HD74AC123A Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics

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HD74AC123A

Dual Retriggerable Resettable Multivibrator

Hitachi -> Renesas Electronics 

HD74AC123A

Item

Output pulse width

Symbol

TWQ

VCC (V)*1

3.3

5.0

Ta = +25°C

CL = 50 pF

Min Typ

—

—

0.90 —

Ta = –40°C

to +85°C

CL = 50 pF

Max Min Max Unit Condition

—

—

—

ms Cext = 0.1 µF

1.10 0.85 1.15

Rext = 10 kΩ

Minimum output

pulse width

TWQ(min)

3.3

5.0

190 —

160 —

350 170 380 ns Cext = 28 pF

300 140 330

Rext = 2 kΩ

Note: 1. Voltage Range 3.3 is 3.3 V ± 0.3 V

Voltage Range 5.0 is 5.0 V ± 0.5 V

Cext and Rext should be connected as close to the IC terminals as possible, in order to prevent malfunction.

5

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