Subject: Wanted : Pinouts for 9311, 93L14, 8273 chips
Fairchild 9311 (4 bit -> 16 line decoder?)
1 of 16 decoder
1 : 0
2 : 1
3 : 2
4 : 3
5 : 4
6 : 5
7 : 6
8 : 7
9 : 8
10 : 9
11 : 10
12 : Gnd
13 : 11
14 : 12
15 : 13
16 : 14
17 : 15
18 : E1
19 : E2
20 : A3
21 : A2
22 : A1
23 : A0
24 : Vcc
E1 and E2 both low to enable output. Outputs 0-15 are active low
Fairchild 93L14 (latch?)
Probably same as NSC
http://www.national.com/ds/93/93L14.pdf
Signetics 8273 (10 bit serial-in, parallel out shift register)
1 : Q6
2 : Q7
3 : Q8
4 : Q9
5 : Q10
6 : ClK1/
7 : CLK2
8 : Gnd
9 : Clr/
10 : Serial In
11 : Q1
12 : Q2
13 : Q3
14 : Q4
15 : Q5
16 : Vcc
Clk2 low and clk1 works
clk1 high and clk2 works
clk1 feeds an inverter then is ored with clk2 and result inverted to
clock the flip flops.
David Gesswein
http://www.pdp8.net/ -- Run an old computer with blinkenlights.
Received on Sat Jan 18 2003 - 21:38:00 GMT