|
|
part number : 74561 Description : 4-bit 3-state synchronous binary counter with sync/async load, sync/asyncreset, and ripple/clocked carry output.
| pinout
____________
| |
/ALD| 1 20| VCC
CLK| 2 19| RCO
P0| 3 18| CCO
P1| 4 17| /OE
P2| 5 16| Q0
P3| 6 15| Q1
ENP| 7 14| Q2
/ARST| 8 13| Q3
/SRST| 9 12| ENT
GND|10 11| /SLD
|____________|
| |
|
|
|
|