MB15A01 Fujitsu Microelectronics, MB15A01 Datasheet - Page 4

• Manufacturer Part Number: MB15A01
• Description: Bi-cmos 1.1 GHZ PLL Frequency Synthesizer
• Manufacturer: Fujitsu Microelectronics

4
OSC
OSC
BLOCK DIAGRAM
Clock
GND
Data
V
LE
fin
CC
OUT
IN
oscillator
1 bit latch
Crystal
Control
Prescaler
128/129
64/64
SW
SW
DATA
LE
LE
Programmable reference divider
Binary 7-bit
swallow counter
7-bit latch
Binary 14-bit
reference counter
19-bit shift register
MC
15-bit latch
Progammable divider
15-bit latch
19-bit shift register
18-bit latch
Control Circuit
Binary 11-bit
programmable
counter
11-bit latch
fr
fp
fp
fr
frequency
switching
Monitor
circuit
fr
fp
FC
comparator
Digital lock
detector
Phase
Charge
pump
LD
MB15A01
fout
LD
FC
V
D
R
P
P
O