VSC8164QR Vitesse Semiconductor Corp., VSC8164QR Datasheet

VSC8164QR

Manufacturer Part Number

VSC8164QR

Description

2.488 Gb/s to 2.7 Gb/s 1:16 SONET/SDH Demux

Manufacturer

Vitesse Semiconductor Corp.

Datasheet

1.VSC8164QR.pdf (16 pages)

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G52239-0, Rev. 3.3

5/17/00

reliminary Datasheet

SC8164

Features

General Description

data rate or forward error correction (FEC) data rate up to 2.7Gb/s. The device operates using a single 3.3V

power supply, and is packaged in a thermally enhanced plastic package. The thermal performance of the

128PQFP allows the use of the VSC8164 without a heat sink under most thermal conditions.

VSC8164 Block DIagram

Functional Description

Low Speed Interface

accompanying differential LVPECL divide by 16 clock CLK16O ± and divide by 32 clock CLK32O ± . The low

speed LVPECL output drivers are designed to drive a 50

terminated with a split end termination scheme (see Figure 1), or DC terminated by 50 to V

(see Figure 2). At any time, the equivalent split-end termination technique can be substituted for the traditional

50 to V

coupling method for the occasion when the downstream device provides the bias point for AC coupling. If the

downstream device were to have internal termination, the line to line 100 resistor may not be necessary. The

divide by 32 output can be used to provide a reference clock for the clock multiplication unit on the VSC8163.

HSCLKI+

HSCLKI-

The VSC8164 is a 1:16 demultiplexer for use in SONET/SDH systems operating at a standard 2.488Gb/s

The demultiplexed serial stream is made available by a 16 bit differential LVPECL interface D[15:0] with

• 2.488Gb/s 1:16 Demultiplexer

• Targeted for SONET OC-48 / SDH STM-16

• Supports FEC rates up to 2.7Gb/s

Applications

DI-

DI+

-2V on each line. AC coupling can be achieved by a number of methods. Figure 3 illustrates an AC

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

Divide by

VITESSE

VITESSE SEMICONDUCTOR CORPORATION

SEMICONDUCTOR CORPORATION

transmission line. The transmission line can be DC

Divide by

• Differential LVPECL Low Speed Interface

• Single +3.3V Supply

• 128 Pin 14x20mm PQFP Package

2.488 Gbit/sec to 2.7Gbit/sec

1:16 SONET/SDH Demux

-2V on each line

D0+

D0-

D15+

D15-

CLK16O+

CLK16O-

CLK32O+

CLK32O-

Page 1

Related parts for VSC8164QR

VSC8164QR Summary of contents

Page 1

Datasheet SC8164 Features • 2.488Gb/s 1:16 Demultiplexer • Targeted for SONET OC-48 / SDH STM-16 Applications • Supports FEC rates up to 2.7Gb/s General Description The VSC8164 is a 1:16 demultiplexer for use in SONET/SDH systems operating at a ...

Page 2

Gbit/sec to 2.7Gbit/sec 1:16 SONET/SDH Demux Figure 1: Split-end DC Termination of Low Speed LVPECL CLK16O, CLK32O, D[15:0] Outputs VSC8164 R1|| Figure 2: Traditional DC Termination of Low Speed LVPECL CLK16O, CLK32O, D[15:0] Outputs VSC8164 ...

Page 3

Datasheet SC8164 High Speed Interface The incoming 2.488Gb/s data (up to 2.7Gb/s for FEC applications) and input clock are received by high speed inputs DI and HSCLKI. The data and clock inputs are internally terminated by a center-tapped resistor ...

Page 4

Gbit/sec to 2.7Gbit/sec 1:16 SONET/SDH Demux Decoupling of the power supplies is a critical element in maintaining the proper operation of the part recommended that the V power supply be decoupled using a 0.1 F and 0.01 ...

Page 5

Datasheet SC8164 Figure 7: Differential and Single Ended Input and Output Voltage Measurement Differential swing Differential swing is specified as equal in magnitude to single ended swing. Table 1: AC Characteristics Parameters Description Data ...

Page 6

Gbit/sec to 2.7Gbit/sec 1:16 SONET/SDH Demux Table 2: DC Characteristics Parameters Description PECL output high V OH voltage PECL output low V OL voltage Low speed output V voltage differential peak- OLVPECL to-peak swing. Serial input differential V IHSAC ...

Page 7

Datasheet SC8164 Absolute Maximum Ratings Power Supply Voltage, (V )....................................................................................................... -0.5V to +3. Input Voltage (Differential inputs) .................................................................................. -0. Output Current (Differential Outputs)....................................................................................................+/-50mA Case Temperature Under Bias ...................................................................................................... -55 Storage Temperature.................................................................................................................. -65 Maximum Input ESD ...

Page 8

Gbit/sec to 2.7Gbit/sec 1:16 SONET/SDH Demux Package Pin Descriptions Table 3: Pin Identification Pin Name HSDREF VEE ...

Page 9

Datasheet SC8164 Pin Name ...

Page 10

Gbit/sec to 2.7Gbit/sec 1:16 SONET/SDH Demux Pin Name 70 D12+ 71 D12- 72 VCC 73 D11+ 74 D11- 75 VCC 76 D10+ 77 D10- 78 VEE 79 D9+ 80 D9- 81 VCC 82 D8+ 83 D8- 84 VCC 85 ...

Page 11

Datasheet SC8164 Pin Name 106 D1- 107 VCC 108 D0+ 109 D0- VEE 110 111 CLK16O- 112 CLK16O+ 113 VCC 114 CLK32O- 115 CLK32O+ 116 NC 117 NC 118 NC 119 NC 120 NC 121 NC 122 NC 123 ...

Page 12

Gbit/sec to 2.7Gbit/sec 1:16 SONET/SDH Demux Package Information PIN 128 PIN 1 EXPOSED INTRUSION 0.127 MAX. EXPOSED HEATSINK PIN 38 10 TYP TYP. Notes: 1) Drawing is not to scale 2) All dimensions in ...

Page 13

Gbit/sec to 2.7Gbit/sec 1:16 SONET/SDH Demux Package Thermal Considerations This package has been enhanced with a copper heat slug to provide a low thermal resistance path from the die to the exposed surface of the heat spreader. The thermal ...

Page 14

Gbit/sec to 2.7Gbit/sec 1:16 SONET/SDH Demux The results of this calculation are listed below: Table 6: Maximum Ambient Air Temperature without Heatsink Airflow Max Ambient Temp none 100 lfpm 200 lfpm 400 lfpm 600 lfpm Note that ambient air ...

Page 15

Gbit/sec to 2.7Gbit/sec 1:16 SONET/SDH Demux Ordering Information The order number for this product is formed by a combination of the device number, and package type. Device Type VSC8164: 2.488Gb/s to 2.7Gb/s 1:16 SONET/SDH Demux Notice This document contains ...

Page 16

Gbit/sec to 2.7Gbit/sec 1:16 SONET/SDH Demux Page 16 741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896 VITESSE SEMICONDUCTOR CORPORATION VITESSE SEMICONDUCTOR CORPORATION Preliminary Datasheet VSC8164 G52239-0, Rev. 3.3 5/17/00 ...

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