Data Sheet
January 2000
1345-Type Receiver with
Clock Recovery and Data Retiming
Recommended User Interface
(continued)
0.1 µF
2.2 µF
FLAG
FLAG
12
14
1345
ALR
TOP
VIEW
10
V
PIN
11
9
7
82
Ω
4
5
124
Ω
OPTICAL
FIBER
* DATA, DATA, CLOCK, and CLOCK are 50
Ω
transmission lines that can be ac- or dc-coupled.
1 µH
5.0 V
2.2 µF
82
Ω
82
Ω
DATA*
DATA*
82
Ω
124
Ω
124
Ω
CLOCK*
CLOCK*
124
Ω
1-725(C).b
Figure 2. PECL-Compatible (5 V) Interface
1 µH
5.0 V
11
FLAG
FLAG
12
14
7
1345
4
5
OPTICAL
FIBER
300
Ω
300
Ω
300
Ω
300
Ω
0.1 µF
CLOCK
0.1 µF
CLOCK
9
0.1 µF
0.1 µF
DATA
0.1 µF
DATA
2.2 µF
2.2 µF
1-870(C).d
Figure 3. ac-Coupled ECL-Compatible Interface
Agere Systems Inc.
5