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Ȩ Ȩ > ¿¬±¸¹®Çå > Çмú´ëȸ ÇÁ·Î½Ãµù > Çѱ¹Á¤º¸Åë½ÅÇÐȸ Çмú´ëȸ > 2012³â Ãß°èÇмú´ëȸ

2012³â Ãß°èÇмú´ëȸ

Current Result Document :

ÇѱÛÁ¦¸ñ(Korean Title) ÀúÀü¾Ð EEPROM IP¿ë DC-DC Converter ¼³°è
¿µ¹®Á¦¸ñ(English Title) Design of DC-DC Converter for Low-Voltage EEPROM IPs
ÀúÀÚ(Author) ÀåÁöÇý   ÃÖÀÎÈ­   ¹Ú¿µ¹è   ±è·Á¿¬   ÇÏÆǺÀ   ±è¿µÈñ   Ji-Hye Jang   In-Hwa Choi   Young-Bae Park   Liyan Jin   Pan-Bong Ha   Young-Hee Kim  
¿ø¹®¼ö·Ïó(Citation) VOL 16 NO. 02 PP. 0852 ~ 0855 (2012. 10)
Çѱ۳»¿ë
(Korean Abstract)
º» ³í¹®¿¡¼­´Â FN(Fowler-Nordheim) Åͳθµ ¹æ½Ä¿¡ ÀÇÇÑ program µ¿ÀÛ°ú band-to-band Åͳθµ ¹æ½Ä¿¡ ÀÇÇÑ erase µ¿ÀÛÀ» ¼öÇàÇÏ´Â EEPROM IP¿ë DC-DC converter¸¦ ¼³°èÇÏ¿´´Ù. ·ÎÁ÷Àü¾ÐÀ¸·Î 1.5V¡¾10%ÀÇ ÀúÀü¾ÐÀ» »ç¿ëÇÏ´Â EEPROM IP¿ë DC-DC converter´Â charge pump ȸ·ÎÀÇ pumping stage ¼ö¿Í pumping capacitance¸¦ ÁÙÀ̱â À§ÇØ ÀÔ·Â Àü¾ÐÀ¸·Î VDD ´ë½Å VRD(Read Voltage)À» Àü¾ÐÀ» »ç¿ëÇÏ´Â ¹æ½ÄÀ» Á¦¾ÈÇÏ¿´´Ù. VRD(=3.1V¡¾0.1V)´Â 5VÀÇ external supply voltage¸¦ voltage regulator ȸ·Î¸¦ ÀÌ¿ëÇÏ¿© regulationµÈ Àü¾ÐÀÌ´Ù. ¼³°èµÈ DC-DC converter´Â write ¸ðµå¿¡¼­VPP(=8V)¿Í VNN(=-8V)ÀÇ Àü¾ÐÀ» Ãâ·ÂÇÑ´Ù.
¿µ¹®³»¿ë
(English Abstract)
A DC-DC converter for EEPROM IPs which perfom erasing by the FN (Fowler-Nordheim) tunneling and programming by the band-to-band tunneling is designed in this paper. For the DC-DC converter for EEPROM IPs using a low voltage of 1.5V¡¾10% as the logic voltage, a scheme of using VRD (Read Voltage) instead of VDD is proposed to reduce the pumping stages and pumping capacitances of its charge pump circuit. VRD (=3.1V¡¾0.1V) is a regulated voltage by a voltage regulator using an external voltage of 5V. The designed DC-DC converter outputs VPP (=8V) and VNN (=-8V) in the write mode.
Å°¿öµå(Keyword) EEPROM   band-to-band tunneling   DC-DC   charge pump   low-voltage  
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