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54LS138J

Decoders/Demultiplexers

Partnumber Manufacturer Quantity Availability
54LS138J 13 In Stock

Description and Introduction

Decoders/Demultiplexers The 54LS138J is a 3-to-8 line decoder/demultiplexer integrated circuit 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. Key specifications include:

- **Supply Voltage (VCC):** 4.75V to 5.25V
- **Operating Temperature Range:** -55°C to +125°C
- **Input High Voltage (VIH):** 2V (min)
- **Input Low Voltage (VIL):** 0.8V (max)
- **Output High Voltage (VOH):** 2.7V (min) at IOH = -0.4mA
- **Output Low Voltage (VOL):** 0.5V (max) at IOL = 8mA
- **Propagation Delay Time (tPLH, tPHL):** Typically 21ns at VCC = 5V, TA = 25°C
- **Power Dissipation:** Typically 32mW
- **Package:** 16-pin ceramic DIP (Dual In-line Package)

The 54LS138J features three enable inputs (two active low and one active high) and eight active low outputs. It is designed to accept three binary-weighted input addresses (A0, A1, A2) and provide eight mutually exclusive outputs (Y0 to Y7). The device is commonly used in memory address decoding and data routing applications.

Partnumber Manufacturer Quantity Availability
54LS138J TI 20 In Stock

Description and Introduction

Decoders/Demultiplexers The 54LS138J is a 3-to-8 line decoder/demultiplexer manufactured by Texas Instruments (TI). Here are its key specifications:

- **Logic Type**: Decoder/Demultiplexer
- **Number of Input Lines**: 3
- **Number of Output Lines**: 8
- **Supply Voltage Range**: 4.75V to 5.25V
- **Operating Temperature Range**: -55°C to +125°C
- **Package Type**: Ceramic DIP (Dual In-line Package)
- **Propagation Delay Time**: Typically 21ns
- **Output Current**: High-Level Output Current: -0.4mA, Low-Level Output Current: 8mA
- **Power Dissipation**: Typically 45mW
- **Technology**: Low-Power Schottky (LS)

These specifications are based on the standard characteristics of the 54LS138J as provided by Texas Instruments.

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