SN54HC573A, SN74HC573A

OCTAL TRANSPARENT DTYPE LATCHES

WITH 3STATE OUTPUTS

SCLS147E − DECEMBER 1982 − REVISED SEPTEMBER 2003

4

POST OFFICE BOX 655303

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

noted)

VCC

TA = 25°C

SN54HC573A

SN74HC573A

UNIT

VCC

MIN

MAX

MIN

MAX

MIN

MAX

UNIT

2 V

80

120

100

tw

Pulse duration, LE high

4.5 V

16

24

20

ns

tw

Pulse duration, LE high

6 V

14

20

17

ns

2 V

50

75

63

tsu

Setup time, data before LE

↓

4.5 V

10

15

13

ns

tsu

Setup time, data before LE

↓

6 V

9

13

11

ns

2 V

20

24

24

th

Hold time, data after LE

↓

4.5 V

5

5

5

ns

th

Hold time, data after LE

↓

6 V

5

5

5

ns

(unless otherwise noted) (see Figure 1)

PARAMETER

FROM

TO

VCC

TA = 25°C

SN54HC573A

SN74HC573A

UNIT

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

VCC

MIN

TYP

MAX

MIN

MAX

MIN

MAX

UNIT

2 V

77

175

265

220

D

Q

4.5 V

26

35

53

44

tpd

D

Q

6 V

23

30

45

38

ns

tpd

2 V

87

175

265

220

ns

LE

Any Q

4.5 V

27

35

53

44

LE

Any Q

6 V

23

30

45

38

2 V

68

150

225

190

ten

OE

Any Q

4.5 V

24

30

45

38

ns

ten

OE

Any Q

6 V

21

26

38

32

ns

2 V

47

150

225

190

tdis

OE

Any Q

4.5 V

23

30

45

38

ns

tdis

OE

Any Q

6 V

21

26

38

32

ns

2 V

28

60

90

75

tt

Any Q

4.5 V

8

12

18

15

ns

tt

Any Q

6 V

6

10

15

13

ns