NATIONAL SEMICOND -CLOGIO DEE D I b S D U E E
0Db3c Jòt i t . I
-T-
V5-23-/3
C O N N ECTIO N DIAGRAM PINOUT A
290
54/74290 54LS/74LS290
BCD DECADE COUNTER
MS [7 N C [T
m s
i
Scan
No
No
Obsolete
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