MB15F74UV_04 Datasheet, PDF (4/25 Pages) Fujitsu Component Limited. – Dual Serial Input PLL Frequency Synthesizer

MB15F74UV
s BLOCK DIAGRAM
VCCIF GNDIF
(5) (4)
PSIF (7)
Intermittent
mode control
(IF-PLL)
finIF (2)
XfinIF (3)
Prescaler
(IF-PLL)
(32/33, 64/65)
OSCIN (18)
OR
finRF (14)
XfinRF (13)
Prescaler
(RF-PLL)
(64/65, 128/129)
PSRF (9)
Intermittent
mode control
(RF-PLL)
3 bit latch
7 bit latch 11 bit latch
Binary 7-bit
Binary 11-bit
swallow counter programmable
(IF-PLL) counter (IF-PLL)
fpIF
Phase Fast
comp. lock
(IF-PLL) Tuning
Charge _Current
pump _Switch
(IF-PLL)
(6) DoIF
2 bit latch
T1 T2
14 bit latch
Binary 14-bit pro-
grammable ref.
counter(IF-PLL)
1 bit latch
C/P setting
counter
Lock Det.
(IF-PLL)
LDIF
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
fpRF
AND
LDRF
Lock Det.
(RF-PLL)
Fast
lock
Tuning
Selector
LD
frIF
frRF
fpIF
fpRF
(8) LD/
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
pump
Current
Switch
(RF-PLL)
(10) DoRF
LE (15)
Data (16)
Clock(17)
Schmitt
trigger
circuit
Schmitt
trigger
circuit
Schmitt
trigger
circuit
Latch selector
CC
N N _{23-bit shift register}
12
(1)
GND
(11) (12)
VCCRF GNDRF
4