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54LS161

Synchronous 4-Bit Binary Counters

Partnumber Manufacturer Quantity Availability
54LS161 5 In Stock

Description and Introduction

Synchronous 4-Bit Binary Counters The 54LS161 is a synchronous 4-bit binary counter manufactured by Texas Instruments. It is part of the 54LS series, which is designed for military and aerospace applications, offering higher reliability and a wider temperature range compared to commercial-grade components. Key specifications include:

- **Supply Voltage (VCC):** 4.5V to 5.5V
- **Operating Temperature Range:** -55°C to +125°C
- **Logic Family:** Low-power Schottky (LS)
- **Counting Mode:** Synchronous
- **Count Length:** 4-bit (0 to 15)
- **Clock Input:** Positive-edge triggered
- **Clear Input:** Asynchronous (active LOW)
- **Load Input:** Synchronous (active LOW)
- **Enable Inputs:** Two enable inputs (P and T) for controlling counting
- **Outputs:** Four parallel outputs (Q0, Q1, Q2, Q3) and a ripple carry output (RCO)
- **Package:** Available in ceramic dual in-line package (DIP) or flat pack

The 54LS161 is designed for high-speed counting applications and is commonly used in digital systems requiring precise timing and control.

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