Main amplifier and semiconductor device

Details Main amplifier and semiconductor device Main amplifier and semiconductor device

2006-08-22

2006-08-22

Phung, Anh (Department: 2824)

Static information storage and retrieval

Read/write circuit

Differential sensing

C365S205000, C365S203000

Reexamination Certificate

active

07095668

ABSTRACT:
Disclosed are a main amplifier and a semiconductor device employing the main amplifier. The main amplifier is arranged between a plurality of pairs of local input/output lines and a global input/output line. The main amplifier comprises a main amplifier pre-charge unit for pre-charging the main amplifier in response to inputted pre-charge control signals; an input/output sense amplifier enabled by enable signals for sensing a first data signal transmitted from the plurality of pairs of input/output lines of a plurality of memory banks, amplifying the sensed first data signal, and outputting the amplified first data signal as a second data signal of a first potential level; and an input/output driver for pull-down or pull-up driving the global input/output line in response to the second data signal from the input/output sense amplifier. The main amplifier is connected in common to the plurality of pairs of local input/output lines for taking charge of the plurality of memory banks.

REFERENCES:
patent: 4777625 (1988-10-01), Sakui et al.
patent: 5274598 (1993-12-01), Fujii et al.
patent: 5648928 (1997-07-01), Yoon et al.
patent: 6084809 (2000-07-01), Wada
patent: 6104655 (2000-08-01), Tanoi et al.
patent: 6175516 (2001-01-01), Kitsukawa et al.

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