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NCR53C94 Datasheet Advanced SCSI Controller

Manufacturer: NCR Microelectronics

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Datasheet Details

Part number NCR53C94
Manufacturer NCR Microelectronics
File Size 2.86 MB
Description Advanced SCSI Controller
Datasheet download datasheet NCR53C94 Datasheet

General Description

The 53C94, 53C95 and 53C96 are high performance CMOS devices conforming to the ANSI standard, X3.l3I-I986, for Small Computer Systems Interface (SCSI).

They are a super-set of the 53C90 with additional commands, registers and an I8-bit DMA interface (two parity bits).

The microprocessor bus width is 8-bits, and may be configured to be separate from the I8-bit DMA bus (called dual bus) or share the lower half (called single bus).

Overview

NCR 53C94, 53C95, 53C96 Advanced SCSI Controller General.

Key Features

  • ANSI X3.13I-I986 compatible.
  • On-chip 48 rnA drivers.
  • Control logic for differential tranceivers.
  • Parity generation, optional checking.
  • Parity pass-thru.
  • Software compatible with 53C90.
  • SCSI-2 tagged -queuing.
  • I8-bit DMA interface.
  • Dual bus or single bus processor and DMA.
  • Multiplexed or nonmultiplexed address/data.
  • Burst mode.
  • 20 MB/S DMA interface.
  • Up to 5 MB/S asynchronous SCSI.

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