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

KM424C256AJ-10

Samsung

VIDEO DRAM

COMMERCIAL

28

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

140 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

3.76 mm

10.16 mm

Not Qualified

1048576 bit

4.5 V

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

e0

.005 Amp

18.42 mm

100 ns

KM418C256BLLJ-6

Samsung

FAST PAGE DRAM

COMMERCIAL

40

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

95 mA

262144 words

YES

COMMON

5

5

18

SMALL OUTLINE

SOJ40,.44

DRAMs

1.27 mm

70 Cel

3-STATE

256KX18

256K

0 Cel

Tin/Lead (Sn/Pb)

DUAL

1

R-PDSO-J40

5.5 V

3.56 mm

10.16 mm

Not Qualified

4718592 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN/SELF REFRESH

e0

.00015 Amp

25.535 mm

60 ns

KMM481000-12

Samsung

FAST PAGE DRAM MODULE

COMMERCIAL

30

512

PLASTIC/EPOXY

NO

CMOS

400 mA

1048576 words

COMMON

5

5

8

SIP30,.2

DRAMs

2.54 mm

70 Cel

3-STATE

1MX8

1M

0 Cel

TIN LEAD

SINGLE

3

Not Qualified

8388608 bit

e0

.008 Amp

120 ns

KM41C1000CSLTR-8

Samsung

FAST PAGE DRAM

COMMERCIAL

20

TSOP2-R

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

GULL WING

ASYNCHRONOUS

60 mA

1048576 words

SEPARATE

5

5

1

SMALL OUTLINE, THIN PROFILE

TSSOP20/26,.36

DRAMs

1.27 mm

70 Cel

YES

3-STATE

1MX1

1M

0 Cel

Tin/Lead (Sn/Pb)

DUAL

1

R-PDSO-G20

5.5 V

1.2 mm

7.62 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

.0001 Amp

17.14 mm

80 ns

KM418C256LLZ-7

Samsung

FAST PAGE DRAM

COMMERCIAL

40

ZIP

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

NO

1

CMOS

THROUGH-HOLE

ASYNCHRONOUS

150 mA

262144 words

YES

COMMON

5

5

18

IN-LINE

ZIP40,.1

DRAMs

1.27 mm

70 Cel

3-STATE

256KX18

256K

0 Cel

TIN LEAD

ZIG-ZAG

1

R-PZIP-T40

5.5 V

12.07 mm

2.96 mm

Not Qualified

4718592 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN/SELF REFRESH

e0

.0001 Amp

70 ns

KMM536256CG-8

Samsung

FAST PAGE DRAM MODULE

COMMERCIAL

72

SIMM

512

RECTANGULAR

UNSPECIFIED

FAST PAGE

NO

1

CMOS

NO LEAD

ASYNCHRONOUS

720 mA

262144 words

COMMON

5

5

36

MICROELECTRONIC ASSEMBLY

SSIM72

DRAMs

1.27 mm

70 Cel

3-STATE

256KX36

256K

0 Cel

SINGLE

1

R-XSMA-N72

5.5 V

25.4 mm

Not Qualified

9437184 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

.012 Amp

80 ns

KM44C256CSLT-7

Samsung

FAST PAGE DRAM

COMMERCIAL

20

TSOP2

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

GULL WING

ASYNCHRONOUS

65 mA

262144 words

COMMON

5

5

4

SMALL OUTLINE, THIN PROFILE

TSSOP20/26,.36

DRAMs

1.27 mm

70 Cel

3-STATE

256KX4

256K

0 Cel

Tin/Lead (Sn/Pb)

DUAL

1

R-PDSO-G20

5.5 V

1.2 mm

7.62 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

.0001 Amp

17.14 mm

70 ns

KM416C256BJ-L6

Samsung

FAST PAGE DRAM

COMMERCIAL

40

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

90 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

DUAL

1

R-PDSO-J40

5.5 V

3.76 mm

10.16 mm

Not Qualified

4194304 bit

4.5 V

e0

.00015 Amp

26.04 mm

60 ns

KM418C256BLLJ-8

Samsung

FAST PAGE DRAM

COMMERCIAL

40

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

80 mA

262144 words

YES

COMMON

5

5

18

SMALL OUTLINE

SOJ40,.44

DRAMs

1.27 mm

70 Cel

3-STATE

256KX18

256K

0 Cel

Tin/Lead (Sn/Pb)

DUAL

1

R-PDSO-J40

5.5 V

3.56 mm

10.16 mm

Not Qualified

4718592 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN/SELF REFRESH

e0

.00015 Amp

25.535 mm

80 ns

KM44C256DJ-L8

Samsung

FAST PAGE DRAM

COMMERCIAL

20

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

50 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

DUAL

1

R-PDSO-J20

5.5 V

3.76 mm

7.62 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

.0001 Amp

17.145 mm

80 ns

KM4216C256T-8

Samsung

VIDEO DRAM

COMMERCIAL

64

TSOP2

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE WITH EDO

YES

1

CMOS

GULL WING

ASYNCHRONOUS

262144 words

5

16

SMALL OUTLINE, THIN PROFILE

.65 mm

70 Cel

3-STATE

256KX16

256K

0 Cel

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; 512 X 16 SAM PORT

23.49 mm

80 ns

KM416C156BJ-5

Samsung

FAST PAGE DRAM

COMMERCIAL

40

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

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

1

R-PDSO-J40

5.25 V

3.56 mm

10.16 mm

Not Qualified

4194304 bit

4.75 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

.001 Amp

25.535 mm

50 ns

KM44C258BJ-7

Samsung

STATIC COLUMN DRAM

COMMERCIAL

20

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

STATIC COLUMN

YES

1

CMOS

J BEND

ASYNCHRONOUS

80 mA

262144 words

COMMON

5

5

4

SMALL OUTLINE

SOJ20/26,.34

SRAMs

1.27 mm

70 Cel

3-STATE

256KX4

256K

0 Cel

TIN LEAD

DUAL

1

R-PDSO-J20

5.5 V

3.68 mm

7.62 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

.001 Amp

17.145 mm

70 ns

KM4216V257GL-6

Samsung

VIDEO DRAM

COMMERCIAL

64

SSOP

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

GULL WING

ASYNCHRONOUS

262144 words

3.3

16

SMALL OUTLINE, SHRINK PITCH

.8 mm

70 Cel

3-STATE

256KX16

256K

0 Cel

DUAL

2

R-PDSO-G64

3.6 V

3 mm

11.43 mm

Not Qualified

4194304 bit

3 V

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

26.03 mm

60 ns

KM44C258BP-10

Samsung

STATIC COLUMN DRAM

COMMERCIAL

20

DIP

512

RECTANGULAR

PLASTIC/EPOXY

STATIC COLUMN

NO

1

CMOS

THROUGH-HOLE

ASYNCHRONOUS

60 mA

262144 words

COMMON

5

5

4

IN-LINE

DIP20,.3

SRAMs

2.54 mm

70 Cel

3-STATE

256KX4

256K

0 Cel

TIN LEAD

DUAL

1

R-PDIP-T20

5.5 V

4.65 mm

7.62 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

.001 Amp

24.56 mm

100 ns

KM4216C256RL-7

Samsung

VIDEO DRAM

COMMERCIAL

64

TSOP2-R

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE WITH EDO

YES

1

CMOS

GULL WING

ASYNCHRONOUS

262144 words

5

16

SMALL OUTLINE, THIN PROFILE

.65 mm

70 Cel

3-STATE

256KX16

256K

0 Cel

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; 512 X 16 SAM PORT

23.49 mm

70 ns

KM416V254DJ-6

Samsung

EDO DRAM

COMMERCIAL

40

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE WITH EDO

YES

1

CMOS

J BEND

ASYNCHRONOUS

70 mA

262144 words

NO

COMMON

3.3

3.3

16

SMALL OUTLINE

SOJ40,.44

DRAMs

1.27 mm

70 Cel

3-STATE

256KX16

256K

0 Cel

TIN LEAD

DUAL

1

R-PDSO-J40

3.6 V

3.76 mm

10.16 mm

Not Qualified

4194304 bit

3 V

CAS BEFORE RAS/RAS ONLY/HIDDEN REFRESH

e0

.0005 Amp

26.04 mm

60 ns

KM416V254BT-7

Samsung

EDO DRAM

COMMERCIAL

40

TSOP2

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE WITH EDO

YES

1

CMOS

GULL WING

ASYNCHRONOUS

65 mA

262144 words

NO

COMMON

3.3

3.3

16

SMALL OUTLINE, THIN PROFILE

TSOP40/44,.46,32

DRAMs

.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/HIDDEN REFRESH

e0

.0005 Amp

18.41 mm

70 ns

KM416C256BLTR-6

Samsung

FAST PAGE DRAM

COMMERCIAL

40

TSOP2-R

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

GULL WING

ASYNCHRONOUS

90 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

1

R-PDSO-G40

5.5 V

1.2 mm

10.16 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN/SELF REFRESH

e0

.0002 Amp

18.41 mm

60 ns

KM41C1002BJ-7

Samsung

STATIC COLUMN DRAM

COMMERCIAL

20

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

STATIC COLUMN

YES

1

CMOS

J BEND

ASYNCHRONOUS

80 mA

1048576 words

SEPARATE

5

5

1

SMALL OUTLINE

SOJ20/26,.34

SRAMs

1.27 mm

70 Cel

3-STATE

1MX1

1M

0 Cel

TIN LEAD

DUAL

1

R-PDSO-J20

5.5 V

3.68 mm

7.62 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

.001 Amp

17.145 mm

70 ns

KM416V256DT-L8

Samsung

FAST PAGE DRAM

COMMERCIAL

40

TSOP

512

RECTANGULAR

PLASTIC/EPOXY

YES

CMOS

GULL WING

75 mA

262144 words

YES

COMMON

3.3

3.3

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

.0001 Amp

80 ns

KM418C256BLLT-7

Samsung

FAST PAGE DRAM

COMMERCIAL

40

TSOP2

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

GULL WING

ASYNCHRONOUS

85 mA

262144 words

YES

COMMON

5

5

18

SMALL OUTLINE, THIN PROFILE

TSOP40/44,.46,32

DRAMs

.8 mm

70 Cel

3-STATE

256KX18

256K

0 Cel

Tin/Lead (Sn/Pb)

DUAL

1

R-PDSO-G40

5.5 V

1.2 mm

10.16 mm

Not Qualified

4718592 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN/SELF REFRESH

e0

.00015 Amp

18.41 mm

70 ns

KM416C256D-J6

Samsung

FAST PAGE DRAM

COMMERCIAL

40

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

90 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

1

R-PDSO-J40

5.5 V

3.76 mm

10.16 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

.001 Amp

26.04 mm

60 ns

KM416C256DLT-5

Samsung

FAST PAGE DRAM

COMMERCIAL

40

TSOP2

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

GULL WING

ASYNCHRONOUS

110 mA

262144 words

YES

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

DUAL

1

R-PDSO-G40

5.5 V

1.2 mm

10.16 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH/SELF REFRESH

e0

.00015 Amp

18.41 mm

50 ns

KM4216C257R-8

Samsung

VIDEO DRAM

COMMERCIAL

64

TSOP2-R

512

RECTANGULAR

PLASTIC/EPOXY

FAST 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

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; 512 X 16 SAM PORT

23.49 mm

80 ns

KM418C256BT-6

Samsung

FAST PAGE DRAM

COMMERCIAL

40

TSOP2

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

GULL WING

ASYNCHRONOUS

95 mA

262144 words

NO

COMMON

5

5

18

SMALL OUTLINE, THIN PROFILE

TSOP40/44,.46,32

DRAMs

.8 mm

70 Cel

3-STATE

256KX18

256K

0 Cel

Tin/Lead (Sn/Pb)

DUAL

1

R-PDSO-G40

5.5 V

1.2 mm

10.16 mm

Not Qualified

4718592 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

.001 Amp

18.41 mm

60 ns

KM41C1001BZ-10

Samsung

NIBBLE MODE DRAM

COMMERCIAL

19

ZIP

512

RECTANGULAR

PLASTIC/EPOXY

NIBBLE

NO

1

CMOS

THROUGH-HOLE

ASYNCHRONOUS

65 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

ZIG-ZAG

1

R-PZIP-T19

5.5 V

10.16 mm

2.96 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

.001 Amp

26.165 mm

100 ns

KM41C1000BLJ-6

Samsung

FAST PAGE DRAM

COMMERCIAL

20

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

90 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

DUAL

1

R-PDSO-J20

5.5 V

3.68 mm

7.62 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

.0002 Amp

17.145 mm

60 ns

KM416C254DJ-7

Samsung

EDO DRAM

COMMERCIAL

40

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE WITH EDO

YES

1

CMOS

J BEND

ASYNCHRONOUS

80 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

DUAL

1

R-PDSO-J40

5.5 V

3.76 mm

10.16 mm

Not Qualified

4194304 bit

4.5 V

CAS BEFORE RAS/RAS ONLY/HIDDEN REFRESH

e0

.001 Amp

26.04 mm

70 ns

KM41C1001BJ-7

Samsung

NIBBLE MODE DRAM

COMMERCIAL

20

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

NIBBLE

YES

1

CMOS

J BEND

ASYNCHRONOUS

85 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

DUAL

1

R-PDSO-J20

5.5 V

3.68 mm

7.62 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

.001 Amp

17.145 mm

70 ns

KM416C156BJ-6

Samsung

FAST PAGE DRAM

COMMERCIAL

40

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

90 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

1

R-PDSO-J40

5.5 V

3.56 mm

10.16 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

.001 Amp

25.535 mm

60 ns

KM418C256ALT-6

Samsung

FAST PAGE DRAM

COMMERCIAL

40

TSOP2

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

GULL WING

ASYNCHRONOUS

130 mA

262144 words

NO

COMMON

5

5

18

SMALL OUTLINE, THIN PROFILE

TSOP40/44,.46,32

DRAMs

.8 mm

70 Cel

3-STATE

256KX18

256K

0 Cel

TIN LEAD

DUAL

1

R-PDSO-G40

5.5 V

1.2 mm

10.16 mm

Not Qualified

4718592 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

e0

.0002 Amp

18.41 mm

60 ns

KMM532512BW-7

Samsung

FAST PAGE DRAM MODULE

COMMERCIAL

72

512

RECTANGULAR

UNSPECIFIED

FAST PAGE

NO

1

CMOS

NO LEAD

ASYNCHRONOUS

524288 words

5

32

MICROELECTRONIC ASSEMBLY

16

70 Cel

3-STATE

512KX32

512K

0 Cel

SINGLE

1

R-XSMA-N72

5.5 V

Not Qualified

16777216 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

70 ns

KM4216C257T-7

Samsung

VIDEO DRAM

COMMERCIAL

64

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

3-STATE

256KX16

256K

0 Cel

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; 512 X 16 SAM PORT

23.49 mm

70 ns

KM41C1000CZ-6

Samsung

FAST PAGE DRAM

COMMERCIAL

20

ZIP

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

NO

1

CMOS

THROUGH-HOLE

ASYNCHRONOUS

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

1

R-PZIP-T20

5.5 V

10.16 mm

2.96 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

.001 Amp

26.165 mm

60 ns

KM416C156BJ-7

Samsung

FAST PAGE DRAM

COMMERCIAL

40

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

80 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

1

R-PDSO-J40

5.5 V

3.56 mm

10.16 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

.001 Amp

25.535 mm

70 ns

KM416C256LLZ-7

Samsung

FAST PAGE DRAM

COMMERCIAL

40

ZIP

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

NO

1

CMOS

THROUGH-HOLE

ASYNCHRONOUS

145 mA

262144 words

YES

COMMON

5

5

16

IN-LINE

ZIP40,.1

DRAMs

1.27 mm

70 Cel

3-STATE

256KX16

256K

0 Cel

TIN LEAD

ZIG-ZAG

1

R-PZIP-T40

5.5 V

12.07 mm

2.96 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN/SELF REFRESH

e0

.0001 Amp

70 ns

KM416C156BLJ-8

Samsung

FAST PAGE DRAM

COMMERCIAL

40

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

75 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

1

R-PDSO-J40

5.5 V

3.56 mm

10.16 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

.0002 Amp

25.535 mm

80 ns

KM44C258P-12

Samsung

STATIC COLUMN DRAM

COMMERCIAL

20

DIP

512

RECTANGULAR

PLASTIC/EPOXY

NO

CMOS

THROUGH-HOLE

262144 words

COMMON

5

5

4

IN-LINE

DIP20,.3

SRAMs

2.54 mm

70 Cel

3-STATE

256KX4

256K

0 Cel

TIN LEAD

DUAL

R-PDIP-T20

3

Not Qualified

1048576 bit

e0

120 ns

KM416C256D-T6

Samsung

FAST PAGE DRAM

COMMERCIAL

40

TSOP2

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

GULL WING

ASYNCHRONOUS

90 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

1

R-PDSO-G40

5.5 V

1.2 mm

10.16 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

.001 Amp

18.41 mm

60 ns

KM4216V257TL-6

Samsung

VIDEO DRAM

COMMERCIAL

64

TSOP2

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

GULL WING

ASYNCHRONOUS

262144 words

3.3

16

SMALL OUTLINE, THIN PROFILE

.65 mm

70 Cel

3-STATE

256KX16

256K

0 Cel

DUAL

2

R-PDSO-G64

3.6 V

1.2 mm

10.16 mm

Not Qualified

4194304 bit

3 V

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

23.49 mm

60 ns

KM416V256AJ-7

Samsung

FAST PAGE DRAM

COMMERCIAL

40

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

90 mA

262144 words

NO

COMMON

3.3

3.3

16

SMALL OUTLINE

SOJ40,.44

DRAMs

1.27 mm

70 Cel

3-STATE

256KX16

256K

0 Cel

TIN LEAD

DUAL

1

R-PDSO-J40

3.6 V

3.56 mm

10.16 mm

Not Qualified

4194304 bit

3 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

e0

.0005 Amp

26.04 mm

70 ns

KM416C254DLJ-5

Samsung

EDO DRAM

COMMERCIAL

40

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE WITH EDO

YES

1

CMOS

J BEND

ASYNCHRONOUS

110 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

DUAL

1

R-PDSO-J40

5.5 V

3.76 mm

10.16 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH/SELF REFRESH

e0

.00015 Amp

26.04 mm

50 ns

KM4216V256G-6

Samsung

VIDEO DRAM

COMMERCIAL

64

SSOP

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE WITH EDO

YES

1

CMOS

GULL WING

ASYNCHRONOUS

140 mA

262144 words

3.3

3.3

16

SMALL OUTLINE, SHRINK PITCH

SOP64,.54,32

Other Memory ICs

.8 mm

70 Cel

3-STATE

256KX16

256K

0 Cel

TIN LEAD

DUAL

2

R-PDSO-G64

3.6 V

3 mm

11.43 mm

Not Qualified

4194304 bit

3 V

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

e0

.01 Amp

26.03 mm

60 ns

KM4216C256G-7

Samsung

VIDEO DRAM

COMMERCIAL

64

SSOP

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE WITH EDO

YES

1

CMOS

GULL WING

ASYNCHRONOUS

145 mA

262144 words

5

5

16

SMALL OUTLINE, SHRINK PITCH

SOP64,.54,32

Other Memory ICs

.8 mm

70 Cel

3-STATE

256KX16

256K

0 Cel

TIN LEAD

DUAL

2

R-PDSO-G64

5.5 V

3 mm

11.43 mm

Not Qualified

4194304 bit

4.5 V

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

e0

.01 Amp

26.03 mm

70 ns

KM424C256AJ-6

Samsung

VIDEO DRAM

COMMERCIAL

28

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

170 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

3.76 mm

10.16 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY; CAS BEFORE RAS; HIDDEN REFRESH

e0

.005 Amp

18.415 mm

60 ns

KM416C156BJ-8

Samsung

FAST PAGE DRAM

COMMERCIAL

40

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

75 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

1

R-PDSO-J40

5.5 V

3.56 mm

10.16 mm

Not Qualified

4194304 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

.001 Amp

25.535 mm

80 ns

KM41C1000DJ-7

Samsung

FAST PAGE DRAM

COMMERCIAL

20

SOJ

512

RECTANGULAR

PLASTIC/EPOXY

FAST PAGE

YES

1

CMOS

J BEND

ASYNCHRONOUS

55 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

DUAL

1

R-PDSO-J20

5.5 V

3.76 mm

7.62 mm

Not Qualified

1048576 bit

4.5 V

RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH

e0

.001 Amp

17.145 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.