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256k×16 DRAM used in Commodore and Amiga equipment

IC function
4 Mbit (256k×16) DRAM
Related components
4 Mbit (512k×8) DRAM

Component documentation
IC numberManufacturerDocumentation
HM514260, HM514260AHitachiNot available
µPD424260NECNot available
KM416C256BSamsungNot available
HY514260BHyundaiNot available

Component versions
IC numberPackageAccess timeCBM part numberCBM part description
HM514260AJ8, HM514260JP8, µPD424260-8040-pin SOJ80 ns391105-01DRAM 256K X 16 80NS SM
KM416C256BJ-7, HY514260BJC-7040-pin SOJ70 ns

Positions
DevicePositionsPackageAccess time
A600U16, U17SOJ80 ns
A1200U16, U17, U18, U19SOJ80 ns
A601U17, U18SOJ80 ns
CD³² MPEG boardU201SOJ80 ns

Pinout
PinTypeName
1PowerVCC
2..5I/OD1..D4
6PowerVCC
7..10I/OD5..D8
11.12N/CNC
13Input_WE
14Input_RAS
15N/CNC
16..19InputA0..A3
20PowerVCC
21PowerGND
22..26InputA4..A8
27Input_OE
28Input_UCAS
29Input_LCAS
30N/CNC
31..34I/OD9..D12
35PowerGND
36..39I/OD13..D16
40PowerGND

Copyright © 2003-2005 Ronald van Dijk - All rights reserved
Last update: 23 March 2005