DM74LS123 datasheet(5/8 Pages) FAIRCHILD

Part #	DM74LS123

Description	Dual Retriggerable One-Shot with Clear and Complementary Outputs

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Manufacturer	FAIRCHILD [Fairchild Semiconductor]

Direct Link	http://www.fairchildsemi.com

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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

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DM74LS123 Datasheet(PDF) 5 Page - Fairchild Semiconductor

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