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VSC7937

Description
Single Supply 2.5Gb/s Voltage Driver
File Size155KB,14 Pages
ManufacturerVitesse Semiconductor Corporation
Websitehttp://www.vitesse.com/
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VSC7937 Overview

Single Supply 2.5Gb/s Voltage Driver

VITESSE
SEMICONDUCTOR CORPORATION
Preliminary Data Sheet
VSC7937
Features
• Typical Rise Times of 100ps
• High-Speed Operation
(Up to 2.5Gb/s NRZ Data)
• 3V Output Voltage Compliance
• Single-Ended or Differential Input Operation
• Single Power Supply: +5V or -5.2V
• Direct Access to Modulation and Bias FETs
• On-Die MUX for Clocked or Unclocked
Applications
• On-Chip 50
Input Clock and Data Termination
Single Supply 2.5Gb/s Voltage Driver
Applications
• SONET/SDH @ 622Mb/s, 1.244Gb/s, 2.488Gb/s
• Full-Speed Fibre Channel (1.062Gb/s)
General Description
The VSC7937 is a single -5.2V supply, 2.5Gb/s voltage driver with direct access to the output modulation
and bias FETs. The output stage can drive 60mA into 50
with adequate output voltage compliance. Output
bias and modulation currents are set by external components allowing precision monitoring and setting of the
output voltage levels.
VSC7937 Block Diagram
NOUT OUT
I
NOUT
DIN
50
**
DINTERM*
50
**
NDIN
D Q
M
U
X
IBIAS1
IMOD
IBIAS2
VIP
CLK
50
**
CLKTERM*
NCLK
MIB2
SEL
SEL
MIP
MIB1
50
**
VIB2
VIB1
*Terminated to Off-chip Capacitor
**On Die Components
G52200-0, Rev 3.0
03/05/01
©
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

VSC7937 Related Products

VSC7937 VSC7937RA VSC7937KJL VSC7937KJRL
Description Single Supply 2.5Gb/s Voltage Driver Single Supply 2.5Gb/s Voltage Driver Single Supply 2.5Gb/s Voltage Driver Single Supply 2.5Gb/s Voltage Driver
Maker - Vitesse Semiconductor Corporation Vitesse Semiconductor Corporation Vitesse Semiconductor Corporation
package instruction - HLQFP, LQFP, QFP, QFP24,.6SQ,50
Reach Compliance Code - unknow unknow compli
JESD-30 code - S-PQFP-G32 S-CQFP-G24 S-XQFP-G24
Number of terminals - 32 24 24
Minimum operating temperature - -40 °C -40 °C -40 °C
Package body material - PLASTIC/EPOXY CERAMIC, METAL-SEALED COFIRED CERAMIC
encapsulated code - HLQFP LQFP QFP
Package shape - SQUARE SQUARE SQUARE
Package form - FLATPACK, HEAT SINK/SLUG, LOW PROFILE FLATPACK, LOW PROFILE FLATPACK
Certification status - Not Qualified Not Qualified Not Qualified
surface mount - YES YES YES
Terminal form - GULL WING GULL WING GULL WING
Terminal pitch - 0.8 mm 1.27 mm 1.27 mm
Terminal location - QUAD QUAD QUAD
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