INTEL A80960HT75

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DISCLAIMER: The information provided herein is solely for informational purposes. Customers must be aware of the suitability of this product for their application, and consider that variable factors such as Manufacturer, Product Category, Date Codes, Pictures and Descriptions may differ from available inventory.

80960HA/HD/HT 32-Bit High-Performance
Superscalar Processor
Data Sheet
Advance Information
Product Features
32-Bit Parallel Architecture
Load/Store Architecture
Sixteen 32-Bit Global Registers
Sixteen 32-Bit Local Registers
—1.28 Gbyte InternalBandwidth
(80 MHz)
On-Chip Register Cache
Processor Core Clock
80960HA is 1x Bus Clock
80960HD is 2x Bus Clock
—80960HTis3x BusClock
Binary Compatible with Other 80960
Processors
Issue Up To 150 Million Instructions per
Second
High-Performance On-Chip Storage
16 Kbyte Four-Way Set-Associative
Instruction Cache
8 Kbyte Four-Way Set-Associative Data
Cache
2 Kbyte General Purpose RAM
Separate 128-Bit Internal Paths For
Instructions/Data
3.3 V Supply Voltage
5 V Tolerant Inputs
TTL Compatible Outputs
Guarded Memory Unit
Provides Memory Protection
User/Supervisor Read/Write/Execute
32-Bit Demultiplexed Burst Bus
Per-Byte Parity Generation/Checking
Address Pipelining Option
Fully Programmable Wait State
Generator
Supports 8-, 16- or 32-Bit Bus Widths
160 Mbyte/s External Bandwidth
(40 MHz)
High-Speed Interrupt Controller
Up to 240 External Interrupts
31 Fully Programmable Priorities
Separate, Non-maskable Interrupt Pin
Dual On-Chip 32-Bit Timers
Auto Reload Capability and One-Shot
CLKIN Prescaling, ÷1, 2, 4 or 8
JTAG Support - IEEE 1149.1 Compliant
Order Number: 272495-007
July, 1998
Notice: This document contains information on products in the sampling and initial production
phases of development. The specifications are subject to change without notice. Verify with your
local Intel sales office that you have the latest datasheet before finalizing a design.
80960HA/HD/HT
Advance Information Datasheet
Information in this document is provided in connection with Intel products. No license, express or implied, by estoppel or otherwise, to any intellectual
property rights is granted by this document. Except as provided in Intel's Terms and Conditions of Sale for such products, Intel assumes no liability
whatsoever, and Intel disclaims any express or implied warranty, relating to sale and/or use of Intel products including liability or warranties relating to
fitness for a particular purpose, merchantability, or infringement of any patent, copyright or other intellectual property right. Intel products are not
intended for use in medical, life saving, or life sustaining applications.
Intel may make changes to specifications and product descriptions at any time, without notice.
Designers must not rely on the absence or characteristics of any features or instructions marked "reserved" or "undefined." Intel reserves these for
future definition and shall have no responsibility whatsoever for conflicts or incompatibilities arising from future changes to them.
The
80960HA/HD/HT
may contain design defects or errors known as errata which may cause the product to deviate from published specifications.
Current characterized errata are available on request.
Contact your local Intel sales office or your distributor to obtain the latest specifications and before placing your product order.
Copies of documents which have an ordering number and are referenced in this document, or other Intel literature may be obtained by calling
1-800-548-4725 or by visiting Intel's website at http://www.intel.com.
Copyright © Intel Corporation, 1998
*Third-party brands and names are the property of their respective owners.
Advance Information Datasheet iii
80960HA/HD/HT
Contents
1.0 About This Document ..............................................................................................1
2.0 Intel’s 80960Hx Processor......................................................................................1
2.1 The i960® Processor Family.................................................................................2
2.2 Key 80960Hx Features..........................................................................................2
2.2.1 Execution Architecture .............................................................................2
2.2.2 Pipelined, Burst Bus .................................................................................2
2.2.3 On-Chip Caches and Data RAM ..............................................................3
2.2.4 Priority Interrupt Controller .......................................................................3
2.2.5 Guarded Memory Unit..............................................................................3
2.2.6 Dual Programmable Timers .....................................................................4
2.2.7 Processor Self Test..................................................................................4
2.3 Instruction Set Summary.......................................................................................5
3.0 Package Information.................................................................................................6
3.1 Pin Descriptions ....................................................................................................7
3.2 80960Hx Mechanical Data ..................................................................................12
3.2.1 80960Hx PGA Pinout .............................................................................12
3.2.2 80960Hx PQ4 Pinout..............................................................................18
3.3 Package Thermal Specifications.........................................................................23
3.4 Heat Sink Adhesives ...........................................................................................26
3.5 PowerQuad4 Plastic Package.............................................................................26
3.6 Stepping Register Information.............................................................................26
3.7 Sources for Accessories......................................................................................28
4.0 Electrical Specifications........................................................................................29
4.1 Absolute Maximum Ratings.................................................................................29
4.2 Operating Conditions...........................................................................................29
4.3 Recommended Connections...............................................................................30
4.4 VCC5 Pin Requirements (V
DIFF
).........................................................................30
4.5 VCCPLL Pin Requirements.................................................................................31
4.6 DC Specifications................................................................................................32
4.7 AC Specifications ................................................................................................34
4.7.1 AC Test Conditions ................................................................................37
4.8 AC Timing Waveforms ........................................................................................38
5.0 Bus Waveforms.........................................................................................................46
5.1 80960Hx Boundary Scan Chain..........................................................................76
5.2 Boundary Scan Description Language Example.................................................80
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