Multi-port memory device with precharge control

Details Multi-port memory device with precharge control Multi-port memory device with precharge control

2007-12-04

2007-12-04

Bragdon, Reginald (Department: 2189)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C711S005000, C365S230050, C365S194000, C365S230030, C365S189011

Reexamination Certificate

active

10877887

ABSTRACT:
There is provided a multi-port memory device, which is capable of preventing a first high data fail phenomenon at an initial operation in a current sensing type global data bus transmission/reception structure without causing a problem in a low data transmission. In the multi-port memory device having a data transmission/reception block (bank, port, global data bus connection block, etc.) which exchanges data with the global data bus in a current sensing type data transmission/reception structure, an initialization switch is used to discharge each global data bus line and an initialization signal generator controls the initialization switch. A first high data fail at the initial operation is caused by a high precharge level of the global data bus. According to the present invention, it is possible to lower a high precharge level without causing a problem in data transmission.

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patent: 6804153 (2004-10-01), Yoshizawa et al.
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