Semiconductor memory and method of accessing memory arrays

Details Semiconductor memory and method of accessing memory arrays Semiconductor memory and method of accessing memory arrays

1998-05-21

1999-11-30

Dinh, Son T.

Static information storage and retrieval

Addressing

Plural blocks or banks

365 63, G11C 800

Patent

active

059954370

ABSTRACT:
Accessing of adjacent arrays of memory in a semiconductor integrated circuit is facilitated by numbering the arrays of memory in accordance with a digital Gray code in which the addresses of adjacent arrays differ in only one digit. Each array is selected by the full array select address field. Each sense amplifier and I/O circuitry between memory arrays and shared by two adjacent memory arrays is selected by the full array select address field less one bit, that bit being the single address bit that differs between the addresses of the two adjacent Grey code numbered memory arrays. This permits faster decoding and enabling of the sense amplifier and I/O signal circuitry.

REFERENCES:
patent: 4748552 (1998-05-01), Fung et al.
patent: 5586078 (1996-12-01), Takase et al.
patent: 5812481 (1998-09-01), Numata et al.

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