Look-ahead circuit for fast decode of bankselect signals in EMS

Details Look-ahead circuit for fast decode of bankselect signals in EMS Look-ahead circuit for fast decode of bankselect signals in EMS

1991-02-22

1994-01-25

Bowler, Alyssa H.

Static information storage and retrieval

Addressing

Plural blocks or banks

36523006, 395400, 395425, G06F 1200, G06F 1206, G11C 800

Patent

active

052821722

ABSTRACT:
A method and apparatus for encoding expanded memory specification addresses and the bankselect signals associated therewith is disclosed. A 13th bit is provided and stores information as to the bankselect for the 12 bits of the expanded memory specification address. When the expanded memory specification register is accessed, the foregoing 13th bit is also retrieved and decoded to provide the proper bankselect decode signal.

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patent: 5161218 (1992-11-01), Catlin
patent: 5175836 (1992-12-01), Morgan
patent: 5179686 (1993-01-01), White

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