Texas Instruments 54HC161
The ’HC161 devices are 4-bit binary counters. This mode of operation eliminates the output counting spikes that are normally associated with synchronous (ripple-clock) counters.| Part No. | 54HC161 |
|---|---|
| Datasheet | 54HC161 Download |
| Manufacturer |  Texas Instruments |
| Description | 4-BIT SYNCHRONOUS BINARY COUNTERS |
| Buy | Stock & Price |
D Wide Operating Voltage Range of 2 V to 6 V D Outputs Can Drive Up To 10 LSTTL Loads D Low Power Consumption, 80-µA Max ICC D Typical tpd = 14 ns D ±4-mA Output Drive at 5 V SN54HC161 . . . J OR W PACKAGE SN74HC161 . . . D, N, NS, OR PW PACKAGE (TOP VIEW) CLR 1 CLK 2 A3 B4 C5 D6 ENP 7 GND 8 16 VCC 15 RCO 14 QA 13 QB 12 QC 11 QD 10 ENT 9 LOAD SN54HC161, SN74HC161 4ĆBIT SYNCHRONOUS BINARY COUNTERS SCLS297D − JANUARY 1996 − REVISED SEPTEMBER 2003 D Low Input Current of 1 µA Max D Internal Look-Ahead for Fast Counting D Carry Output for n-Bit Cascading D Synchronous Counting D Synchronously Programmable SN54HC161 . . . FK PACKAGE (TOP VIEW) CLK CLR NC VCC RCO 3 2 1 20 19 A4 18 QA B5 17 QB NC 6 16 NC C7 15 QC D 8 14 9 10 11 12 13 QD ENP GND NC LOAD ENT description/ordering information NC − No internal connection These synchronous, presettable counters feature an internal carry look-ahead for application in high-speed counting designs. The ’HC161 devices are 4-bit binary counters. Synchrono...
