參數(shù)資料
型號: OAS25321S-NV-WDM-34-05
廠商: OKI ELECTRIC INDUSTRY CO LTD
元件分類: 光收發(fā)
英文描述: FIBER OPTIC TRANSCEIVER, 2488Mbps(Tx), 2488Mbps(Rx), THROUGH HOLE MOUNT, SC CONNECTOR
文件頁數(shù): 6/8頁
文件大小: 73K
代理商: OAS25321S-NV-WDM-34-05
2.5Gb/s Optical Transmitter for DWDM
OAS25321
Series
Document
Number
QPS-0202-052
August 2002
Oki Electric Industry
6
4. Pin Descriptions
Table 4.1 pin Descriptions
No.
Symbol
Functionality
No.
Symbol
Functionality
01
GND
Ground ( TEC )
13
VCC
Positive power supply +5.0V
02
BACK(+)
Back facet Monitor
14
VTEC
TEC supply voltage +3.3V
03
BIAS(+)/LDA
Laser Bias Monitor or
Laser Degraed Alarm(TTL,Active”Lo”)
1
15
GND
Ground
04
SDC
Shut Down Command(TTL, Open/
Lo=Operating , Hi=Shutdown)
16
Di(+)
True data input
05
SELC
Clock mode Select(TTL, Open/
Lo=CLK , Hi=CLK unuse)
17
GND
Ground
06
GND
Ground
18
Di(-)
False data input
07
TDA
Temperature Deviation ALM
(TTL,Active”High”)
19
GND
Ground
08
NC
No User Connection
20
Cki(+)
True clock input
09
NC
No User Connection
21
GND
Ground
10
WSC
Wavelength Selection Command
(TTL, Open/Lo=n , Hi=n-1)
22
Cki(-)
False clock input
11
GND
Ground
23
GND
Ground
12
NIC
No Internal Connection
24
VCC
Positive power supply +5.0V
1.
Laser Bias Monitor and Laser Degraed Alarm functions are customer select options .
5. Recommended Interface Circuit
Figure 5.1
Recommended Interface Circuit
01
0.1uF
22uF
VTEC
15uH
0.1uF
22uF
Vcc
15uH
True data input
True clock input
20
16
14
13, 24
06, 11, 15, 17,
19, 21, 23
04
Shut Down
Wavelength selection
10
OAS25321 x-NV-WDM-yy-zz
CML
CMOS/TTL
CMOS
TTL
02
Back facet monitor
03
TEC
Deviation
error Alarm
07
Laser bias monitor
or
Laser degraed alarm
Clock mode Select
05
False clock input
22
18
False data input
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