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參數(shù)資料
| 型號： | FS8107E |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Low Power Phase-Locked Loop IC |
| 中文描述： | 低功耗鎖相環(huán)集成電路 |
| 文件頁數(shù)： | 3/10頁 |
| 文件大?。?/td> | 128K |
| 代理商： | FS8107E |
FS8107E
the wireless IC company
Page 3
June 2001
Pin Descriptions
Block Diagram
Number
Name
I/O
Description
1
XIN
I
Reference crystal oscillator or external clock input with internally biased amplifier
(any external input to XIN must be ac-coupled)
2
XOUT
O
Reference crystal oscillator or external clock output
3
VDD2
POWER
Nominal 3.0 V supply voltage
4
DB
O
Single-ended quick-lock output for faster locking
5
DO
O
Single-ended charge pump output for passive low pass filter
6
VSS
GND
Ground
7
FIN
I
VCO frequency input with internally biased input amplifier
(any external input to FIN must be ac-coupled)
8
VDD1
POWER
Nominal 1.0 V supply voltage
9
NC
NC
No connection
10
LD
O
Lock detector output (high when PLL is locked)
11
CLK
I
Shift register clock input
12
DATA
I
Serial data input
13
LE
I
Latch enable input
14
OPR
I
Battery-save control input; normal operation when high, stand-by mode when low
15
NC
NC
No connection
16
TEST
I
Test mode control input with internal pull-down resistor
PFD
CHARGE
PUMP
FIN
DATA
CLK
LE
TEST
OPR
XIN
CONTROL
LOGIC
N-COUNTER
R-COUNTER
SHIFT REGISTER
N-LATCH
R-LATCH
÷
8
÷
32/33
LD
DO
XOUT
LOCK
DETECTOR
QUICK-
LOCK
DB
WINDOW
GENERATOR
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| FS8108 | 制造商:PTC 制造商全稱:Princeton Technology Corp 功能描述:Low Power Phase-Locked Loop IC |
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