HD74AC138 Datasheet | Renesas

HD74AC138/HD74ACT138 1-of-8 Decoder/Demultiplexer REJ03D0248- 0200Z (Previous ADE-205-368 (Z)) Rev.2.00 Jul.16.2004 Description The HD74AC138/HD74ACT138 is a high-speed 1-of-8 decoder/demultiplexer. This device is ideally suited for highspeed bipolar memory chip select address decoding. The multiple input enables allow parallel expansion to a 1-of-24 decoder using just three HD74AC138/HD74ACT138 devices or a 1-of-32 decoder using four HD74AC138/HD74ACT138 devices and one inverter. Features - Demultiplexing Capability - Multiple Input Enable for Easy Expansion - Active LOW Mutually Exclusive Outputs - Outputs Source/Sink 24 mA - HD74ACT138 has TTL-patible Inputs - Ordering Information:...