Epson MFJ-1278B Switch User Manual


 
MFJ-1278B MULTI-MODE APPENDIX I PARTS LIST
MFJ P/N Descrpition Component ID
312-2512 27C1001, CMOS EPROM, U23
100 NS OR BETTER,
(ERASABLE TYPE ONLY,
DO NOT USE FUJUTSE TYPE)
312-2081 27C64, CMOS EPROM, U6
200 NS OR BETTER,
PROGRAM WITH "STATE" 1.09
(ONE-TIME PROM, OK TO USE)
312-0075 43256LP-10, 32K STATIC RAM, U24, U25
100 NS OR BETTER
312-0067 Z084404PSC, 4 MHZ, U21
Z80A SIO/0 DUAL SERIAL PORT,
ZILOG, TOSHIBA OR EQUAL
312-0044 Z0840004PSC, CMOS, U22
4 MHZ, Z80A CPU, ZILOG,
TOSHIBA OR EQUAL
310-0044 4040B, CMOS DIVIDER U1
310-34066 74HC4066P, QUAD CMOS SWITCH U13
310-4004 74HCT04, HEX INVERTER U10
310-3014 74HC14P, HEX SCHMITT U7, U9, U14
INVERTER
(Do not use 74HCT14 for these ICs)
310-3107 74HC107N, DUAL J-K U11
FLIP FLOP
310-4374 74HCT374, OCTAL LATCH U5, U27, U28, U39, U40*
310-4373 74HCT373, OCTAL U38
TRANSPARENT LATCH
310
-
4393
74HCT393N, DUAL BINARY
U4