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US5784291A Expired / Lapsed US ⏱️ 0.0 years remaining

CPU, memory controller, bus bridge integrated circuits, layout structures, system and methods

Assignee: Texas Instruments Inc
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Filing: 1996-08-29
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Granted: 1998-07-21
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Expires: 2016-08-29
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Abstract

Abstract An integrated circuit includes a single chip (102) that has a microprocessor (702), a memory controller unit (718), an internal bus (714) connecting the microprocessor (702) and the memory controller unit (718), and an external bus to internal bus interface circuit (716). The microprocessor (102) occupies a substantially rectangular region on a substrate (802). The memory controller unit (718) occupies a first strip along one side of the microprocessor unit (702) accessible via the bond pads broadside to the first strip. Other circuits, systems, and methods are disclosed.

Inventors

  • 👤 Ian Chen
  • 👤 Uming Ko

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 08:52
CPC Classifications
G; G06; G06F; G06F15/00; G06F15/76; G06F15/78

Claims Analysis

Total Claims: 20
Claim 1
Independent Claim 129 words
A single chip integrated circuit device comprising: a substrate with bond pads, a microprocessor occupying a substantially rectangular region lying on or near a first side of said substrate; a memory controller unit occupying a first strip along one side of and substantially perpendicular to the length of said microprocessor, said first strip lying on or near a second side of said substrate; and an internal bus connecting said microprocessor and said memory controller unit; and an external bus to internal bus interface circuit, occupying a second strip substantially perpendicular to said first strip and disposed along microprocessor, said second strip lying on or near a third side of said substrate and having a length providing physical width accessibility to more than one terminals for connection to a bus.
Claim 2
Dependent Claim 129 words
A single chip integrated circuit device comprising: a substrate with bond pads, a microprocessor occupying a substantially rectangular region lying on or near a first side of said substrate; a memory controller unit occupying a first strip along one side of and substantially perpendicular to the length of said microprocessor, said first strip lying on or near a second side of said substrate; and an internal bus connecting said microprocessor and said memory controller unit; and an external bus to internal bus interface circuit, occupying a second strip substantially perpendicular to said first strip and disposed along microprocessor, said second strip lying on or near a third side of said substrate and having a length providing physical width accessibility to more than one terminals for connection to a bus.
Claim 3
Dependent Claim 71 words
The device claimed in claim 1 wherein said interface circuit comprises a Peripheral Components Interconnect (PCI) bus bridge connected between said internal bus and bond pads for connection to a PCI external bus, and a data routing and buffering unit coupled to said internal bus and to said bond pads for connection to said PCI external bus, said routing and buffering unit further coupled to bond pads for memory data communication.
Claim 4
Dependent Claim 44 words
The device claimed in claim 1 further comprising a cache memory lying on or near a fourth side of said substrate, adjacent and perpendicular to said microprocessor length, opposite and parallel to said memory controller unit length, and perpendicular to said interface circuit length.
Claim 5
Dependent Claim 35 words
The device claimed in claim 1 wherein the microprocessor comprises a microcode ROM and an execution unit, and said interface circuit is located on or near opposite side of said substrate from said microcode ROM.
Claim 6
Dependent Claim 18 words
The device claimed in claim 1 wherein said substrate has sides, said sides being approximately equal in length.
Claim 7
Dependent Claim 148 words
A personal computer comprising: an input device; a memory, a display; and an integrated circuit comprising: a substrate with bond pads, a microprocessor coupled to said input device, said memory and said display and occupying a substantially rectangular region lying on or near a first side of said substrate; a memory controller unit occupying a first strip along one side of and substantially perpendicular to the length of said microprocessor, said first strip lying on or near a second side of said substrate; an internal bus connecting said microprocessor and said memory controller unit; and an external bus to internal bus interface circuit, occupying a second step substantially perpendicular to said first strip and disposed along microprocessor, said second strip lying on or near a third side of said substrate and having a length providing physical width accessibility to more than one terminals for connection to a bus.
Claim 8
Dependent Claim 148 words
A personal computer comprising: an input device; a memory, a display; and an integrated circuit comprising: a substrate with bond pads, a microprocessor coupled to said input device, said memory and said display and occupying a substantially rectangular region lying on or near a first side of said substrate; a memory controller unit occupying a first strip along one side of and substantially perpendicular to the length of said microprocessor, said first strip lying on or near a second side of said substrate; an internal bus connecting said microprocessor and said memory controller unit; and an external bus to internal bus interface circuit, occupying a second step substantially perpendicular to said first strip and disposed along microprocessor, said second strip lying on or near a third side of said substrate and having a length providing physical width accessibility to more than one terminals for connection to a bus.
Claim 9
Dependent Claim 72 words
The personal computer claimed in claim 6 wherein said interface circuit comprises a Peripheral Components Interconnect (PCI) bus bridge connected between said internal bus and bond pads for connection to a PCI external bus, and a data routing and buffering unit coupled to said internal bus and to said bond pads for connection to said PCI external bus, said routing and buffering unit further coupled to bond pads for memory data communication.
Claim 10
Dependent Claim 41 words
The personal computer claimed in claim 6 further comprising a cache memory lying in or near a fourth side of said substrate, adjacent said microprocessor, opposite and parallel to said memory controller unit length, and perpendicular to said interface circuit length.
Claim 11
Dependent Claim 37 words
The personal computer claimed in claim 6 wherein said microprocessor comprises a microcode ROM and an execution unit, and said interface circuit is located on or near an opposite side of said substrate from said microcode ROM.
Claim 12
Dependent Claim 14 words
The personal computer claimed in claim 6 wherein said input device includes a keyboard.
Claim 13
Dependent Claim 13 words
The personal computer claimed in claim 6 wherein said display includes a CRT.
Claim 14
Dependent Claim 18 words
The personal computer claimed in claim 6 wherein the personal computer has the form of a notebook computer.
Claim 15
Dependent Claim 160 words
An electronic wiring board article of manufacture comprising: a printed wiring board having a substantially planar board element, conductors in or on said planar board element; an integrated circuit mounted on said printed wiring board said integrated circuit comprising: a substrate with bond pads; a microprocessor occupying a substantially rectangular region lying on or near a first side of said substrate; a memory controller unit occupying a first strip along one side of and substantially perpendicular to the length of said microprocessor, said first strip lying on or near a second side of said substrate; an internal bus connecting said microprocessor and said memory controller unit; and an external bus to internal bus interface circuit, occupying a second strip substantially perpendicular to said first strip and disposed along microprocessor, said second strip lying on or near a third side of said substrate and having a length providing physical width accessibility to more than one terminals for connection to a bus.
Claim 16
Dependent Claim 160 words
An electronic wiring board article of manufacture comprising: a printed wiring board having a substantially planar board element, conductors in or on said planar board element; an integrated circuit mounted on said printed wiring board said integrated circuit comprising: a substrate with bond pads; a microprocessor occupying a substantially rectangular region lying on or near a first side of said substrate; a memory controller unit occupying a first strip along one side of and substantially perpendicular to the length of said microprocessor, said first strip lying on or near a second side of said substrate; an internal bus connecting said microprocessor and said memory controller unit; and an external bus to internal bus interface circuit, occupying a second strip substantially perpendicular to said first strip and disposed along microprocessor, said second strip lying on or near a third side of said substrate and having a length providing physical width accessibility to more than one terminals for connection to a bus.
Claim 17
Dependent Claim 72 words
The electronic wiring board claimed in claim 13 wherein said interface circuit comprises a Peripheral Components Interconnect (PCI) bus bridge connected between said internal bus and bond pads for connection to a PCI external bus, and a data routing and buffering unit coupled to said internal bus and said bond pads for connection to said PCI external bus, said routing and buffering unit further coupled to bond pads for memory data communication.
Claim 18
Dependent Claim 43 words
The electronic wiring board claimed in claim 13 further comprising a cache memory lying on or near a fourth side of said substrate, adjacent to said microprocessor, opposite and parallel to said memory controller unit length, and perpendicular to said interface circuit length.
Claim 19
Dependent Claim 38 words
The electronic wiring board claimed in claim 13 wherein said microprocessor comprises a microcode ROM and an execution unit, and said interface circuit is located on or near an opposite side of said substrate from said microcode ROM.
Claim 20
Dependent Claim 21 words
The device claimed in claim 1 wherein said memory controller unit and said interface circuit are accessible via said bond pads.

References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2001-07-20 2002-01-19 2002-07-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2005-07-20 2006-01-19 2006-07-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2009-07-20 2010-01-19 2010-07-21 $7700.00 Window Closed / Lapsed

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