MB15U36 Datasheet, PDF (4/23 Pages) Fujitsu Component Limited. – Dual PLL Frequency Synthesizer with On-Chip Prescaler

Block Diagram: MB15U36
MB15U36
VCC₂ GND₂
Vp₂
20 1417
19
fin₂ 16
Xfin₂ 15
Prescaler
(RF2-PLL)
64/65, 128/129
OSCOUT 9
OSCIN 8
OR
fin₁ 5
Xfin₁ 6
Prescaler
(RF1-PLL)
64/65, 128/129
2-bit latch
SW
PS
7-bit latch
Binary 7-bit
swallow counter
(RF2-PLL)
11-bit latch
Binary 11-bit
programmable
counter (RF2-PLL)
fpRF2
Phase
comp.
(RF2-PLL)
Charge pump
(RF2-PLL)
18 Do₂
5-bit latch
FC CMC ZC LDS FDS
15-bit latch
Binary 15-bit
programmable ref.
counter (RF2-PLL)
Lock Detect
(RF2-PLL)
LDRF2
frRF2
FC CMC ZC LDS FDS
5-bit latch
Binary 15-bit
programmable ref.
counter (RF1-PLL)
frRF1
15-bit latch
LDRF1
Lock Detect
(RF1-PLL)
Selector
LDRF2
LDRF1
frRF2
frRF1
fpRF2
fpRF1
10 LD/fout
SW
PS
2-bit latch
Binary 7-bit
swallow counter
(RF1-PLL)
7-bit latch
Binary 11-bit
programmable
counter (RF1-PLL)
11-bit latch
Phase
comp.
fpRF1 ^(RF1-PLL)
Charge pump
(RF1-PLL)
3 Do₁
LE 13
Data 12
Clock 11
Latch selector
CC
N N 22-bit shift register
12
1
47
2
Vcc₁ GND₂
Vp₁
Fujitsu Microelectronics, Inc. 5