Semiconductor memory device using read data bus for writing...

Details Semiconductor memory device using read data bus for writing... Semiconductor memory device using read data bus for writing...

2007-08-28

2007-08-28

Nguyen, VanThu (Department: 2824)

Static information storage and retrieval

Read/write circuit

C365S189040

Reexamination Certificate

active

11228777

ABSTRACT:
A semiconductor device is provided that can perform simultaneous writing of a large number of bits, without an increase in chip size. This semiconductor device includes: a write data bus via which data are written into memory cells; a read data bus via which the data are read from the memory cells; a first write amplifier that writes data into the memory cells via the read data bus at the time of high-speed writing; a second write amplifier that writes data into the memory cells via the write data bus at the time of high-speed writing; a first sense amplifier that reads verified data from the memory cells via the read data bus; and a second sense amplifier that reads verified data from the memory cells via the write data bus.

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