74VHC123A(2007) 查看數據表（PDF） - Fairchild Semiconductor

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74VHC123A
(Rev.:2007)

Dual Retriggerable Monostable Multivibrator

Fairchild Semiconductor 

AC Operating Requirement(6)

Symbol

Parameter

tW(L), tW(H) Minimum Trigger

Pulse Width

tW(L)

Minimum Clear

Pulse Width

tRR

Minimum Retrigger

Time

Note:

6. Refer to Timing Chart.

VCC (V)

3.3

5.0

3.3

5.0

3.3 ± 0.3

5.0 ± 0.5

3.3

5.0

Conditions

Rx = 1kΩ,

CX = 100pF

Rx = 1kΩ,

CX = 0.01µF

TA = 25°C

Min. Typ. Max.

5.0

5.0

5.0

5.0

60

39

1.5

1.2

TA = –40°C

to +85°C

Min. Max.

5.0

5.0

5.0

5.0

Units

ns

ns

ns

µs

©1993 Fairchild Semiconductor Corporation

74VHC123A Rev. 1.2

9

www.fairchildsemi.com

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