MB15F72UL Datasheet, PDF (4/27 Pages) Fujitsu Component Limited. – Dual Serial Input PLL Frequency Synthesizer

MB15F72UL
s BLOCK DIAGRAM
VCCIF GNDIF
(4) 6
5 (3)
VpIF
8 (6)
PSIF 7
(5)
Intermittent
mode control
(IF-PLL)
finIF 3
(1)
XfinIF 4
(2)
Prescaler
(IF-PLL)
(8/9, 16/17
OSCIN 1
(19)
OR
(15)
finRF 17
XfinRF 16
(14)
Prescaler
(RF-PLL)
(64/65, 128/129)
PSRF 13
(11)
Intermittent
mode control
(RF-PLL)
3 bit latch
7 bit latch 11 bit latch
Binary 7-bit
Binary 11-bit ^fpIF
swallow counter programmable
(IF-PLL) counter (IF-PLL)
Phase
comp.
(IF-PLL)
Charge
pump
(IF-PLL)
Current
Switch
9 DoIF
(7)
2 bit latch
T1 T2
14 bit latch
Binary 14-bit pro-
grammable ref.
counter(IF-PLL)
1 bit latch
C/P setting
counter
frIF
T1 T2
2 bit latch
frRF
Binary 14-bit pro-
grammable ref.
counter (RF-PLL))
14 bit latch
C/P setting
counter
1 bit latch
Lock Det.
(IF-PLL)
LDIF
AND
LDRF
Lock Det.
(RF-PLL)
Fast
lock
Tuning
Selector
LD
frIF
frRF
fpIF
fpRF
10 LD/
(8) fout
3 bit latch
Binary 7-bit
Binary 11-bit
Phase
swallow counter programmable
comp.
(RF-PLL)
counter (RF-PLL)
(RF-PLL)
fpRF
7 bit latch
11 bit latch
Charge _Current
pump
(RF-PLL)
Switch
11 DoRF
(9)
LE 18
(16)
(17)
Data 19
Clock 20
(18)
Schmitt
circuit
Schmitt
circuit
Schmitt
circuit
Latch selector
CC
N N _{23-bit shift register}
12
O : TSSOP
( ) : BCC
4
2 (20)
GND
(12) 14 15 (13)
VCCRF GNDRF
12 (10)
VpRF