CD54HC373, CD74HC373

OCTAL TRANSPARENT D-TYPE LATCHES

WITH 3-STATE OUTPUTS

SCLS452A – FEBRUARY 2001 – REVISED APRIL 2003

4

POST OFFICE BOX 655303

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

noted) (see Figure 1)

VCC

TA = 25°C

TA = –55°C

TO 125

°C

TA = –40°C

TO 85

°C

UNIT

CC

MIN

MAX

MIN

MAX

MIN

MAX

2 V

80

120

100

tw

Pulse duration, LE high

4.5 V

16

24

20

ns

6 V

14

20

17

↓

2 V

50

75

65

tsu

Setup time, data before LE

↓

4.5 V

10

15

13

ns

6 V

9

13

11

↓

2 V

5

5

5

th

Hold time, data after LE

↓

4.5 V

5

5

5

ns

6 V

5

5

5

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

otherwise noted) (see Figure 1)

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

LOAD

CAPACITANCE

VCC

TA = 25°C

TA = –55°C

TO 125

°C

TA = –40°C

TO 85

°C

UNIT

(INPUT)

(OUTPUT)

CAPACITANCE

CC

MIN

MAX

MIN

MAX

MIN

MAX

2 V

150

225

190

D

Q

CL = 50 pF

4.5 V

30

45

38

t d

6 V

26

38

33

ns

tpd

2 V

175

265

220

ns

LE

Q

CL = 50 pF

4.5 V

35

53

44

6 V

30

45

37

2 V

150

225

190

ten

OE

Q

CL = 50 pF

4.5 V

30

45

38

ns

6 V

26

38

33

2 V

150

225

190

tdis

OE

Q

CL = 50 pF

4.5 V

30

45

38

ns

6 V

26

38

33

2 V

60

90

75

tt

Q

CL = 50 pF

4.5 V

12

18

15

ns

6 V

10

15

13

PARAMETER

TYP

UNIT

Cpd

Power dissipation capacitance

51

pF