SN54LS197 counters equivalent, 4-stage presettable ripple counters.
-B- P
0.25 (0.010) M
BM
1 7 PL 7
G C R X 45°
D14 PL
0.25 (0.010) M T B S
AS
SEATING
K PLANE
M
F
J
-A-
14 1
Case 632-08 J Suffix 14-Pin Ceramic Dual In-Line
.
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