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NCR53C95 - Advanced SCSI Controller

This page provides the datasheet information for the NCR53C95, a member of the NCR53C94 Advanced SCSI Controller family.

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).

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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Datasheet Details

Part number NCR53C95
Manufacturer NCR Microelectronics
File Size 2.86 MB
Description Advanced SCSI Controller
Datasheet download datasheet NCR53C95 Datasheet
Additional preview pages of the NCR53C95 datasheet.

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NCR 53C94, 53C95, 53C96 Advanced SCSI Controller 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). The 53C94 has on-chip 48 rnA drivers for single ended transmission, while the 53C95 provides control signals for external differential trancei verso The 53C96 offers both single ended and differential mode in a single 100 pin Quad Flat Pack (QFP) package.
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