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Two-Phase Boosted Voltage Generator for Low-Voltage Giga-Bit DRAMs
Young-Hee KIM Jong-Ki NAM Sang-Hoon LEE Hong-June PARK Joo-Sun CHOI Choon-Sung PARK Seung-Han AHN Jin-Yong CHUNG
IEICE TRANSACTIONS on Electronics
Publication Date: 2000/02/25
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Storage Technology
boosted voltage generator, low voltage, giga-bit DRAMs, charge pump,
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A two-phase boosted voltage (VPP) generator circuit was proposed for use in giga-bit DRAMs. It reduced the maximum gate oxide voltage of pass transistor and the lower limit of supply voltage to VPP and VTN respectively while those for the conventional charge pump circuit are VPP+VDD and 1.5 VTN respectively. Also the pumping current was increased in the new circuit.