IN74123 Просмотр технического описания (PDF) - Integral Corp.

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IN74123

Dual Monostable Multivibrator with Clear

Integral Corp. 

TECHNICAL DATA

IN74123

Dual Monostable Multivibrator

with Clear

The IN74123 multivibrator feature d-c triggering from gated low-

level-active (A) and high-level-active (B) inputs, and also provide

overriding direct clear inputs. Complementary outputs are provided. The

retrigger capability simplifies the output pulse is terminated, the output

pulse may be extended. The overriding clear capability permits any output

pulse to be terminated at a predetermined time independently of the

timing components R and C. Figure 1 illustrates triggering the one-shot

with the high-level-active (B) inputs.

LOGIC DIAGRAM

ORDERING INFORMATION

IN74123N Plastic

TA = -10° to 70° C for package

PIN ASSIGNMENT

Timing Component

Connections when

CEXT ≤ 1000 pF

Pin 16 = VCC

Pin 8 = GND

Timing Component Connections when

CEXT > 1000 pF and Clear is used

FUNCTION TABLE

Inputs

Clear A B

L XX

X HX

X XL

HL

H

H

LH

X = don’t care

Outputs

QQ

LH

LH

LH

1

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