MB505-16
D
C
Q
Q
D
C
Q
Q
D
C
Q
Q
Input
Buffer
IN
IN
SW
D
C
Q
Q
D
C
Q
Q
D
C
Q
Q
D
SW
C
Q
Q
D
C
Q
Q
Output
Buffer
OUT
SW
H
Divide Ratio
1/128
L
1/256
Note: SW: H = V , L = open
CC
Figure 1. MB505 Block Diagram
PIN DESCRIPTION
Pin Number
Symbol
Function
1
2
3
4
5
6
7
8
IN
Input
V
CC
Power Supply Voltage
SW
OUT
GND
NC
Divide Ratio Control Input Selecting Divide Ratio (See Divide Ratio Table)
Output
Ground
No Connection
No Connection
Complementary Input
NC
IN
2