Data sheet acquired from Harris Semiconductor SCHS147A
CD74HC138, CD74HCT138, CD74HC238, CD74HCT238
High Speed CMOS Logic 3-to-8 Line Decoder/ Demultiplexer Inverting and Non-Inverting
October 1997 - Revised February 1999
Features
Select One Of Eight Data Outputs Active Low for 138, Active High for 238
[ /Title l/O Port or Memory Selector (CD74 Thr...