Datasheet

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     
SCLS161D − DECEMBER 1982 − REVISED SEPTEMBER 2003
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
timing requirements over recommended operating free-air temperature range (unless otherwise
noted)
V
CC
T
A
= 25°C SN54HC4060 SN74HC4060
UNIT
V
CC
MIN MAX MIN MAX MIN MAX
UNIT
2 V 5.5 3.7 4.3
f
clock
Clock frequency
4.5 V
28 19 22
MHz
f
clock
Clock frequency
6 V 33 22 25
MHz
2 V 90 135 115
CLKI high or low
4.5 V 18 27 23
t
w
Pulse duration
CLKI high or low
6 V 15 23 20
ns
t
w
Pulse duration
2 V 90 135 115
ns
CLR high
4.5 V 18 27 23
CLR high
6 V 15 23 20
2 V 160 240 200
t
su
Setup time, CLR inactive before CLKI↓
4.5 V
32 48 40
ns
t
su
Setup time, CLR inactive before CLKI↓
6 V 27 41 34
ns
switching characteristics over recommended operating free-air temperature range, C
L
= 50 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
V
CC
T
A
= 25°C SN54HC4060 SN74HC4060
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V
CC
MIN TYP MAX MIN MAX MIN MAX
UNIT
2 V 5.5 10 3.7 4.3
f
max
4.5 V 28 45 19 22
MHz
f
max
6 V 33 53 22 25
MHz
2 V 240 490 735 615
t
pd
CLKI Q
D
4.5 V 58 98 147 123
ns
t
pd
CLKI
Q
D
6 V 42 83 125 105
ns
2 V 66 140 210 175
t
PHL
CLR Any Q
4.5 V 18 28 42 35
ns
t
PHL
CLR
Any Q
6 V 14 24 36 30
ns
2 V 28 75 110 95
t
t
Any
4.5 V 8 15 22 19
ns
t
t
Any
6 V 6 30 19 16
ns
operating characteristics, T
A
= 25°C
PARAMETER TEST CONDITIONS TYP UNIT
C
pd
Power dissipation capacitance No load 88 pF