

5.5 V

4.4 mm

7.62 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

24.6 mm

60 ns

TC514101AJ-10

Toshiba

NIBBLE MODE DRAM

COMMERCIAL

20

SOJ

1024

RECTANGULAR

PLASTIC/EPOXY

NIBBLE

YES

1

CMOS

J BEND

ASYNCHRONOUS

4194304 words

5

1

SMALL OUTLINE

1.27 mm

70 Cel

3-STATE

4MX1

4M

0 Cel

TIN LEAD

DUAL

1

R-PDSO-J20

5.5 V

3.75 mm

8.89 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

17.15 mm

100 ns

TC514266AJ-10

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

100 ns

TC514402ASJ-60

Toshiba

STATIC COLUMN DRAM

COMMERCIAL

20

SOJ

1024

RECTANGULAR

PLASTIC/EPOXY

STATIC COLUMN

YES

1

CMOS

J BEND

ASYNCHRONOUS

1048576 words

5

4

SMALL OUTLINE

1.27 mm

70 Cel

3-STATE

1MX4

1M

0 Cel

TIN LEAD

DUAL

1

R-PDSO-J20

5.5 V

3.75 mm

7.7 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

17.15 mm

60 ns

TC514410AJ-80

Toshiba

FAST PAGE DRAM

COMMERCIAL

20

SOJ

1024

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

1048576 words

5

4

SMALL OUTLINE

1.27 mm

70 Cel

3-STATE

1MX4

1M

0 Cel

TIN LEAD

DUAL

1

R-PDSO-J20

5.5 V

3.75 mm

8.89 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

17.15 mm

80 ns

TC514410AJ-60

Toshiba

FAST PAGE DRAM

COMMERCIAL

20

SOJ

1024

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

1048576 words

5

4

SMALL OUTLINE

1.27 mm

70 Cel

3-STATE

1MX4

1M

0 Cel

TIN LEAD

DUAL

1

R-PDSO-J20

5.5 V

3.75 mm

8.89 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

17.15 mm

60 ns

TC514258BFT-60

Toshiba

STATIC COLUMN DRAM

COMMERCIAL

20

TSOP1

512

RECTANGULAR

PLASTIC/EPOXY

STATIC COLUMN

YES

1

CMOS

GULL WING

ASYNCHRONOUS

262144 words

5

4

SMALL OUTLINE, THIN PROFILE

.5 mm

70 Cel

256KX4

256K

0 Cel

TIN LEAD

DUAL

1

R-PDSO-G20

5.5 V

1.2 mm

6 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

e0

14.4 mm

60 ns

TC514102AZ-10

Toshiba

STATIC COLUMN DRAM

COMMERCIAL

20

ZIP

1024

RECTANGULAR

PLASTIC/EPOXY

STATIC COLUMN

NO

1

CMOS

THROUGH-HOLE

ASYNCHRONOUS

4194304 words

5

1

IN-LINE

1.27 mm

70 Cel

3-STATE

4MX1

4M

0 Cel

TIN LEAD

ZIG-ZAG

1

R-PZIP-T20

5.5 V

10.16 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

25.8 mm

100 ns

TC514400ATR-80

Toshiba

OTHER DRAM

20

TSOP2-R

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

GULL WING

1048576 words

5

4

SMALL OUTLINE, THIN PROFILE

1.27 mm

1MX4

1M

DUAL

1

R-PDSO-G20

5.5 V

1.2 mm

7.7 mm

Not Qualified

4194304 bit

4.5 V

17.14 mm

80 ns

TC514100JL-10

Toshiba

FAST PAGE DRAM

COMMERCIAL

20

SOJ

1024

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

4194304 words

5

1

SMALL OUTLINE

1.27 mm

70 Cel

3-STATE

4MX1

4M

0 Cel

TIN LEAD

DUAL

1

R-PDSO-J20

5.5 V

3.75 mm

8.89 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

17.15 mm

100 ns

TC514100ATRL-80

Toshiba

OTHER DRAM

20

TSOP2-R

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

GULL WING

4194304 words

5

1

SMALL OUTLINE, THIN PROFILE

1.27 mm

4MX1

4M

DUAL

1

R-PDSO-G20

5.5 V

1.2 mm

7.7 mm

Not Qualified

4194304 bit

4.5 V

17.14 mm

80 ns

TC514440CSJ-50

Toshiba

FAST PAGE DRAM

20

SOJ

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

1048576 words

5

4

SMALL OUTLINE

1.27 mm

1MX4

1M

DUAL

1

R-PDSO-J20

5.5 V

3.75 mm

7.7 mm

Not Qualified

4194304 bit

4.5 V

17.15 mm

50 ns

TC514100AZ-10

Toshiba

FAST PAGE DRAM

COMMERCIAL

20

ZIP

1024

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

NO

1

CMOS

THROUGH-HOLE

ASYNCHRONOUS

4194304 words

5

1

IN-LINE

1.27 mm

70 Cel

3-STATE

4MX1

4M

0 Cel

TIN LEAD

ZIG-ZAG

1

R-PZIP-T20

5.5 V

10.16 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

25.8 mm

100 ns

TC511000BTR-80

Toshiba

FAST PAGE DRAM

20

TSOP1-R

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

GULL WING

1048576 words

5

1

SMALL OUTLINE, THIN PROFILE

.5 mm

1MX1

1M

DUAL

1

R-PDSO-G20

5.5 V

1.2 mm

6 mm

Not Qualified

1048576 bit

4.5 V

14.4 mm

80 ns

TC51V4400ASJL-80

Toshiba

FAST PAGE DRAM

COMMERCIAL

20

SOJ

1024

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

1048576 words

3.3

4

SMALL OUTLINE

1.27 mm

70 Cel

1MX4

1M

0 Cel

TIN LEAD

DUAL

1

R-PDSO-J20

3.6 V

3.75 mm

7.7 mm

Not Qualified

4194304 bit

3 V

RAS ONLY; CAS BEFORE RAS; HIDDEN; BATTERY BACKUP REFRESH

e0

17.15 mm

80 ns

TC514266AJ-70

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

70 ns

TC51V4400AJL-80

Toshiba

FAST PAGE DRAM

COMMERCIAL

20

SOJ

1024

RECTANGULAR

PLASTIC/EPOXY

YES

CMOS

J BEND

60 mA

1048576 words

NO

COMMON

3.3

3.3

4

SMALL OUTLINE

SOJ20/26,.4

DRAMs

1.27 mm

70 Cel

3-STATE

1MX4

1M

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-J20

Not Qualified

4194304 bit

e0

.00015 Amp

80 ns

TC514400ATR-70

Toshiba

OTHER DRAM

20

TSOP2-R

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

GULL WING

1048576 words

5

4

SMALL OUTLINE, THIN PROFILE

1.27 mm

1MX4

1M

DUAL

1

R-PDSO-G20

5.5 V

1.2 mm

7.7 mm

Not Qualified

4194304 bit

4.5 V

17.14 mm

70 ns

TC514410ASJ-70

Toshiba

FAST PAGE DRAM

COMMERCIAL

20

SOJ

1024

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

1048576 words

5

4

SMALL OUTLINE

1.27 mm

70 Cel

3-STATE

1MX4

1M

0 Cel

TIN LEAD

DUAL

1

R-PDSO-J20

5.5 V

3.75 mm

7.7 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

e0

17.15 mm

70 ns

TC511001J-12

Toshiba

NIBBLE MODE DRAM

COMMERCIAL

20

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

YES

CMOS

J BEND

50 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

120 ns

TC51V4400AFTL-80

Toshiba

FAST PAGE DRAM

COMMERCIAL

20

TSOP2

1024

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

GULL WING

ASYNCHRONOUS

1048576 words

3.3

4

SMALL OUTLINE, THIN PROFILE

1.27 mm

70 Cel

1MX4

1M

0 Cel

TIN LEAD

DUAL

1

R-PDSO-G20

3.6 V

1.2 mm

7.7 mm

Not Qualified

4194304 bit

3 V

RAS ONLY; CAS BEFORE RAS; HIDDEN; BATTERY BACKUP REFRESH

e0

17.14 mm

80 ns

TC5116440BST-60

Toshiba

OTHER DRAM

20

TSOP2

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

GULL WING

4194304 words

5

4

SMALL OUTLINE, THIN PROFILE

1.27 mm

4MX4

4M

DUAL

1

R-PDSO-G20

5.5 V

1.2 mm

7.7 mm

Not Qualified

16777216 bit

4.5 V

17.14 mm

60 ns

TC514258AP-80

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

80 ns

TC5116440BST-50

Toshiba

OTHER DRAM

20

TSOP2

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

GULL WING

4194304 words

5

4

SMALL OUTLINE, THIN PROFILE

1.27 mm

4MX4

4M

DUAL

1

R-PDSO-G20

5.5 V

1.2 mm

7.7 mm

Not Qualified

16777216 bit

4.5 V

17.14 mm

50 ns

TC5117440BST-70

Toshiba

OTHER DRAM

20

TSOP2

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

GULL WING

4194304 words

5

4

SMALL OUTLINE, THIN PROFILE

1.27 mm

4MX4

4M

DUAL

1

R-PDSO-G20

5.5 V

1.2 mm

7.7 mm

Not Qualified

16777216 bit

4.5 V

17.14 mm

70 ns

TC514402AJ-70

Toshiba

STATIC COLUMN DRAM

COMMERCIAL

20

SOJ

1024

RECTANGULAR

PLASTIC/EPOXY

STATIC COLUMN

YES

1

CMOS

J BEND

ASYNCHRONOUS

1048576 words

5

4

SMALL OUTLINE

1.27 mm

70 Cel

3-STATE

1MX4

1M

0 Cel

TIN LEAD

DUAL

1

R-PDSO-J20

5.5 V

3.75 mm

8.89 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

17.15 mm

70 ns

TC51V4400APL-10

Toshiba

FAST PAGE DRAM

COMMERCIAL

20

DIP

1024

RECTANGULAR

PLASTIC/EPOXY

NO

CMOS

THROUGH-HOLE

55 mA

1048576 words

NO

COMMON

3.3

3.3

4

IN-LINE

DIP20,.3

DRAMs

2.54 mm

70 Cel

3-STATE

1MX4

1M

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDIP-T20

Not Qualified

4194304 bit

e0

.00015 Amp

100 ns

TC514100AJ-80

Toshiba

FAST PAGE DRAM

COMMERCIAL

20

SOJ

1024

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

4194304 words

5

1

SMALL OUTLINE

1.27 mm

70 Cel

3-STATE

4MX1

4M

0 Cel

TIN LEAD

DUAL

1

R-PDSO-J20

5.5 V

3.75 mm

8.89 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

17.15 mm

80 ns

TC514400APL-80

Toshiba

FAST PAGE DRAM

COMMERCIAL

20

DIP

1024

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

NO

1

CMOS

THROUGH-HOLE

ASYNCHRONOUS

1048576 words

5

4

IN-LINE

2.54 mm

70 Cel

3-STATE

1MX4

1M

0 Cel

TIN LEAD

DUAL

1

R-PDIP-T20

5.5 V

4.4 mm

7.62 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

24.6 mm

80 ns

TC514256JL-12

Toshiba

FAST PAGE DRAM

COMMERCIAL

20

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

YES

CMOS

J BEND

55 mA

262144 words

COMMON

5

5

4

SMALL OUTLINE

SOJ20/26,.34

DRAMs

1.27 mm

70 Cel

3-STATE

256KX4

256K

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-J20

Not Qualified

1048576 bit

e0

.0003 Amp

120 ns

TC514256ZL-85

Toshiba

FAST PAGE DRAM

COMMERCIAL

20

ZIP

512

RECTANGULAR

PLASTIC/EPOXY

NO

CMOS

THROUGH-HOLE

75 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

85 ns

TC514102J-80

Toshiba

STATIC COLUMN DRAM

COMMERCIAL

20

SOJ

1024

RECTANGULAR

PLASTIC/EPOXY

STATIC COLUMN

YES

1

CMOS

J BEND

ASYNCHRONOUS

4194304 words

5

1

SMALL OUTLINE

1.27 mm

70 Cel

3-STATE

4MX1

4M

0 Cel

TIN LEAD

DUAL

1

R-PDSO-J20

5.5 V

3.75 mm

8.89 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

17.15 mm

80 ns

TC514400AJ-80

Toshiba

FAST PAGE DRAM

COMMERCIAL

20

SOJ

1024

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

1048576 words

5

4

SMALL OUTLINE

1.27 mm

70 Cel

3-STATE

1MX4

1M

0 Cel

TIN LEAD

DUAL

1

R-PDSO-J20

5.5 V

3.75 mm

8.89 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

17.15 mm

80 ns

TC514400AZL-60

Toshiba

FAST PAGE DRAM

COMMERCIAL

20

ZIP

1024

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

NO

1

CMOS

THROUGH-HOLE

ASYNCHRONOUS

1048576 words

5

4

IN-LINE

1.27 mm

70 Cel

3-STATE

1MX4

1M

0 Cel

TIN LEAD

ZIG-ZAG

1

R-PZIP-T20

5.5 V

10.16 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

25.8 mm

60 ns

TC514400ASJ-70

Toshiba

FAST PAGE DRAM

COMMERCIAL

20

SOJ

1024

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

1048576 words

5

4

SMALL OUTLINE

1.27 mm

70 Cel

3-STATE

1MX4

1M

0 Cel

TIN LEAD

DUAL

1

R-PDSO-J20

5.5 V

3.75 mm

7.7 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

e0

17.15 mm

70 ns

TC514256Z-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

.001 Amp

100 ns

TC51V4256BFT-10

Toshiba

OTHER DRAM

20

TSOP1

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

GULL WING

262144 words

3.3

4

SMALL OUTLINE, THIN PROFILE

.5 mm

256KX4

256K

DUAL

1

R-PDSO-G20

3.6 V

1.2 mm

6 mm

Not Qualified

1048576 bit

3 V

14.4 mm

10 ns

TC514266AP-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

TC514256AP-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

TC514256BP-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

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.