Description

The 74AHC138 is an advanced high speed CMOS device.

The device accepts a three bit binary weighted address on input pins A0, A1 and A2 and when enabled will produce one active low output with the remaining seven being high.

Features

• Wide Supply Voltage Range from 2.0 V to 5.5 V

• Sinks or sources 8mA at Vcc = 4.5V

• CMOS low power consumption

• Schmitt Trigger Action at All Inputs

• Inputs accept up to 5.5 V

• ESD Protection Tested per JESD 22

Exceeds 200-V Machine Model (A115-A)

Exceeds 2000-V Human Body Model (A114-A)

Exceeds 1000-V Charged Device Model (C101C)

• Latch-Up Exceeds 250mA per JESD 78, Class II

• SO16 Available in “Green” Molding Compound

(no Br, Sb)

• Lead-Free Finish; RoHS Compliant (Notes 1 & 2)

Applications

• Memory chip select decoding

• Demultiplexing

• Single line peripheral control

• Allow simple serial bit streams from a microcontroller to control

as many peripheral lines as needed.