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IDT79R4640-180DU Datasheet(PDF) 9 Page - Integrated Device Technology

Part # IDT79R4640-180DU
Description  Low-Cost Embedded 64-bit RISController w/ DSP Capability
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Manufacturer  IDT [Integrated Device Technology]
Direct Link  http://www.idt.com
Logo IDT - Integrated Device Technology

IDT79R4640-180DU Datasheet(HTML) 9 Page - Integrated Device Technology

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April 10, 2001
IDT79RC4640™
Data Sheet Revision History
Data Sheet Revision History
Data Sheet Revision History
Data Sheet Revision History
Changes to version dated December 1995:
Changes to version dated December 1995:
Changes to version dated December 1995:
Changes to version dated December 1995:
Features:
– Added 32-bit bus interface info
– Deleted items from low-power operation descriptions.
Hardware Overview:
– Added detailed descriptions of features.
– Changed Boot Time Mode Stream table values for mode bit
12.
DC Electrical Characteristics:
–The CIN and COUT values have been changed.
AC Electrical Characteristics:
– In System Interface Parameters tables (RC4640 and
RV4640), Data Setup and Data Hold minimums changed.
Valid Combinations:
– List of valid combinations has been corrected.
Changes to version dated March 1997:
Changes to version dated March 1997:
Changes to version dated March 1997:
Changes to version dated March 1997:
Features:
– Added preliminary 150 MHz operation frequency
Thermal Considerations:
– Added thermally enhanced packaging (“DU”) and drop-in heat
spreader information.
– Upgraded 80 to 133MHz speed grade specs to “final.”
Changes to version dated May 1997:
Changes to version dated May 1997:
Changes to version dated May 1997:
Changes to version dated May 1997:
Features:
– Added 180 MHz spreader information
– Eliminated 80 MHz
Changes to version dated March 1998:
Changes to version dated March 1998:
Changes to version dated March 1998:
Changes to version dated March 1998:
Features:
– Added 200MHz operating frequency
Changes to version dated April 1998:
Changes to version dated April 1998:
Changes to version dated April 1998:
Changes to version dated April 1998:
Features:
– Added 400MB/sec bandwidth reference
Power Consumption (RV4640):
– Upgraded System Condition Icc active parameters
Changes to version dated July 1999:
Changes to version dated July 1999:
Changes to version dated July 1999:
Changes to version dated July 1999:
– Corrected several incorrect references to tables and figures.
Changes to version dated March 2000
Changes to version dated March 2000
Changes to version dated March 2000
Changes to version dated March 2000
– Replaced existing figure in Mode Configuration Interface
Reset Sequence section with 3 reset figures.
– Revised values in System Interface Parameters table.
Changes to version dated July 2000
Changes to version dated July 2000
Changes to version dated July 2000
Changes to version dated July 2000
– Revised package information in the Thermal Considerations
section, Physical Specifications section, Ordering Information
section, and the Valid Combinations section.
Changes to version dated
Changes to version dated
Changes to version dated
Changes to version dated April 2
April 2
April 2
April 2001
001
001
001
– In the Data Output and Data Output Hold categories of the
System Interface Parameters tables, changed values in the
Min column for all speeds from 1.0 and 2.0 to 0.
Figure 4 RC4640 Block Write Request
MasterClock
SysAD
Addr
Data0
Data1
Data6
Data7
SysCmd
ValidOut
ValidIn
RdRdy
WrRdy
Release
Write
CData
CData
CData
CEOD


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