21 Jun
1999
21 Jun
'99
9:32 a.m.
Great! Thanks Tony.
Joe
At 03:02 AM 6/21/99 +0100, you wrote:
I picked up some cards that say "Dual Port RAM" that have a number of these
ICs on them. They all have 1979 and 1980 date codes on them and the
letters SA or SB. Anyone know what they are? I can't find them in any of
my IC references.
Yes, they're made by Signetics. I have the data sheet here - they're hex
3-state buffers, and look similar to the 74LS367.
Pinout :
1 OE/ for A,B,C,D
2 In A
3 Out A
4 In B
5 Out B
6 In C
7 Out C
8 Ground
9 Out D
10 In D
11 Out E
12 In E
13 Out F
14 In F
15 OE/ for E,F
16 Vcc
Propagation delay (typical) 8ns
Joe
-tony