參數(shù)資料
型號(hào)： SCP69L2-GL-AM-53
元件分類： 光收發(fā)
英文描述： FIBER OPTIC TRANSCEIVER, 1525-1538nm, 622.08Mbps(Tx), 622.08Mbps(Rx), SURFACE MOUNT, LC CONNECTOR
文件頁(yè)數(shù)： 3/22頁(yè)
文件大?。?/td> 566K
代理商： SCP69L2-GL-AM-53
- 11 / 22 -
(SCP69K1 / 6EK1-GL)
Specification : TS-S03D185E
March, 2005
Figure 9. Transceiver Timing Charts
7-3. Transceiver Timing Characteristics
t_init
V
cc>3.15V
TX_FAULT
TX_DISABL E
Transmitted Signal
t_init
V
cc>3.15V
TX_FAULT
TX_DISABL E
Transmitted Signal
t_init
V
cc>3.15V
TX_FAULT
TX_DISABL E
Transmitted Signal
Power on initialization of SFP,TX_DISABLE asserted
Vcc>3.15V
TX_FAULT
TX_DISABLE
Transmitted Signal
t_init
Insertion
Vcc>3.15V
TX_FAULT
TX_DISABLE
Transmitted Signal
t_init
Insertion
Vcc>3.15V
TX_FAULT
TX_DISABLE
Transmitted Signal
t_init
Insertion
Example of initialization during hot plugging,
TX_DISABLE negated
TX_FAULT
TX_DISABLE
Transmitted Signal
t_on
t_off
TX_FAULT
TX_DISABLE
Transmitted Signal
t_on
t_off
TX_FAULT
TX_DISABLE
Transmitted Signal
t_on
t_off
TX_DISABLE timing during normal operation.
Detection of transmitter safety fault condition
Timing of LOS detection
Occurrence of loss
t_loss_on
t_loss_off
LOS
Optical Signal
Occurrence of loss
t_loss_on
t_loss_off
LOS
Optical Signal
Power on initialization of SFP transceiver, TX_DISABLE
negated
TX_FAULT
TX_DISABLE
Transmitted Signal
Occurrence of Fault
t_init
t_re set
SFP shall clear TX_ FAULT in <t_init if the failure transient
TX_FAULT
TX_DISABLE
Transmitted Signal
Occurrence of Fault
t_init
t_re set
SFP shall clear TX_ FAULT in <t_init if the failure transient
TX_FAULT
TX_DISABLE
Occurrence of Fault
t_fault
TX_FAULT
TX_DISABLE
Occurrence of Fault
t_fault
t_init
VccT >3.15V
TX_FAULT
TX_DISABLE
Transmitted Signal
t_init
VccT >3.15V
TX_FAULT
TX_DISABLE
Transmitted Signal
Parameter
Symbol
Min.
Typ.
Max.
Unit
Note
Tx Disable Assert Time
t_off
10
us
1
Tx Disable Negate Time
t_on
1
ms
2
Time to Initialize
t_init
300
ms
3
Tx Fault Assert Time
t_f ault
100
us
4
Tx Disable to Reset
t_reset
10
us
5
LOS Assert Time
t_loss_on
2.3
100
us
6
LOS Deassert Time
t_loss_off
100
us
7
Serial ID Clock Rate
f _serial_clock
100
kHz
Notes
1. Time f rom rising edge of TX Disable t o when the optical output f alls below 10% of nominal.
2. Time f rom f alling edge of TX Disable to when the modulat ed optical output rises abov e 90% of nominal.
3. From power on or negation of TX Fault using TX Disable.
4. Time f rom f ault to TX f ault on.
5. Time TX Disable must be held high to reset TX_f ault.
6. Time f rom LOS state to RX LOS assert . 7. Time f rom non-LOS state to RX LOS deassert.
Successful recovery from transient safety fault condition
(Except for Type "B" and "Y". Refer to next page.)
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