VSC8021FC VITESSE [Vitesse Semiconductor Corporation], VSC8021FC Datasheet

VSC8021FC

Manufacturer Part Number

VSC8021FC

Description

2.5Gb/s SONET-Compatible 8-Bit MUX/DEMUX Chipset

Manufacturer

VITESSE [Vitesse Semiconductor Corporation]

Datasheet

1.VSC8021FC.pdf (17 pages)

Current page: 1 of 17
Download datasheet (215Kb)

Data Sheet

VSC8021/VSC8022

G52028-0, Rev 4.1

05/25/01

Features

Functional Description

rates up to 2.5Gb/s. These devices can be used for STS-3 through STS-48 SONET applications.

achieves high-speed and low power dissipation. These products are packaged in a ceramic 52-pin leaded

ceramic chip carrier.

VSC8021

lel differential ECL data inputs (D1-D8, D1N-D8N) at rates up to 312.5Mb/s and multiplexes them into a serial

differential bit stream output (DO, DON) at rates up to 2.5Gb/s.

chip through a differential input (CLKI, CLKIN). This signal is subsequently echoed at the high-speed differen-

tial output (CO, CON).

input (BYCLK, BYCLKN) operating at the same rate as the data inputs. An internal byte clock, which is a

divide-by-8 version of the high-speed clock, is used to transfer the data to a set of buffer registers. This internal

byte clock is brought off chip at the ECL output CLK8, CLK8N.

violation is detected. This signal can be gated to the SYNC input which is edge sensitive high. An active SYNC

input allows the VSC8021 timing to shift, positioning it properly against the external byte clock, CLK8,

CLK8N. When a CLK8 timing switch is made, normal data flow will be invalid for 1 byte.

references for different parts of the VSC8021. The BYCLK is used to trigger the input registers for the parallel

data inputs, while the CLKI is used to trigger the high-speed serial output register as well as some of the timing

circuitry for the parallel to serial conversion. Furthermore, in order to make this part easy to use, the user is not

required to assume a known phase relationship between CLKI and the BYCLK.

• Serial Data Rates up to 2.5Gb/s

• Parallel Data Rates up to 312.5Mb/s

• ECL 100K Compatible Parallel Data I/Os

• Divide-by-8 Clock for Synchronization of

• SONET Frame Recovery Circuitry

• Compatible with STS-3 to STS-48

Parallel Data to Interfacing Chips

(VSC8022)

SONET Applications

The VSC8021 and VSC8022 are high-speed SONET interface devices capable of handling serial data at

These products are fabricated in gallium arsenide using the Vitesse H-GaAs

The VSC8021 contains an 8:1 multiplexer and a self-positioning timer. The 8:1 multiplexer accepts 8 paral-

The internal timing of the VSC8021 is built around the high-speed clock (up to 2.5GHz) delivered onto the

The parallel data inputs are clocked to on-chip input registers with an externally supplied differential ECL

Internal circuitry monitors the internal and external byte clocks and generates an ERR signal if a timing

There are two clock inputs, CLKI and BYCLK, going into the VSC8021. These two clocks serve as timing

Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com

VITESSE

SEMICONDUCTOR CORPORATION

Internet: www.vitesse.com

• Differential or Single-Ended Inputs and Outputs

• Low Power Dissipation: 2.3W (Typ Per Chip)

• Standard ECL Power Supplies:

• Available in Commercial (0 C to +70 C) or Industrial

• Proven E/D Mode GaAs Technology

• 52-Pin Leaded Ceramic Chip Carrier

(-40 C to +85 C) Temperature Ranges

= -5.2V, V

= -2.0V

2.5Gb/s SONET-Compatible

8-Bit MUX/DEMUX Chipset

E/D MESFET process which

Page 1

Related parts for VSC8021FC

VSC8021FC Summary of contents

Page 1

Data Sheet VSC8021/VSC8022 Features • Serial Data Rates up to 2.5Gb/s • Parallel Data Rates up to 312.5Mb/s • ECL 100K Compatible Parallel Data I/Os • Divide-by-8 Clock for Synchronization of Parallel Data to Interfacing Chips • SONET Frame Recovery ...

Page 2

SONET-Compatible 8-Bit MUX/DEMUX Chipset An internal Phase Detector and Phase Adjust Circuit are used to facilitate the two asynchronous circuits to work with each other. The Phase Detector and the Phase Adjust Circuit work together to adjust the internal ...

Page 3

Data Sheet VSC8021/VSC8022 VSC8022 The VSC8022 contains both a 1:8 demultiplexer and SONET frame recovery circuitry. The 1:8 demultiplexer accepts a serial data input ( DI, DIN ) at rates up to 2.5Gb/s and converts it into 8 parallel differential ...

Page 4

SONET-Compatible 8-Bit MUX/DEMUX Chipset VSC8021 Multiplexer AC Characteristics (1) CLKI , CLKIN High speed differential clock input (1) BYCLK (BYCLKN) Byte clock input CLK8 Phase adjustable ÷8 output D1-D8, D1N-D8N Parallel differential data inputs CO, CON High speed differential ...

Page 5

C (1) CLKI (CLKIN) High speed differential clock input t OOFNPW OOFN t Frame recovery clock input OOFN DI (DIN) High speed serial data inputs A1 BYCKO (BYCKON) Byte clock output BYCKO Resynch D1 (D1N) D2 (D2N) D3 (D3N) ...

Page 6

SONET-Compatible 8-Bit MUX/DEMUX Chipset Table 2: VSC8022 Demultiplexer AC Characteristics Parameter Description (1) t Clock period C t BYTE clock period ( BYTE clock output to valid data rising edge from parallel data output ...

Page 7

Data Sheet VSC8021/VSC8022 Table 5: Power Dissipation (Over recommended operating conditions, V Parameter Description I Power supply current from Power supply current from Power dissipation D Absolute Maximum Ratings Power Supply Voltage (V ) ...

Page 8

SONET-Compatible 8-Bit MUX/DEMUX Chipset VSC8022 SONET Frame Recovery and Detection The SONET framing sequence is a string of A1 bytes followed by a string of A2 bytes. (A1 = 11110110 and A2 = 00101000). The first serial bit starts ...

Page 9

Data Sheet VSC8021/VSC8022 STS-3 Frame 125 Bytes Bytes 3 A1s 3 A2s 3 C1s 9 Rows Transport Overhead High-Speed Inputs In the past, the high-speed inputs, which are typically used for serial data ...

Page 10

SONET-Compatible 8-Bit MUX/DEMUX Chipset Heat Sink Up Top View D3N D4N 42 VCC 43 BYCLK 44 BYCLKN 45 VTT D5N 48 VCC D6N Page 10 © VITESSE ...

Page 11

Data Sheet VSC8021/VSC8022 Table 7: VSC8021 Pin Identifications Pin # Signal Name I/O 1 D7N D8N 4 VCC Pwr RCLKN 7 VTT Pwr 8 RCLK VCC Pwr ...

Page 12

SONET-Compatible 8-Bit MUX/DEMUX Chipset 33 VEE Pwr D1N 36 VCC Pwr D2N D3N D4N 43 VCC Pwr 44 BYCLK 45 BYCLKN 46 VTT Pwr ...

Page 13

Data Sheet VSC8021/VSC8022 Heat Sink Up Top View D5N VCC 43 BYCKON VTT 46 BYCKO 47 D4N 48 VCC D3N G52028-0, Rev 4.1 © VITESSE SEMICONDUCTOR ...

Page 14

SONET-Compatible 8-Bit MUX/DEMUX Chipset Table 8: VSC8022 Pin Identifications Pin # Signal Name I D2N 4 VCC Pwr D1N 7 VTT Pwr VCC Pwr 11 FDIS ...

Page 15

Data Sheet VSC8021/VSC8022 VEE Pwr 34 D7N VCC Pwr D6N D5N VCC Pwr 44 BYCKON VTT Pwr 47 BYCKO 48 ...

Page 16

SONET-Compatible 8-Bit MUX/DEMUX Chipset Package Information B HEAT SINK SIDE PACKAGE IS CAVITY DOWN 52 1 45° Item mm (Min/Max) A 18.54/19 1.02/1.52 (1) C 15.49/16.51 (1) D 15.24 TYP E 1.27 TYP ...

Page 17

Data Sheet VSC8021/VSC8022 Order information The order number for this product is formed by a combination of the device number, and package type. Device Type VSC8021: SONET 2.5Gb/s 8-Bit Multiplexer VSC8022: SONET 2.5Gb/s 8-Bit Demultiplexer Notice Vitesse Semiconductor Corporation (“Vitesse”) ...

Related keywords

VSC8021FC datasheet
VSC8021FC data sheet
VSC8021FC pdf datasheet
VSC8021FC component
VSC8021FC part
VSC8021FC distributor
VSC8021FC RoHS
VSC8021FC datasheet download