http://www.datasheet4u.com

900,000+ Datasheet PDF Search and Download

Datasheet4U offers most rated semiconductors datasheets pdf





Vitesse Semiconductor
Vitesse Semiconductor

VSC7925 Datasheet Preview

VSC7925 Datasheet

SONET/SDH 2.5Gb/s Laser Diode Driver

No Preview Available !

VSC7925 pdf
www.DataSheet4U.com
VITESSE
SEMICONDUCTOR CORPORATION
Preliminary Data Sheet
VSC7925
SONET/SDH 2.5Gb/s Laser Diode Driver
Features
• Rise Times Less Than 100ps
• High Speed Operation (Up to 2.5Gb/s NRZ Data)
• Single-ended Inputs
• Single Supply
• Direct Access to Modulation and Bias FET’s
• Data Density Monitors
• On-Chip Reclocking Register
• 24-Pin Ceramic Package
Applications
• SONET/SDH at 622Mb/s, 1.244Gb/s, and
2.488Gb/s
• Full-Speed Fibre Channel (1.062Gb/s)
General Description
The VSC7925 is a single 5V supply, 2.5Gb/s laser diode driver with direct access to the laser modulation
and bias FETs. Laser bias and modulation currents are set by external components allowing precision monitor-
ing and setting of the current levels. Data density outputs are provided to allow the user to adjust the laser bias
in unbalanced data applications. Clock and data inputs have nominal 50termination resistors and high fre-
quency decoupling capacitors.P
VSC7925 Block Diagram
DIN
50
NDIN*
10pF
**
**
DQ
CLK
50
NCLK*
10pF
**
**
* Terminated to off-chip capacitor
** On-die components
MK
NMK
DCC
DCC
VIP
VIB
IOUT
NIOUT
IBIAS
IMOD
IBIAS
MIP MIB
G52157-0, Rev 3.2
05/01/01
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
Page 1



Vitesse Semiconductor
Vitesse Semiconductor

VSC7925 Datasheet Preview

VSC7925 Datasheet

SONET/SDH 2.5Gb/s Laser Diode Driver

No Preview Available !

VSC7925 pdf
www.DataSheet4U.com
VITESSE
SEMICONDUCTOR CORPORATION
SONET/SDH 2.5Gb/s Laser Diode Driver
Preliminary Data Sheet
VSC7925
Table 1: Signal Pin Reference
Signal
DIN, NDIN
MK, NMK
NIOUT
IOUT
VSS
GND
VIP
MIP
VIB
MIB
IBIAS
CLK, NCLK
DCC
Total Pins
Type
In
Out
Out
Out
Pwr
Pwr
In
In
In
In
Out
In
In
Level
ECL
Pwr
Pwr
DC
DC
DC
DC
DC
DC
# Pins
2
2
1
1
4
6
1
1
1
1
1
2
1
24
Description
Data Input and Data Reference
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
Limit
VCC to -6.0V
-55°C to + 125°C
-65°C to +150°C
Table 3: High-Speed Inputs and ECL Outputs
Symbol
VIN
VCM
VOH
VOL
Parameter
Single-ended Input Voltage Swing
Differential Input Common Mode
Range
ECL Output High Voltage
ECL Output Low Voltage
Min Typ Max Units
Conditions
300 1500 mV VCM = -2.5V
-3.3 -1.3 V VSS = -5.2V
-1200
-2000
-500 mV 50to -2.0V
-1600 mV 50to -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
G52157-0, Rev 3.2
05/01/01


Part Number VSC7925
Description SONET/SDH 2.5Gb/s Laser Diode Driver
Maker Vitesse Semiconductor
Total Page 10 Pages
PDF Download
VSC7925 pdf
Download PDF File
VSC7925 pdf
View for Mobile



Buy Electronic Components




Related Datasheet

1 VSC7923 SONET/SDH 2.5Gb/s Laser Diode Driver Vitesse Semiconductor
Vitesse Semiconductor
VSC7923 pdf
2 VSC7924 SONET/SDH 2.5Gb/s Laser Diode Driver Vitesse Semiconductor
Vitesse Semiconductor
VSC7924 pdf
3 VSC7925 SONET/SDH 2.5Gb/s Laser Diode Driver Vitesse Semiconductor
Vitesse Semiconductor
VSC7925 pdf
4 VSC7927 SONET/SDH 2.5Gb/s Laser Diode Driver ETC
ETC
VSC7927 pdf
5 VSC7927KF SONET/SDH 2.5Gb/s Laser Diode Driver ETC
ETC
VSC7927KF pdf
6 VSC7927KFL SONET/SDH 2.5Gb/s Laser Diode Driver ETC
ETC
VSC7927KFL pdf
7 VSC7927KFRL SONET/SDH 2.5Gb/s Laser Diode Driver ETC
ETC
VSC7927KFRL pdf
8 VSC7927X SONET/SDH 2.5Gb/s Laser Diode Driver ETC
ETC
VSC7927X pdf
9 VSC7928 SONET/SDH 3.2Gb/s Laser Diode Driver ETC
ETC
VSC7928 pdf






Part Number Start With

0    1    2    3    4    5    6    7    8    9    A    B    C    D    E    F    G    H    I    J    K    L    M    N    O    P    Q    R    S    T    U    V    W    X    Y    Z

site map

webmaste! click here

contact us

Buy Components