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AST RESEARCH TECHNICAL BULLETIN TB-0004B 3-19-85
D-RAM CHIP COMPATIBILITY FOR MULTIFUNCTION CARDS
The following is a list of 64K and 256K RAM Integrated Circuits
recommended by AST for use with AST Products. The products
covered in this list are: SixPakPlus, Advantage!, jrCombo,
MP Mini, MegaPlus II, ComboPlus and MP II.
The following 64K D-RAMS are recommended for the MegaPlus II,
MP Expansion, and ComboPlus. The SixPakPlus (Revision D or
earlier) also uses the same D-RAMS.
VENDOR PART NUMBER
AMD AM9064-20PC
Hitachi HM4864P-3
Fujitsu MB8264-20M
Intel P2164A-20
Micron MT4264N-3 or -20
Mitsubishi M5K4164NP-20
Mostek MK456N-20
Motorola MCM6665AP20 or ...BP20
NEC UPD4164C-2
OKI MSM3764-2 or S
TI TMS4164-20NL
Toshiba TMMS4164-20NL
Toshiba TMM4164AP-20
The following 64K D-RAMS are recommended for the jrCombo, MP Mini
and MP II. The SixPakPlus (Revision E or later) also uses the
same D-RAMS.
VENDOR PART NUMBER
AMD AM9064-15PC
Hitachi HM4864P-2
Fujitsu MB8264-15M
Intel P2164A-15
Micron MT4264N-2 or -15
Mitsubishi M5K4164NP-15
Mostek MK4564N-15
Motorola MCM6665AP15 or ...BP15
NEC UPD4164C-3
OKI MSM3764-15RS
TI TMS4164-15NL
Toshiba TMM4164P-3
Toshiba TMM4164AP-15
AMD AM9064-20PC
Hitachi HM4864P-3
Fujitsu MB8264-20M
Intel P2164A-20
Micron MT426N-3 or -20
Mitsubishi M5K4164NP-20
Mostek MK456N-20
Motorola MCM6665AP20 or ...BP20
NEC UPD4164C-2
OKI MSM3764-20RS
TI TMS4164-20NL
Toshiba TMM4164P-4
Toshiba TMM4164AP-20
The following 64K D-RAMS are recommended for the Advantage!:
VENDOR PART NUMBER
AMD AM9064-15PC
Hitachi HM4864P-2
Fujitsu MB8264-15M
Intel P2164A-15
Micron MT4264N-2 or -15
Mitsubishi M5K416NP-15
Mostek MK456N-15
Motorola MCM6665AP15 or ...BP15
NEC UPD4164C-3
OKI MSM3764-15RS
TI TMS4164-15NL
Toshiba TMM4164P-3
Toshiba TMM4164AP-15
The following 256K D-RAMS are recommended for the Advantage! and
jrCombo:
VENDOR PART NUMBER
Hitachi HM50256P-15
TI TMS4256-15NL
AT & T WCM41256FX-20
AST further recommends that the speed of the D-RAMS, measured in
nanoseconds should NOT be mixed on the same board.