HD74AC123A 查看數據表（PDF） - Hitachi -> Renesas Electronics

零件编号

产品描述 (功能)

比赛名单

HD74AC123A

Dual Retriggerable Resettable Multivibrator

Hitachi -> Renesas Electronics 

Pin Names

A1, A 2

B1, B2

CD1, CD2

Q1, Q2

Q1, Q 2

Trigger Inputs (Active Falling Edge)

Trigger Inputs (Active Rising Edge)

Direct Clear Inputs (Active Low)

Positive Pulse Outputs

Negative Pulse Outputs

Triggering Truth Table

Inputs

A

B

CD

X

X

L

L

X

H

H

H

X

L

H

L

H

H : High Voltage Level

L : Low Voltage Level

X : Immaterial

: Low-to-High Transition

: High-to-Low Transition

HD74AC123A

Response

No trigger

No trigger

Trigger

No trigger

Trigger

Trigger

DC Characteristics (unless otherwise specified)

Item

Symbol Max

Unit

Maximum quiescent supply current ICC

80

µA

Maximum quiescent supply current ICC

8.0

µA

Condition

VIN = VCC or ground, VCC = 5.5 V,

Ta = Worst case

VIN = VCC or ground, VCC = 5.5 V,

Ta = 25°C

3

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