MC74HC4851A_16 Datasheet, PDF (2/16 Pages) ON Semiconductor – Analog Multiplexers/ Demultiplexers

MC74HC4851A, MC74HC4852A
X0 ¹³
X1 ¹⁴
ANALOG
INPUTS/
OUTPUTS
X2 ¹⁵
X3 ¹²
X4 ¹
MULTIPLEXER/
DEMULTIPLEXER
X5 ⁵
X6 ²
X7 ⁴
A ¹¹
CHANNEL
SELECT
B ¹⁰
INPUTS _C ⁹
ENABLE ⁶
PIN 16 = V_CC
PIN 8 = GND
3
X
COMMON
OUTPUT/
INPUT
Figure 1. MC74HC4851A Logic Diagram
Single−Pole, 8−Position Plus Common Off
V_CC X2 X1 X0 X3 A B C
16 15 14 13 12 11 10 9
12345678
X4 X6 X X7 X5 Enable NC GND
Figure 2. MC74HC4851A 16−Lead Pinout (Top View)
FUNCTION TABLE − MC74HC4851A
Control Inputs
Enable
Select
CBA
ON Channels
L
LLL
L
L LH
L
LHL
L
L HH
L
HL L
L
HLH
L
HH L
L
HHH
H
XXX
X0
X1
X2
X3
X4
X5
X6
X7
NONE
X6 2
X4 V_CC
1 16
15 X2
X3
14 X1
X7 4
X5 5
GND
13 X0
12 X3
ENABLE 6
11 A
N7
C
89
GND C
10 B
Figure 3. MC74HC4851A QFN Pinout
FUNCTION TABLE − MC74HC4852A
Control Inputs
ANALOG
INPUTS/OUTPUTS
CHANNEL‐SELECT
INPUTS
X0 ¹²
X1 ¹⁴
X2 ¹⁵
X3 ¹¹
Y0 ¹
Y1 ⁵
Y2 ²
Y3 ⁴
A ¹⁰
B⁹
ENABLE ⁶
X SWITCH
Y SWITCH
13 _X
COMMON
OUTPUTS/INPUTS
3_Y
Enable
Select
B
A
L
L
L
L
L
H
L
H
L
L
H
H
H
X
X
X = Don’t Care
ON Channels
Y0
X0
Y1
X1
Y2
X2
Y3
X3
NONE
PIN 16 = V_CC
PIN 8 = GND
V_CC X2 X1 X X0 X3 A B
16 15 14 13 12 11 10 9
Figure 4. MC74HC4852A Logic Diagram
Double−Pole, 4−Position Plus Common Off
12345678
Y0 Y2 Y Y3 Y1 Enable NC GND
Figure 5. MC74HC4852A 16−Lead Pinout (Top View)
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