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IDT79RC4640™
Physical Specifications - 128-Pin PQFP
J X 45 0
3X
7 0
L
D1
D
PIN 1 ID h X 45
0
SYMBOLS
A
A1
A2 b
C
D/E
D1/E1 e
J h
L e
C
E1
E
A2
A
A1
MIN
3.50
.25
3.17
.30
.13
31.00
27.59
27.79
.80 BSC
.20 REF
.89 REF
.68
-
MAX
3.86
.51
3.43
.45
.23
31.40
NOTES:
1. ALL DIMENSIONS ARE IN MILLIMETERS.
TOLERANCES UNLESS
OTHERWISE SPECIFIED
FRAC DEC ANGLES
%%p -
APPROVALS
DRAWN
CHECKED
AA
DATE
11/95 dt
Integrated Device Technology, Inc.
3001 Stender Way, Santa Clara, CA 95054
(408) 492-8333 FAX (408) 727-2328
(.80 LD PITCH, GULLWING)
SCALE
N/A
SIZE
A
DRAWING NO.
PSC-4054
DO NOT SCALE DRAWING SHEET OF
1 1
REV
00
21 of 23 December 5, 2008
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Table of contents
- 1 Block Diagram
- 1 Features
- 2 Description
- 2 Hardware Overview
- 2 Pipeline
- 2 Integer Execution Engine
- 2 Register File
- 2 Arithmetic Logic Unit
- 2 Integer Multiply/Divide
- 3 Floating-Point Coprocessor
- 3 Floating-Point Units
- 3 Floating-Point General Register File
- 4 System Control Coprocessor (CP0)
- 4 System Control Coprocessor Registers
- 4 Operation Modes
- 4 Virtual-to-Physical Address Mapping
- 5 Debug Support
- 5 Interrupt Vector
- 5 Cache Memory
- 5 Instruction Cache
- 5 Data Cache
- 6 Write Buffer
- 6 System Interface
- 6 System Address/Data Bus
- 6 System Command Bus
- 6 Handshake Signals
- 7 Boot-Time Options
- 7 Non-overlapping System Interface
- 7 Boot-Time Modes
- 7 Power Management
- 7 Standby Mode Operation
- 7 Entering Standby Mode
- 8 Thermal Considerations
- 9 Data Sheet Revision History
- 9 Changes to version dated December 1995:
- 9 Changes to version dated March 1997:
- 9 Changes to version dated May 1997:
- 9 Changes to version dated March 1998:
- 9 Changes to version dated April 1998:
- 9 Changes to version dated July 1999:
- 9 Changes to version dated March 2000
- 9 Changes to version dated July 2000
- 9 Changes to version dated April 2001
- 9 Changes to version dated June 2006
- 9 Changes to version dated December 2008
- 11 Pin Description
- 12 Absolute Maximum Ratings
- 12 Recommended Operation Temperature and Supply Voltage
- 13 DC Electrical Characteristics — Commercial Temperature Range—R4640
- 13 Power Consumption—R4640
- 14 AC Electrical Characteristics — Commercial Temperature Range—R4640
- 14 Clock Parameters—R4640
- 14 System Interface Parameters—R4640
- 15 Boot-time Interface Parameters—R4640
- 15 Capacitive Load Deration—R4650
- 15 DC Electrical Characteristics — Commercial / Industrial Temperature Range—RV4640
- 16 Power Consumption—RV4640
- 17 AC Electrical Characteristics — Commercial/Industrial Temperature Range—RV4640
- 17 Clock Parameters—RV4640
- 17 System Interface Parameters—RV4640
- 18 Boot Time Interface Parameters—RV4640
- 18 Capacitive Load Deration—RV4640
- 19 Timing Characteristics—RV4640
- 20 Mode Configuration Interface Reset Sequence
- 21 Physical Specifications - 128-Pin PQFP
- 22 RC4640 Package Pin-Out
- 23 Ordering Information
- 23 Valid Combinations