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参数资料
| 型号： | SCP69G4-GL-YN-51 |
| 元件分类： | 光收发 |
| 英文描述： | FIBER OPTIC TRANSCEIVER, 1505-1518nm, 1250Mbps(Tx), 1250Mbps(Rx), SURFACE MOUNT, LC CONNECTOR |
| 文件页数： | 2/21页 |
| 文件大小： | 538K |
| 代理商： | SCP69G4-GL-YN-51 |
- 10 / 21 -
(SCP69G4 / 6EG4-GL)
Specification : TS-S03D114E
March, 2005
7-3. Transceiver Timing Characteristics
Figure 9. Transceiver Timing Charts
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
Successful recovery from transient safety fault condition
(Except for Type "B" and "Y". Refer to next page.)
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 A ssert Time
t_f ault
100
us
4
Tx Disable to Reset
t_reset
10
us
5
LOS Assert Time
t_loss_on
100
us
6
LOS Deassert Time
t_loss_of f
350
us
7
Serial ID Clock Rate
f _serial_clock
100
kHz
Notes
1. Time f rom rising edge of TX Disable to when the optical out put f alls below 10% of nominal.
2. Time f rom f alling edge of TX Disable to when the modulated optical output rises abov e 90% of nominal.
3. From power on. 4. Time f rom f ault to TX f ault on.
5. Tim e Tx Disable must be held high t o reset TX_f ault.
6. Time f rom LOS st at e to RX LOS assert.
7. Time f rom non-LOS state to RX LOS deassert.
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
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