Philips Semiconductors
Product specification
5-stage Johnson counter
FUNCTION TABLE
MR
H
L
L
L
L
L
L
L
X
H
L
CP
0
X
H
L
X
H
CP
1
X
OPERATION
O
0
= O
5-9
= H; O
1
to O
9
= L
Counter advances
4.
Counter advances
No change
No change
No change
No change
5.
= positive-going transition
= negative-going transition
Notes
HEF4017B
MSI
1. H = HIGH state (the more positive voltage)
2. L = LOW state (the less positive voltage)
3. X = state is immaterial
AC CHARACTERISTICS
V
SS
= 0 V; T
amb
= 25
°C;
C
L
= 50 pF; input transition times
≤
20 ns
V
DD
V
Propagation delays
CP
0
, CP
1
→
O
0
to O
9
HIGH to LOW
5
10
15
5
LOW to HIGH
CP
0
, CP
1
→
O
5-9
HIGH to LOW
10
15
5
10
15
5
LOW to HIGH
MR
→
O
1
to O
9
HIGH to LOW
MR
→
O
5-9
LOW to HIGH
MR
→
O
0
LOW to HIGH
10
15
5
10
15
5
10
15
5
10
15
t
PLH
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
140
55
40
125
50
40
145
55
40
125
50
40
115
50
35
110
45
35
130
55
40
280
110
80
250
100
80
290
110
80
250
100
80
230
100
70
220
90
70
260
105
75
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
113 ns
+
(0,55 ns/pF) C
L
44 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
118 ns
+
(0,55 ns/pF) C
L
44 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
88 ns
+
(0,55 ns/pF) C
L
39 ns
+
(0,23 ns/pF) C
L
27 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
SYMBOL
MIN.
TYP.
MAX.
TYPICAL EXTRAPOLATION
FORMULA
January 1995
4
PHILIPS [ NXP SEMICONDUCTORS ]
