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TheTTL - Al Kossow's Bitsavers

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82S167A<br />

14 x 48x 6 FIELD·PROGRAMMABLE LOGIC SEOUENCER<br />

WITH 3·STATE OUTPUTS OR PRESET<br />

functional block diagram (positive logic)<br />

PRE/OE<br />

elK<br />

.....<br />

-~<br />

& :>,<br />

LEN<br />

,C1<br />

r<br />

.~8<br />

4<br />

4X<br />

,45 X 48 48X 25 18 I = 1 V<br />

4<br />

1R<br />

"T1<br />

CD·<br />

~<br />

"'C<br />

..<br />

o<br />

co<br />

..<br />

D)<br />

10-113<br />

.1. 14 --<br />

.r<br />

14X[><br />

~ rv<br />

~ tV<br />

2 ...<br />

2 ...<br />

2X<br />

18 I='V<br />

1R<br />

4<br />

2<br />

00-03<br />

PO,P1<br />

3<br />

3<br />

D) rv denotes fused inputs<br />

e-<br />

eD'"<br />

r-<br />

o<br />

CO<br />

n'<br />

timing diagram<br />

2X[><br />

6X[><br />

t><br />

P- rv<br />

~ rv<br />

~ tV<br />

~ tV<br />

VCC~<br />

I--- tV<br />

I<br />

I<br />

~ tV<br />

y'<br />

6 6X<br />

18 1=1<br />

6 ...<br />

1R<br />

~<br />

6<br />

PRE<br />

__ II r--1<br />

~ ______ ~J I~~ _________<br />

I I tsu -+I I+-<br />

OPTIONAL : I rI<br />

OE --III--------i----:.. 1 ----~ l-<br />

I I I<br />

10-113 -+-

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