Datasheet

December 1990 7
Philips Semiconductors Product specification
Johnson decade counter with 10 decoded outputs 74HC/HCT4017
AC CHARACTERISTICS FOR 74HC
GND = 0 V; t
r
=t
f
= 6 ns; C
L
= 50 pF
SYMBOL
PARAMETER
T
amb
(°C)
UNIT
TEST CONDITIONS
74HC
V
CC
(V)
WAVEFORMS
+25 −40 to+85 −40 to+125
min. typ. max. min. max. min. max.
t
PHL
/ t
PLH
propagation delay
CP
0
to Q
n
63
23
18
230
46
39
290
58
49
345
69
59
ns 2.0
4.5
6.0
Fig.9
t
PHL
/ t
PLH
propagation delay
CP
0
to Q
5-9
63
23
18
230
46
39
290
58
49
345
69
59
ns 2.0
4.5
6.0
Fig.9
t
PHL
/ t
PLH
propagation delay
CP
1
to Q
n
61
22
18
250
50
43
315
63
54
375
75
64
ns 2.0
4.5
6.0
Fig.9
t
PHL
/ t
PLH
propagation delay
CP
1
to Q
5-9
61
22
18
250
50
43
315
63
54
375
75
64
ns 2.0
4.5
6.0
Fig.9
t
PHL
propagation delay
MR to Q
1−9
52
19
15
230
46
39
290
58
49
345
69
59
ns 2.0
4.5
6.0
Fig.8
t
PLH
propagation delay
MR to Q
5−9
, Q
0
55
20
16
230
46
39
290
58
49
345
69
59
ns 2.0
4.5
6.0
Fig.8
t
THL
/ t
TLH
output transition
time
19
7
6
75
15
13
95
19
16
110
22
19
ns 2.0
4.5
6.0
Fig.9
t
W
clock pulse width
HIGH or LOW
80
16
14
17
6
5
100
20
17
120
24
20
ns 2.0
4.5
6.0
Fig.8
t
W
master reset pulse
width; HIGH
80
16
14
19
7
6
100
20
17
120
24
20
ns 2.0
4.5
6.0
Fig.8
t
rem
removal time
MR to CP
0
, CP
1
5
5
5
−17
−6
−5
5
5
5
5
5
5
ns 2.0
4.5
6.0
Fig.8
t
su
set-up time
CP
1
to CP
0
;
CP
0
to CP
1
50
10
9
−8
−3
−2
65
13
11
75
15
13
ns 2.0
4.5
6.0
Fig.7
t
h
hold time
CP
0
to CP
1
;
CP
1
to CP
0
50
10
9
17
6
5
65
13
11
75
15
13
ns 2.0
4.5
6.0
Fig.7
f
max
maximum clock
pulse frequency
6.0
30
25
23
70
83
4.8
24
28
4.0
20
24
MHz 2.0
4.5
6.0
Fig.8