MB15U10 Fujitsu Microelectronics, Inc., MB15U10 Datasheet - Page 4

• Manufacturer Part Number: MB15U10
• Description: Dual Serial Input Pll Frequency Synthesizer On-chip 1.1 Ghz Prescaler
• Manufacturer: Fujitsu Microelectronics, Inc.

4
MB15U10
OSC
OSC
Clock
BLOCK DIAGRAM
Data
f
PS
f
out
LE
in1
in2
in
10
15
13
12
11
6
5
8
Power sav-
ing circuit
Power sav-
ing circuit
oscillator
Crystal
V
PS2
PS1
DD1
4
Shift register (21-bit)
Latch selector
17-bit latch (comparisonal division)
17-bit latch (comparisonal division)
Reference counter
14-bit latch (referencial division)
(binary 17-bit)
Main counter
PLL1
PLL2
(binary 17-bit)
Main counter
fr1
V
10-bit latch
14
DD2
SR
P0
+1/+2
DGND
TS
P1, 2, 3
7
fp1
fp2
fr2
OLA, B
CR1, 2
AGND
16
comparator
comparator
Phase
Phase
P0
LD1
fp1
fr2
fp2
LD2
OLA, B
Selector
Selector
CR1
CR2
Charge
Charge
pump
pump
ISET
17
18
19
20
3
9
1
2
V
P0/LD
P1/fp1
P2/fp2
Do
Do
P3/fr2
I
SET
P
2
1