The 74F138 1-of-8 Decoder/Demultiplexer is a high-speed, high-performance 1-of-8 Decoder/Demultiplexer from the Fairchild Semiconductor Corporation. This document provides a detailed overview of the device's features and characteristics.
The 74F138 is a high‑speed 1‑of‑8 decoder/demultiplexer that accepts three binary weighted inputs and provides eight mutually exclusive active‑LOW outputs. It features three enable inputs (two active‑LOW, one active‑HIGH) allowing easy parallel expansion to larger decoders.
The datasheet includes absolute maximum ratings, recommended operating conditions, DC and AC electrical characteristics, pin descriptions, timing parameters, and physical dimensions for the SOIC, SOP, and PDIP packages. Ordering codes and package options are also listed.
| Operating Temperature Range | 0°C to +70°C |
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All eight outputs are active LOW.