MC54/74HC4051 MC74HC4052 MC54/74HC4053
V
V
CC
CC
+5V
V
CC
16
ON/OFF
D
D
16
x
x
+5V
–5V
+5V
–5V
ANALOG
SIGNAL
ANALOG
SIGNAL
ON
D
D
x
x
V
V
EE
EE
TO EXTERNAL CMOS
CIRCUITRY 0 to 5V
DIGITAL SIGNALS
6
7
8
11
10
9
7
8
–5V
V
EE
Figure 15. Application Example
Figure 16. External Germanium or
Schottky Clipping Diodes
+5V
+5V
16
ON/OFF
16
ON/OFF
+5V
+5V
+5V
+5V
ANALOG
SIGNAL
ANALOG
SIGNAL
ANALOG
SIGNAL
ANALOG
SIGNAL
V
V
V
V
EE
EE
EE
EE
+5V
*
R
R
R
+5V
6
7
8
11
10
9
6
7
8
11
10
9
LSTTL/NMOS
CIRCUITRY
LSTTL/NMOS
CIRCUITRY
V
V
EE
EE
* 2K
≤ R ≤ 10K
HCT
BUFFER
a. Using Pull–Up Resistors
b. Using HCT Interface
Figure 17. Interfacing LSTTL/NMOS to CMOS Inputs
11
10
9
13
X0
LEVEL
SHIFTER
A
14
X1
15
X2
LEVEL
SHIFTER
B
C
12
X3
1
LEVEL
SHIFTER
X4
5
X5
6
2
LEVEL
SHIFTER
ENABLE
X6
4
X7
3
X
Figure 18. Function Diagram, HC4051
High–Speed CMOS Logic Data
DL129 — Rev 6
11
MOTOROLA
MOTOROLA [ MOTOROLA ]
