Memory Chip Conversion Chart

DRAM
16MB 5V DRAM
64MB 3.3V DRAM
SDRAM
SRAM
CACHE SRAM
EPROM
FLASH

Content by Extension Technology, Inc., original here.

DRAM
Organization/
Density
Fujistu
MB
Goldstar
GM
Hitachi
HM
Hyundai
HY
Micron
MT
Mitsubishi
M5M
256K x 1(256K) 81256 71C256 51256 53C256 1256 4256
1M x 1(1M) 81C1000 71C1000 511000 531000 4C1024 41000
256K x 4(1M) 81C4256 71C4256 514256 534256 4C4256 44256
1M x 4(4M) 814400 71C4400 514400 514400 4C4001 44400
4M x 1(4M) 814100 71C4100 514100 514100 4C1004 44100
256K x 16(4M) 814260 71C4260 514260 514260 4C16257 44260
512K x 8(4M) 814800 71C4800 514800 514800 4C8512 44800
16M x 1 (16M) 8116100 71C16100
71C17100
5116100 5116100 4C16M1 416100
4M x 4 (16M) 8116400 71C16401
71C17401
5116400 5116400 4C4M4 416400
1M x 16 (16M) 8116160 N/A 5116160
5118160
5116160
5118160
4LC1M16C3 416160
418160

DRAM (continued)
Organization/
Density
Motorola
MCM
NEC
UPD
OKI
MSM
Samsung
KM
Texas
Instruments
TMS
Toshiba
TC
256K x 1(256K) 6256 41256 41256 41256 4256 41256
1M x 1(1M) 511000 421000 511000 41C1000 4C1024 511000
256K x 4(1M) 514256 424256 514256 44C256 44C256 514256
1M x 4(4M) 514400 424400 514400 44C1000 44400 TC514400
4m x 1(4M) 514100 424100 514100 41C4000 44100 514100
256K x 16(4M) 54260 424260 514260 416C256 45160 514260
512K x 8(4M) 54800 424800 514800 48C512 N/A 514800
16M x 1 (16M) 516100 4216100
4217100
5116100
5117100
41C16000
41C16100
416100 5116100
4M x 4 (16M) 516400
517400
4216400
4217400
5116400
5117400
44C4000
44C4100
416400 5116400
5117400
1M x 16 (16M) 516160
518160
4216160
4217160
4218160
5116160
5118160
416C1000 416160 5118160
5116160

16MB 5V DRAM
Organization/
Density
Fujitsu
MB
Goldstar
GM
Hitachi
HIT
Hyundai
HY
Micron
MT
Mitsubishi
M5M
NEC
UPD
16Mx1 FPM 4K REF 8116100 71C16100 5116100 5116100 - 416100 4216100
4Mx4 FPM 2K REF 8117400 71C17400 5117400 5117400 4C4M4B1 417400 4217400
4Mx4 EDO 2K REF 8117405 71C17403 5117405 5117405 4C4M4E8 417409 4217405
1Mx16 FPM 1K REF 8118160 71C18160 5118160 5118160 4C1M16C3 418160 4281610
1Mx16 EDO 1K REF 8118165 71C18163 5118165 5118164 4C1M16E5 418165 4218165
2Mx8 FPM 2K REF 8117800 71C17800 5117800 5117800 4C2M8B1 417800 4217800
2Mx8 EDO 2K REF 8117805 71C17803 5117805 5117805 4C2M8E7 417805 4217805

16MB 5V DRAM (continued)
Organization/
Density
OKI
MSM
Samsung
KM
Samsung
K = NEW
Siemens/Infineon
HYB
T.I.
TMS
Toshiba
TC
16Mx1 FPM 4K REF 5116100 41C16000 41C16000 - - 5116100
4Mx4 FPM 2K REF 5117400 44C4100 4F160411 5117400 417400 5117400
4Mx4 EDO 2K REF 5117405 44C4104 4E160411 5117405 417409 5117405
1Mx16 FPM 1K REF 5118160 416C1200 4F151611 5118160 418160 5118160
1Mx16 EDO 1K REF 5118165 416C1204 4E151611 5118165 418169 5118165
2Mx8 FPM 2K REF 5117800 48C2100 4F160811 5117800 417800 5117800
2Mx8 EDO 2K REF 5117805 48C2104 4E160811 5117805 417809 5117805

64MB 3.3V DRAM
Organization/
Density
Fujitsu
MB
Goldstar
GM
Hitachi
HIT
Hyundai
HY
Micron
MT
Mitsubishi
M5M
NEC
UPD
8Mx8 FPM 8K REF - - 5164800 51V64800 4LC8M8E1 467800 4264800
8Mx8 FPM 4K REF - - 5165800 51V65800 4LC8M8B6 465800 4265800
8Mx8 EDO 8K REF - 71V64804 5164805 51V64804 4LC8M8P4 467805 4264805
8Mx8 EDO 4K REF - 71V65804 5165805 51V65804 4LC8M8C2 465805 4265805
16Mx4 FPM 8K REF - 71V64400 5164400 51V64400 4LC16M4A7 467400 4264400
16Mx4 FPM 4K REF - 71V65400 5165400 51V65400 4LC16M4T8 465400 4265400
16Mx4 EDO 8K REF - 71V64404 5164405 51V64404 4LC16M4G3 467405 4264405
16Mx4 EDO 4K REF - 71V65404 5165405 51V65404 4LC16M4H9 465405 4265405
4Mx16 FPM 8K REF - - 5164160 51V64160 - 467160 4264160
4Mx16 FPM 4K REF - 71V65160 5165160 51V65160 4LC4M16F5 465160 4265160
4Mx16 EDO 8K REF - - 5164165 51V64164 - 467165 4264165
4Mx16 EDO 4K REF - 71V65163 5165165 51V65164 4LC4M16R6 465165 4265165

64MB 3.3V DRAM (continued)
Organization/
Density
OKI
MSM
Samsung
KM
Samsung
K = NEW
Siemens/Infineon
HYB
T.I.
TMS
Toshiba
TC
8Mx8 FPM 8K REF - 48V8000 4F660812 - 464800 5164800
8Mx8 FPM 4K REF - 48V8100 4F640812 3165805 465800 5165800
8Mx8 EDO 8K REF - 48V8004 4E660812 3164805 464809 5164805
8Mx8 EDO 4K REF 51V65805 48V8104 4E640812 3165805 465809 5165805
16Mx4 FPM 8K REF - 44V16000 4F660412 3164400 464400 5164400
16Mx4 FPM 4K REF - 44V16100 4F640412 3165400 465400 5165400
16Mx4 EDO 8K REF 51V64405 44V16004 4E660412 3164405 464409 5164405

SDRAM
Organization/
Density
Fujitsu
MB
Goldstar
GM
Hitachi
HIT
Hyundai
HY
Micron
MT
Mitsubishi
M5M
NEC
UPD
2Mx8 81117822 72V16821 5216805 57V16805 48LC2M8A1 4V16S30/31 4516821
4Mx4 81117422 72V16421 5216405 57V164010 48LC4M4A1 4V16S20/21 4516421
1Mx16 8.11E+08 72V161621 5216165 57V161610 48LC1M16A1 4V16S40/41 4516161
16Mx4 - 72V66441 5264405 57V64/6540 48LC16M4A2 4V64S20 4564441
8Mx8 - 72V66841 5264805 57V64/6580 48LC8M8A2 4V64S30 4564841
4Mx16 81F643242 72V661641 5264165 57V64/6516 48LC4M16A2 4V64S40 4564163
32Mx4 - 72V28441 - - 48LC32M4A2 2V28S20 45128841
16Mx8 - 72V28841 5212805 - 48LC16M8A2 2V28S30 45128441
8Mx16 - 72V281641 5212165 - 48LC8M16A2 2V28S40 -
64Mx4 - 72V56441 5225405 - - 2V56S20 45256163
32Mx8 - 72V56841 5225805 - - 2V56S30 4256841
32Mx4 - - - - - -

SDRAM (continued)
Organization/
Density
OKI
MSM
Samsung
KM
Samsung
K = NEW
Siemens/Infineon
HYB
T.I.
TMS
Toshiba
TC
2Mx8 56V16800 48S2020/21 48S2020/21 39S16800 626802 59S1608
4Mx4 56V16400 44S4020/21 44S4020/21 39S16400 626402 59S1604
1Mx16 56V16160 416S1020/21 4S161622 39S16160 626162 59S1616
16Mx4 - 44S16020/30 4S640432 - - 59S6404
8Mx8 - 48S8020/30 4S640832 - - 59S6408
4Mx16 - 416S4020/21/30/21 4S641632 - - 59S6416
32Mx4 - 44S32030 44S32030 39S6440 - 59SM704
16Mx8 - 48S16030 4S280832 39S6480 - 59SM708
8Mx16 - 416S8030 4S281632 39S6416 - 59SM716
64Mx4 - 44S64230 44S64230 39S256400 - -
32Mx8 - 48S32230 48S32230 39S256800 - -
32Mx4 - 44S32030 4S280432 - - -

SDRAM
Organization/
Density
Fujitsu
MB
Goldstar
GM
Hitachi
HIT
Hyundai
HY
Micron
MT
Mitsubishi
M5M
NEC
UPD
8MB = 256x32 81G83222 - 5283206 588321 41LC256K32D4 - 481850
16MB = 512x32 81G163222 - - 58163210 45V512K32 4V,S16G50D 4811650

SRAM
Organization/
Density
Fujitsu
MB
Goldstar
GM
Hitachi
HIT
Hyundai
HY
Mitsubishi
M5M
Mosel Vitelic
MS
2K x 8(16K) 8416 76C28 6116 6116 5117 6516
8K x 8(64K) 8464 76C88 6264 6264 5165 6264/6265
32K x 8(256K) 84256 76C256 62256 62256 5225/5256 62256
128K x 8(1MEG) 841000 76C8128 628128 628100 51008/51T08 628128
512K x 8(4MEG) N/A N/A 628512 628400 5408 N/A

SRAM (continued)
Organization/
Density
NEC
UPD
OKI
MSM
Samsumg
KM
Sony
CXK
Toshiba
TC
2K x 8(16K) 4416 N/A N/A 5816 TMM2016
5516/5517
8K x 8(64K) 4464 5165 6264 5864B 5564
5565
32K x 8(256K) 43256 51256/51257 62256 58257
58267
55257
128K x 8(1MEG) 431000 521001 681000 581000
581001
551001
512K x 8(4MEG) 434000 N/A 684000 584000
584001
554002

CACHE SRAM
Organization/
Density
Alliance
AS
Cypress
CY
IDT
IDT
ISSI
IS
MIC
MT
MOT
MCM
Paradigm
PDM
Samsung
KM
8K x 8(16K) 7C164 7C185 7164 61C64 5C6408 6264 N/A 6865
32K x 8(256K) 7C256 7C199 71256 61C256 5C2568 6206 41256 68257
128K x 8(1MEG) 7C1024 7C109 71024 61C1024 5C1008 6226 41024 681001
256K x 4(1 MEG) 7C1028 7C106 71028 N/A 5C1005 6229 41028 641001

EPROM
Density AMD
AM
Fujitsu
MBM
Hitachi
HN
Intel
D
Mitsubishi
M5M
32K 2732 2732 2732 2732 27C32
64K 27C64 27C64 27C64 27C64 27C64
128K 27C128 27C128 27C128 27C128 27C128
256K 27C256 27C256 27C256 27C256 27C256
512K 27C512 27C512 27C512 27C512 27C512
1MEG 27C010 27C1001 27C010 27C010 27C101
2MEG 27C020 27C2001 27C020 27C020 27C201
4MEG 27C040 27C4001 27C040 27C040 27C401

EPROM (continued)
Density NEC
UPD
NSC
NM
SGS
M
TI
TMS
Toshiba
TC
32K D2732 27C32Q 2732 2732 N/A
64K 27C64 27C64Q 27C64 27C64 N/A
128K 27C128 27C128Q 27C128 27C128 N/A
256K 27C256 27C256Q 27C256 27C256 57256
512K 27C512 27C512Q 27C512 27C512 57512
1MEG 27C1001 27C010Q 27C1001 27C010 571000
2MEG 27C2001 27C020Q 27C2001 27C020 N/A
4MEG 27C4001 27C040Q 27C4001 27C040 574000

FLASH
Organization AMD
AM
ATMEL
AT
Catalyst
CAT
Intel
AMD
AM
TI
TMS
TOSH
TMM
256K 28F256 29C256 N/A 28F256 28F256 N/A 58257
512K 28F512 28C512 28F512 28F512 28F512 28F512 N/A
1MEG 28F010
29F010 29F100
29C010 28F010 28F010
28F001
28F101
28F102 29F100
28F010
28F210
58F1001
2MEG 28F020
29F200
N/A 28F020 28F020
28F002
28F201
29F2XX 29F200
28F020 N/A
4MEG 29F040
29F400
29C040 N/A 28F040
28F004
28F4XX
29F040 29F400
N/A 58F4000
8MEG N/A N/A N/A N/A 28F841 N/A N/A
16MEG 29F016 N/A N/A N/A N/A N/A N/A


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