sy89430v Micrel Semiconductor, sy89430v Datasheet - Page 3

• Manufacturer Part Number: sy89430v
• Description: Sy89430v Programmable Frequency Synthesizer 50mhz To 950mhz
• Manufacturer: Micrel Semiconductor

Micrel, Inc.
NOTE:
Pin numbers reference PLCC pinout.
M9999-011106
[e-mail] or [phone]
Fundamental
10–25MHz
BLOCK DIAGRAM
DETAILED BLOCK DIAGRAM
Crystal
S_
S_
S_
P_
Fundamental
CLOCK
10-25MHz
LOAD
DATA
LOAD
Crystal
INTERFACE
3 WIRE
10pF
27
26
28
4
5
7
XTAL1
XTAL2
÷ 8
OSC
FREF
OSC
÷ 8
LOOP_FILTER
150
L = LATCH
H = Transparent
FREF
2
SERIAL
9-BIT SR
PHASE DETECTOR
8 -> 16
3300pF
COUNTER
9-BIT ÷ M
CONFIG INFO
LATCH
0
LOOP_REF
M[8:0]
PARALLEL
PHASE DETECTOR
1
9
3
0.47µF
÷ M
INTERFACE
+3.3V
+5.0V
3
or
LOGIC
1
VCO
0
400 – 950
VCO
MHz
400 - 950
PLL
2-BIT SR
MHz
T110
V
17,18
CC_QUIET
+3.3V
+5.0V
or
(2,4,8,1)
0
LATCH
÷ N
N[1:0]
1
1
2
÷ N
19,22
3-BIT SR
LATCH
+3.3V
+5.0V
V
or
PECL
CC1
S_
V
CC_OUT
CLOCK
6, 21
FOUT ÷ 4 —
FOUT —
FREF —
HIGH —
LOW —
÷ M —
÷ M —
7
6
5
4
3
2
1
0
FOUT
TEST
Precision Edge
25
24
23
20
+3.3V
+5.0V
SY89430V
or
FOUT
FOUT
TEST
®