hef4518b NXP Semiconductors, hef4518b Datasheet - Page 5

• Manufacturer Part Number: hef4518b
• Description: Dual Bcd Counter
• Manufacturer: NXP Semiconductors

Philips Semiconductors
AC CHARACTERISTICS
V
January 1995
Dynamic power
SS
Dual BCD counter
dissipation per
package (P)
= 0 V; T
amb
Fig.4 Waveforms showing recovery time for MR; minimum CP
= 25 C; input transition times
V
V
DD
10
15
5
3300 f
8000 f
750f
TYPICAL FORMULA FOR P ( W)
i
i
i
20 ns
(f
(f
(f
o
o
o
C
C
C
L
L
L
)
)
)
5
V
V
V
DD
DD
DD
2
2
2
0
, CP
1
C
where
f
f
V
i
o
and MR pulse widths.
DD
= input freq. (MHz)
L
(f
= output freq. (MHz)
= load capacitance (pF)
o
C
= supply voltage (V)
L
) = sum of outputs
Product specification
HEF4518B
MSI