74HCT139 查看數據表（PDF） - Philips Electronics

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74HCT139

Dual 2-to-4 line decoder/demultiplexer

Philips Electronics 

Philips Semiconductors

Dual 2-to-4 line decoder/demultiplexer

AC WAVEFORMS

Product specification

74HC/HCT139

(1) HC : VM = 50%; VI = GND to VCC.

HCT: VM = 1.3 V; VI = GND to 3 V.

Fig.6 Waveforms showing the address input (nAn) to output (nYn) propagation delays and the output transition

times.

(1) HC : VM = 50%; VI = GND to VCC.

HCT: VM = 1.3 V; VI = GND to 3 V.

Fig.7 Waveforms showing the enable input (nE) to output (nYn) propagation delays and the output transition

times.

PACKAGE OUTLINES

See “74HC/HCT/HCU/HCMOS Logic Package Outlines”.

September 1993

7

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