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SY89429V Datasheet(PDF) 2 Page - Micrel Semiconductor

Part # SY89429V
Description  5V/3.3V PROGRAMMABLE FREQUENCY SYNTHESIZER 25MHz to 400MHz
PDF  9 Pages
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Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

SY89429V Datasheet(HTML) 2 Page - Micrel Semiconductor

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2
ClockWorks™
SY89429V
Micrel
BLOCK DIAGRAM
DETAILED BLOCK DIAGRAM
NOTE:
Pin numbers reference PLCC pinout.
+3.3V
or
+5.0V
PHASE DETECTOR
PLL
÷ M
÷ 8
OSC
INTERFACE
LOGIC
SERIAL
PARALLEL
÷ N
FREF
PECL
FOUT
400 – 800MHz
TEST
CONFIG INFO
3 WIRE
INTERFACE
10-25MHz
Fundamental
Crystal
VCO
7
FOUT ÷ 4 —
S_CLOCK ÷ M —
LOW —
FOUT —
÷ M —
FREF —
HIGH —
+3.3V
or
+5.0V
PHASE DETECTOR
÷ 8
OSC
FREF
FOUT
VCO
400 - 800
MHz
LOOP_FILTER
LOOP_REF
VCC_QUIET
23
1
XTAL1
XTAL2
25
VCC_OUT
FOUT
24
23
LATCH
3-BIT SR
01
01
6, 21
8 -> 16
9
M[8:0]
17,18
N[1:0]
19,22
S_CLOCK
S_DATA
P_LOAD
S_LOAD
4
5
28
7
27
26
10–25MHz
Fundamental
Crystal
VCC1
÷ N
(2,4,8,16)
2
10
9-BIT ÷ M
COUNTER
LATCH
LATCH
2-BIT SR
9-BIT SR
TEST
20
T110
+3.3V
or
+5.0V
+3.3V
or
+5.0V
150
3300pF
0.47µF
L = LATCH
H = Transparent
6
5
4
3
2
1
0



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