High performance microprocessor having variable speed system clock

CAFC
  • US 6,598,148 B1
  • Filed: 07/29/1998
  • Issued: 07/22/2003
  • Est. Priority Date: 08/03/1989
  • Status: Expired due to Fees
First Claim
Patent Images

1. A microprocessor integrated circuit comprising:

  • a program-controlled processing unit operative in accordance with a sequence of program instructions;

    a memory coupled to said processing unit and capable of storing information provided by said processing unit;

    a plurality of column latches coupled to the processing unit and the memory, wherein, during a read operation, a row of bits are read from the memory and stored in the column latch; and

    a variable speed system clock having an output coupled to said processing unit;

    said processing unit, said variable speed system clock, said plurality of column latches, and said memory fabricated on a single substrate, said memory using a greater area of said single substrate than said processing unit, said memory further using a majority of a total area of said single substrate.

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