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Last update: 17 January 2004

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

Component documentation
IC numberManufacturerDocumentation
TC514400ToshibaNot available
HM514400HitachiNot available
µPD424400NECNot available
MSM514400OkiNot available
TC514402ToshibaNot available
MSM514402OkiNot available

Component versions
IC numberPackageMode
TC51440020-pin DIP or 20-pin ZIPPage
HM51440020-pin DIP or 20-pin ZIPPage
uPD42440020-pin DIP or 20-pin ZIPPage
MSM51440020-pin DIP or 20-pin ZIPPage
TC51440220-pin DIP or 20-pin ZIPStatic column
MSM51440220-pin DIP or 20-pin ZIPStatic column

Component part numbers
CBM part numberCBM part description
390773-01DRAM 1M X 4 ST COL 80NS ZIP

Positions
DevicePositions (not installed)PackageModeAccess time
A3000U850D..U857DDIPStatic column or Page80 ns
U850..U881ZIP
A3000TU850...U881ZIPStatic column or Page80 ns

Pinout DIP package
PinTypeName
1..2I/OData
3Input_WE
4Input_RAS
5..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
10..14InputAddress
15PowerVCC
16..20InputAddress

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