Datasheet

September 1993 2
Philips Semiconductors Product specification
16-channel analog
multiplexer/demultiplexer
74HC/HCT4067
FEATURES
• Low “ON” resistance:
80 Ω (typ.) at V
CC
= 4.5 V
70 Ω (typ.) at V
CC
= 6.0 V
60 Ω (typ.) at V
CC
= 9.0 V
typical “break before make” built-in
• Output capability: non-standard
• I
CC
category: MSI
GENERAL DESCRIPTION
The 74HC/HCT4067 are high-speed Si-gate CMOS
devices and are pin compatible with the “4067” of the
“4000B” series. They are specified in compliance with
JEDEC standard no. 7A.
The 74HC/HCT4067 are 16-channel analog
multiplexers/demultiplexers with four address inputs (S
0
to
S
3
) , an active LOW enable input (E), sixteen independent
inputs/outputs (Y
0
to Y
15
) and a common input/output (Z).
The ”4067” contains sixteen bidirectional analog switches,
each with one side connected to an independent
input/output (Y
0
to Y
15
) and the other side connected to a
common input/output (Z).
With E LOW, one of the sixteen switches is selected (low
impedance ON-state) by S
0
to S
3
. All unselected switches
are in the high impedance OFF-state. With E HIGH, all
switches are in the high impedance OFF-state,
independent of S
0
to S
3
.
The analog inputs/outputs (Y
0
to Y
15
, and Z) can swing
between V
CC
as a positive limit and GND as a negative
limit. V
CC
to GND may not exceed 10 V.
QUICK REFERENCE DATA
GND = 0 V; T
amb
= 25 °C; t
r
= t
f
= 6 ns
Notes
1. C
PD
is used to determine the dynamic power dissipation (P
D
in µW):
P
D
= C
PD
× V
CC
2
× f
i
+∑{(C
L
+ C
S
) × V
CC
2
× f
o
} where:
f
i
= input frequency in MHz
f
o
= output frequency in MHz
∑ {(C
L
+ C
S
) × V
CC
2
× f
o
} = sum of outputs
C
L
= output load capacitance in pF
C
S
= max. switch capacitance in pF
V
CC
= supply voltage in V
2. For HC the condition is V
I
= GND to V
CC
For HCT the condition is V
I
= GND to V
CC
− 1.5 V
SYMBOL PARAMETER CONDITIONS
TYPICAL
UNIT
HC HCT
t
PZL
/ t
PZH
turn-on time C
L
= 15 pF; R
L
=1 kΩ; V
CC
= 5 V
E to V
os
26 32 ns
S
n
to V
os
29 33 ns
t
PLZ
/ t
PHZ
turn-off time
E to V
os
27 26 ns
S
n
to V
os
29 30 ns
C
I
input capacitance 3.5 3.5 pF
C
PD
power dissipation capacitance per switch notes 1 and 2 29 29 pF
C
S
max. switch capacitance
independent (Y) 5 5 pF
common (Z) 45 45 pF