74LS160 Decade Counter with Asynchronous Clear
Package SOIC Series 74LS
74LS160 overview
The 74LS series of integrated circuits (ICs) was one of the most popular logic families of transistor-transistor logic (TTL) logic chips. 74LS series is a bipolar, low-power Schottky IC.74LS160 Decade Counter with Asynchronous Clear. 74LS160 is edge-triggered, synchronously presettable, and cascadable MSI building blocks for counting, memory addressing frequency division, and other applications
Key specifications
Supply Voltage
4.75 - 5.25Vdc
Maximum Clock Frequency
40Mhz
Power Dissipation
2mW/gate @100kHz
Minimum Output Current
8mA
Propagation Delay
10nS
Fan Out (TTL Loads)
20
Datasheet
160.pdf
74LS160 features
- Edge Triggered High-Speed 4-bit Synchronous Counters
- Two Count Enable Inputs
- Count Rate of 35MHz
- Operating Temperature up to 70°C
- Standard TTL Switching Voltages
74LS160 pinout
| Pin | Name | Description |
|---|---|---|
| 1 | *R | Synchronous Reset (Active LOW) Input |
| 2 | CP | Clock (Active HIGH Going Edge) Input |
| 3 | P0 | Parallel Input |
| 4 | P1 | Parallel Input |
| 5 | P2 | Parallel Input |
| 6 | P3 | Parallel Input |
| 7 | CEP | Count Enable Parallel Input |
| 8 | GND | Ground |
| 9 | PE' | Parallel Enable (Active LOW) Input |
| 10 | CET | Count Enable Trickle Input |
| 11 | Q3 | Parallel Output |
| 12 | Q2 | Parallel Output |
| 13 | Q1 | Parallel Output |
| 14 | Q0 | Parallel Output |
| 15 | TC | Terminal Count Output |
| 16 | VCC | Positive Supply |
74LS160 applications
- Clock generation
- Clock division
- Integrated oscillator
- Low power CMOS
- TTL compatible inputs
- In frequency counting circuits
More about 74LS160
74LS160 Alternative Equivalent
74LS90, 74LS162
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