MC74VHCT138ADR2G

The MC74VHCT138ADR2G from ON Semiconductor is an advanced, high-speed CMOS 3-to-8 line decoder/demultiplexer. Fabricated with silicon gate CMOS technology, it achieves high speed operation comparable to Bipolar Schottky TTL while maintaining low CMOS power dissipation. The device features TTL-compatible inputs and full 5.0V CMOS level output swings, making it suitable for interfacing 3.3V to 5.0V systems.

Key electrical characteristics include an operating voltage range of 4.5V to 5.5V, a typical propagation delay of 7.6 ns at 5.0V, and low power dissipation with a maximum quiescent current of 4mA. The inputs offer protection for voltages between 0V and 5.5V, and the outputs are protected when VCC is 0V, preventing device destruction from voltage mismatches. It supports a wide operating temperature range from -55°C to 125°C.

This decoder/demultiplexer is designed for use as an address decoder for memory systems and for easing cascade connections. It features one independent 1-of-8 circuit. The device is supplied in a 16-SOIC surface mount package, with dimensions of 0.154" (3.90mm) width. ESD protection is provided, with the Human Body Model rated at over 2000V and the Machine Model at over 200V. Latchup performance exceeds 300mA.