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IC BLOCK DIAGRAM & DESCRIPTION
IC241 LC72121M-D(PLL Synthesizer)
Vssx
2
XIN
1
XOUT
24
FMIN
17
AMIN
16
CE
3
DI
4
CL
5
DO
6
V
18
DD
Vssd
15
IC471,801 AT24C02N-10SI-2.7(EE Prom)
VCC
8
GND
4
WP
7
SCL
6
SDA
5
A
3
2
A
2
1
A
1
0
D
IN
REFERENCE
DIVIDER
SWALLOW COUNTER
1/2
1/16, 1/17 4bits
12bits PROGRAMMABLE
DIVIDER
CCB
DATA SHIFT REGISTER LATCH
I / F
POWER
ON
RESET
8
7
BO1 BO2 BO3 BO4
START
STOP
LOGIC
LOAD
COMP
DEVICE
ADDRESS
COMPARATOR
R/W
DATA WORD
ADDR/COUNTER
D
OUT
9
10
11
14
IO1 IO2
SERIAL
FN
CONTROL
LOGIC
LOAD
INC
V DEC
- 24 -
PHASE DETECTOR
CHARGE PUMP
UNLOCK
DETECTOR
UNIVERSAL
COUNTER
H.V. PUMP/TIMING
DATA RECOVERV
EEOROM
SERIAL MUX
D
/ACK
OUT
LOGIC
19
PD
20
AIN
21
AOUT
22
Vssa
13
IFIN
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