MC74LVX8051 Datasheet, PDF (10/12 Pages) ON Semiconductor – Analog Multiplexer/Demultiplexer

MC74LVX8051
+5V
+5V
ANALOG
16
ANALOG
+5V
ON
0V
SIGNAL
SIGNAL
0V
6
11
TO EXTERNAL CMOS
10
CIRCUITRY 0 to 5V
8
9
DIGITAL SIGNALS
VCC
VCC ^VCC
Dx
16 ^Dx
ON/OFF
Dx
Dx
GND
GND
8
Figure 15. Application Example
Figure 16. External Germanium or
Schottky Clipping Diodes
+5V
+5V
+5V
ANALOG
16
ANALOG
+5V
+5V
ANALOG
16
ANALOG
+5V
ON/OFF
ON/OFF
GND
SIGNAL
SIGNAL
GND
+5V
GND
SIGNAL
SIGNAL
GND
*
RRR
+5V
6
11
10
8
9
LSTTL/NMOS
CIRCUITRY
6
11
10
8
9
LSTTL/NMOS
CIRCUITRY
* 2K ≤ R ≤ 10K
a. Using Pull–Up Resistors
VHCT1GT50
BUFFERS
b. Using HCT Interface
Figure 17. Interfacing LSTTL/NMOS to CMOS Inputs
11
A
LEVEL
SHIFTER
13
X0
14
X1
10
B
LEVEL
SHIFTER
15
X2
12
X3
9
C
LEVEL
SHIFTER
1
X4
5
X5
6
ENABLE
LEVEL
SHIFTER
2
X6
4
X7
3
X
Figure 18. Function Diagram, LVX8051
http://onsemi.com
10