74HC237N datasheet(6/9 Pages) PHILIPS

Part #	74HC237N

Description	3-to-8 line decoder/demultiplexer with address latches

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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6 / 9 page

December 1990

6

Philips Semiconductors

Product speciﬁcation

3-to-8 line decoder/demultiplexer with

address latches

74HC/HCT237

DC CHARACTERISTICS FOR 74HC

For the DC characteristics see

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

Output capability: standard

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

An to Yn

52

19

15

160

32

27

200

40

34

240

48

41

ns

2.0

4.5

6.0

Fig.6

tPHL/ tPLH

propagation delay

LE to Yn

61

22

18

190

38

32

240

48

41

285

57

48

ns

2.0

4.5

6.0

Fig.7

tPHL/ tPLH

propagation delay

E1 to Yn

47

17

14

145

29

25

180

36

31

220

44

38

ns

2.0

4.5

6.0

Fig.7

tPHL/ tPLH

propagation delay

E2 to Yn

47

17

14

145

29

25

180

36

31

220

44

38

ns

2.0

4.5

6.0

Fig.6

tTHL/ tTLH

output transition time

19

7

6

75

15

13

95

19

16

110

22

19

ns

2.0

4.5

6.0

Fig.6

tW

LE pulse width

LOW

50

10

9

11

4

3

65

13

11

75

15

13

ns

2.0

4.5

6.0

Fig.8

tsu

set-up time

An to LE

50

10

9

6

2

65

13

11

75

15

13

ns

2.0

4.5

6.0

Fig.8

th

hold time

An to LE

30

6

5

3

1

40

8

7

45

9

8

ns

2.0

4.5

6.0

Fig.8

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74HC237N Datasheet(PDF) 6 Page - NXP Semiconductors

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