Datasheet

January 1995 7
Philips Semiconductors Product specification
8-channel analogue multiplexer/demultiplexer
HEF4051B
MSI
AC CHARACTERISTICS
V
EE
=V
SS
= 0 V; T
amb
=25°C; input transition times ≤ 20 ns
AC CHARACTERISTICS
V
EE
=V
SS
= 0 V; T
amb
=25°C; input transition times ≤ 20 ns
V
DD
V
TYPICAL FORMULA FOR P (µW)
Dynamic power 5 1 000 f
i
+∑(f
o
C
L
) × V
DD
2
where
dissipation per 10 5 500 f
i
+∑(f
o
C
L
) × V
DD
2
f
i
= input freq. (MHz)
package (P) 15 15 000 f
i
+∑(f
o
C
L
) × V
DD
2
f
o
= output freq. (MHz)
C
L
= load capacitance (pF)
∑(f
o
C
L
) = sum of outputs
V
DD
= supply voltage (V)
V
DD
V
SYMBOL TYP. MAX.
Propagation delays
V
is
→ V
os
51530ns
note 1HIGH to LOW 10 t
PHL
510ns
15 5 10 ns
51530ns
note 1LOW to HIGH 10 t
PLH
510ns
15 5 10 ns
A
n
→ V
os
5 150 300 ns
note 2HIGH to LOW 10 t
PHL
60 120 ns
15 45 90 ns
5 150 300 ns
note 2LOW to HIGH 10 t
PLH
65 130 ns
15 45 90 ns
Output disable times
E → V
os
5 120 240 ns
note 3HIGH 10 t
PHZ
90 180 ns
15 85 170 ns
5 145 290 ns
note 3LOW 10 t
PLZ
120 240 ns
15 115 230 ns
Output enable times
E → V
os
5 140 280 ns
note 3HIGH 10 t
PZH
55 110 ns
15 40 80 ns
5 140 280 ns
note 3LOW 10 t
PZL
55 110 ns
15 40 80 ns