V23839-R35-L55 Datasheet, PDF (32/34 Pages) Infineon Technologies AG – iSFF - Intelligent Small Form Factor 1.25 Gigabit Ethernet 4.25/2.125/1.0625 Gbit/s Fibre Channel Multimode 850 nm Transceiver with LC™ Connector

Multimode 850 nm iSFF Transceiver, AC/AC TTL
V23839-R3x-L55
Application Notes
Host Board
3.3 V
Protocol V_CC
Tx Disable
Tx Fault
Protocol V_CC
10 µF 0.1 µF
4.7 to
10 kΩ
Protocol IC
ASIC IC
4.7 to
10 kΩ
Infineon
iSFF
1 µH
Transceiver
1 µH
V_CCT 6
0.1 µF
xx ¹⁾
V_EET
7
4.7 to
10 kΩ
Tx Disable 8
Tx Fault D
TD– 10
0.1 µF
10 µF 0.1 µF
TD+ 9
V_CCR ₂
xx ¹⁾
V_EER
1
100 Ω
0.1 µF
Laser
Driver
SD
Rate Select ²⁾
PLD / PAL
100 Ω
3.3 V
4.7 to
10 kΩ
RD+ 5
0.1 µF
RD– 4
SD 3
0.1 µF
Pre-Amp./
Post Amp.
Rate Select ²⁾ C
Diagnostic IC / EEPROM
4.7 to
10 kΩ
A
B
SDA
SCL
1) Design criterion of the capacitor used is the resonant frequency and its value must be in the order of the nominal
data rate. Use of single layer capacitors recommended. Short trace lengths are mandatory.
2) Not implemented.
File: 1321
Figure 8
Example iSFF Host Board Schematic and
Recommended Host Board Supply Filtering Network
Preliminary Product Information
32
2004-06-25