SYM53C860 datasheet, PDF - EEWORLD Datasheet

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SYM53C860: DescriptionSCSI Terminator, PQFP100, PLASTIC, QFP-100; CategoryAnalog mixed-signal IC Drivers and interfaces; File Size86KB，3 Pages; ManufacturerLSC/CSI; Websitehttps://lsicsi.com

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SYM53C860 Overview

SCSI Terminator, PQFP100, PLASTIC, QFP-100

SYM53C860 Parametric

Parameter Name	Attribute value
Parts packaging code	QFP
package instruction	QFP,
Contacts	100
Reach Compliance Code	unknown
Interface integrated circuit type	SCSI BUS TERMINATOR
JESD-30 code	R-PQFP-G100
Number of terminals	100
Package body material	PLASTIC/EPOXY
encapsulated code	QFP
Package shape	RECTANGULAR
Package form	FLATPACK
Certification status	Not Qualified
surface mount	YES
Terminal form	GULL WING
Terminal location	QUAD
Base Number Matches	1

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Data Sheet

SYM53C860

Single-Chip High-Performance PCI-Ultra SCSI (Fast-20) I/O Processor

•

Ultra SCSI (Fast-20) technology doubles the I/O bandwidth to 20 MB/s

Builds upon proven technology--a pin-for-pin replacement for the industry standard

SYM53C810 and SYM53C810A

Easy migration minimizes schedule and design risk

Provides new features for enhanced PCI performance and flexibility

The SYM53C860 includes all of the features of the SYM53C810A with added support

for Ultra SCSI (Fast-20) transfers, enabling the chip to transfer SCSI data at up to 20

MB/s across an 8-bit SCSI bus. Fast-20 is an extension of the SCSI-3 standard that

expands the bandwidth of the SCSI bus and allows faster synchronous SCSI transfer

rates. When enabled, Fast-20 approximately doubles the synchronous transfer rates of

Fast SCSI-2. The advantage of Symbios Fast-20 is that it significantly improves SCSI

bandwidth, while preserving existing hardware and software investments. The

SYM53C860 provides full SCSI-2 capabilities, including command queuing, and

features Symbios TolerANT™ SCSI driver and receiver technology, for reliable

operation in all cabling environments. It is designed to connect gluelessly to the

Peripheral Component Interconnect (PCI) bus, performing burst transfers on the bus in

excess of 110 MB/s.

The SYM53C860 and its available companion host adapter, the SYM8600SP, along

with the Symbios SCSI Device Management System (SDMS) software, provide a total

Ultra SCSI (Fast-20) solution in PC and workstation environments. The SYM8600SP is

a low-cost host bus adapter which meets all the requirements of Plug-and-Play SCSI

with SCAM (SCSI Configured AutoMatically) support, as well as the requirements and

recommendations for the Windows 95 logo program. SDMS is the complete software

package designed by Symbios to support the entire SYM53C8XX family of PCI-SCSI

controllers plus a wide range of SCSI peripheral devices.

PCI performance enhancements on the SYM53C860 include the SCRIPTS™ (the

Symbios-developed SCSI programming language) instruction prefetch which, when

enabled, permits fetching four or eight double words of instructions or instruction

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