HD74HC354 查看數據表（PDF） - Hitachi -> Renesas Electronics

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HD74HC354

8-to-1-line Data Selectors/Multiplexer Register (with 3-state outputs)

Hitachi -> Renesas Electronics 

HD74HC354

8-to-1-line Data Selectors/Multiplexer Register

(with 3-state outputs)

Description

This data selectors/multiplexers contains full on-chip binary decoding to select one of eight data sources.

The data select address is stored in transparent latches that are enabled by a low level address on pin 11,

Select Control. Data on the 8 input lines is stored in a parallel input/output register which in the

HD74HC354 is composed of 8 transparent latches enabled by a low level on pin 9, Data Control. Both true

(Y) and complementary (W) 3-state outputs are available.

Features

• High Speed Operation: tpd (DC to W, Y) = 23 ns typ (CL = 50 pF)

• High Output Current: Fanout of 15 LSTTL Loads

• Wide Operating Voltage: VCC = 2 to 6 V

• Low Input Current: 1 µA max

• Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C)

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