
MC74VHC4051, MC74VHC4052, MC74VHC4053
http://onsemi.com
12
ANALOG
SIGNAL
Figure 14. Application Example
Figure 15. External Germanium or
Schottky Clipping Diodes
a. Using Pull–Up Resistors
b. Using HCT Interface
Figure 16. Interfacing LSTTL/NMOS to CMOS Inputs
ON
6
7
8
16
+5V
–5V
ANALOG
SIGNAL
+5V
–5V
+5V
–5V
11
10
9
TO EXTERNAL CMOS
CIRCUITRY 0 to 5V
DIGITAL SIGNALS
ON/OFF
7
8
16
VCC
VEE
VEE
Dx
VCC
Dx
VEE
Dx
VCC
Dx
ANALOG
SIGNAL
ON/OFF
6
7
8
16
+5V
VEE
ANALOG
SIGNAL
+5V
VEE
+5V
VEE
11
10
9
R
*
R
R
LSTTL/NMOS
CIRCUITRY
+5V
*2K
≤
R
≤
10K
ANALOG
SIGNAL
ON/OFF
6
7
8
16
+5V
VEE
ANALOG
SIGNAL
+5V
VEE
+5V
VEE
11
10
9
LSTTL/NMOS
CIRCUITRY
+5V
HCT
BUFFER
Figure 18. Function Diagram, VHC4051
13X0
14X1
15X2
12X3
1X4
5X5
2X6
4X7
3X
LEVEL
SHIFTER
LEVEL
SHIFTER
LEVEL
SHIFTER
LEVEL
SHIFTER
11
A
10
B
9
C
6
ENABLE