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SN74HC4851-Q1
8-CHANNEL ANALOG MULTIPLEXER/DEMUL
TIPLEXER
WITH INJECTION-
CURRENT EFFECT CONTROL
SCLS554C − JANUARY 2004 − REVISED OCTOBER 2012
testing of all parameters.
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
1
•
Qualified for Automotive Applications
•
Injection-Current Cross Coupling <1mV/mA
D OR PW PACKAGE
(TOP VIEW)
(see Figure 1)
•
Low Crosstalk Between Switches
•
Pin Compatible With CD74HC4051,
SN74LV4051A, and CD4051B
•
2-V to 6-V V
CC
Operation
•
Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
Y4
1
Y6
2
COM
3
Y7
4
Y5
5
INH
6
NC
7
GND
8
16
V
CC
15
Y2
14
Y1
13
Y0
12
Y3
11
A
10
B
9
C
description/ordering information
NC − No internal connection
This eight-channel CMOS analog multiplexer/demultiplexer is pin compatible with the ’4051 function and,
additionally, features injection-current effect control, which has excellent value in automotive applications where
voltages in excess of normal supply voltages are common.
The injection-current effect control allows signals at disabled analog input channels to exceed the supply
voltage without affecting the signal of the enabled analog channel. This eliminates the need for external
diode/resistor networks typically used to keep the analog channel signals within the supply-voltage range.
ORDERING INFORMA
TION
t
T
A
PACKAGE
‡
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
−40°C to 125°C
SOIC − D
Tape and reel
SN74HC4851QDRQ1
HC4851Q
TSSOP − PW
Tape and reel
HC4851Q
TSSOP − PW
Tape and reel
SN74HC4851QPWRG4Q1
HC4851Q
†
For the most current package and ordering information, see the Package Option Addendum at the end of
this document, or see the TI web site at http://www.ti.com.
‡
Package drawings, thermal data, and symbolization are available at http://www.ti.com/packaging.
FUNCTION
T
ABLE
INPUTS
ON
CHANNEL
INH C B A
L L L L
L L L H
L L H L
L L H H
L H L L
L H L H
L H H L
L H H H
H X X X
Y0
Y
1
Y
2
Y
3
Y
4
Y
5
Y
6
Y
7
None
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information
is current as of
publication date.
Products conform
to
specifications per the terms
of
Texas
Instruments
standard warranty. Production processing does not necessarily include
Copyright © 2008−2012, Texas Instruments Incorporated

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