1. SN74LS138 Rev5 — 1-OF-8 Decoder/Demultiplexer|
The LSTTL/MSI SN54/74LS138 is a high speed 1-of-8 Decoder/Demultiplexer. This device is ideally suited for high speed bipolar memory chip select address decoding. 3 pages.
SN74LS155 Rev5 — Dual 1-of-4 Decoder/Demultiplexer|
The SN54/74LS155 and SN54/74LS156 are high speed Dual 1-of-4 Decoder/Demultiplexers. These devices have two decoders with common 2-bit Address inputs and separate gated Enable inputs. 4 pages.