Datasheet Summary
CD54AC139, CD74AC139 DUAL 2-LINE TO 4-LINE DECODERS/DEMULTIPLEXERS
D AC Types Feature 1.5-V to 5.5-V Operation and Balanced Noise Immunity at 30% of the
Supply Voltage
D Buffered Inputs D Incorporate Two Enable Inputs to Simplify
Cascading and/or Data Reception
D Speed of Bipolar F, AS, and S, With
Significantly Reduced Power Consumption
D Balanced Propagation Delays D ±24-mA Output Drive Current
- Fanout to 15 F Devices
D SCR-Latchup-Resistant CMOS Process and
Circuit Design
D Exceeds 2-kV ESD Protection Per
MIL-STD-883, Method 3015
SCHS332
- MARCH 2003
CD54AC139 . . . F PACKAGE CD74AC139 . . . E OR M PACKAGE
(TOP VIEW)
1G 1 1A 2 1B 3 1Y0 4 1Y1 5 1Y2 6 1Y3 7 GND 8
16 VCC 15 2G 14 2A...