參數(shù)資料
型號(hào)： 1345FMPD
英文描述： FIBER OPTIC RECEIVER
中文描述： 光纖接收
文件頁(yè)數(shù)： 9/12頁(yè)
文件大小： 72K
代理商： 1345FMPD
6
Agere Systems Inc.
1345-Type Receiver with
Data Sheet
Clock Recovery and Data Retiming
January 2000
Installation Considerations
Although the receiver has been designed with ruggedness in mind, care should be used during handling. The opti-
cal connector should be kept free from dust, and the process cap should be kept in place as a dust cover when the
device is not connected to a cable. If contamination is present on the optical connector, the use of canned air with
an extension tube should remove any debris. Other cleaning procedures are identified in the
Cleaning Fiber-Optic
Assemblies Technical Note (TN95-010LWP).
Characteristics
Minimum and maximum values specified over operating case temperature range and end-of-life (EOL). Typical val-
ues are measured at beginning-of-life (BOL) room temperature unless otherwise noted.
Table 1. Electrical Characteristics
1. Customers have the option for either a +5 V or –5 V supply.
2. Includes approximately 50 mA of DATA and CLOCK output termination current.
3. Measured with 50
load terminated to (VCC – 2.00) V.
4. DATA and CLOCK outputs are 10K ECL compatible.
5. Measured as shown in Figure 4.
6. Measured with an input data pseudorandom word 223 – 1.
Parameter
Symbol
Min
Typ
Max
Unit
dc Power Supply Voltages
VCC
4.75
5.0
5.25
V
PIN Photodetector Supply Voltage (Pin 10)1
VPIN
4.75
–5.25
5.0
–5.0
5.25
–4.75
V
dc Power Supply Currents:2
OC-3/STM-1 Version
OC-12/STM-4 Version
ICC
—
110
150
200
mA
Output Data/Clock Voltage:3, 4
Low
High
VOL
VOH
VCC – 1.95
VCC – 1.03
—VCC – 1.63
VCC – 0.88
V
Output Data/Clock Rise and Fall Time:
OC-3/STM-1 Version
OC-12/STM-4 Version
tR/tF
1100
320
1300
360
1700
500
ps
Output Flag Voltage:
Low
High
VFL
VFH
0
VCC – 0.5
—
0.6
VCC
V
Clock/Data Alignment:5
OC-3/STM-1 Version
OC-12/STM-4 Version
TCDA
–800
–300
—
800
300
ps
Clock Duty Cycle
dc
45
—
55
%
Output Clock Random Jitter:6
OC-3/STM-1 Version
OC-12/STM-4 Version
JC
—
0.003
0.005
0.008
0.01
UI
Output Clock Jitter Peaking
JP
0.04
0.05
0.1
dB
Jitter Tolerance
Telcordia Technologies GR-253-CORE and ITU-T G.958 Compliant
Jitter Transfer
Telcordia Technologies GR-253-CORE and ITU-T G.958 Compliant
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