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74HC237

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Product data sheet

Rev. 7 — 29 January 2016

7 of 17

Nexperia

74HC237

3-to-8 line decoder, demultiplexer with address latches

10. Dynamic characteristics

Table 7.

Dynamic characteristics

Voltages are referenced to GND (ground = 0 V); CL = 50 pF unless otherwise specified; for test circuit see Figure 10.

Symbol Parameter

Conditions

Tamb = 25 C

Tamb = 40 C

to +85

C

Tamb = 40 C

to +125

C

Unit

Min

Typ

Max

Min

Max

Min

Max

tpd

propagation

delay

An to Yn; see Figure 7

[1]

VCC = 2.0 V

-

52

160

-

200

-

240

ns

VCC = 4.5 V

-

19

32

-

40

-

48

ns

VCC =5V; CL =15pF

-

16

-

-

-

-

-

ns

VCC = 6.0 V

-

15

27

-

34

-

41

ns

LE to Yn; see Figure 7

[1]

VCC = 2.0 V

-

61

190

-

240

-

285

ns

VCC = 4.5 V

-

22

38

-

48

-

57

ns

VCC =5V; CL =15pF

-

19

-

-

-

-

-

ns

VCC = 6.0 V

-

18

32

-

41

-

48

ns

E1to Yn; see Figure 8

[1]

VCC = 2.0 V

-

47

145

-

180

-

220

ns

VCC = 4.5 V

-

17

29

-

36

-

44

ns

VCC =5V; CL =15pF

-

14

-

-

-

-

-

ns

VCC = 6.0 V

-

14

25

-

31

-

38

ns

E2 to Yn; see Figure 7

[1]

VCC = 2.0 V

-

47

145

-

180

-

220

ns

VCC = 4.5 V

-

17

29

-

36

-

44

ns

VCC =5V; CL =15pF

-

14

-

-

-

-

-

ns

VCC = 6.0 V

-

14

25

-

31

-

38

ns

tt

transition

time

Yn; see Figure 7 and

Figure 8

[2]

VCC = 2.0 V

-

19

75

-

95

-

110

ns

VCC = 4.5 V

-

7

15

-

19

-

22

ns

VCC = 6.0 V

-

6

13

-

16

-

19

ns

tW

pulse width

LE HIGH; see Figure 9

VCC = 2.0 V

50

11

-

65

-

75

-

ns

VCC = 4.5 V

10

4

-

13

-

15

-

ns

VCC = 6.0 V

9

3

-

11

-

13

-

ns

tsu

set-up time

An to LE; see Figure 9

VCC = 2.0 V

50

6

-

65

-

75

-

ns

VCC = 4.5 V

10

2

-

13

-

15

-

ns

VCC = 6.0 V

9

2

-

11

-

13

-

ns