FTLF1721S1xCL 2x10 Pin SFF Product Specification – March 2006
Finisar
I.
Pin Descriptions
Pin
MS
Symbol
MS
Name/Description
Mounting Studs for mechanical attachment.
Chassis
ground is internally isolated from circuit ground.
Connection to chassis ground is recommended.
Receiver Power Monitor. This pin must be connected to a
positive voltage supply (Vcc), preferably via a small
resistor. Supplies photocurrent and may be used to
monitor received power.
Receiver Ground (Common with Transmitter Ground)
Not Connected.
Receiver Power Supply
Signal Detect. Logic 1 indicates normal operation.
Receiver Inverted DATA out. AC Coupled
Receiver Non-inverted DATA out. AC Coupled
Transmitter Power Supply
Transmitter Ground (Common with Receiver Ground)
Transmitter Disable
Transmitter Non-Inverted DATA in. AC Coupled.
Transmitter Inverted DATA in. AC Coupled.
Laser Bias Monitoring (-).
Laser Bias Monitoring (+)
.(Bmon+ - Bmon-) = 10Ω x laser bias current.
Laser Power Monitoring (-). Current implementation
connects this pin to ground
Laser Power Monitoring (+)
.(Pmon+ - Pmon-) = 200Ω x mon. photodiode current.
Logic Family
NA
1
PD
Analog
Current
2,3,6
4,5
7
8
9
10
11
12,16
13
14
15
17
18
19
20
V
EER
NC
V
CCR
SD
RD-
RD+
V
CCT
V
EET
T
DIS
TD+
TD-
Bmon-
Bmon+
Pmon-
Pmon+
NA
NA
LVTTL
CML
CML
NA
NA
LVTTL
CML
ECL
CML
ECL
Analog
Voltage
Analog
Voltage
Analog
Voltage
Analog
Voltage
MS
20 19 18 17 16 15 14 13 12 11
TOP VIEW
1 2 3 4 5 6 7 8 9 10
MS
©
Finisar Corporation March 2006 Rev A
Page 2
FINISAR [ FINISAR CORPORATION. ]
