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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 • Three Enable Inputs to Simplify Cascading HC138 • Typical Propagation Delay of 13ns at VCC = 5V, , CL = 15pF, TA = 25oC www.DataSheet4U.com CD74 • Fanout (Over Temperature Range) HCT13 - Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads 8, - Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads CD74 • Wide Operating Temperature Range . . .