AFCT-57V6NSZ Avago Technologies US Inc., AFCT-57V6NSZ Datasheet
AFCT-57V6NSZ
Specifications of AFCT-57V6NSZ
Related parts for AFCT-57V6NSZ
AFCT-57V6NSZ Summary of contents
Page 1
... SFP MSA-compliant optical interconnect module for Gigabit Ethernet applications at transmission distances up to 40km [1, 2]. The AFCT-57V6NSZ implements the serial portion of the physical layer, and supports the features shown below The AFCT-57V6NSZ features differential serial I/O inter- face lines that are AC-coupled signals. Avago’s design ...
Page 2
... TX_FAULT RX_LOS VccR VccT Vcc Slow Start VeeR VeT Figure 1. AFCT-57V6NSZ Simplified Block Diagram Table 1. General AFCT-57V6NSZ Specifications Parameter Nominal Bit Rate Link Loss Budget Minimum Required Link Loss Bit Error Ratio(BER) Fiber Core Diameter Operating Range(max) † Optical specifications are modified to realize 40 km transmission in singlemode fiber. ...
Page 3
... C Optical Description Table 4 describes the performance of the transmitter por- tion of the AFCT-57V6NSZ over the operating conditions. Table 5 describes the performance of the receiver portion of the AFCT-57V6NSZ over the operating conditions. The optical pulse characteristics of the transmitter are specified in the form of an eye pattern. When measured in accordance with [2], the mask shown in Figure 2 evalu- ates rise time, fall time, overshoot and undershoot ...
Page 4
Table 4. Transmitter Optical Specifications Parameter Spectral Center Wavelength -20dB Spectral Width Side Mode Suppression Ratio Optical Output Power, Average* Extinction Ratio Rise/Fall Time** Total Jitter (TJ) Optical Waveform Disable Optical Output Power † SMF 9/125 †† ...
Page 5
... Electrical Description The supply current of the AFCT-57V6NSZ is described in Table 6 below. The inrush current is defined as the ad- ditional inrush due to hot plugging. The characteristics for the control and status signals are shown in Table 7. Output status signals, TX_FAULT and RX_LOS, are all open-collector/drain, and the levels indi- cated assuming 4 ...
Page 6
... Inserting or removing the AFCT-57V6NSZ will disrupt data transmission. This disruption occurs when the downstream receiver (e.g. deserializer phase-lock-loop) resynchronizes to a different bitstream signal. When this occurs, the downstream system will recognize the asso- ciated error (e ...
Page 7
... Conditions (1) and (2) are latched, and for diagnostic pur- poses only, may be reset by toggling TX_DISABLE high for at least t_reset. See Table 11 and Figure 8. MOD_DEF[0:2] The AFCT-57V6NSZ has a serial ID func- tion which provides information about the transceiver’s capabilities, standard interfaces, manufacturer and other ...
Page 8
Timing Characteristics of Control and Status I/O The timing characteristics of the control and status line are listed in Table 11 and Figure 4 to 10. Table 11. Timing Characteristics of Control and Status I/O Parameter Symbol Min TX_DISABLE t_off ...
Page 9
Vcc > 2.97 V TX_FAULT TX_DISABLE Transmitted Signal t_init Figure 4. Power on initialization of SFP transceiver, TX_DISABLE negated TX_FAULT TX_DISABLE Transmitted Signal t_off Figure 6. SFP TX_DISABLE timing during normal operation Occurrence of transmitter safety fault TX_FAULT TX_DISABLE Transmitted ...
Page 10
... ATMEL AT24C01A/02/04 family of components or equivalent components. The informa- tion obtained from the AFCT-57V6NSZ via the serial ID is shown in Table 12. BASE ID FIELDS Name of field Description of Field Identifier SFP Ext. Identifier SFP Connector LC Transceiver ————— ...
Page 11
Table 12. Serial ID: Data Fields - 2-Wire Address A0h (Continued) Data Address Field Size (Byte ...
Page 12
Table 12.- Serial ID: Data Fields - 2-Wire Address A0h (Continued) Data Address Field Size (Byte ...
Page 13
Digital Diagnostic Monitoring 2 wire serial bus address 1010001X (A2h) is used to access measurement of transceiver temperature, internally mea- sured supply voltage, TX bias current, TX optical output power and RX optical input power which are shown in Table ...
Page 14
Table 15. Alarm and Warning Thresholds (2-Wire Address A2h) Address # Bytes 00-01 2 02-03 2 04-05 2 06-07 2 08-09 2 10-11 2 12-13 2 14-15 2 16-17 2 18-19 2 20-21 2 22-23 2 24-25 2 26-27 2 ...
Page 15
Table 16. Calibration constants for External Calibration Option (2-Wire Address A2h) Address # Bytes Name 56-59 4 Rx_PWR(4) 60-63 4 Rx_PWR(3) 64-67 4 Rx_PWR(2) 68-71 4 Rx_PWR(1) 72-75 4 Rx_PWR(0) 76-77 2 Tx_I(Slope) 78-79 2 Tx_I(Offset) 80-81 2 Tx_PWR(Slope) 82-83 ...
Page 16
Table 17. A/D Values and Status Bits (2 Wire Address A2h) Byte Bit Name Converted analog values. Calibrated 16 bit data 96 All Temperature MSB 97 All Temperature LSB 98 All Vcc MSB 99 All Vcc LSB 100 All TX ...
Page 17
Table 18. Alarm and Warning Flag Bits (2-Wire Address A2h) Byte Bit Name Reserved Optional Alarm and Warning Flag Bits 112 7 Temp High Alarm 112 6 Temp Low Alarm 112 5 Vcc High Alarm 112 4 Vcc Low Alarm ...
Page 18
Table 19. Vendor Specific Memory Address and User EEPROM (2-Wire Address A2h) Byte # Byte 120-127 8 128-247 120 248-255 8 Table 20. Bit weights (°C) for Temperature Reporting Registers Most Significant Byte (Byte 96 ...
Page 19
Serial ID Defined by SFP MSA (96 bytes) 95 Vendor Specific (32 bytes) 127 Reserved in SFP MSA (128 bytes) 255 Figure 11. Serial ID and Digital Diagnostic Memory Map Timing Characteristics of Serial ...
Page 20
SDA t BUF SCL LOW t HD:STA STOP START SDA D0 ACK WORDn SCL Figure 12. Serial ID and DDM Timing SFP Module TD+ LASER 100 ohm DRIVER TD- TX_FAULT TX_DISABLE VeeT VccT VccR VeeR RD+ PREAMP ...
Page 21
... Connectors and Cables The optical interface of the AFCT-57V6NSZ is a duplex LC connector which is described in TIA/EIA FOCIS document [5]. PC-polished ferrules are recommended in mating cables for the AFCT-57V6NSZ. The electrical connection is provided by a card edge connector which mates with a corresponding socket [1]. In addition the transceiver fits a cage assembly [1] which also functions as an EMI shield ...
Page 22
PCB [1.64±0.02] 15 MAX [0.59] CAGE ASSEMBLY 9,8 MAX [0.39] Figure 15. Mounting drawing Regulatory Information This product is under testing with respect to American and European product safety and electromagnetic com- patibility regulations. For further information ...