Optoway
Electrical Characteristics
Parameter
Symbol
Min
Typ
8.5
±100
100
120
8.5
±100
100
340
850
820
Max
High-Speed Signal (CML) Interface Specification
Input Data Rate
TX Clock Tolerance
Differential Input Impedance
Rin
Differential Data Input Amplitude
Output Data Rate
RX Clock Tolerance
Differential Output Impedance
Rout
Differential Data Output
Amplitude
Low-Speed Signal (LVTTL) Interface Specification
Input High Voltage
Input Low Voltage
Output High Voltage
Output Low Voltage
Reference Clock (LVPECL) Interface Specification
XPS-4341W-DXXG
Units
Gps
ppm
Ω
mVpp
Gps
ppm
Ω
mVpp
Notes
4
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5
6, Internally AC coupled
5
6, Internally AC coupled
2.0
GND
2.4
GND
No reference clock
Vcc
0.8
Vcc
0.5
V
V
V
V
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
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
RX_LOS Assert Delay
RX_LOS Negate Delay
Serial ID Clock Rate
Symbol
t_off
t_on
t_init
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
T_Los_on
T_Los_off
f
SCL
Min
Typ
Max
10
2
300
200
500
100
300
1
1
2
2
100
100
400
Units
µs
ms
ms
ms
µs
µs
ms
ms
ms
ms
ms
µs
µs
µs
kHz
Notes
10
0
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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
E-mail: sales@optoway.com.tw
Fax: 886-3-5979737
http: // www.optoway.com.tw
7/1/2010
V1.0
OPTOWAY [ OPTOWAY TECHNOLOGY INC ]
