Extension Technology, Inc. wants to assist you, our client, in anyway possible. Following is a Manufacturer's Conversion Chart for your use. Click on the products to the left of this text to be redirected immediately to specific sections.
DRAM
Organization/
Density
Fujistu
MB
Goldstar
GM
Hitachi
HM
Hyundai
HY
Micron
MT
Mitsubishi
M5M
256K x 1(256K)8125671C2565125653C25612564256
1M x 1(1M)81C100071C10005110005310004C102441000
256K x 4(1M)81C425671C42565142565342564C425644256
1M x 4(4M)81440071C44005144005144004C400144400
4M x 1(4M)81410071C41005141005141004C100444100
256K x 16(4M)81426071C42605142605142604C1625744260
512K x 8(4M)81480071C48005148005148004C851244800
16M x 1 (16M)811610071C16100
71C17100		511610051161004C16M1416100
4M x 4 (16M)811640071C16401
71C17401		511640051164004C4M4416400
1M x 16 (16M)8116160N/A5116160
5118160		5116160
5118160		4LC1M16C3416160
418160
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DRAM continued
Organization/
Density
Motorola
MCM
NEC
UPD
OKI
MSM
Samsung
KM
Texas
Instruments
TMS
Toshiba
TC
256K x 1(256K)6256412564125641256425641256
1M x 1(1M)51100042100051100041C10004C1024511000
256K x 4(1M)51425642425651425644C25644C256514256
1M x 4(4M)51440042440051440044C100044400TC514400
4m x 1(4M)51410042410051410041C400044100514100
256K x 16(4M)54260424260514260416C25645160514260
512K x 8(4M)5480042480051480048C512N/A514800
16M x 1 (16M)5161004216100
4217100		5116100
5117100		41C16000
41C16100		4161005116100
4M x 4 (16M)516400
517400		4216400
4217400		5116400
5117400		44C4000
44C4100		4164005116400
5117400
1M x 16 (16M)516160
518160		4216160
4217160
4218160		5116160
5118160		416C10004161605118160
5116160
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16MB 5V DRAM
Organization/
Density
Fujitsu
MB
Goldstar
GM
Hitachi
HIT
Hyundai
HY
Micron
MT
Mitsubishi
M5M
NEC
UPD
16Mx1 FPM 4K REF811610071C1610051161005116100-4161004216100
4Mx4 FPM 2K REF811740071C17400511740051174004C4M4B14174004217400
4Mx4 EDO 2K REF811740571C17403511740551174054C4M4E84174094217405
1Mx16 FPM 1K REF811816071C18160511816051181604C1M16C34181604281610
1Mx16 EDO 1K REF811816571C18163511816551181644C1M16E54181654218165
2Mx8 FPM 2K REF811780071C17800511780051178004C2M8B14178004217800
2Mx8 EDO 2K REF811780571C17803511780551178054C2M8E74178054217805
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16MB 5V DRAM continued
Organization/
Density
OKI
MSM
Samsung
KM
Samsung
K = NEW
Siemens/Infineon
HYB
T.I.
TMS
Toshiba
TC
16Mx1 FPM 4K REF511610041C1600041C16000--5116100
4Mx4 FPM 2K REF511740044C41004F16041151174004174005117400
4Mx4 EDO 2K REF511740544C41044E16041151174054174095117405
1Mx16 FPM 1K REF5118160416C12004F15161151181604181605118160
1Mx16 EDO 1K REF5118165416C12044E15161151181654181695118165
2Mx8 FPM 2K REF511780048C21004F16081151178004178005117800
2Mx8 EDO 2K REF511780548C21044E16081151178054178095117805
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64MB 3.3V DRAM
Organization/
Density
Fujitsu
MB
Goldstar
GM
Hitachi
HIT
Hyundai
HY
Micron
MT
Mitsubishi
M5M
NEC
UPD
8Mx8 FPM 8K REF--516480051V648004LC8M8E14678004264800
8Mx8 FPM 4K REF--516580051V658004LC8M8B64658004265800
8Mx8 EDO 8K REF-71V64804516480551V648044LC8M8P44678054264805
8Mx8 EDO 4K REF-71V65804516580551V658044LC8M8C24658054265805
16Mx4 FPM 8K REF-71V64400516440051V644004LC16M4A74674004264400
16Mx4 FPM 4K REF-71V65400516540051V654004LC16M4T84654004265400
16Mx4 EDO 8K REF-71V64404516440551V644044LC16M4G34674054264405
16Mx4 EDO 4K REF-71V65404516540551V654044LC16M4H94654054265405
4Mx16 FPM 8K REF--516416051V64160-4671604264160
4Mx16 FPM 4K REF-71V65160516516051V651604LC4M16F54651604265160
4Mx16 EDO 8K REF--516416551V64164-4671654264165
4Mx16 EDO 4K REF-71V65163516516551V651644LC4M16R64651654265165
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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
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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 - - - - -  -
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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 - - -
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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
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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
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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
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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
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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
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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
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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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