DM74LS123N datasheet(5/8 Pages) FAIRCHILD

部件名	DM74LS123N

功能描述	Dual Retriggerable One-Shot with Clear and Complementary Outputs

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制造商	FAIRCHILD [Fairchild Semiconductor]

网页	http://www.fairchildsemi.com

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5 / 8 page

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Switching Characteristics

at VCC = 5V and TA = 25°C

Symbol

Parameters

RL = 2 kΩ

Units

From (Input)

CL = 15pF

To (Output)

CEXT = 0 pF, REXT = 5 kΩ

CEXT = 1000 pF, REXT = 10 kΩ

Min

Max

Min

Max

tPLH

Propagation Delay Time

A to Q

33

ns

LOW-to-HIGH Level Output

tPLH

Propagation Delay Time

B to Q

44

ns

LOW-to-HIGH Level Output

tPHL

Propagation Delay Time

A to Q

45

ns

HIGH-to-LOW Level Output

tPHL

Propagation Delay Time

B to Q

56

ns

HIGH-to-LOW Level Output

tPLH

Propagation Delay Time

Clear to Q

45

ns

LOW-to-HIGH Level Output

tPHL

Propagation Delay Time

Clear to Q

27

ns

HIGH-to-LOW Level Output

tWQ(Min)

Minimum Width of Pulse

A or B to Q

200

ns

at Output Q

tW(out)

Output Pulse Width

A or B to Q

4

5

µs

类似零件编号 - DM74LS123N

制造商	部件名	数据表	功能描述
National Semiconductor ...	DM74LS123N	135Kb / 6P	Dual Retriggerable One-Shot with Clear and Complementary Outputs

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