Philips Semiconductors
Product specification
14-stage ripple-carry binary counter/divider
and oscillator
AC CHARACTERISTICS
V
SS
= 0 V; T
amb
= 25
°C;
input transition times
≤
20 ns
V
DD
V
Dynamic power dissipation
per package
(P)
Total power dissipation
when using the
on-chip oscillator (P)
Notes
1. where:
f
i
= input frequency (MHz)
f
o
= output frequency (MHz)
C
L
= load capacitance (pF)
V
DD
= supply voltage (V)
C
t
= timing capacitance (pF)
f
osc
= oscillator frequency (MHz)
RC oscillator
5
10
15
5
10
15
700 f
i
3 300 f
i
8 900 f
i
+
+
+
HEF4060B
MSI
TYPICAL FORMULA FOR P (µW)
(1)
f
o
C
L
V
DD2
f
o
C
L
V
DD2
f
o
C
L
V
DD2
690 V
DD
6 900 V
DD
700 f
osc
+
f
o
C
L
V
DD2
+
2C
t
V
DD2
f
osc
+
3 300 f
osc
+
f
o
C
L
V
DD2
+
2C
t
V
DD2
f
osc
+
8 900 f
osc
+
f
o
C
L
V
DD2
+
2C
t
V
DD2
f
osc
+
22 000 V
DD
Typical formula for oscillator frequency:
1
f
osc
= --------------------------------
-
2,3
×
R
t
×
C
t
Fig.4 External component connection for RC oscillator.
January 1995
5
PHILIPS [ NXP SEMICONDUCTORS ]
