5

Agere Systems Inc.

Data Sheet

1345-Type Receiver with

January 2000

Clock Recovery and Data Retiming

1-725(C).b

Figure 2. PECL-Compatible (5 V) Interface

1-870(C).d

Figure 3. ac-Coupled ECL-Compatible Interface

OPTICAL

FIBER

1345

ALR

10

82

Ω

124

Ω

7

4

5

CLOCK*

CLOCK*

9

11

82

Ω

124

Ω

124

Ω

124

Ω

DATA*

DATA*

2.2 µF

2.2 µF

1 µH

5.0 V

TOP

VIEW

82

Ω

82

Ω

0.1 µF

14

12

FLAG

FLAG

OPTICAL

FIBER

1345

CLOCK

0.1 µF

CLOCK

0.1 µF

300

Ω

300

Ω

DATA

0.1 µF

DATA

0.1 µF

300

Ω

300

Ω

4

9

7

5

11

2.2 µF

5.0 V

2.2 µF

1 µH

0.1 µF

14

12

FLAG

FLAG

* DATA, DATA, CLOCK, and CLOCK are 50

Ω transmission lines that can be ac- or dc-coupled.