MC74HC4051A_06 Datasheet, PDF (11/18 Pages) ON Semiconductor – Analog Multiplexers / Demultiplexers

MC74HC4051A, MC74HC4052A, MC74HC4053A
+5V
+5V
ANALOG
16
ANALOG
+5V
ON
−5V
SIGNAL
SIGNAL
−5V
6
11
TO EXTERNAL CMOS
7
10
CIRCUITRY 0 to 5V
8
9
DIGITAL SIGNALS
−5V
Figure 15. Application Example
V_CC
V_CC
V_CC
D_x
16
D_x
ON/OFF
D_x
D_x
V_EE
V_EE
7
8
V_EE
Figure 16. External Germanium or
Schottky Clipping Diodes
+5V
+5V
ANALOG
16
ANALOG
+5V
ON/OFF
V_EE
SIGNAL
SIGNAL
+5V
V_EE
*
RRR
+5V
+5V
ANALOG
16
ANALOG
+5V
ON/OFF
V_EE
SIGNAL
SIGNAL
V_EE
+5V
6
11
7
10
8
9
LSTTL/NMOS
CIRCUITRY
V_EE
* 2K ≤ R ≤ 10K
a. Using Pull−Up Resistors
6
11
7
10
8
9
V_EE
HCT
BUFFER
b. Using HCT Interface
LSTTL/NMOS
CIRCUITRY
Figure 17. Interfacing LSTTL/NMOS to CMOS Inputs
A ¹¹
LEVEL
SHIFTER
13 _X0
14 _X1
B ¹⁰
LEVEL
SHIFTER
15 _X2
12 _X3
C9
LEVEL
SHIFTER
1 _X4
5 _X5
ENABLE ⁶
LEVEL
SHIFTER
2 _X6
4 _X7
3X
Figure 18. Function Diagram, HC4051A
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