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ꢆ ꢉꢅꢄꢊ ꢁꢁꢋꢌ ꢊꢁꢊ ꢌꢍ ꢎ ꢏ ꢐꢌꢑ ꢒꢓ ꢌꢋ ꢔꢋꢕꢖ ꢗꢋꢏ ꢐꢌꢑꢒ ꢓ ꢌꢋ ꢔꢋ ꢕ
ꢘ ꢒꢑ ꢄ ꢒꢁ ꢙ ꢋꢅꢑ ꢒꢍ ꢁꢉꢅꢐꢕ ꢕꢋꢁꢑ ꢋꢚ ꢚ ꢋꢅꢑ ꢅꢍ ꢁ ꢑꢕ ꢍꢌ
SCLS542B − SEPTEMBER 2003 − REVISED JANUARY 2004
D, DGV, N, OR PW PACKAGE
(TOP VIEW)
D
Injection-Current Cross Coupling <1mV/mA
(see Figure 1)
D
Low Crosstalk Between Switches
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Y4
Y6
COM
Y7
Y5
INH
NC
V
CC
D
Pin Compatible With SN74HC4051,
SN74LV4051A, and CD4051B
Y2
Y1
Y0
Y3
A
D
D
D
2-V to 6-V V
Operation
CC
Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
B
C
ESD Protection Exceeds JESD 22
− 2000-V Human-Body Model (A114-A)
− 200-V Machine Model (A115-A)
GND
NC − No internal connection
− 1000-V Charged-Device Model (C101)
description/ordering information
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 INFORMATION
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
†
PACKAGE
T
A
PDIP − N
SOIC − D
Tube
SN74HC4851N
HC4851N
Tube
SN74HC4851D
HC4851
Tape and reel
Tube
SN74HC4851DR
SN74HC4851PW
SN74HC4851PWR
SN74HC4851DGVR
−40°C to 125°C
TSSOP − PW
TVSOP − DGV
HC4851
HC4851
Tape and reel
Tape and reel
†
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines
are available at www.ti.com/sc/package.
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.
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Copyright 2004, Texas Instruments Incorporated
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