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part number : 74691 Description : 4-bit 3-state synchronous binary counter with output registers, asynchronousreset and ripple carry output. Multiplexed register/counter outputs.
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/CRST| 1 20| VCC
CCLK| 2 19| RCO
P0| 3 18| Q0
P1| 4 17| Q1
P2| 5 16| Q2
P3| 6 15| Q3
ENP| 7 14| ENT
/RRST| 8 13|/LOAD
RCLK| 9 12| /OE
GND|10 11| R//C
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