PAGE MODE DRAM DRAM 684

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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

5962-8767604XA

Micron Technology

PAGE MODE DRAM

OTHER

18

QCCN

RECTANGULAR

UNSPECIFIED

PAGE

YES

1

NMOS

MIL-STD-883

NO LEAD

ASYNCHRONOUS

65536 words

5

4

CHIP CARRIER

1.27 mm

110 Cel

64KX4

64K

-55 Cel

QUAD

1

R-XQCC-N18

5.5 V

2.34 mm

7.43 mm

Not Qualified

262144 bit

4.5 V

CAS BEFORE RAS/HIDDEN REFRESH

12.26 mm

100 ns

MT1259EC-8

Micron Technology

PAGE MODE DRAM

COMMERCIAL

18

QCCN

256

RECTANGULAR

CERAMIC

YES

MOS

NO LEAD

262144 words

SEPARATE

5

5

1

CHIP CARRIER

LCC18,.3X.5

DRAMs

1.27 mm

70 Cel

3-STATE

256KX1

256K

0 Cel

Tin/Lead (Sn/Pb)

QUAD

R-XQCC-N18

Not Qualified

262144 bit

e0

80 ns

MT1258Z-15

Micron Technology

PAGE MODE DRAM

COMMERCIAL

16

ZIP

256

RECTANGULAR

PLASTIC/EPOXY

NO

MOS

THROUGH-HOLE

262144 words

SEPARATE

5

5

1

IN-LINE

ZIP16,.1

DRAMs

1.27 mm

70 Cel

3-STATE

256KX1

256K

0 Cel

Tin/Lead (Sn/Pb)

ZIG-ZAG

R-PZIP-T16

Not Qualified

262144 bit

e0

150 ns

5962-8767601VC

Micron Technology

PAGE MODE DRAM

OTHER

18

DIP

RECTANGULAR

UNSPECIFIED

PAGE

NO

1

NMOS

MIL-STD-883

THROUGH-HOLE

ASYNCHRONOUS

65536 words

5

4

IN-LINE

110 Cel

64KX4

64K

-55 Cel

DUAL

1

R-XDIP-T18

5.5 V

Not Qualified

262144 bit

4.5 V

CAS BEFORE RAS/HIDDEN REFRESH

120 ns

MT1259EJ-8

Micron Technology

PAGE MODE DRAM

COMMERCIAL

18

QCCJ

256

RECTANGULAR

PLASTIC/EPOXY

YES

MOS

J BEND

262144 words

SEPARATE

5

5

1

CHIP CARRIER

LDCC18,.33X.53

DRAMs

1.27 mm

70 Cel

3-STATE

256KX1

256K

0 Cel

Tin/Lead (Sn/Pb)

QUAD

R-PQCC-J18

Not Qualified

262144 bit

e0

80 ns

MT1259EC-12

Micron Technology

PAGE MODE DRAM

COMMERCIAL

18

QCCN

256

RECTANGULAR

CERAMIC

YES

MOS

NO LEAD

262144 words

SEPARATE

5

5

1

CHIP CARRIER

LCC18,.3X.5

DRAMs

1.27 mm

70 Cel

3-STATE

256KX1

256K

0 Cel

Tin/Lead (Sn/Pb)

QUAD

R-XQCC-N18

Not Qualified

262144 bit

e0

120 ns

5962-8767604VC

Micron Technology

PAGE MODE DRAM

OTHER

18

DIP

RECTANGULAR

UNSPECIFIED

PAGE

NO

1

NMOS

MIL-STD-883

THROUGH-HOLE

ASYNCHRONOUS

65536 words

5

4

IN-LINE

110 Cel

64KX4

64K

-55 Cel

DUAL

1

R-XDIP-T18

5.5 V

Not Qualified

262144 bit

4.5 V

CAS BEFORE RAS/HIDDEN REFRESH

100 ns

MT4264EC-15M070

Micron Technology

PAGE MODE DRAM

COMMERCIAL

18

QCCN

256

RECTANGULAR

CERAMIC

YES

MOS

MIL-STD-883 Class B (Modified)

NO LEAD

40 mA

65536 words

SEPARATE

5

5

1

CHIP CARRIER

LCC18,.3X.43

DRAMs

1.27 mm

70 Cel

3-STATE

64KX1

64K

0 Cel

Tin/Lead (Sn/Pb)

QUAD

R-XQCC-N18

Not Qualified

65536 bit

e0

150 ns

5962-8767603XA

Micron Technology

PAGE MODE DRAM

OTHER

18

QCCN

RECTANGULAR

UNSPECIFIED

PAGE

YES

1

NMOS

MIL-STD-883

NO LEAD

ASYNCHRONOUS

65536 words

5

4

CHIP CARRIER

1.27 mm

110 Cel

64KX4

64K

-55 Cel

QUAD

1

R-XQCC-N18

5.5 V

2.34 mm

7.43 mm

Not Qualified

262144 bit

4.5 V

CAS BEFORE RAS/HIDDEN REFRESH

12.26 mm

200 ns

5962-01-317-6623

Micron Technology

PAGE MODE DRAM

OTHER

16

DFP

256

RECTANGULAR

CERAMIC

YES

MOS

38535Q/M;38534H;883B

FLAT

40 mA

65536 words

SEPARATE

5

5

1

FLATPACK

FL16,.3

DRAMs

1.27 mm

110 Cel

3-STATE

64KX1

64K

-55 Cel

DUAL

R-XDFP-F16

Not Qualified

65536 bit

120 ns

5962-8767601XX

Micron Technology

PAGE MODE DRAM

OTHER

18

QCCN

RECTANGULAR

UNSPECIFIED

PAGE

YES

1

NMOS

MIL-STD-883

NO LEAD

ASYNCHRONOUS

65536 words

5

4

CHIP CARRIER

1.27 mm

110 Cel

64KX4

64K

-55 Cel

QUAD

1

R-XQCC-N18

5.5 V

2.34 mm

7.43 mm

Not Qualified

262144 bit

4.5 V

CAS BEFORE RAS/HIDDEN REFRESH

12.26 mm

120 ns

MT1259Z-12

Micron Technology

PAGE MODE DRAM

COMMERCIAL

16

ZIP

256

RECTANGULAR

PLASTIC/EPOXY

NO

MOS

THROUGH-HOLE

55 mA

262144 words

SEPARATE

5

5

1

IN-LINE

ZIP16,.1

DRAMs

1.27 mm

70 Cel

3-STATE

256KX1

256K

0 Cel

Tin/Lead (Sn/Pb)

ZIG-ZAG

R-PZIP-T16

Not Qualified

262144 bit

e0

120 ns

5962-8767601VX

Micron Technology

PAGE MODE DRAM

OTHER

18

DIP

RECTANGULAR

UNSPECIFIED

PAGE

NO

1

NMOS

MIL-STD-883

THROUGH-HOLE

ASYNCHRONOUS

65536 words

5

4

IN-LINE

110 Cel

64KX4

64K

-55 Cel

DUAL

1

R-XDIP-T18

5.5 V

Not Qualified

262144 bit

4.5 V

CAS BEFORE RAS/HIDDEN REFRESH

120 ns

MT1259Z-15

Micron Technology

PAGE MODE DRAM

COMMERCIAL

16

ZIP

256

RECTANGULAR

PLASTIC/EPOXY

NO

MOS

THROUGH-HOLE

45 mA

262144 words

SEPARATE

5

5

1

IN-LINE

ZIP16,.1

DRAMs

1.27 mm

70 Cel

3-STATE

256KX1

256K

0 Cel

Tin/Lead (Sn/Pb)

ZIG-ZAG

R-PZIP-T16

Not Qualified

262144 bit

e0

150 ns

5962-8767602XX

Micron Technology

PAGE MODE DRAM

OTHER

18

QCCN

RECTANGULAR

UNSPECIFIED

PAGE

YES

1

NMOS

MIL-STD-883

NO LEAD

ASYNCHRONOUS

65536 words

5

4

CHIP CARRIER

1.27 mm

110 Cel

64KX4

64K

-55 Cel

QUAD

1

R-XQCC-N18

5.5 V

2.34 mm

7.43 mm

Not Qualified

262144 bit

4.5 V

CAS BEFORE RAS/HIDDEN REFRESH

12.26 mm

150 ns

MT1259EJ-12

Micron Technology

PAGE MODE DRAM

COMMERCIAL

18

QCCJ

256

RECTANGULAR

PLASTIC/EPOXY

YES

MOS

J BEND

55 mA

262144 words

SEPARATE

5

5

1

CHIP CARRIER

LDCC18,.33X.53

DRAMs

1.27 mm

70 Cel

3-STATE

256KX1

256K

0 Cel

Tin/Lead (Sn/Pb)

QUAD

R-PQCC-J18

Not Qualified

262144 bit

e0

120 ns

MT1259EC-15M070

Micron Technology

PAGE MODE DRAM

COMMERCIAL

18

QCCN

256

RECTANGULAR

CERAMIC

YES

MOS

MIL-STD-883 Class B (Modified)

NO LEAD

55 mA

262144 words

SEPARATE

5

5

1

CHIP CARRIER

LCC18,.3X.5

DRAMs

1.27 mm

70 Cel

3-STATE

256KX1

256K

0 Cel

Tin/Lead (Sn/Pb)

QUAD

R-XQCC-N18

Not Qualified

262144 bit

e0

150 ns

5962-8767603VX

Micron Technology

PAGE MODE DRAM

OTHER

18

DIP

RECTANGULAR

UNSPECIFIED

PAGE

NO

1

NMOS

MIL-STD-883

THROUGH-HOLE

ASYNCHRONOUS

65536 words

5

4

IN-LINE

110 Cel

64KX4

64K

-55 Cel

DUAL

1

R-XDIP-T18

5.5 V

Not Qualified

262144 bit

4.5 V

CAS BEFORE RAS/HIDDEN REFRESH

200 ns

MT8257M-20

Micron Technology

PAGE MODE DRAM

COMMERCIAL

30

SIMM

256

RECTANGULAR

PLASTIC/EPOXY

NO

MOS

NO LEAD

262144 words

COMMON

5

5

8

MICROELECTRONIC ASSEMBLY

SIM30

DRAMs

2.54 mm

70 Cel

3-STATE

256KX8

256K

0 Cel

SINGLE

R-PSMA-N30

16.51 mm

Not Qualified

2097152 bit

200 ns

MT1259-10

Micron Technology

PAGE MODE DRAM

COMMERCIAL

16

DIP

256

RECTANGULAR

PLASTIC/EPOXY

NO

MOS

THROUGH-HOLE

55 mA

262144 words

SEPARATE

5

5

1

IN-LINE

DIP16,.3

DRAMs

2.54 mm

70 Cel

3-STATE

256KX1

256K

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDIP-T16

Not Qualified

262144 bit

e0

100 ns

MT1259C-8XT

Micron Technology

PAGE MODE DRAM

OTHER

16

DIP

256

RECTANGULAR

CERAMIC

NO

MOS

THROUGH-HOLE

65 mA

262144 words

SEPARATE

5

5

1

IN-LINE

DIP16,.3

DRAMs

2.54 mm

110 Cel

3-STATE

256KX1

256K

-55 Cel

Tin/Lead (Sn/Pb)

DUAL

R-XDIP-T16

Not Qualified

262144 bit

e0

80 ns

MT4264EC-10M070

Micron Technology

PAGE MODE DRAM

COMMERCIAL

18

QCCN

256

RECTANGULAR

CERAMIC

YES

MOS

MIL-STD-883 Class B (Modified)

NO LEAD

40 mA

65536 words

SEPARATE

5

5

1

CHIP CARRIER

LCC18,.3X.43

DRAMs

1.27 mm

70 Cel

3-STATE

64KX1

64K

0 Cel

Tin/Lead (Sn/Pb)

QUAD

R-XQCC-N18

Not Qualified

65536 bit

e0

100 ns

5962-8767601VA

Micron Technology

PAGE MODE DRAM

OTHER

18

DIP

RECTANGULAR

CERAMIC, GLASS-SEALED

NO

1

CMOS

MIL-STD-883

THROUGH-HOLE

ASYNCHRONOUS

65536 words

5

4

IN-LINE

110 Cel

64KX4

64K

-55 Cel

DUAL

1

R-GDIP-T18

5.5 V

Not Qualified

262144 bit

4.5 V

120 ns

MT3D2569M-8

Micron Technology

PAGE MODE DRAM

COMMERCIAL

30

SIMM

512

RECTANGULAR

PLASTIC/EPOXY

NO

CMOS

NO LEAD

210 mA

262144 words

COMMON

5

5

9

MICROELECTRONIC ASSEMBLY

SIM30

DRAMs

2.54 mm

70 Cel

3-STATE

256KX9

256K

0 Cel

SINGLE

R-PSMA-N30

12.1412 mm

Not Qualified

2359296 bit

.003 Amp

80 ns

MT1258C-12

Micron Technology

PAGE MODE DRAM

COMMERCIAL

16

DIP

256

RECTANGULAR

CERAMIC

NO

MOS

THROUGH-HOLE

262144 words

SEPARATE

5

5

1

IN-LINE

DIP16,.3

DRAMs

2.54 mm

70 Cel

3-STATE

256KX1

256K

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-XDIP-T16

Not Qualified

262144 bit

e0

120 ns

MT1258Z-20

Micron Technology

PAGE MODE DRAM

COMMERCIAL

16

ZIP

256

RECTANGULAR

PLASTIC/EPOXY

NO

MOS

THROUGH-HOLE

262144 words

SEPARATE

5

5

1

IN-LINE

ZIP16,.1

DRAMs

1.27 mm

70 Cel

3-STATE

256KX1

256K

0 Cel

Tin/Lead (Sn/Pb)

ZIG-ZAG

R-PZIP-T16

Not Qualified

262144 bit

e0

200 ns

MT1258-12

Micron Technology

PAGE MODE DRAM

COMMERCIAL

16

DIP

256

RECTANGULAR

PLASTIC/EPOXY

NO

MOS

THROUGH-HOLE

262144 words

SEPARATE

5

5

1

IN-LINE

DIP16,.3

DRAMs

2.54 mm

70 Cel

3-STATE

256KX1

256K

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDIP-T16

Not Qualified

262144 bit

e0

120 ns

MT1258-20

Micron Technology

PAGE MODE DRAM

COMMERCIAL

16

DIP

256

RECTANGULAR

PLASTIC/EPOXY

NO

MOS

THROUGH-HOLE

262144 words

SEPARATE

5

5

1

IN-LINE

DIP16,.3

DRAMs

2.54 mm

70 Cel

3-STATE

256KX1

256K

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDIP-T16

Not Qualified

262144 bit

e0

200 ns

MT1258Z-12

Micron Technology

PAGE MODE DRAM

COMMERCIAL

16

ZIP

256

RECTANGULAR

PLASTIC/EPOXY

NO

MOS

THROUGH-HOLE

262144 words

SEPARATE

5

5

1

IN-LINE

ZIP16,.1

DRAMs

1.27 mm

70 Cel

3-STATE

256KX1

256K

0 Cel

Tin/Lead (Sn/Pb)

ZIG-ZAG

R-PZIP-T16

Not Qualified

262144 bit

e0

120 ns

MT4264C-12

Micron Technology

PAGE MODE DRAM

COMMERCIAL

16

DIP

256

RECTANGULAR

CERAMIC

NO

MOS

THROUGH-HOLE

30 mA

65536 words

SEPARATE

5

5

1

IN-LINE

DIP16,.3

DRAMs

2.54 mm

70 Cel

3-STATE

64KX1

64K

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-XDIP-T16

Not Qualified

65536 bit

e0

120 ns

MT3D2569M-10

Micron Technology

PAGE MODE DRAM

COMMERCIAL

30

SIMM

512

RECTANGULAR

PLASTIC/EPOXY

NO

CMOS

NO LEAD

180 mA

262144 words

COMMON

5

5

9

MICROELECTRONIC ASSEMBLY

SIM30

DRAMs

2.54 mm

70 Cel

3-STATE

256KX9

256K

0 Cel

SINGLE

R-PSMA-N30

12.1412 mm

Not Qualified

2359296 bit

.003 Amp

100 ns

MT4264C-12M070

Micron Technology

PAGE MODE DRAM

COMMERCIAL

16

DIP

256

RECTANGULAR

CERAMIC

NO

MOS

MIL-STD-883 Class B (Modified)

THROUGH-HOLE

40 mA

65536 words

SEPARATE

5

5

1

IN-LINE

DIP16,.3

DRAMs

2.54 mm

70 Cel

3-STATE

64KX1

64K

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-XDIP-T16

Not Qualified

65536 bit

e0

120 ns

MT88512DM-20

Micron Technology

PAGE MODE DRAM

COMMERCIAL

30

SIMM

256

RECTANGULAR

PLASTIC/EPOXY

NO

MOS

NO LEAD

810 mA

524288 words

COMMON

8

MICROELECTRONIC ASSEMBLY

SIM30

DRAMs

2.54 mm

70 Cel

3-STATE

512KX8

512K

0 Cel

SINGLE

R-PSMA-N30

Not Qualified

4194304 bit

200 ns

MT1259EC-12/883C

Micron Technology

PAGE MODE DRAM

OTHER

18

QCCN

256

RECTANGULAR

CERAMIC

YES

MOS

38535Q/M;38534H;883B

NO LEAD

55 mA

262144 words

SEPARATE

5

5

1

CHIP CARRIER

LCC18,.3X.5

DRAMs

1.27 mm

110 Cel

3-STATE

256KX1

256K

-55 Cel

Tin/Lead (Sn/Pb)

QUAD

R-XQCC-N18

Not Qualified

262144 bit

e0

120 ns

MT1259EC-12XT

Micron Technology

PAGE MODE DRAM

MILITARY

QCCN

256

CERAMIC

YES

MOS

NO LEAD

262144 words

SEPARATE

5

5

1

CHIP CARRIER

LCC(UNSPEC)

DRAMs

125 Cel

3-STATE

256KX1

256K

-55 Cel

Tin/Lead (Sn/Pb)

QUAD

Not Qualified

262144 bit

e0

120 ns

MT4264-20

Micron Technology

PAGE MODE DRAM

COMMERCIAL

16

DIP

256

RECTANGULAR

PLASTIC/EPOXY

NO

MOS

THROUGH-HOLE

30 mA

65536 words

SEPARATE

5

5

1

IN-LINE

DIP16,.3

DRAMs

2.54 mm

70 Cel

3-STATE

64KX1

64K

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDIP-T16

Not Qualified

65536 bit

e0

200 ns

MT4264-10

Micron Technology

PAGE MODE DRAM

COMMERCIAL

16

DIP

256

RECTANGULAR

PLASTIC/EPOXY

NO

MOS

THROUGH-HOLE

30 mA

65536 words

SEPARATE

5

5

1

IN-LINE

DIP16,.3

DRAMs

2.54 mm

70 Cel

3-STATE

64KX1

64K

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDIP-T16

Not Qualified

65536 bit

e0

100 ns

MT1259EJ-20

Micron Technology

PAGE MODE DRAM

COMMERCIAL

18

QCCJ

256

RECTANGULAR

PLASTIC/EPOXY

YES

MOS

J BEND

262144 words

SEPARATE

5

5

1

CHIP CARRIER

LDCC18,.33X.53

DRAMs

1.27 mm

70 Cel

3-STATE

256KX1

256K

0 Cel

Tin/Lead (Sn/Pb)

QUAD

R-PQCC-J18

Not Qualified

262144 bit

e0

200 ns

MT1259EC-10XT

Micron Technology

PAGE MODE DRAM

MILITARY

QCCN

256

CERAMIC

YES

MOS

NO LEAD

262144 words

SEPARATE

5

5

1

CHIP CARRIER

LCC(UNSPEC)

DRAMs

125 Cel

3-STATE

256KX1

256K

-55 Cel

Tin/Lead (Sn/Pb)

QUAD

Not Qualified

262144 bit

e0

100 ns

MT1259C-10XT

Micron Technology

PAGE MODE DRAM

MILITARY

16

DIP

256

RECTANGULAR

CERAMIC

NO

MOS

THROUGH-HOLE

262144 words

SEPARATE

5

5

1

IN-LINE

DIP16,.3

DRAMs

2.54 mm

125 Cel

3-STATE

256KX1

256K

-55 Cel

Tin/Lead (Sn/Pb)

DUAL

R-XDIP-T16

Not Qualified

262144 bit

e0

100 ns

MT1259EJ-15

Micron Technology

PAGE MODE DRAM

COMMERCIAL

18

QCCJ

256

RECTANGULAR

PLASTIC/EPOXY

YES

MOS

J BEND

45 mA

262144 words

SEPARATE

5

5

1

CHIP CARRIER

LDCC18,.33X.53

DRAMs

1.27 mm

70 Cel

3-STATE

256KX1

256K

0 Cel

Tin/Lead (Sn/Pb)

QUAD

R-PQCC-J18

Not Qualified

262144 bit

e0

150 ns

MT1259C-10M070

Micron Technology

PAGE MODE DRAM

COMMERCIAL

16

DIP

256

RECTANGULAR

CERAMIC

NO

MOS

MIL-STD-883 Class B (Modified)

THROUGH-HOLE

55 mA

262144 words

SEPARATE

5

5

1

IN-LINE

DIP16,.3

DRAMs

2.54 mm

70 Cel

3-STATE

256KX1

256K

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-XDIP-T16

Not Qualified

262144 bit

e0

100 ns

MT4264EC-12M070

Micron Technology

PAGE MODE DRAM

COMMERCIAL

18

QCCN

256

RECTANGULAR

CERAMIC

YES

MOS

MIL-STD-883 Class B (Modified)

NO LEAD

40 mA

65536 words

SEPARATE

5

5

1

CHIP CARRIER

LCC18,.3X.43

DRAMs

1.27 mm

70 Cel

3-STATE

64KX1

64K

0 Cel

Tin/Lead (Sn/Pb)

QUAD

R-XQCC-N18

Not Qualified

65536 bit

e0

120 ns

MT1259C-8

Micron Technology

PAGE MODE DRAM

COMMERCIAL

16

DIP

256

RECTANGULAR

CERAMIC

NO

MOS

THROUGH-HOLE

262144 words

SEPARATE

5

5

1

IN-LINE

DIP16,.3

DRAMs

2.54 mm

70 Cel

3-STATE

256KX1

256K

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-XDIP-T16

Not Qualified

262144 bit

e0

80 ns

MT4259M-12

Micron Technology

PAGE MODE DRAM

COMMERCIAL

256

PLASTIC/EPOXY

NO

MOS

262144 words

SEPARATE

5

5

4

SIP(UNSPEC)

DRAMs

70 Cel

3-STATE

256KX4

256K

0 Cel

Tin/Lead (Sn/Pb)

SINGLE

Not Qualified

1048576 bit

e0

120 ns

MT1258C-20

Micron Technology

PAGE MODE DRAM

COMMERCIAL

16

DIP

256

RECTANGULAR

CERAMIC

NO

MOS

THROUGH-HOLE

262144 words

SEPARATE

5

5

1

IN-LINE

DIP16,.3

DRAMs

2.54 mm

70 Cel

3-STATE

256KX1

256K

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-XDIP-T16

Not Qualified

262144 bit

e0

200 ns

MT1259C-20XT

Micron Technology

PAGE MODE DRAM

MILITARY

16

DIP

256

RECTANGULAR

CERAMIC

NO

MOS

THROUGH-HOLE

262144 words

SEPARATE

5

5

1

IN-LINE

DIP16,.3

DRAMs

2.54 mm

125 Cel

3-STATE

256KX1

256K

-55 Cel

Tin/Lead (Sn/Pb)

DUAL

R-XDIP-T16

Not Qualified

262144 bit

e0

200 ns

MT4264F-12M070

Micron Technology

PAGE MODE DRAM

COMMERCIAL

16

DFP

256

RECTANGULAR

CERAMIC

YES

MOS

MIL-STD-883 Class B (Modified)

FLAT

40 mA

65536 words

SEPARATE

5

5

1

FLATPACK

FL16,.3

DRAMs

1.27 mm

70 Cel

3-STATE

64KX1

64K

0 Cel

Tin/Lead (Sn/Pb)

DUAL

R-XDFP-F16

Not Qualified

65536 bit

e0

120 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.