AFCT-57R5APZ Avago Technologies US Inc., AFCT-57R5APZ Datasheet - Page 7

TXRX OPT SFP LC 4/2/1GBD LC CONN

AFCT-57R5APZ

Manufacturer Part Number
AFCT-57R5APZ
Description
TXRX OPT SFP LC 4/2/1GBD LC CONN
Manufacturer
Avago Technologies US Inc.
Series
-r
Datasheet

Specifications of AFCT-57R5APZ

Data Rate
4.25Gbps
Wavelength
1310nm
Applications
General Purpose
Voltage - Supply
2.97 V ~ 3.63 V
Connector Type
LC Duplex
Mounting Type
SFP
Function
Digital Diagnostic Optical Transceiver, supports high-speed singlemode optical fiber at signaling rates up to 4.25 Gb/s
Product
Transceiver
Maximum Rise Time
0.9 ns/0.15 ns
Maximum Fall Time
0.9 ns/0.15 ns
Pulse Width Distortion
0.06 ns (Max)/0.061 ns (Max)
Operating Supply Voltage
2.97 V to 3.63 V
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 10 C
Package / Case
SFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
Singlemode Glass
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Table 2. Pin Description
Pin 
1 
2 
3 
4 
5 
6 
7 
8 
9 
10 
11 
12 
13 
14 
15 
16 
17 
18 
19 
20 
Notes:
1.  TX_FAULT is an open collector/drain output, which must be pulled up with a 4.7 k – 10 kΩ resistor on the host board. When high, this output 
2.  TX_DISABLE is an input that is used to shut down the transmitter optical output. It is internally pulled up (within the transceiver) with a 6.8 kΩ 
  Low (0 – 0.8  V ): 
  Between (0.8  V  and 2.0  V ): 
  High (2.0 – Vcc max) or OPEN:  
3.  The signals Mod-Def 0, 1, 2 designate the two wire serial interface pins. They must be pulled up with a 4.7 k – 10 kΩ resistor on the host board. 
  Mod-Def 0 is grounded by the module to indicate the module is present
  Mod-Def 1 is serial clock line (SCL) of two wire serial interface 
  Mod-Def 2 is serial data line (SDA) of two wire serial interface 
4.  RX_LOS (Rx Loss of Signal) is an open collector/drain output that must be pulled up with a 4.7 k – 10 kΩ resistor on the host board. When high, 
5.  RD-/+ designate the differential receiver outputs. They are AC coupled 100 Ω differential lines which should be terminated with 100 Ω differ-
6.  VccR and VccT are the receiver and transmitter power supplies. They are defined at the SFP connector pin. The maximum supply current is 300 
7.  TD-/+ designate the differential transmitter inputs. They are AC coupled differential lines with 100 Ω differential termination inside the module. 
7
indicates a laser fault of some kind. Low indicates normal operation. In the low state, the output will be pulled to < 0.8  V .
resistor.
this output indicates the received optical power is below the worst case receiver sensitivity (as defined by the standard in use). Low indicates 
normal operation. In the low state, the output will be pulled to < 0.8  V .
ential at the host SERDES input. AC coupling is done inside the transceiver and is not required on the host board. The voltage swing on these 
lines will be between 600 and 1600 mV differential (300 – 800 mV single ended) when properly terminated.
mA and the associated in-rush current will typically be no more than 30 mA above steady state after 2 microseconds.
The AC coupling is done inside the module and is not required on the host board. The inputs will accept differential swings of 400 – 2400 mV 
(200 – 1200 mV single ended), although it is recommended that values between 500 mV and 1200 mV differential (250-600 mV single ended) 
be used for best EMI performance.
Name 
VeeT 
TX_FAULT 
TX_DISABLE 
MOD-DEF2 
MOD-DEF1 
MOD-DEF0 
N.C.
RX_LOS 
VeeR 
VeeR 
VeeR 
RD- 
RD+ 
VeeR 
VccR 
VccT 
VeeT 
TD+ 
TD- 
VeeT 
Function/Description 
Transmitter Ground
Transmitter Fault Indication – High indicates a fault condition 
Transmitter Disable  –  Module optical output disables on high or open 
Module Definition 2 – Two wire serial ID interface data line (SDA) 
Module Definition 1 – Two wire serial ID interface clock line (SCL) 
Module Definition 0 – Grounded in module (module present indicator) 
Loss of Signal – High indicates loss of received optical signal 
Receiver Ground
Receiver Ground
Receiver Ground
Inverse Received Data Out 
Received Data Out 
Receiver Ground
Receiver Power  + 3.3 V 
Transmitter Power  +  3.3 V 
Transmitter Ground
Transmitter Data In 
Inverse Transmitter Data In 
Transmitter Ground
Transmitter on
Undefined
Transmitter Disabled
Notes
Note 1
Note 2
Note 3
Note 3
Note 3
Note 4
Note 5
Note 5
Note 6
Note 6
Note 7
Note 7

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