MB15F08SL Datasheet, PDF (4/27 Pages) Fujitsu Component Limited. – Dual Serial Input PLL Frequency Synthesizer

MB15F08SL
s BLOCK DIAGRAM
VCCTX GNDTX
(4) 5 3 (2)
PSTX 7
(6)
Intermittent
mode control
(TX-PLL)
finTX 4
(3)
Prescaler
(TX-PLL)
16/17, 32/33
OSCIN 2
(1)
OR
(12)
finRX 13
XfinRX 11
(10)
Prescaler
(RX-PLL)
32/33, 64/65
PSRX 10
(9)
Intermittent
mode control
(RX-PLL)
3-bit latch
LDS SWTX FCTX
7-bit latch 11-bit latch
Binary 7-bit
fpTX
Binary 11-bit
Phase
swallow counter programmable
comp.
(TX-PLL)
counter (TX-PLL)
(TX-PLL)
Charge
pump.
(TX-PLL)
Current
Switch
8 DoTX
(7)
2-bit latch
T1 T2
14-bit latch
Binary 14-bit
programmable ref.
counter (TX-PLL)
1-bit latch
C/P setting
current
frTX
Lock
Det.
(TX-PLL)
LDTX
T1 T2
2-bit latch
frRX
Binary 14-bit
programmable ref.
counter (RX-PLL)
C/P setting
current
14-bit latch
1-bit latch
AND
Lock
Det.
(RX-PLL)
Selector
LD
frTX
frRX
fpTX
fpRX
6 LD/
(5) fout
LDS SWRX FCRX
3-bit latch
Binary 7-bit
Binary 11-bit
swallow counter programmable
(RX-PLL)
counter (RX-PLL)
7-bit latch 11-bit latch
Phase
comp.
(RX-PLL)
fpRX
Charge
pump.
(RX-PLL)
Current
Switch
9 DoRX
(8)
LE 14
(13)
(14)
Data 15
Clock 16
(15)
Schmitt
circuit
Schmitt
circuit
Schmitt
circuit
Latch selector
CC
N N 23-bit shift register
12
O -- SSOP
( ) -- BCC
4
(11)12
1 (16)
VCCRX GNDRX