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First-in, first-out integrated circuit memory device utilizing a dynamic random access memory array for data storage implemented in conjunction with an associated static random access memory cache

  • US 5,901,100 A
  • Filed: 04/01/1997
  • Issued: 05/04/1999
  • Est. Priority Date: 04/01/1997
  • Status: Expired due to Term
First Claim
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1. An integrated circuit first-in, first-out memory device comprising:

  • an input bus for receiving data to be written to said memory device;

    an input buffer coupled to said input bus for storing said data;

    a dynamic random access memory array comprising a plurality of memory banks coupled to said input buffer and a write pointer for storing said data in said input buffer to a location within said memory array indicated by said write pointer;

    a plurality of memory caches each of said memory caches corresponding to one of said plurality of memory banks;

    an output bus coupled to said memory array, said plurality of memory caches and a read pointer for providing previously written data from said memory array to a corresponding one of said plurality of memory caches at a location indicated by said read pointer.

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