VIDEO DRAM DRAM 823

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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

MT42C256K16C2SG-6

Micron Technology

VIDEO DRAM

COMMERCIAL

64

SSOP

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

GULL WING

ASYNCHRONOUS

262144 words

5

16

SMALL OUTLINE, SHRINK PITCH

.8 mm

70 Cel

256KX16

256K

0 Cel

DUAL

2

R-PDSO-G64

5.5 V

2.38 mm

12 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

26.29 mm

60 ns

MT42C256K16C2SG-6TR

Micron Technology

VIDEO DRAM

COMMERCIAL

64

SSOP

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

GULL WING

ASYNCHRONOUS

262144 words

5

16

SMALL OUTLINE, SHRINK PITCH

.8 mm

70 Cel

256KX16

256K

0 Cel

DUAL

2

R-PDSO-G64

5.5 V

2.38 mm

12 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

26.29 mm

60 ns

MT43C4257ADJ-7TR

Micron Technology

VIDEO DRAM

COMMERCIAL

40

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

3

R-PDSO-J40

5.25 V

3.81 mm

10.21 mm

Not Qualified

1048576 bit

4.75 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH; 2 X 512 X 4 SAM

e0

26.06 mm

70 ns

MT42C8254DJ-7TR

Micron Technology

VIDEO DRAM

COMMERCIAL

40

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

262144 words

5

8

SMALL OUTLINE

1.27 mm

70 Cel

256KX8

256K

0 Cel

TIN LEAD

DUAL

2

R-PDSO-J40

5.5 V

3.81 mm

10.21 mm

Not Qualified

2097152 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

e0

26.06 mm

70 ns

MT42C4256-10

Micron Technology

VIDEO DRAM

COMMERCIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

CMOS

THROUGH-HOLE

262144 words

5

5

4

IN-LINE

DIP28(UNSPEC)

Other Memory ICs

70 Cel

256KX4

256K

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDIP-T28

Not Qualified

1048576 bit

e0

.001 Amp

100 ns

MT42C4256DJ-7TR

Micron Technology

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

3.68 mm

10.21 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

e0

18.44 mm

70 ns

MT42C256K16C1SG-8TR

Micron Technology

VIDEO DRAM

COMMERCIAL

64

SSOP

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

GULL WING

ASYNCHRONOUS

262144 words

5

16

SMALL OUTLINE, SHRINK PITCH

.8 mm

70 Cel

256KX16

256K

0 Cel

DUAL

2

R-PDSO-G64

5.5 V

2.38 mm

12 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

26.29 mm

80 ns

MT43C8128EJ-8

Micron Technology

VIDEO DRAM

COMMERCIAL

52

QCCJ

512

SQUARE

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

220 mA

131072 words

5

5

8

CHIP CARRIER

LDCC52,.8SQ

Other Memory ICs

1.27 mm

70 Cel

3-STATE

128KX8

128K

0 Cel

TIN LEAD

QUAD

3

S-PQCC-J52

5.25 V

4.57 mm

19.1262 mm

Not Qualified

1048576 bit

4.75 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

.002 Amp

19.1262 mm

80 ns

MT42C8128DJ-7L

Micron Technology

VIDEO DRAM

COMMERCIAL

40

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

150 mA

131072 words

5

5

8

SMALL OUTLINE

SOJ40,.44

Other Memory ICs

1.27 mm

70 Cel

3-STATE

128KX8

128K

0 Cel

TIN LEAD

DUAL

2

R-PDSO-J40

5.5 V

3.81 mm

10.21 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH; 256 X 8 SAM PORT

e0

.0005 Amp

26.06 mm

70 ns

MT42C256K16C2SG-8TR

Micron Technology

VIDEO DRAM

COMMERCIAL

64

SSOP

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

GULL WING

ASYNCHRONOUS

262144 words

5

16

SMALL OUTLINE, SHRINK PITCH

.8 mm

70 Cel

256KX16

256K

0 Cel

DUAL

2

R-PDSO-G64

5.5 V

2.38 mm

12 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

26.29 mm

80 ns

MT43C8128EJ-8TR

Micron Technology

VIDEO DRAM

COMMERCIAL

52

QCCJ

512

SQUARE

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

131072 words

5

8

CHIP CARRIER

1.27 mm

70 Cel

3-STATE

128KX8

128K

0 Cel

TIN LEAD

QUAD

3

S-PQCC-J52

5.25 V

4.57 mm

19.1262 mm

Not Qualified

1048576 bit

4.75 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

19.1262 mm

80 ns

MT43C4258ADJ-6

Micron Technology

VIDEO DRAM

COMMERCIAL

40

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

195 mA

262144 words

5

5

4

SMALL OUTLINE

SOJ40,.44

Other Memory ICs

1.27 mm

70 Cel

3-STATE

256KX4

256K

0 Cel

TIN LEAD

DUAL

3

R-PDSO-J40

5.25 V

3.81 mm

10.21 mm

Not Qualified

1048576 bit

4.75 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH; 2 X 512 X 4 SAM

e0

.002 Amp

26.06 mm

60 ns

MT43C4257ADJ-6

Micron Technology

VIDEO DRAM

COMMERCIAL

40

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

195 mA

262144 words

5

5

4

SMALL OUTLINE

SOJ40,.44

Other Memory ICs

1.27 mm

70 Cel

3-STATE

256KX4

256K

0 Cel

TIN LEAD

DUAL

3

R-PDSO-J40

5.25 V

3.81 mm

10.21 mm

Not Qualified

1048576 bit

4.75 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH; 2 X 512 X 4 SAM

e0

.002 Amp

26.06 mm

60 ns

MT42C4255DJ-8S

Micron Technology

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

DUAL

2

R-PDSO-J28

5.25 V

3.66 mm

10.21 mm

Not Qualified

1048576 bit

4.75 V

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

18.44 mm

80 ns

MT42C8256TG-8

Micron Technology

VIDEO DRAM

COMMERCIAL

40

TSOP2

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

GULL WING

ASYNCHRONOUS

195 mA

262144 words

5

5

8

SMALL OUTLINE, THIN PROFILE

TSOP40/44,.46,32

Other Memory ICs

.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/HIDDEN REFRESH; 512 X 8 SAM PORT

e0

.01 Amp

18.41 mm

80 ns

MT42C4256C-15

Micron Technology

VIDEO DRAM

COMMERCIAL

28

DIP

RECTANGULAR

CERAMIC

NO

CMOS

THROUGH-HOLE

262144 words

5

5

4

IN-LINE

DIP28(UNSPEC)

Other Memory ICs

70 Cel

256KX4

256K

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-XDIP-T28

Not Qualified

1048576 bit

e0

.001 Amp

150 ns

MT42C256K16C2TG-8TR

Micron Technology

VIDEO DRAM

COMMERCIAL

70

TSOP2

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

GULL WING

ASYNCHRONOUS

262144 words

5

16

SMALL OUTLINE, THIN PROFILE

.65 mm

70 Cel

256KX16

256K

0 Cel

TIN LEAD

DUAL

2

R-PDSO-G70

5.5 V

1.2 mm

10.16 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

e0

23.875 mm

80 ns

MT43C4258TG-8

Micron Technology

VIDEO DRAM

COMMERCIAL

40

TSOP2

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

GULL WING

ASYNCHRONOUS

205 mA

262144 words

5

5

4

SMALL OUTLINE, THIN PROFILE

TSOP40/44,.46,32

Other Memory ICs

.8 mm

70 Cel

3-STATE

256KX4

256K

0 Cel

TIN LEAD

DUAL

3

R-PDSO-G40

5.25 V

1.2 mm

10.16 mm

Not Qualified

1048576 bit

4.75 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

.002 Amp

18.41 mm

80 ns

MT42C8128DJ-7TR

Micron Technology

VIDEO DRAM

COMMERCIAL

40

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

131072 words

5

8

SMALL OUTLINE

1.27 mm

70 Cel

3-STATE

128KX8

128K

0 Cel

TIN LEAD

DUAL

2

R-PDSO-J40

5.5 V

3.81 mm

10.21 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

e0

26.06 mm

70 ns

MT42C4256DJ-12

Micron Technology

VIDEO DRAM

COMMERCIAL

28

SOJ

RECTANGULAR

PLASTIC/EPOXY

YES

CMOS

J BEND

110 mA

262144 words

5

5

4

SMALL OUTLINE

SOJ28,.44

Other Memory ICs

1.27 mm

70 Cel

256KX4

256K

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-J28

Not Qualified

1048576 bit

e0

.01 Amp

120 ns

MT42C4255DJ-8STR

Micron Technology

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

DUAL

2

R-PDSO-J28

5.25 V

3.66 mm

10.21 mm

Not Qualified

1048576 bit

4.75 V

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

18.44 mm

80 ns

MT43C4257ATG-8TR

Micron Technology

VIDEO DRAM

COMMERCIAL

40

TSOP2

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

GULL WING

ASYNCHRONOUS

262144 words

5

4

SMALL OUTLINE, THIN PROFILE

.8 mm

70 Cel

3-STATE

256KX4

256K

0 Cel

TIN LEAD

DUAL

3

R-PDSO-G40

5.25 V

1.2 mm

10.16 mm

Not Qualified

1048576 bit

4.75 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH; 2 X 512 X 4 SAM

e0

18.41 mm

80 ns

MT43C8128AEJ-6

Micron Technology

VIDEO DRAM

COMMERCIAL

52

QCCJ

512

SQUARE

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

210 mA

131072 words

5

5

8

CHIP CARRIER

LDCC52,.8SQ

Other Memory ICs

1.27 mm

70 Cel

3-STATE

128KX8

128K

0 Cel

TIN LEAD

QUAD

3

S-PQCC-J52

5.25 V

4.57 mm

19.1262 mm

Not Qualified

1048576 bit

4.75 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH; 2 X 256 X 8 SAM

e0

.002 Amp

19.1262 mm

60 ns

MT42C256K16C2TG-7TR

Micron Technology

VIDEO DRAM

COMMERCIAL

70

TSOP2

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

GULL WING

ASYNCHRONOUS

262144 words

5

16

SMALL OUTLINE, THIN PROFILE

.65 mm

70 Cel

256KX16

256K

0 Cel

TIN LEAD

DUAL

2

R-PDSO-G70

5.5 V

1.2 mm

10.16 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

e0

23.875 mm

70 ns

MT43C4258ATG-6TR

Micron Technology

VIDEO DRAM

COMMERCIAL

40

TSOP2

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

GULL WING

ASYNCHRONOUS

262144 words

5

4

SMALL OUTLINE, THIN PROFILE

.8 mm

70 Cel

3-STATE

256KX4

256K

0 Cel

TIN LEAD

DUAL

3

R-PDSO-G40

5.25 V

1.2 mm

10.16 mm

Not Qualified

1048576 bit

4.75 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH; 2 X 512 X 4 SAM

e0

18.41 mm

60 ns

MT43C4257ADJ-8TR

Micron Technology

VIDEO DRAM

COMMERCIAL

40

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

3

R-PDSO-J40

5.25 V

3.81 mm

10.21 mm

Not Qualified

1048576 bit

4.75 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH; 2 X 512 X 4 SAM

e0

26.06 mm

80 ns

MT42C256K16C1SG-6TR

Micron Technology

VIDEO DRAM

COMMERCIAL

64

SSOP

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

GULL WING

ASYNCHRONOUS

262144 words

5

16

SMALL OUTLINE, SHRINK PITCH

.8 mm

70 Cel

256KX16

256K

0 Cel

DUAL

2

R-PDSO-G64

5.5 V

2.38 mm

12 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

26.29 mm

60 ns

MT43C4257ATG-7

Micron Technology

VIDEO DRAM

COMMERCIAL

40

TSOP2

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

GULL WING

ASYNCHRONOUS

185 mA

262144 words

5

5

4

SMALL OUTLINE, THIN PROFILE

TSOP40/44,.46,32

Other Memory ICs

.8 mm

70 Cel

3-STATE

256KX4

256K

0 Cel

TIN LEAD

DUAL

3

R-PDSO-G40

5.25 V

1.2 mm

10.16 mm

Not Qualified

1048576 bit

4.75 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH; 2 X 512 X 4 SAM

e0

.002 Amp

18.41 mm

70 ns

MT43C8128AEJ-8

Micron Technology

VIDEO DRAM

COMMERCIAL

52

QCCJ

512

SQUARE

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

165 mA

131072 words

5

5

8

CHIP CARRIER

LDCC52,.8SQ

Other Memory ICs

1.27 mm

70 Cel

3-STATE

128KX8

128K

0 Cel

TIN LEAD

QUAD

3

S-PQCC-J52

5.25 V

4.57 mm

19.1262 mm

Not Qualified

1048576 bit

4.75 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH; 2 X 256 X 8 SAM

e0

.002 Amp

19.1262 mm

80 ns

MT42C8128TG-10

Micron Technology

VIDEO DRAM

COMMERCIAL

40

TSOP2

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

GULL WING

ASYNCHRONOUS

120 mA

131072 words

5

5

8

SMALL OUTLINE, THIN PROFILE

TSOP40/44,.46,32

Other Memory ICs

.8 mm

70 Cel

3-STATE

128KX8

128K

0 Cel

TIN LEAD

DUAL

2

R-PDSO-G40

5.5 V

1.2 mm

10.16 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH; 256 X 8 SAM PORT

e0

.008 Amp

18.41 mm

100 ns

MT43C8129AEJ-6

Micron Technology

VIDEO DRAM

COMMERCIAL

52

QCCJ

512

SQUARE

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

210 mA

131072 words

5

5

8

CHIP CARRIER

LDCC52,.8SQ

Other Memory ICs

1.27 mm

70 Cel

3-STATE

128KX8

128K

0 Cel

TIN LEAD

QUAD

3

S-PQCC-J52

5.25 V

4.57 mm

19.1262 mm

Not Qualified

1048576 bit

4.75 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH; 2 X 256 X 8 SAM

e0

.002 Amp

19.1262 mm

60 ns

MT42C4256C-10/883C

Micron Technology

VIDEO DRAM

MILITARY

28

DIP

RECTANGULAR

CERAMIC

NO

CMOS

38535Q/M;38534H;883B

THROUGH-HOLE

130 mA

262144 words

5

5

4

IN-LINE

DIP28,.4

Other Memory ICs

2.54 mm

125 Cel

256KX4

256K

-55 Cel

Tin/Lead (Sn/Pb)

DUAL

R-XDIP-T28

Not Qualified

1048576 bit

e0

.01 Amp

100 ns

MT43C4257ADJ-7

Micron Technology

VIDEO DRAM

COMMERCIAL

40

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

185 mA

262144 words

5

5

4

SMALL OUTLINE

SOJ40,.44

Other Memory ICs

1.27 mm

70 Cel

3-STATE

256KX4

256K

0 Cel

TIN LEAD

DUAL

3

R-PDSO-J40

5.25 V

3.81 mm

10.21 mm

Not Qualified

1048576 bit

4.75 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH; 2 X 512 X 4 SAM

e0

.002 Amp

26.06 mm

70 ns

MT42C4256C-12/883C

Micron Technology

VIDEO DRAM

MILITARY

28

DIP

RECTANGULAR

CERAMIC

NO

CMOS

38535Q/M;38534H;883B

THROUGH-HOLE

125 mA

262144 words

5

5

4

IN-LINE

DIP28,.4

Other Memory ICs

2.54 mm

125 Cel

256KX4

256K

-55 Cel

Tin/Lead (Sn/Pb)

DUAL

R-XDIP-T28

Not Qualified

1048576 bit

e0

.01 Amp

120 ns

MT42C8128TG-10TR

Micron Technology

VIDEO DRAM

COMMERCIAL

40

TSOP2

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

GULL WING

ASYNCHRONOUS

131072 words

5

8

SMALL OUTLINE, THIN PROFILE

.8 mm

70 Cel

3-STATE

128KX8

128K

0 Cel

TIN LEAD

DUAL

2

R-PDSO-G40

5.5 V

1.2 mm

10.16 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH; 256 X 8 SAM PORT

e0

18.41 mm

100 ns

MT42C8128DJ-8TR

Micron Technology

VIDEO DRAM

COMMERCIAL

40

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

131072 words

5

8

SMALL OUTLINE

1.27 mm

70 Cel

3-STATE

128KX8

128K

0 Cel

TIN LEAD

DUAL

2

R-PDSO-J40

5.5 V

3.81 mm

10.21 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

e0

26.06 mm

80 ns

MT42C4256Z-12

Micron Technology

VIDEO DRAM

COMMERCIAL

28

ZIP

RECTANGULAR

PLASTIC/EPOXY

NO

CMOS

THROUGH-HOLE

110 mA

262144 words

5

5

4

IN-LINE

ZIP28,.1

Other Memory ICs

1.27 mm

70 Cel

256KX4

256K

0 Cel

Tin/Lead (Sn/Pb)

ZIG-ZAG

R-PZIP-T28

Not Qualified

1048576 bit

e0

.01 Amp

120 ns

MT42C4256C-12

Micron Technology

VIDEO DRAM

COMMERCIAL

28

DIP

RECTANGULAR

CERAMIC

NO

CMOS

THROUGH-HOLE

262144 words

5

5

4

IN-LINE

DIP28(UNSPEC)

Other Memory ICs

70 Cel

256KX4

256K

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-XDIP-T28

Not Qualified

1048576 bit

e0

.001 Amp

120 ns

MT43C8129AEJ-7

Micron Technology

VIDEO DRAM

COMMERCIAL

52

QCCJ

512

SQUARE

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

200 mA

131072 words

5

5

8

CHIP CARRIER

LDCC52,.8SQ

Other Memory ICs

1.27 mm

70 Cel

3-STATE

128KX8

128K

0 Cel

TIN LEAD

QUAD

3

S-PQCC-J52

5.25 V

4.57 mm

19.1262 mm

Not Qualified

1048576 bit

4.75 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH; 2 X 256 X 8 SAM

e0

.002 Amp

19.1262 mm

70 ns

MT42C256K16C1TG-7

Micron Technology

VIDEO DRAM

COMMERCIAL

70

TSOP2

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

GULL WING

ASYNCHRONOUS

262144 words

5

16

SMALL OUTLINE, THIN PROFILE

.65 mm

70 Cel

256KX16

256K

0 Cel

TIN LEAD

DUAL

2

R-PDSO-G70

5.5 V

1.2 mm

10.16 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

e0

23.875 mm

70 ns

MT42C256K16A1SG-6TR

Micron Technology

VIDEO DRAM

COMMERCIAL

64

SOP

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

GULL WING

ASYNCHRONOUS

262144 words

5

16

SMALL OUTLINE

70 Cel

3-STATE

256KX16

256K

0 Cel

TIN LEAD

DUAL

2

R-PDSO-G64

5.5 V

Not Qualified

4194304 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH; 512 X 16 SAM PORT

e0

60 ns

MT43C8129EJ-8

Micron Technology

VIDEO DRAM

COMMERCIAL

52

QCCJ

512

SQUARE

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

220 mA

131072 words

5

5

8

CHIP CARRIER

LDCC52,.8SQ

Other Memory ICs

1.27 mm

70 Cel

3-STATE

128KX8

128K

0 Cel

TIN LEAD

QUAD

3

S-PQCC-J52

5.25 V

4.57 mm

19.1262 mm

Not Qualified

1048576 bit

4.75 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

.002 Amp

19.1262 mm

80 ns

MT42C256K16C1TG-8

Micron Technology

VIDEO DRAM

COMMERCIAL

70

TSOP2

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

GULL WING

ASYNCHRONOUS

262144 words

5

16

SMALL OUTLINE, THIN PROFILE

.65 mm

70 Cel

256KX16

256K

0 Cel

TIN LEAD

DUAL

2

R-PDSO-G70

5.5 V

1.2 mm

10.16 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

e0

23.875 mm

80 ns

MT42C4256DJ-10L

Micron Technology

VIDEO DRAM

COMMERCIAL

28

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

120 mA

262144 words

5

5

4

SMALL OUTLINE

SOJ28,.44

Other Memory ICs

1.27 mm

70 Cel

3-STATE

256KX4

256K

0 Cel

TIN LEAD

DUAL

2

R-PDSO-J28

5.5 V

3.66 mm

10.21 mm

Not Qualified

1048576 bit

4.5 V

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

e0

.0005 Amp

18.44 mm

100 ns

MT42C256K16C2SG-7

Micron Technology

VIDEO DRAM

COMMERCIAL

64

SSOP

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

GULL WING

ASYNCHRONOUS

262144 words

5

16

SMALL OUTLINE, SHRINK PITCH

.8 mm

70 Cel

256KX16

256K

0 Cel

DUAL

2

R-PDSO-G64

5.5 V

2.38 mm

12 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

26.29 mm

70 ns

MT42C256K16C1TG-8TR

Micron Technology

VIDEO DRAM

COMMERCIAL

70

TSOP2

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

GULL WING

ASYNCHRONOUS

262144 words

5

16

SMALL OUTLINE, THIN PROFILE

.65 mm

70 Cel

256KX16

256K

0 Cel

TIN LEAD

DUAL

2

R-PDSO-G70

5.5 V

1.2 mm

10.16 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

e0

23.875 mm

80 ns

MT42C4256-8

Micron Technology

VIDEO DRAM

COMMERCIAL

28

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

CMOS

THROUGH-HOLE

262144 words

5

5

4

IN-LINE

DIP28(UNSPEC)

Other Memory ICs

70 Cel

256KX4

256K

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDIP-T28

Not Qualified

1048576 bit

e0

.001 Amp

80 ns

MT42C256K16C2TG-7

Micron Technology

VIDEO DRAM

COMMERCIAL

70

TSOP2

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

GULL WING

ASYNCHRONOUS

262144 words

5

16

SMALL OUTLINE, THIN PROFILE

.65 mm

70 Cel

256KX16

256K

0 Cel

TIN LEAD

DUAL

2

R-PDSO-G70

5.5 V

1.2 mm

10.16 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

e0

23.875 mm

70 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.