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54LS85

4-Bit Magnitude Comparator

Partnumber Manufacturer Quantity Availability
54LS85 7 In Stock

Description and Introduction

4-Bit Magnitude Comparator The 54LS85 is a 4-bit magnitude comparator integrated circuit (IC) manufactured by Texas Instruments. It is part of the 54LS series, which is designed for military and aerospace applications, offering high reliability and performance over a wide temperature range. The 54LS85 compares two 4-bit binary numbers and provides outputs indicating whether one number is greater than, equal to, or less than the other. Key specifications include:

- **Supply Voltage (VCC):** 4.75V to 5.25V
- **Operating Temperature Range:** -55°C to +125°C
- **Input Current (High):** 20 µA (max)
- **Input Current (Low):** -0.4 mA (max)
- **Output Current (High):** -0.4 mA (max)
- **Output Current (Low):** 8 mA (max)
- **Propagation Delay:** Typically 23 ns (for A < B, A = B, A > B outputs)
- **Package Type:** Available in ceramic dual in-line package (DIP)
- **Logic Family:** Low-power Schottky (LS)

The 54LS85 is commonly used in digital systems for arithmetic operations, control logic, and decision-making circuits. It is compatible with other TTL logic families and is designed for high-speed operation with low power consumption.

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