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Número de pieza
componentes Descripción
SC9257 Ver la hoja de datos (PDF) - Silan Microelectronics
Número de pieza
componentes Descripción
Fabricante
SC9257
0.3-6.0V PLL for digital tuning systems (DTS)
Silan Microelectronics
SC9257 Datasheet PDF : 28 Pages
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Silan
Semiconductors
SC9257
BLOCK DIAGRAM
FM
IN
AM
IN
XT
XT
AMP
V
DD
FM
L
1/2
2 MODULUS
PERSCALER
PSC
4bit SWALLOW
COUNTER
POWER ON
RESET
FM
H
HF
FM
OSC
CIRCUIT
12bit PROGRAMMABLE COUNTER
LF
MODE
4
12
REFERENCE COUNTER
MAX
1ms
OSC
15
4
UNLOCK
24bit REGISTER
5
GND
RESET
TRI-STATE
BUFFER
TRI-STATE
BUFFER
OT4
DATA
CLOCK
PERIOD
24bit SHIFT REGISTER
8
ADDRESS
DECODER
TEST
5
24
22
10
24bit REGISTER
4
4
OUTPUT PORT
OT-4
OT-1 OT-3
OT-2 OT-4
20bit BINARY COUNTER
UNIVERSAL COUNTER
CONTROL
XT
1ms
GATE
AMP
AMP
DO1
DO2
I/O-5/CLK
I/O-6
I/O-9/IF
IN2
I/O-8/IF
IN1
I/O-7/SC
IN
ABSOLUTE MAXIMUM RATINGS
(Ta=25
°
C)
Characteristic
Symbol
Supply Voltage
V
CC
Input Voltage
V
IN
N-ch Open-Drain Off withstanding
Voltage
V
OFF
Power Dissipation
P
D
Operating Temperature
T
OPR
Storage Temperature
T
STG
Value
-0.3~6.0
-0.3~V
DD
+0.3
13
300(200)
-40~85
-65~150
Unit
V
V
V
mW
°
C
°
C
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
REV: 1.0
2
2001.10.18
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