MB15C03 Datasheet, PDF (4/24 Pages) Fujitsu Component Limited. – Single Serial Input PLL Frequency Synthesizer On-Chip prescaler

MB15C03
s BLOCK DIAGRAM
VDD 1
Intermittent
mode control
circuit
Clock 2
Data 3
Control
register
Programmable
reference divider
Binary 14-bit
fr
reference counter
14
14-bit latch
14
18-bit shift register
18
Crystal
Oscillator
circuit
fr
Phase
comparator
fp
16 VSS
15 OSCIN
14 OSCOUT
13 TEST
12 _FC
11 fp
10 _fr
LE 4
fin 5
PS 6
LD 7
Lock detector
Do ₈
18-bit latch
6
12
Prescaler _{Binary 6-bit Binary 12-bit}
swallow programma-
fp
counter
ble counter
Control Circuit
Charge
pump
9 VP
4