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Received: 2008-04-06

Revision Accepted: 2008-07-07

Crosschecked: 2009-01-12

Cited: 5

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Journal of Zhejiang University SCIENCE A 2009 Vol.10 No.2 P.179~183

http://doi.org/10.1631/jzus.A0820262


New design of sense amplifier for EEPROM memory


Author(s):  Dong-sheng LIU, Xue-cheng ZOU, Qiong YU, Fan ZHANG

Affiliation(s):  Department of Electronic Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China

Corresponding email(s):   liu.dongsheng@gmail.com

Key Words:  EEPROM, Sense amplifier (SA), Voltage sensing, Bidirectional conduction


Dong-sheng LIU, Xue-cheng ZOU, Qiong YU, Fan ZHANG. New design of sense amplifier for EEPROM memory[J]. Journal of Zhejiang University Science A, 2009, 10(2): 179~183.

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author="Dong-sheng LIU, Xue-cheng ZOU, Qiong YU, Fan ZHANG",
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T1 - New design of sense amplifier for EEPROM memory
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DOI - 10.1631/jzus.A0820262


Abstract: 
We present a new sense amplifier circuit for EEPROM memory. The topology of the sense amplifier uses a voltage sensing method, having low cost and low power consumption as well as high reliability. The sense amplifier was implemented in an EEPROM realized with an SMIC 0.35-μm 2P3M CMOS embedded EEPROM process. Under the condition that the power supply is 3.3 V, simulation results showed that the charge time is 35 ns in the proposed sense amplifier, and that the maximum average current consumption during the read period is 40 μA. The novel topology allows the circuit to function with power supplies as low as 1.4 V. The sense amplifier has been implemented in 2-kb EEPROM memory for RFID tag IC applications, and has a silicon area of only 240 μm2.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

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