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74HC138DB from PHI,Philips

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74HC138DB

Manufacturer: PHI

3-to-8 line decoder, demultiplexer; inverting

Partnumber Manufacturer Quantity Availability
74HC138DB PHI 171 In Stock

Description and Introduction

3-to-8 line decoder, demultiplexer; inverting The 74HC138DB is a 3-to-8 line decoder/demultiplexer manufactured by Philips (PHI). It is part of the 74HC family, which operates at a voltage range of 2.0V to 6.0V. The device features three binary select inputs (A0, A1, A2) and three enable inputs (E1, E2, E3) to control the output. It has eight active-low outputs (Y0 to Y7). The 74HC138DB is designed for high-speed operation with typical propagation delays of 13 ns at 5V. It is available in a SOIC-16 package. The device is commonly used in applications such as memory address decoding and data routing.
Partnumber Manufacturer Quantity Availability
74HC138DB NXP 13368 In Stock

Description and Introduction

3-to-8 line decoder, demultiplexer; inverting The 74HC138DB is a 3-to-8 line decoder/demultiplexer manufactured by NXP Semiconductors. Key specifications include:

- **Logic Family**: HC (High-speed CMOS)
- **Number of Input Lines**: 3
- **Number of Output Lines**: 8
- **Supply Voltage Range**: 2.0V to 6.0V
- **Operating Temperature Range**: -40°C to +125°C
- **Package**: SOIC-16
- **Propagation Delay**: Typically 17 ns at 5V
- **Input Capacitance**: 3.5 pF
- **Output Current**: ±5.2 mA
- **Power Dissipation**: 500 mW
- **Mounting Type**: Surface Mount
- **RoHS Compliance**: Yes

The device is designed to decode three binary address inputs into one of eight mutually exclusive outputs. It also features three enable inputs (two active LOW and one active HIGH) to simplify cascading and chip selection.

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