HEF4938B データシートの表示（PDF） - Philips Electronics

部品番号

コンポーネント説明

メーカー

HEF4938B

Dual precision monostable multivibrator

Philips Electronics 

Philips Semiconductors

Dual precision monostable multivibrator

Preliminary specification

HEF4938B

FUNCTION TABLE

INPUTS

I0

I1

CD

L

H

H

H

X

X

L

OUTPUTS

O

O

L

H

Notes

1. H = HIGH state (the more positive voltage)

2. L = LOW state (the less positive voltage)

3. X = state is immaterial

4.

= positive-going transition

5.

= negative-going transition

6.

= positive output pulse

7.

= negative output pulse

Fig.4 Connection of the external timing

components Rt and Ct.

DC CHARACTERISTICS

VSS = 0 V

Supply current

active state

(see note)

Input leakage

current

(pins 2 and 14)

Tamb (°C)

VDD

V

SYMBOL

−40

+ 25

+ 85

TYP. MAX. TYP. MAX. TYP. MAX.

5

55

µA

10

ID

15

150

µA

220

µA

15

±IIN

300

1000 nA

Note

1. Only one monostable is switching: current present during output pulse (output O is HIGH).

January 1995

4

Share Link: