參數(shù)資料
型號(hào): AFCT-57M5ATPZ
元件分類: 光發(fā)射
英文描述: FIBER OPTIC TRANSMITTER, 1280-1345nm, 1593Mbps, LC CONNECTOR
封裝: PLASTIC
文件頁數(shù): 4/20頁
文件大?。?/td> 402K
代理商: AFCT-57M5ATPZ
2
Table9.TransceiverTimingCharacteristics
(TC=-10°Cto85°C,VccT,VccR=3.3V±10%)
Parameter
Symbol
Minimum
Maximum
Unit
Notes
Hardware TX_DISABLE Assert Time
t_off
0
s
Note
Hardware TX_DISABLE Negate Time
t_on
ms
Note 2
Time to initialize, including reset of TX_FAULT
t_init
300
ms
Note 3
Hardware TX_FAULT Assert Time
t_fault
00
s
Note 4
Hardware TX_DISABLE to Reset
t_reset
0
s
Note 5
Hardware RX_LOS DeAssert Time
t_loss_on
00
s
Note 6
Hardware RX_LOS Assert Time
t_loss_off
00
s
Note 7
Software TX_DISABLE Assert Time
t_off_soft
00
ms
Note 8
Software TX_DISABLE Negate Time
t_on_soft
00
ms
Note 9
Software Tx_FAULT Assert Time
t_fault_soft
00
ms
Note 0
Software Rx_LOS Assert Time
t_loss_on_soft
00
ms
Note
Software Rx_LOS De-Assert Time
t_loss_off_soft
00
ms
Note 2
Analog parameter data ready
t_data
000
ms
Note 3
Serial bus hardware ready
t_serial
300
ms
Note 4
Write Cycle Time
t_write
0
ms
Note 5
Serial ID Clock Rate
f_serial_clock
400
kHz
Notes:
. Time from rising edge of TX_DISABLE to when the optical output falls below 0% of nominal.
2. Time from falling edge of TX_DISABLE to when the modulated optical output rises above 90% of nominal.
3. Time from power on or falling edge of Tx_Disable to when the modulated optical output rises above 90% of nominal.
4. From power on or negation of TX_FAULT using TX_DISABLE.
5. Time TX_DISABLE must be held high to reset the laser fault shutdown circuitry.
6. Time from loss of optical signal to Rx_LOS Assertion.
7. Time from valid optical signal to Rx_LOS De-Assertion.
8. Time from two-wire interface assertion of TX_DISABLE (A2h, byte 0, bit 6) to when the optical output falls below 0% of nominal. Measured
from falling clock edge after stop bit of write transaction.
9. Time from two-wire interface de-assertion of TX_DISABLE (A2h, byte 0, bit 6) to when the modulated optical output rises above 90% of
nominal.
0. Time from fault to two-wire interface TX_FAULT (A2h, byte 0, bit 2) asserted.
. Time for two-wire interface assertion of Rx_LOS (A2h, byte 0, bit ) from loss of optical signal.
2. Time for two-wire interface de-assertion of Rx_LOS (A2h, byte 0, bit ) from presence of valid optical signal.
3. From power on to data ready bit asserted (A2h, byte 0, bit 0). Data ready indicates analog monitoring circuitry is functional.
4. Time from power on until module is ready for data transmission over the serial bus (reads or writes over A0h and A2h).
5. Time from stop bit to completion of a -8 byte write command.
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