Philips Semiconductors
Product specification
5-stage Johnson counter
HEF4017B
MSI
MIN.
TYP.
MAX.
TYPICAL EXTRAPOLATION
FORMULA
ns
ns
ns
ns
ns
ns
10 ns
+
(1,0 ns/pF) C
L
9 ns
+
(0,42 ns/pF) C
L
6 ns
+
(0,28 ns/pF) C
L
10 ns
+
(1,0 ns/pF) C
L
9 ns
+
(0,42 ns/pF) C
L
6 ns
+
(0,28 ns/pF) C
L
V
DD
V
Output transition
times
HIGH to LOW
5
10
15
5
LOW to HIGH
10
15
SYMBOL
60
t
THL
30
20
60
t
TLH
30
20
120
60
40
120
60
40
AC CHARACTERISTICS
V
SS
= 0 V; T
amb
= 25
°C;
C
L
= 50 pF; input transition times
≤
20 ns
V
DD
V
Hold times
CP
0
→CP
1
5
10
15
5
CP
1
→
CP
0
Minimum clock
pulse width:
CP
0
= LOW;
CP
1
= HIGH
Minimum MR
pulse width; HIGH
Recovery time
for MR
Maximum clock
pulse frequency
5
10
15
5
10
15
5
10
15
5
10
15
V
DD
V
Dynamic power
dissipation per
package (P)
5
10
15
f
max
t
RMR
t
WMRH
t
WCPL
=
t
WCPH
80
40
30
50
30
20
60
30
20
6
12
15
40
20
15
25
15
10
30
15
10
12
24
30
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
MHz
MHz
see also waveforms
Figs 4 and 5
10
15
t
hold
t
hold
SYMBOL
MIN.
90
40
20
80
40
30
TYP.
45
20
10
40
20
10
MAX.
ns
ns
ns
ns
ns
ns
TYPICAL FORMULA FOR P (µW)
500 f
i
+ ∑
(f
o
C
L
)
×
V
DD2
2200 f
i
+ ∑
(f
o
C
L
)
×
V
DD2
6000 f
i
+ ∑
(f
o
C
L
)
×
V
DD2
where
f
i
= input freq. (MHz)
f
o
= output freq. (MHz)
C
L
= load cap. (pF)
∑
(f
o
C
L
) = sum of outputs
V
DD
= supply voltage (V)
January 1995
5
PHILIPS [ NXP SEMICONDUCTORS ]
