Count unit for nonvolatile memories

Details Count unit for nonvolatile memories Count unit for nonvolatile memories

1996-08-20

1997-11-11

Zarabian, A.

Static information storage and retrieval

Addressing

Counting

36518912, G11C 800

Patent

active

056871350

ABSTRACT:
A count unit for performing a number of count operations and wherein, instead of a counter for each count function, provision is made for one counter and a number of registers equal in number to the count functions involved. The registers store the preceding count value and, when their content is to be incremented or in any way altered, load it into the counter which provides for performing the required operation, at the end of which, the content of the counter is stored in the respective register. One of the registers presents a second parallel input for externally loading an initial data which may be transferred to the other registers via the counter.

REFERENCES:
patent: 4509142 (1985-04-01), Childers
patent: 4592078 (1986-05-01), Yamada
patent: 4837748 (1989-06-01), Chung
Haywood, "Multiple Counters Using RAMS," Electronic Engineering 51(622):35, 1979.
Heuer et al., "Shared Adder Yields High Performance/Low Circuit Count Counter," IBM Technical Disclosure Bulletin 20(7) 1977.

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