NXP Semiconductors
HEF4017B
5-stage Johnson decade counter
Table 7.
Dynamic characteristics
…continued
T
amb
= 25
°
C; V
SS
= 0 V; for test circuit see
Figure 10
Symbol Parameter
t
PLH
LOW to HIGH
propagation delay
Conditions
V
DD
Extrapolation formula
[1]
98 ns + (0.55 ns/pF) C
L
39 ns + (0.23 ns/pF) C
L
32 ns + (0.16 ns/pF) C
L
98 ns + (0.55 ns/pF) C
L
39 ns + (0.23 ns/pF) C
L
32 ns + (0.16 ns/pF) C
L
83 ns + (0.55 ns/pF) C
L
34 ns + (0.23 ns/pF) C
L
27 ns + (0.16 ns/pF) C
L
103 ns + (0.55 ns/pF) C
L
44 ns + (0.23 ns/pF) C
L
32 ns + (0.16 ns/pF) C
L
Min
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
90
40
20
80
40
30
80
40
30
80
40
30
50
30
20
60
30
20
6
12
15
Typ
125
50
40
125
50
40
110
45
35
130
55
40
60
30
20
45
20
10
40
20
10
40
20
15
40
20
15
25
15
10
30
15
10
12
30
30
Max Unit
250
100
80
250
100
80
220
90
70
260
105
75
120
60
40
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
MHz
MHz
CP0, CP1
→
Q0 to Q9; 5 V
see
10 V
15 V
CP0, CP1
→
Q5-9;
see
5V
10 V
15 V
MR
→
Q5-9;
see
5V
10 V
15 V
MR
→
Q0;
see
5V
10 V
15 V
5V
10 V
15 V
t
t
transition time
see
10 ns + (1.00 ns/pF) C
L
9 ns + (0.42 ns/pF) C
L
6 ns + (0.28 ns/pF) C
L
t
h
hold time
CP0
→
CP1;
see
5V
10 V
15 V
5V
10 V
15 V
5V
10 V
15 V
5V
10 V
15 V
5V
10 V
15 V
5V
10 V
15 V
5V
10 V
15 V
CP1
→
CP0;
see
t
W
pulse width
CP0 input LOW;
minimum width;
see
CP1 input HIGH;
minimum width;
see
MR input HIGH;
minimum width;
see
t
rec
recovery time
MR input;
see
f
max
maximum
frequency
see
[1]
[2]
The typical values of the propagation delay and transition times are calculated from the extrapolation formulas shown (C
L
in pF).
t
t
is the same as t
THL
and t
TLH
.
HEF4017B_4
© NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 04 — 9 December 2008
8 of 16
PHILIPS [ NXP SEMICONDUCTORS ]
