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74AC139 from ON,ON Semiconductor

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74AC139

Manufacturer: ON

Dual 1-of-4 Decoder/Demultiplexer

Partnumber Manufacturer Quantity Availability
74AC139 ON 62 In Stock

Description and Introduction

Dual 1-of-4 Decoder/Demultiplexer The 74AC139 is a dual 2-to-4 line decoder/demultiplexer manufactured by ON Semiconductor. It is designed to accept two binary weighted inputs (A0, A1) and provide four mutually exclusive active-low outputs (Y0 to Y3). The device features two enable inputs (E1, E2) that can be used to control the operation of the decoder. When the enable inputs are high, all outputs are forced to a high state, regardless of the input conditions.

Key specifications of the 74AC139 include:
- **Supply Voltage Range (VCC):** 2.0V to 6.0V
- **High Noise Immunity:** Typical of the AC family
- **Low Power Consumption:** 4.0µA (max) at 5.5V
- **High-Speed Operation:** 5.5ns (max) propagation delay at 5V
- **Output Drive Capability:** 24mA at 5V
- **Operating Temperature Range:** -40°C to +85°C
- **Package Options:** Available in various packages including SOIC, TSSOP, and PDIP

The 74AC139 is suitable for high-speed decoding or demultiplexing applications in digital systems. It is part of ON Semiconductor's 74AC logic family, which is known for its high-speed performance and low power consumption.

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