System and method for bit-line control

Details System and method for bit-line control System and method for bit-line control

2011-08-30

2011-08-30

Nguyen, VanThu (Department: 2824)

Static information storage and retrieval

Floating gate

Particular biasing

C365S189110, C365S230060

Reexamination Certificate

active

08009481

ABSTRACT:
In one embodiment, a bit-line driver has a first driver having a source terminal coupled to a high-voltage supply bus and a drain terminal coupled to the bit-line, and a second driver having a source terminal coupled to a high-voltage return bus and a drain terminal coupled to the bit line. The bit-line driver also has a first pre-driver coupled to a gate terminal of the first driver and a second pre-driver coupled to a gate terminal of the second driver. The first and second drivers use a first type of transistor, and the first and second pre-drivers use a second type of transistor. The first type of transistor is rated at a higher voltage than the second type of transistor.

REFERENCES:
patent: 4317110 (1982-02-01), Hsu
patent: 6903581 (2005-06-01), Clark et al.
patent: 7283406 (2007-10-01), Lu et al.
Deml, C., et al., “A 0.13μm 2.125MB 23.5ns Embedded Flash with 2GB/s Read Throughput for Automotive Microcontrollers,” IEEE International Solid-State Circuits Conference, Session 26, Non-Volatile Memories, 26.4, 2007, pp. 478-479 and 617.

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