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Número de pieza
componentes Descripción
HEF4017BD Ver la hoja de datos (PDF) - Philips Electronics
Número de pieza
componentes Descripción
Fabricante
HEF4017BD
5-stage Johnson counter
Philips Electronics
HEF4017BD Datasheet PDF : 8 Pages
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Philips Semiconductors
5-stage Johnson counter
Product specification
HEF4017B
MSI
Output transition
times
HIGH to LOW
LOW to HIGH
V
DD
V
SYMBOL MIN.
TYP.
5
60
10 t
THL
30
15
20
5
60
10 t
TLH
30
15
20
MAX.
TYPICAL EXTRAPOLATION
FORMULA
120 ns
60 ns
40 ns
120 ns
60 ns
40 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
AC CHARACTERISTICS
V
SS
= 0 V; T
amb
= 25
°
C; C
L
= 50 pF; input transition times
≤
20 ns
V
DD
V
SYMBOL MIN.
TYP.
Hold times
CP
0
→
CP
1
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
t
hold
15
5
10
t
hold
15
5
10
t
WCPL
=
t
WCPH
15
5
10
t
WMRH
15
5
10 t
RMR
15
5
10 f
max
15
90
45
40
20
20
10
80
40
40
20
30
10
80
40
40
20
30
15
50
25
30
15
20
10
60
30
30
15
20
10
6
12
12
24
15
30
MAX.
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
MHz
MHz
see also waveforms
Figs 4 and 5
V
DD
V
Dynamic power
5
dissipation per
10
package (P)
15
TYPICAL FORMULA FOR P (
µ
W)
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
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