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參數(shù)資料
| 型號(hào)： | SY0002-77.76 |
| 英文描述： | Super Fast Rectifier Diodes |
| 中文描述： | 通信集成電路 |
| 文件頁(yè)數(shù)： | 2/4頁(yè) |
| 文件大?。?/td> | 70K |
| 代理商： | SY0002-77.76 |
SYNCHRONOUS EQUIPMENT
CLOCK/SYNCHRONIZER - SY0002
RALTRON ELECTRONICS CORP.
§
10651 N.W.19
th
St
§
Florida 33172
§
U.S.A.
Tel: 305 593-6033
§
Fax: 305-594-3973
§
e-mail: sales@raltron.com
§
Internet: http:/www.raltron.com
DESCRIPTION
The SY0002 is a Phase Lock Loop has been designed as a module level subsystem for easy incorporation into
telecommunication equipment. The module generates the output from a low jitter VCXO. The SY0002 can lock to
one of four reference frequencies from 8 to 64kHz that can be selected using to external select pins. The counters,
phase detector and other logic are implemented in programmable logic. The loop bandwidth is optimized
according to used VCXO and wanted output performance. The two output signals monitor the status of the phase
loop LOL (Loss of Lock) and LOR (Loss of Reference). The two control inputs provides module to go into free-run
regardless of the reference (FREE_RUN) and to the tristate high impedance output (OUT EN). The SMD package
dimensions are 19.4 x 20.3 mm and power supply is 3.3V.
- INPUT REFERENCE SELECTION
IN-A
IN-B
REFERENCE SELECTED
8KHz (default)
16KHz
32KHz
64KHz
0
1
0
1
0
0
1
1
- OUTPUT PROGRAMMING
EN OUT
0
1
0
FREE-RUN
OUTPUT
0
X
1
Locked to Reference
Hi-Z Tri-State
Free-Run
- ALARM STATES
LOL
0
1
0
LOR
0
0
1
ALARM
No alarm
Loss of Lock
Loss of Reference
MUX,
FPD,
Counters
&
Logic
LOOP
FILTER
VCXO
IN-A
IN-B
REF IN
LOR
REF OUT
J-TAG PORT
OUT
EN OUT
FREE-RUN
LOL
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