N° série générique : 74699 Description : 4-bit 3-state synchronous binary up/down counter with output registers,reset and ripple carry output. Multiplexed register/counteroutputs. |
Broches : ____________ | | U//D| 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 /CRST| 8 13|/LOAD RCLK| 9 12| /OE GND|10 11| R//C |____________| |