VSC7927CAL-T datasheet, PDF - EEWORLD Datasheet

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VSC7927CAL-T: DescriptionInterface Circuit, MQFP24,; CategoryAnalog mixed-signal IC Drivers and interfaces; File Size334KB，18 Pages; ManufacturerVitesse Semiconductor Corporation; Websitehttp://www.vitesse.com/

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VSC7927CAL-T Overview

Interface Circuit, MQFP24,

VSC7927CAL-T Parametric

Parameter Name	Attribute value
Maker	Vitesse Semiconductor Corporation
package instruction	QFP,
Reach Compliance Code	compliant
Interface integrated circuit type	INTERFACE CIRCUIT
JESD-30 code	S-MQFP-G24
length	7 mm
Nominal negative supply voltage	-5.2 V
Number of functions	1
Number of terminals	24
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package body material	METAL
encapsulated code	QFP
Package shape	SQUARE
Package form	FLATPACK
Certification status	Not Qualified
Maximum seat height	2.08 mm
Nominal supply voltage	5 V
surface mount	YES
Temperature level	INDUSTRIAL
Terminal form	GULL WING
Terminal pitch	0.76 mm
Terminal location	QUAD
width	7 mm

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VITESSE

SEMICONDUCTOR CORPORATION

Advance Product Information

VSC7927

Features

• Rise Times 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

SDH/SONET 2.5Gb/s

Laser Diode Driver

• Direct Access to Modulation and Bias FET’s

• Data Density Monitors

• On-chip Reclocking Register

• On-chip Mux for Clocked or Non-clocked

Applications

• On-chip 50 Ohm Input Termination: Clock

and Data

Introduction

The VSC7927 is a single 5V supply, 2.5 Gb/s laser diode driver with direct access to the laser modulation

and bias FET’s. 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 Ohms.

Applications

• SDH/SONET @ 622Mb/s, 1.244Gb/s, 2.488Gb/s

• Full Speed Fibre Channel (1.062Gb/s)

VSC7927 Block Diagram

NMK

IOUT

NIOUT

DIN

Ω

DINTERM*

Ω

NDIN

D Q

IBIAS

DCC

CLK

Ω

CLKTERM*

Ω

NCLK

SEL

MIP

*Terminated to Off-chip Capacitor

**On Die Components

VIB

VIP

MOD

BIAS

MIB

G52201-0, Rev 2.2

10/13/99

VITESSE

SEMICONDUCTOR CORPORATION

741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896

Page 1

VSC7927CAL-T Related Products

	VSC7927CAL-T	VSC7927CA-T	VSC7927RA-T
Description	Interface Circuit, MQFP24,	Interface Circuit, MQFP24,	Interface Circuit, PQFP32, HEAT SINK, PLASTIC, TQFP-32
Maker	Vitesse Semiconductor Corporation	Vitesse Semiconductor Corporation	Vitesse Semiconductor Corporation
package instruction	QFP,	QFF,	HLQFP,
Reach Compliance Code	compliant	compliant	compliant
Interface integrated circuit type	INTERFACE CIRCUIT	INTERFACE CIRCUIT	INTERFACE CIRCUIT
JESD-30 code	S-MQFP-G24	S-MQFP-F24	S-PQFP-G32
length	7 mm	7 mm	7 mm
Nominal negative supply voltage	-5.2 V	-5.2 V	-5.2 V
Number of functions	1	1	1
Number of terminals	24	24	32
Maximum operating temperature	85 °C	85 °C	85 °C
Minimum operating temperature	-40 °C	-40 °C	-40 °C
Package body material	METAL	METAL	PLASTIC/EPOXY
encapsulated code	QFP	QFF	HLQFP
Package shape	SQUARE	SQUARE	SQUARE
Package form	FLATPACK	FLATPACK	FLATPACK, HEAT SINK/SLUG, LOW PROFILE
Certification status	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	2.08 mm	2.08 mm	1.6 mm
Nominal supply voltage	5 V	5 V	5 V
surface mount	YES	YES	YES
Temperature level	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL
Terminal form	GULL WING	FLAT	GULL WING
Terminal pitch	0.76 mm	0.76 mm	0.8 mm
Terminal location	QUAD	QUAD	QUAD
width	7 mm	7 mm	7 mm

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