MC74HC4851A,
MC74HC4852A
Analog Multiplexers/
Demultiplexers with
Injection Current Effect
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Control
Automotive Customized
These devices are pin compatible to standard HC405x and
MC1405xB analog mux/demux devices, but feature injection current SOIC16 SOIC16 WIDE
D SUFFIX DW SUFFIX
effect control. This makes them especially suited for usage in
CASE 751B CASE 751G
automotive applications where voltages in excess of normal logic
voltage are common.
The injection current effect control allows signals at disabled analog
1
input channels to exceed the supply voltage range without affecting
TSSOP16 QFN16
the signal of the enabled analog channel. This eliminates the need for
DT SUFFIX MN SUFFIX
external diode/resistor networks typically used to keep the analog
CASE 485AW
CASE 948F
channel signals within the supply voltage range.
The devices utilize low power silicon gate CMOS technology.
MARKING DIAGRAMS
The Channel Select and Enable inputs are compatible with standard
CMOS outputs.
16
16
HC4851A
Features HC485xAG
AWLYWWG
AWLYWW
Injection Current CrossCoupling Less than 1 mV/mA (See
1
Figure 10)
1
SOIC16
Pin Compatible to HC405X and MC1405XB Devices SOIC16 WIDE
Power Supply Range (V GND) = 2.0 to 6.0 V 16
CC
In Compliance With the Requirements of JEDEC Standard No. 7 A HC48
5xA
4851
Chip Complexity: 154 FETs or 36 Equivalent Gates
ALYW
ALYW
NLV Prefix for Automotive and Other Applications Requiring
1
Unique Site and Control Change Requirements; AECQ100
TSSOP16
QFN16
Qualified and PPAP Capable
These Devices are PbFree, Halogen Free and are RoHS Compliant
x = 1 or 2
A = Assembly Location
WL, L = Wafer Lot
YY, Y = Year
WW, W = Work Week
G or = PbFree Package
(Note: Microdot may be in either location)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 12 of this data sheet.
This document contains information on some products that are still under development.
ON Semiconductor reserves the right to change or discontinue these products without
notice.
Semiconductor Components Industries, LLC, 2016
1 Publication Order Number:
July, 2016 Rev. 18 MC74HC4851A/DMC74HC4851A, MC74HC4852A
13
X0
14
FUNCTION TABLE MC74HC4851A
X1
15
X2
Control Inputs
ANALOG
12
MULTIPLEXER/
X3
3 COMMON
INPUTS/
Select
X
1
DEMULTIPLEXER
OUTPUTS OUTPUT/
X4 Enable CBA ON Channels
5 INPUT
X5
L L L L X0
2
X6 L L L H X1
4
L L H L X2
X7
11
L L H H X3
A
CHANNEL L H L L X4
10
B
SELECT
L H L H X5
9
INPUTS
C
L H H L X6
6
L H H H X7
ENABLE
PIN 16 = V
H X X X NONE
CC
PIN 8 = GND
Figure 1. MC74HC4851A Logic Diagram
SinglePole, 8Position Plus Common Off
V
X4
CC
V X2 X1 X0 X3 A B C 116
CC
X6215 X2
16 15 14 13 12 11 10 9
X314 X1
X7413 X0
GND
X5512 X3
ENABLE611 A
N710 B
1 2 34567 8 89
C
X4 X6 X X7 X5 Enable NC GND C
GND
Figure 2. MC74HC4851A 16Lead Pinout (Top View) Figure 3. MC74HC4851A QFN Pinout
FUNCTION TABLE MC74HC4852A
Control Inputs
Select
Enable BA ON Channels
12
X0
L L L Y0 X0
14
X1
13 L L H Y1 X1
X SWITCH
X
15
L H L Y2 X2
X2
11
L H H Y3 X3
X3
COMMON
ANALOG
H X X NONE
INPUTS/OUTPUTS OUTPUTS/INPUTS
1
Y0
X = Dont Care
5
3
Y1
Y
Y SWITCH
2
Y2
4
Y3
V X2 X1 X X0 X3 A B
CC
10
A
16 15 14 13 12 11 10 9
CHANNELSELECT
9
PIN 16 = V
CC
INPUTS
B
PIN 8 = GND
6
ENABLE
Figure 4. MC74HC4852A Logic Diagram
DoublePole, 4Position Plus Common Off
1 2 3 4 567
8
Y0 Y2 Y Y3 Y1 Enable NC GND
Figure 5. MC74HC4852A 16Lead Pinout (Top View)
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2