VSC7926W 查看數據表（PDF） - Vitesse Semiconductor
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VSC7926W Datasheet PDF : 10 Pages
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VITESSE
SEMICONDUCTOR CORPORATION
SDH/SONET 2.5Gbits/sec
Laser Diode Driver
Preliminary Data Sheet
VSC7926
Table 1: Signal Pin Reference
Signal
DIN, NDIN
DINTERM
CLKTERM
MK, NMK
NIOUT
IOUT
VSS
GND
VIP
MIP
VIB
MIB
IBIAS
CLK, NCLK
DCC
Total Pins
Type
In
Ref
Ref
Out
Out
Out
Pwr
Pwr
In
In
In
In
Out
In
In
Level
DC
DC
ECL
Pwr
Pwr
DC
DC
DC
DC
DC
DC
# Pins
2
1
1
2
1
1
3
5
1
1
1
1
1
2
1
24
Description
Data Input and Data Reference
Data Termination
Clock Termination
Data Density Differential Outputs
Laser Modulation Current Output (Complementary)
Laser Modulation Current Output (To Laser Cathode)
Negative Voltage Rail
Positive Voltage Rail
Modulation Gate Node
Modulation Source Node
Bias Gate Node
Bias Source Node
Laser Bias Output (To Laser Cathode)
Clock Input and Clock Reference
Duty Cycle Control, Leave Floating
Table 2: Absolute Maximum Ratings
Symbol
VSS
Tj
Tstg
Rating
Negative Power Supply Voltage
Maximum Junction Temperature
Storage Temperature
Table 3: High Speed Inputs and ECL Outputs
Limit
VCC to -6.0V
-55°C to + 125°C
-65°C to +150°C
Symbol
VIN
VCM
VOH
VOL
Parameter
Differential Input Voltage Swing
Differential Input Common Mode Range
ECL Output High Voltage
ECL Output Low Voltage
Min
500
-2.3
-1200
Max
1000
-1.3
-1600
Units
mV
V
mV
mV
Conditions
VSS = -5.2V
50Ω to -2.0V
50Ω to -2.0V
Page 2
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
G52188-0, Rev 3.0
04/05/01
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