December 1990

10

Philips Semiconductors

Product specification

14-stage binary ripple counter with oscillator

74HC/HCT4060

Notes

1. The value of additional quiescent supply current (

To determine

2. Only input MR (pin 12) has TTL input switching levels for the HCT versions.

AC CHARACTERISTICS FOR 74HCT

INPUT

UNIT LOAD COEFFICIENT

MR

0.40

SYMBOL PARAMETER

UNIT

TEST CONDITIONS

74HCT

(V)

WAVEFORMS

+25

−40 to +85

−40 to +125

min.

typ.

max.

min.

max.

min.

max.

propagation delay

33

66

83

99

ns

4.5

Fig.12

propagation delay

8

16

20

24

ns

4.5

Fig.14

propagation delay

21

44

55

66

ns

4.5

Fig.13

output transition time

7

15

19

22

ns

4.5

Fig.12

clock pulse width

RS; HIGH or LOW

16

6

20

24

ns

4.5

Fig.12

master reset pulse

width MR; HIGH

16

6

20

24

ns

4.5

Fig.13

removal time

MR to RS

26

13

33

39

ns

4.5

Fig.13

maximum clock pulse

frequency

30

80

24

20

MHz

4.5

Fig.12