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VSC7927 Datasheet(PDF) 1 Page - Vitesse Semiconductor Corporation |
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VSC7927 Datasheet(HTML) 1 Page - Vitesse Semiconductor Corporation |
1 / 12 page VITESSE SEMICONDUCTOR CORPORATION Preliminary Data Sheet VSC7927 SONET/SDH 2.5Gb/s Laser Diode Driver G52201-0, Rev 3.0 Page 1 04/05/01 © VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012 Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com Internet: www.vitesse.com Features General Description The VSC7927 is a single 5V supply, 2.5 Gb/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 high unbalanced data applications. Clock and data inputs are differentially terminated to 50 Ω. Applications • SDH/SONET @ 622Mb/s, 1.244Gb/s, 2.488Gb/s • Full Speed Fibre Channel (1.062Gb/s) VSC7927 Block Diagram • Rise Times of Less Than 100ps • High Speed Operation (Up to 2.5 Gb/s NRZ Data) • Differential or Single-Ended Inputs • Single Supply • ECL-Compatible Clock and Data Inputs • Direct Access to Modulation and Bias FETs • Data Density Monitors • On-Chip Reclocking Register • On-Chip Mux for Clocked or Non-clocked Appli- cations • On-Chip 50 Ω Input Termination: Clock and Data MK NMK IBIAS NIOUT IOUT MIP VIP VIB MIB DCC *Terminated to Off-chip Capacitor **On Die Components IMOD IBIAS M U X SEL DIN DINTERM* 50 Ω DQ ** 50 Ω** NDIN CLK 50 Ω ** 50 Ω ** NCLK CLKTERM* |
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Similar Description - VSC7927 |
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