Philips Semiconductors
Product specification
14-stage ripple-carry binary counter/divider
and oscillator
HEF4060B
MSI
AC CHARACTERISTICS
VSS = 0 V; Tamb = 25 °C; input transition times ≤ 20 ns
VDD
V
TYPICAL FORMULA FOR P (µW)(1)
2
2
2
Dynamic power dissipation
5
10
15
5
700 fi
3 300 fi
8 900 fi
+
+
+
foCLVDD
foCLVDD
foCLVDD
per package
(P)
2
2
Total power dissipation
when using the
on-chip oscillator (P)
700 fosc + foCLVDD + 2CtVDD fosc
+
+
690 VDD
2
2
10
15
3 300 fosc + foCLVDD + 2CtVDD fosc
6 900 VDD
2
2
8 900 fosc + foCLVDD + 2CtVDD fosc + 22 000 VDD
Notes
1. where:
fi = input frequency (MHz)
fo = output frequency (MHz)
CL = load capacitance (pF)
VDD = supply voltage (V)
Ct = timing capacitance (pF)
fosc = oscillator frequency (MHz)
RC oscillator
Typical formula for oscillator frequency:
1
fosc = --------------------------------
2,3 × Rt × Ct
Fig.4 External component connection for RC oscillator.
January 1995
5
NXP [ NXP ]
