Synchronous memory packaged in single/dual in-line memory module

Details Synchronous memory packaged in single/dual in-line memory module Synchronous memory packaged in single/dual in-line memory module

1994-12-02

1996-04-30

Nelms, David C.

Static information storage and retrieval

Hardware for storage elements

365 63, G11C 506

Patent

active

055131352

ABSTRACT:
Multiple synchronous dynamic random access memories (SDRAMs) are packaged in a single or a dual in-line memory module to have similar physical and architectural characteristics of dynamic random access memories (DRAMs) packaged in single/dual in-line memory modules. A 168 pin SDRAM DIMM family is presented which requires no modification of existing connector, planar or memory controller components. The 168 pin SDRAM DIMM family includes 64 bit non-parity, 72 bit parity, 72 bit ECC and 80 bit ECC memory organizations. Special placement and wiring of decoupling capacitors about the SDRAMs and the buffer chips contained within the module are also presented to reduce simultaneous switching noises during read and write operations. A special wiring scheme for the decoupling capacitors is employed to reduce wiring inductance.

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