Description
Description:
74HCT series ICs are High-speed logic gates with very low power consumption that utilize advanced silicon-gate CMOS, TTL compatible input technology. The only difference between HC and HCT is the input logic level. In general, For HC, anything below 1.5 V is a low signal, anything above 3.5 V is seen as high (assuming 5 V supply). For HCT, these levels have been changed to 0.8 V and 2.0 V. And 74HCT160 is one of the 74HCT series IC. 74HC160 ICs contain a synchronized decade counter. Synchronous operation is provided by a positive edge clock. Two enable inputs (ENT and ENP) and CARRY output (RCO) is provided to enable easy cascading of counters, which facilities easy implementation of N-bit counters without using external gates.
The 74HCT160 ICs have a wide operating range of VCC from 2 V to 6 V. Maximum current consumption is 80 uA through Icc and 1 uA per input pin. And the propagation delay is 13 ns. They can drive 10 LS-TTL loads at a time. This means that the output pin of a counter can drive 10 TTL based Low-Power Schottky( LS ) input pins. They can provide 4 mA on outputs at 5 V VCC. They allow inputs and outputs up to VCC. Recommended operating VCC is 5 V. Load Current can reach up to 25 mA per output pin and 50 mA for overall pins in between 0 V to VCC.
Specification:
| Operating Voltage Range | 2.0 to 6.0 V |
| Package | DIP−16 |
| Input Current | 1 uA |
| Powering Current | 80 uA |
| Output Current at VCC | 4 mA |
| Fan-Out | 10 LS-TTL Load |
| Propagation Delay | 13 ns |
| Temperature Range | -40 °C - 125 °C |
Pin Configuration:
| Input Pin (A, B, C, D) | 3, 4, 5, 6 |
| Output Pins (QA, QB, QC, QD) | 14, 13, 12, 11 |
| Active Low Clear Pin (CLR') | 1 |
| Clock Pin (CLK) | 2 |
| Enable Pin (ENP, ENT) | 7, 10 |
| Carry Output Pin (RCO) | 15 |
| Parallel Enable Input (LOAD') | 9 |
| Power Supply (VCC) | 16 |
| Ground (GND) | 8 |