The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 13, 2011
Filed:
Mar. 02, 2010
Jer-hau Hsu, Changhua County, TW;
Yung Feng Lin, Dasi Township, Taoyuan County, TW;
Jer-Hau Hsu, Changhua County, TW;
Yung Feng Lin, Dasi Township, Taoyuan County, TW;
Macronix International Co. Ltd., Hsinchu, TW;
Abstract
A bit-line voltage generator is provided. The bit-line voltage generator includes a discharge enhanced bias source and a switch unit. The switch unit includes a clamp transistor having a source, a gate connected to the discharge enhanced bias source, and a drain receiving a voltage; a switch transistor having a gate receiving a control signal, a drain connected to the source of the clamp transistor, and a source connected to a memory array, wherein a parasitic capacitor exists between the gate and the source of the clamp transistor; a resistor having a first terminal connected to the drain of the switch transistor, and a second terminal connected to ground; and a capacitor having a first terminal connected to the drain of the switch transistor, and a second terminal connected to ground, wherein a charge in the parasitic capacitor, when the switch transistor is turned on, is almost identical to that when the switch transistor is turned off, so that a couple effect between the switch unit and the discharge enhanced bias source is reduced, thereby stabilizing a bias applied to the memory array.