74HC573 datasheet(5/7 Pages) PHILIPS

Part #	74HC573

Description	Octal D-type transparent latch; 3-state

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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5 / 7 page

December 1990

5

Philips Semiconductors

Product speciﬁcation

Octal D-type transparent latch; 3-state

74HC/HCT573

DC CHARACTERISTICS FOR 74HC

For the DC characteristics see

“74HC/HCT/HCU/HCMOS Logic Family Specifications”.

Output capability: bus driver

ICC category: MSI

AC CHARACTERISTICS FOR 74HC

GND = 0 V; tr =tf = 6 ns; CL = 50 pF

SYMBOL

PARAMETER

Tamb (°C)

UNIT

TEST CONDITIONS

74HC

VCC

(V)

WAVEFORMS

+25

−40 to +85

−40 to +125

min.

typ.

max.

min.

max.

min.

max.

tPHL/ tPLH

propagation delay

Dn to Qn

47

17

14

150

30

26

190

38

33

225

45

38

ns

2.0

4.5

6.0

Fig.6

tPHL/ tPLH

propagation delay

LE to Qn

50

18

14

150

30

26

190

38

33

225

45

38

ns

2.0

4.5

6.0

Fig.7

tPZH/ tPZL

3-state output enable

time OE to Qn

44

16

13

140

28

24

175

35

30

210

42

36

ns

2.0

4.5

6.0

Fig.8

tPHZ/ tPLZ

3-state output disable

time OE to Qn

55

20

16

150

30

26

190

38

33

225

45

38

ns

2.0

4.5

6.0

Fig.8

tTHL/ tTLH

output transition time

14

5

4

60

12

10

75

15

13

90

18

15

ns

2.0

4.5

6.0

Fig.6

tW

enable pulse width

HIGH

80

16

14

5

4

100

20

17

120

24

20

ns

2.0

4.5

6.0

Fig.7

tsu

set-up time

Dn to LE

50

10

9

11

4

3

65

13

11

75

15

13

ns

2.0

4.5

6.0

Fig.9

th

hold time

Dn to LE

5

3

1

5

ns

2.0

4.5

6.0

Fig.9

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