CY7C924ADXAXC Cypress Semiconductor Corporation., CY7C924ADXAXC Datasheet

CY7C924ADXAXC

Manufacturer Part Number

CY7C924ADXAXC

Description

TQFP-100

Manufacturer

Cypress Semiconductor Corporation.

Datasheet

1.CY7C924ADXAXC.pdf (58 pages)

Specifications of CY7C924ADXAXC

Date_code

07+

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Cypress Semiconductor Corporation

Document #: 38-02008 Rev. *E

Features

Functional Description

The 200 MBaud CY7C924ADX HOTLink Transceiver is a

point-to-point communications building block allowing the

transfer of data over high speed serial links (optical fiber,

balanced, and unbalanced copper transmission lines) at

speeds ranging between 50 and 200 MBaud. The transmit

section accepts parallel data of selectable width and converts

it to serial data, while the receiver section accepts serial data

and converts it to parallel data of selectable width.

illustrates typical connections between two independent host

systems and corresponding CY7C924ADX parts. As a second

generation HOTLink device, the CY7C924ADX provides

enhanced levels of technology, functionality, and integration

over the field proven CY7B923/933 HOTLink.

• Second generation HOTLink

• Fibre Channel and ESCON

• 10 or 12 bit preencoded data path (raw mode)

• 8 or 10 bit encoded data transport (using 8B/10B coding)

• Synchronous or asynchronous TTL parallel interface

• UTOPIA compatible host bus interface

• Embedded/Bypassable 256-character synchronous FIFOs

• Integrated support for daisy-chain and ring topologies

• Domain or individual destination device addressing

• 50 to 200 MBaud serial signaling rate

• Internal PLLs with no external PLL components

• Dual differential PECL compatible serial inputs

• Dual differential PECL compatible serial outputs

• Compatible with fiber optic modules and copper cables

• Built-In Self-Test (BIST) for link testing

• Link Quality Indicator

• Single +5.0V ±10% supply

• 100-pin TQFP

• 0.35µ CMOS technology

• Pb-free package available

encoder/decoder

Transmit

Control

Receive

Status

Data

compliant 8B/10B

CY7C924ADX

technology

Figure 1. HOTLink System Connections

•

198 Champion Court

Figure 1

Serial Link

200 MBaud HOTLink

Serial Link

The transmit section of the CY7C924ADX HOTLink can be

configured to accept either 8 or 10 bit data characters on each

clock cycle, and stores the parallel data in an internal Transmit

FIFO. Data is read from the Transmit FIFO and is encoded

using an embedded 8B/10B encoder to improve its serial

transmission characteristics. These encoded characters are

then serialized and output from two Positive ECL (PECL)

compatible differential transmission line drivers at a bit rate of

10 or 12 times the character rate.

The receive section of the CY7C924ADX HOTLink accepts a

serial bit stream from one of two PECL compatible differential

line receivers and, using a completely integrated PLL Clock

Synchronizer, recovers the timing information necessary for

data reconstruction. The recovered bit stream is deserialized

and framed into characters, 8B/10B decoded, and checked for

transmission errors. Recovered decoded characters are

reconstructed into either 8 or 10 bit data characters, written to

an internal Receive FIFO, and presented to the destination

host system.

Systems that present externally encoded or scrambled data at

the parallel interface may bypass the integrated 8B/10B

encoder/decoder. The embedded FIFOs may also be

bypassed to create a reference locked serial transmission link.

For those systems requiring even greater FIFO storage

capability, external FIFOs may directly couple to the

CY7C924ADX device through the parallel interface without

additional glue-logic.

You can configure the TTL parallel I/O interface as either a

FIFO (configurable for UTOPIA emulation or for depth

expansion through external FIFOs) or as a pipeline register

extender. The FIFO configurations are optimized for transport

of time-independent (asynchronous) 8 or 10 bit character

oriented data across a link. A Built-In Self-Test (BIST) pattern

generator and checker permits at-speed testing of the high

speed serial data paths in both the transmit and receive

sections, and across the interconnecting links.

HOTLink devices are ideal for a variety of applications where

parallel interfaces can be replaced with high speed,

point-to-point serial links. Some applications include intercon-

necting workstations, backplanes, servers, mass storage, and

video transmission equipment.

•

San Jose

CY7C924ADX

CA 95134-1709

Revised March 27, 2007

Receive

CY7C924ADX

Transceiver

Control

Transmit

Status

Data

•

408-943-2600

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