hef4059b NXP Semiconductors, hef4059b Datasheet - Page 6

• Manufacturer Part Number: hef4059b
• Description: Programmable Divide-by-n Counter
• Manufacturer: NXP Semiconductors

Philips Semiconductors
AC CHARACTERISTICS
V
AC CHARACTERISTICS
V
January 1995
Dynamic power
Propagation delays
Output transition times
Maximum clock
SS
SS
Programmable divide-by-n counter
dissipation per
package (P); n = 3
n = 1000
CP
pulse frequency
= 0 V; T
= 0 V; T
HIGH to LOW
LOW to HIGH
HIGH to LOW
LOW to HIGH
O
amb
amb
= 25 C; input transition times
= 25 C; C
L
V
= 50 pF; input transition times
V
DD
10
15
10
15
10
15
10
15
10
15
V
10
15
10
15
5
5
5
5
5
V
DD
5
5
t
t
t
t
f
SYMBOL
PHL
PLH
THL
TLH
max
TYPICAL FORMULA FOR P ( W)
20 ns
15 000 f
MIN.
1 100 f
5 500 f
3 500 f
9 000 f
10,0
500 f
3,5
7,5
i
i
i
i
i
i
6
TYP.
100
20 ns
(f
(f
(f
(f
(f
(f
90
45
35
50
40
30
15
10
45
25
16
15
20
o
o
o
o
o
o
7
C
C
C
C
C
C
L
L
L
L
L
L
)
)
)
)
)
)
V
V
V
V
V
V
MAX.
DD
DD
DD
DD
DD
DD
180
200
100
90
70
80
60
30
20
90
50
32
2
2
2
2
2
2
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
MHz
MHz
where
f
f
C
V
i
o
DD
= input freq. (MHz)
L
(f
= output freq. (MHz)
TYPICAL EXTRAPOLATION
o
= load capacitance (pF)
78 ns
40 ns
32 ns
76 ns
40 ns
33 ns
10 ns
10 ns
C
= supply voltage (V)
6 ns
4 ns
9 ns
5 ns
L
) = sum of outputs
FORMULA
Product specification
HEF4059B
(0,25 ns/pF) C
(0,10 ns/pF) C
(0,07 ns/pF) C
(0,48 ns/pF) C
(0,20 ns/pF) C
(0,15 ns/pF) C
(0,40 ns/pF) C
(0,18 ns/pF) C
(0,13 ns/pF) C
(0,70 ns/pF) C
(0,33 ns/pF) C
(0,23 ns/pF) C
LSI
L
L
L
L
L
L
L
L
L
L
L
L