CD74HC4538-Q1

HIGH-SPEED CMOS LOGIC DUAL RETRIGGERABLE

PRECISION MONOSTABLE MULTIVIBRATOR

SCLS595A − NOVEMBER 2004 − REVISED APRIL 2008

5

POST OFFICE BOX 655303

electrical characteristics over recommended operating free-air temperature range (unless

otherwise noted)

PARAMETER

TEST CONDITIONS

(mA)

TO 85

°C

TO 125

°C

UNIT

PARAMETER

TEST CONDITIONS

(mA)

MIN

MAX

MIN

MAX

MIN

MAX

UNIT

2 V

1.9

1.9

1.9

CMOS loads

−0.02

4.5 V

4.4

4.4

4.4

CMOS loads

0.02

6 V

5.9

5.9

5.9

V

TTL loads

−4

4.5 V

3.98

3.84

3.7

V

TTL loads

−5.2

6 V

5.48

5.34

5.2

2 V

0.1

0.1

0.1

CMOS loads

0.02

4.5 V

0.1

0.1

0.1

CMOS loads

0.02

6 V

0.1

0.1

0.1

V

TTL loads

4

4.5 V

0.26

0.33

0.4

V

TTL loads

5.2

6 V

0.26

0.33

0.4

I

V

V

or GND

A, B, R

6 V

±0.1

±1

±1

A

6 V

±0.05

±0.5

±0.5

µA

Quiescent

0

6 V

8

80

160

µA

Active, Q = high,

0

6 V

0.6

0.8

1

mA

10

10

10

pF

timing requirements over recommended operating free-air temperature range (unless otherwise

noted) (see Figure 1)

PARAMETER

TO 85

°C

TO 125

°C

UNIT

PARAMETER

MIN

TYP

MAX

MIN

MAX

MIN

MAX

UNIT

2 V

80

100

120

Input pulse width

4.5 V

16

20

24

ns

Input pulse width

6 V

14

17

20

ns

2 V

5

5

5

Reset setup time

4.5 V

5

5

5

ns

Reset setup time

6 V

5

5

5

ns

Retrigger time (see Figure 4)

5 V

175

ns

Output pulse-width match, same package

±1

%