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AST RESEARCH TECHNICAL BULLETIN TB-0017 6-8-84
APPROVED PARTS FOR OPTIONAL SERIAL PORTS
To insure a high level of product quality, AST qualifies all
components used within their products.
The attached list itemizes the semi-conductors used to install an
optional serial port. Listed under each generic part number and
description are the approved manufacturers and part number for
that part.
Parts other than those listed are not qualified and may not
function properly.
GENERIC AST PART NO. APPROVED MANUFACTURER
8250B 100018-001 NATIONAL INS825ON-B
WESTERN DIGITAL WD8250P-20
WESTERN DIGITAL WD8250P-00
1488 100008-001 FAIRCHILD UA1488PC
MOTOROLA MC1488PC
NATIONAL DS1488N
SIGNETICS MC1488P
TEXAS INST. MC1488P
TEXAS INST. 75188
1489 100009-001 FAIRCHILD UA1489PC
MOTOROLA MC1489PC
NATIONAL DS1489N
SIGNETICS MC1489P
TEXAS INST. MC1489P
TEXAS INST. 75189
74LSO4 100003-003 HITACHI HD74LSO4P
MITSUBISHI M74LSO4P
MOTOROLA SN74LSO4N
NATIONAL DM74LSO4N
SGS P74LSO4B1
SIGNETICS N74LSO4N
TEXAS INST. SN74LSO4N
74LS90 100003-015 FAIRCHILD 74LS9OPC
HITACHI HD74LS9OP
MITSUBISHI M74LS9OP
MOTOROLA SN74LS9ON
NATIONAL DM74LS9ON
SIGNETICS N74LS9ON
TEXAS INST. SN74LS9ON