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Last update: 15 November 2004

IC function:1 Mbit (256k×4) DRAM
Related components: 64 kbit (16k×4) DRAM, 256 kbit (64k×4) DRAM, 4 Mbit (1M×4) DRAM

Component documentation
IC numberManufacturerDocumentation
TC514256, TC514256AToshibaNot available
TC514258ToshibaNot available
LH64256SharpNot available
LH64258SharpNot available
MSM514256OkiNot available
MSM514258OkiNot available
HM514256HitachiNot available
HM514256AHitachiNot available
HM514258HitachiNot available
µPD424256NECNot available
µPD424258NECNot available
TMS44C256Texas InstrumentsNot available
MB81C4256FujitsuNot available
MN414256Matsushita (Panasonic)Not available
MN414256LMatsushita (Panasonic)Not available
LC324256SanyoNot available
HYB514256ASiemensNot available

Component versions
IC numberAccess timeModePackage
TC514256Page
MSM514256Page
HM514256Page
µPD424256Page
TC514258Static column
LH64258Static column
MSM514258Static column
HM514258Static column
µPD424258Static column
TMS44C256Static column
TMS44C256-12120 ns20-pin DIP
TC514256P-12120 ns20-pin DIP
MB81C4256-12P120 ns20-pin DIP
µPD424256C-10100 ns20-pin DIP
MN414256-10100 ns20-pin DIP
D424256C-10100 ns20-pin DIP
TC514256P-10100 ns20-pin DIP
TC514256AP-10100 ns20-pin DIP
MN414256L-10100 ns20-pin DIP
TMC44C2256-10N100 ns20-pin DIP
HM514256AP-10100 ns20-pin DIP
LH64256AD-10100 ns20-pin DIP
MB81C4256-10P100 ns20-pin DIP
MSM514256-10R100 ns20-pin DIP
D424256V-10100 ns20-pin ZIP
TC51425AZ-10100 ns20-pin ZIP
MN414256L-10100 ns20-pin ZIP
MB81C4256-10100 ns20-pin ZIP
LC324256Z-10100 ns20-pin ZIP
MB81C4256-10100 ns26/20-pin SOJ
MB81C4256-8080 ns26/20-pin SOJ
TC514256AP-8080 ns20-pin DIP
HYB514256A-8080 ns20-pin DIP
HYB514256A-7070 ns20-pin DIP

Component part numbers
CBM part numberCBM part description
318099-01DRAM 256K X 4 100 ns ZIP
318099-02DRAM 256K X 4 150 ns
318099-03DRAM 256K X 4 120 ns ZIP
318099-04DRAM 256K X 4 120 ns
318099-05DRAM 256K X 4 80 ns ZIP
318099-06DRAM 256K X 4 80 ns
390365-01IC, 44256 DIP 120 ns
390668-01514258, 256X4 Static col DRAM 80 ns
390668-02514258, 256X4 80 ns DRAM Static col DIP
390668-03DRAM 256K X 4 ST COL 100 ns ZIP
390668-04DRAM 256K X 4 ST COL 80 ns ZIP
390668-06DRAM 256K X 4 ST COL 120 ns ZIP
391201-01DRAM 256K X 4 80 ns

Positions
DevicePositionsPositions (not installed)PackageModeAccess time
A2000-CR Rev. 6U501..U508DIP120 ns
A500 Rev. 6A/7U16..U19U20..U23DIP150 ns
A500 PlusU16..U23DIP120 ns
CDTVU65..U72ZIP100 ns
A3000 (Chip memory)U259..U266U267..U274DIPStatic column or Page120 ns
A3000 (Fast memory)U850D..U857DDIPStatic column or Page80 ns
U850..U881ZIP
A3000T (Chip memory)U259..U266U267..U274ZIPStatic column or Page120 ns
A3000T (Fast memory)U850..U865U866..U881ZIPStatic column or Page80 ns
A501 Rev. 6CU1..U4DIP150 ns
A501 PlusU1..U8DIP120 ns
A590U15, U16, U19, U20, U23, U24, U27, U28DIP120 ns
A2091U14..U29DIP120 ns
A2630 (4Mb)U400..U430ZIP100 ns
A2286 sandwich boardU34..U37, U40..U43DIP120 ns
CD³² MPEG boardU301SOJ100 ns
PC10-III Rev. 6U305..U308DIP120 ns
PC30-IIIU707, U708, U711, U712DIP100 ns
PC40-IIIU707..U414DIP100 ns
PC60-IIIU3..U6, U15, U16, U20, U21, U29, U30, U32, U33, U40, U41, U46, U47DIP100 ns
SL286/SL386SX main boardU403..U410, U507, U508SOJ80 ns
U509, U510ZIP

Pinout DIP package
PinTypeName
1..2I/OData
3Input_WE
4Input_RAS
5N/CNC
6..9InputAddress
10PowerVCC
11..15InputAddress
16Input_OE
17Input_CAS
18..19I/OData
20PowerGND

Pinout ZIP package
PinTypeName
1Input_OE
2Input_CAS
3..4I/OData
5PowerGND
6..7I/OData
8Input_WE
9Input_RAS
11..14InputAddress
15PowerVCC
16..20InputAddress

Pinout SOJ package
PinTypeName
1..2I/OData
3Input_WE
4Input_RAS
5N/CNC
9..12InputAddress
13PowerVCC
14..18InputAddress
22Input_OE
23Input_CAS
24..25I/OData
26PowerGND

Copyright © 2003-2004 Ronald van Dijk - All rights reserved