Serial data input device for use in a dual port memory device

Details Serial data input device for use in a dual port memory device Serial data input device for use in a dual port memory device

1994-04-07

1995-06-06

Popek, Joseph A.

Static information storage and retrieval

Read/write circuit

Having particular data buffer or latch

36518912, 365221, 365240, G11C 700

Patent

active

054228492

ABSTRACT:
A serial data port in a dual port memory device adapted to receive incoming serial data and transfer the incoming serial data to a general data register, comprising; a plurality of data latches storing a portion of the incoming serial data, each data latch comprising a plurality of shift registers, and each shift register being responsive to one of a plurality of sequentially generated shift register control signals, and a plurality of transfer gates, each transfer gate gating the incoming serial data into a corresponding data latch in responsive to a one of a plurality of sequentially generated data latch control signals, wherein each data latch control signal defines a time period, and the plurality of shift register control signals is sequentially generated within the time period.

REFERENCES:
patent: 4799198 (1989-01-01), Ogawa
patent: 4912680 (1990-03-01), Masaki et al.
patent: 4987559 (1991-01-01), Miyauchi et al.
patent: 5195055 (1993-03-01), Mizuoka et al.
patent: 5343439 (1994-08-01), Hoshino

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