INTEGRATED CIRCUITS
DATA SHEET
For a complete data sheet, please also download:
The IC06 74HC/HCT/HCU/HCMOS Logic Family Specifications
The IC06 74HC/HCT/HCU/HCMOS Logic Package Information
The IC06 74HC/HCT/HCU/HCMOS Logic Package Outlines
74HC/HCT4351
8-channel analog
multiplexer/demultiplexer with latch
December 1990
Product specication
File under Integrated Circuits, IC06Philips Semiconductors Product specication
8-channel analog
74HC/HCT4351
multiplexer/demultiplexer with latch
FEATURES The 74HC/HCT4351 are 8-channel analog
multiplexers/demultiplexers with three select inputs (S to
0
Wide analog input voltage range:
S ), two enable inputs (E and E ), a latch enable input
2 1 2
5 V
(LE), eight independent inputs/outputs (Y to Y ) and a
0 7
Low ON resistance:
common input/output (Z).
80 (typ.) at V - V = 4.5 V
CC EE
With E LOW and E is HIGH, one of the eight switches is
1 2
70 (typ.) at V - V = 6.0 V
CC EE
selected (low impedance ON-state) by S to S . The data
0 2
60 (typ.) at V - V = 9.0 V
CC EE
at the select inputs may be latched by using the active
Logic level translation: to enable 5 V logic to
LOW latch enable input (LE). When LE is HIGH the latch
communicate with 5 V analog signals
is transparent. When either of the two enable inputs,
E (active LOW) and E (active HIGH), is inactive, all 8
1 2
Typical break before make built in
analog switches are turned off.
Address latches provided
V and GND are the supply voltage pins for the digital
CC
Output capability: non-standard
control inputs (S to S , LE, E and E ). The V to GND
0 2 1 2 CC
I category: MSI
CC
ranges are 2.0 to 10.0 V for HC and 4.5 to 5.5 V for HCT.
The analog inputs/outputs (Y to Y , and Z) can swing
0 7
between V as a positive limit and V as a negative
CC EE
GENERAL DESCRIPTION
limit.
The 74HC/HCT4351 are high-speed Si-gate CMOS
V - V may not exceed 10.0 V.
CC EE
devices. They are specified in compliance with JEDEC
standard no. 7A.
For operation as a digital multiplexer/demultiplexer, V is
EE
connected to GND (typically ground).
QUICK REFERENCE DATA
V = GND = 0 V; T =25 C; t =t = 6 ns
EE amb r f
TYPICAL
SYMBOL PARAMETER CONDITIONS UNIT
HC HCT
t / t turn ON time E , E or S to V C = 15 pF; R =1 k; V = 5 V 2735ns
PZH PZL 1 2 n os L L CC
t / t turn OFF time E , E or S to V 21 23 ns
PHZ PLZ 1 2 n os
C input capacitance 3.5 3.5 pF
I
C
power dissipation capacitance per switch notes 1 and 2 25 25 pF
PD
C max. switch capacitance
S
independent (Y) 5 5 pF
common (Z) 25 25 pF
Notes
2. For HC the condition is V = GND to V
1. C is used to determine the dynamic power
I CC
PD
For HCT the condition is V = GND to V - 1.5 V
dissipation (P in W): I CC
D
2 ) 2
P =C V f + {(C + C V f }
D PD CC i L S CC o
where:
ORDERING INFORMATION
f = input frequency in MHz
i
See 74HC/HCT/HCU/HCMOS Logic Package
f = output frequency in MHz Information.
o
C = output load capacitance in pF
L
C = max. switch capacitance in pF
S
) 2
{(C + C V f } = sum of outputs
L S CC o
V = supply voltage in V
CC
December 1990 2