perm filename PARTS.TXT[KBD,ROB]1 blob
sn#461591 filedate 1979-07-16 generic text, type T, neo UTF8
This is a list of parts required for the keyboard serializers:
--------------------
>(whatever vendor seems to have
>a good supply of TTL in stock)
2 7400 Quad NAND gate All TTL can be either 7400 or 74LS00 series
1 7402 Quad NOR gate Any reputable mfr will do (T.I., National
1 7404 Hex inverter Semi, Signetics, etc)
1 7474 Dual D-type flip flop
2 74157 Quad 1 of 2 selector
1 74175 Quad D-type latch
2 74161 Synchronous counter
-------------------- The following probably from James Electronics
*James Electronics (9) 592-8097
>1020 Howard Avenue
>San Carlos, CA 94070
2 4N25 Opto-isolators (prob Motorola) Many equivalents accepted
1 CY3.57 3.579545 MHz crystal pigtail leads (or supplied with PC board
socket)
8 1N3600 SS Diode, Need > 30 mA, > 30V PIV, substitutes okay
4 1N5245 15 V Zener diodes,500mW Between 15 and 25 V acceptable, any power
rating greater than 500mW.
1 1N4735 6.2V Zener diode,1W
2 450 OHM 1/4 watt, 5% tolerance
4 380 OHM
1 220 OHM
1 1 K OHM
4 .1mf 50v disk ceramic decoupling capacitors
1 10 mf 20 volt electrolytic capacitor ( > 10mf and/or 20volts is fine)
--------------------
*Kierulff Elect. (9) 968-6292
>3969 E. Bayshore Rd
>Palo Alto, Calif. 94303
2 Cinch 5024A30 12-pin dual readout edge connector (or equiv)
1 Augat 40 pin IC socket, solder pin (hamilton/avnet or kierulff)
-------------------- Diplomat
*Diplomat (56) 734-1900
>1283 F Mountain View Alviso Rd
>Sunnyvale, CA 94086
1 TR1863(A or B) Western Digital UART In stock at Diplomat
Ewin Foley - reps