Multi-port memory

Static information storage and retrieval – Addressing – Multiple port access

Reexamination Certificate

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Details

C365S193000, C365S189120

Reexamination Certificate

active

11228686

ABSTRACT:
The semi-conductor memory includes a memory device to store digital data being provided with a first number of intermediate output ports including a first intermediate output port. Furthermore, the memory includes a register block that can be selectively connected to the first intermediate output port to store data in the memory device and a second number of output ports including first and second output ports. The memory includes an interface device to receive strobe signals from the memory device, each being indicative of the presence of data on the at least one intermediate output port. This interface device, based on the strobe signals, controls the register block to provide the data stored in the register on the first and second output ports, by emulating a multi-port memory where the second number is greater than the first number.

REFERENCES:
patent: 5422858 (1995-06-01), Mizukami et al.
patent: 6317367 (2001-11-01), Sample et al.
patent: 7035985 (2006-04-01), Bachot et al.
patent: 2004/0107307 (2004-06-01), Hasegawa et al.

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