4
Optoway
XPS-4381W-DXXG
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Electrical Characteristics
Parameter
Symbol
Min
Typ
8.5
Max
Units
Notes
High-Speed Signal (CML) Interface Specification
Input Data Rate
Gps
ppm
Ω
±100
TX Clock Tolerance
5
6, Internally AC coupled
5
Differential Input Impedance
Differential Data Input Amplitude
Output Data Rate
Rin
100
8.5
120
340
820
mVpp
Gps
ppm
Ω
±100
RX Clock Tolerance
Differential Output Impedance
Differential Data Output
Amplitude
Rout
100
850
mVpp
6, Internally AC coupled
Low-Speed Signal (LVTTL) Interface Specification
Input High Voltage
2.0
GND
2.4
Vcc
0.8
V
V
V
V
Input Low Voltage
Output High Voltage
Vcc
0.5
Output Low Voltage
GND
Reference Clock (LVPECL) Interface Specification
No reference clock
5. Clock tolerance for 8.5Gb/s, 4.25Gb/s, 2.12Gb/s.
6. The differential input and output amplitudes are per XFP MSA mask at points B’ and C’.
Transceiver Timing Characteristics
Parameter
TX_DIS Assert Time
TX_DIS Negate Time
Time to Initialize
Symbol
Min
Typ
Max
10
2
Units
ms
Notes
t_off
t_on
ms
ms
ms
ms
t_init
300
200
500
100
300
1
Interrupt Assert Delay
Interrupt Negate Delay
P_Down/PST Assert Delay
P_Down Nagate Delay
Mod_NR Assert Delay
Mod_NR Negate Delay
Mod_Desel Assert Time
Mod_Desel De-Assert Time
P_Down Reset Time
interrupt_on
interrupt_off
P_Down/RST_on
P_Down/RST_off
Mod_nr_on
Mod_nr_off
T_Mod_Desel
T_Mod_Sel
T_reset
ms
ms
ms
ms
ms
ms
ms
1
2
2
10
0
RX_LOS Assert Delay
RX_LOS Negate Delay
Serial ID Clock Rate
T_Los_on
T_Los_off
fSCL
100
100
400
ms
ms
kHz
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OPTOWAY TECHNOLOGY INC. No.38, Kuang Fu S. Road, Hu Kou, Hsin Chu Industrial Park, Hsin Chu, Taiwan 303
Tel: 886-3-5979798
Fax: 886-3-5979737
E-mail: sales@optoway.com.tw http: // www.optoway.com.tw 7/1/2010 V1.0
OPTOWAY [ OPTOWAY TECHNOLOGY INC ]
