Patent | Date |
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Highly compact non-volatile memory and method thereof Grant 10,204,679 - Cernea Feb | 2019-02-12 |
Method and apparatus for coupling up a voltage-setting transistor for a control line in a programming operation Grant 10,037,810 - Shukla , et al. July 31, 2 | 2018-07-31 |
Rewritable multibit non-volatile memory with soft decode optimization Grant 9,946,468 - Conley , et al. April 17, 2 | 2018-04-17 |
Rewritable Multibit Non-Volatile Memory With Soft Decode Optimization App 20170185299 - Conley; Kevin Michael ;   et al. | 2017-06-29 |
Highly Compact Non-volatile Memory And Method Thereof App 20170125088 - Cernea; Raul-Adrian | 2017-05-04 |
Rewritable multibit non-volatile memory with soft decode optimization Grant 9,640,253 - Conley , et al. May 2, 2 | 2017-05-02 |
Multi-state programming for non-volatile memory Grant 9,595,317 - Li , et al. March 14, 2 | 2017-03-14 |
Multi-state Programming For Non-volatile Memory App 20160351254 - Li; Yen-Lung ;   et al. | 2016-12-01 |
Rewritable Multibit Non-Volatile Memory With Soft Decode Optimization App 20160314834 - Conley; Kevin Michael ;   et al. | 2016-10-27 |
Rewritable multibit non-volatile memory with soft decode optimization Grant 9,406,377 - Conley , et al. August 2, 2 | 2016-08-02 |
Rewritable Multibit Non-Volatile Memory With Soft Decode Optimization App 20160163382 - Conley; Kevin Michael ;   et al. | 2016-06-09 |
Highly Compact Non-volatile Memory And Method Thereof App 20150348617 - Cernea; Raul-Adrian | 2015-12-03 |
Three dimensional non-volatile storage with dual layers of select devices Grant 9,030,859 - Scheuerlein , et al. May 12, 2 | 2015-05-12 |
Highly compact non-volatile memory and method thereof Grant 8,977,992 - Cernea March 10, 2 | 2015-03-10 |
Non-volatile memory and method with shared processing for an aggregate of read/write circuits Grant 8,873,303 - Cernea , et al. October 28, 2 | 2014-10-28 |
Non-volatile memory with redundancy data buffered in remote buffer circuits Grant 8,363,495 - Cernea January 29, 2 | 2013-01-29 |
Hardware efficient on-chip digital temperature coefficient voltage generator and method Grant 8,334,796 - Wani , et al. December 18, 2 | 2012-12-18 |
Highly Compact Non-Volatile Memory and Method thereof App 20120281472 - Cernea; Raul-Adrian | 2012-11-08 |
Non-volatile memory with improved sensing by reducing source line current Grant 8,300,473 - Cernea October 30, 2 | 2012-10-30 |
Nonvolatile memory with correlated multiple pass programming Grant 8,300,458 - Cernea October 30, 2 | 2012-10-30 |
Hardware Efficient On-Chip Digital Temperature Coefficient Voltage Generator and Method App 20120256772 - Wani; Barkat A. ;   et al. | 2012-10-11 |
Highly compact non-volatile memory and method thereof Grant 8,225,242 - Cernea July 17, 2 | 2012-07-17 |
Three Dimensional Non-volatile Storage With Dual Layers Of Select Devices App 20120147651 - Scheuerlein; Roy E. ;   et al. | 2012-06-14 |
Non-Volatile Memory With Improved Sensing By Reducing Source Line Current App 20120113715 - Cernea; Raul-Adrian | 2012-05-10 |
Nonvolatile Memory with Correlated Multiple Pass Programming App 20120039125 - Cernea; Raul-Adrian | 2012-02-16 |
Non-Volatile Memory And Method With Reduced Neighboring Field Errors App 20120002483 - Cernea; Raul-Adrian ;   et al. | 2012-01-05 |
Non-volatile memory with improved sensing by reducing source line current Grant 8,050,126 - Cernea November 1, 2 | 2011-11-01 |
Nonvolatile memory with correlated multiple pass programming Grant 8,045,378 - Cernea October 25, 2 | 2011-10-25 |
NAND flash memory with a programming voltage held dynamically in a NAND chain channel region Grant 7,978,533 - Cernea July 12, 2 | 2011-07-12 |
Non-Volatile Memory With Redundancy Data Buffered in Remote Buffer Circuits App 20110157987 - Cernea; Raul-Adrian | 2011-06-30 |
Predictive programming in non-volatile memory Grant 7,965,562 - Cernea June 21, 2 | 2011-06-21 |
Non-volatile memory and method with continuous scanning time-domain sensing Grant 7,944,754 - Cernea May 17, 2 | 2011-05-17 |
Non-Volatile Memory With Improved Sensing By Reducing Source Line Current App 20110075480 - Cernea; Raul-Adrian | 2011-03-31 |
Non-volatile memory with redundancy data buffered in remote buffer circuits Grant 7,907,458 - Cernea March 15, 2 | 2011-03-15 |
Latched address multi-chunk write to EEPROM Grant 7,890,694 - Lee , et al. February 15, 2 | 2011-02-15 |
Nonvolatile Memory with Correlated Multiple Pass Programming App 20110019471 - Cernea; Raul-Adrian | 2011-01-27 |
Non-Volatile Memory and Method with Shared Processing for an Aggregate of Read/Write Circuits App 20110019485 - Cernea; Raul-Adrian ;   et al. | 2011-01-27 |
Non-volatile memory with improved sensing by reducing source line current Grant 7,852,678 - Cernea December 14, 2 | 2010-12-14 |
Nonvolatile memory with index programming and reduced verify Grant 7,826,271 - Cernea November 2, 2 | 2010-11-02 |
Non-volatile memory and method with shared processing for an aggregate of read/write circuits Grant 7,817,476 - Cernea , et al. October 19, 2 | 2010-10-19 |
Nonvolatile memory with correlated multiple pass programming Grant 7,813,172 - Cernea October 12, 2 | 2010-10-12 |
Non-volatile memory and method for sensing with pipelined corrections for neighboring perturbations Grant 7,813,181 - Cernea October 12, 2 | 2010-10-12 |
Method for index programming and reduced verify in nonvolatile memory Grant 7,800,945 - Cernea September 21, 2 | 2010-09-21 |
Method for correlated multiple pass programming in nonvolatile memory Grant 7,796,435 - Cernea September 14, 2 | 2010-09-14 |
Dynamic column block selection Grant 7,768,841 - Cernea August 3, 2 | 2010-08-03 |
Non-Volatile Memory And Method With Reduced Neighboring Field Errors App 20100182831 - Cernea; Raul-Adrian ;   et al. | 2010-07-22 |
Non-Volatile Memory And Method For Sensing With Pipelined Corrections For Neighboring Perturbations App 20100165738 - Cernea; Raul-Adrian | 2010-07-01 |
Non-Volatile Memory And Method With Continuous Scanning Time-Domain Sensing App 20100165743 - Cernea; Raul-Adrian | 2010-07-01 |
Non-volatile memory and method for ramp-down programming Grant 7,715,235 - Cernea May 11, 2 | 2010-05-11 |
Nand Flash Memory With a Programming Voltage Held Dynamically in a Nand Chain Channel Region App 20100103745 - Cernea; Raul-Adrian | 2010-04-29 |
Predictive Programming in Non-Volatile Memory App 20100097857 - Cernea; Raul-Adrian | 2010-04-22 |
Non-volatile Memory And Method For Ramp-down Programming App 20100046297 - Cernea; Raul-Adrian | 2010-02-25 |
Method for column redundancy using data latches in solid-state memories Grant 7,663,950 - Moogat , et al. February 16, 2 | 2010-02-16 |
NAND flash memory with a programming voltage held dynamically in a NAND chain channel region Grant 7,660,156 - Cernea February 9, 2 | 2010-02-09 |
Non-volatile memory read operations using compensation currents Grant 7,656,713 - Cernea February 2, 2 | 2010-02-02 |
Predictive programming in non-volatile memory Grant 7,643,348 - Cernea January 5, 2 | 2010-01-05 |
Method for Correlated Multiple Pass Programming in Nonvolatile Memory App 20090310420 - Cernea; Raul-Adrian | 2009-12-17 |
Nonvolatile Memory with Correlated Multiple Pass Programming App 20090310421 - Cernea; Raul-Adrian | 2009-12-17 |
Nonvolatile Memory with Index Programming and Reduced Verify App 20090310419 - Cernea; Raul-Adrian | 2009-12-17 |
Method for Index Programming and Reduced Verify in Nonvolatile Memory App 20090310418 - Cernea; Raul-Adrian | 2009-12-17 |
Non-Volatile Memory With Improved Sensing By Reducing Source Line Current App 20090296489 - Cernea; Raul-Adrian | 2009-12-03 |
Non-volatile storage system with resistance sensing and compensation Grant 7,616,498 - Mokhlesi , et al. November 10, 2 | 2009-11-10 |
Non-Volatile Memory With Redundancy Data Buffered in Remote Buffer Circuits App 20090273986 - Cernea; Raul-Adrian | 2009-11-05 |
Dynamic Column Block Selection App 20090244987 - Cernea; Raul-Adrian | 2009-10-01 |
Method for compensated sensing in non-volatile memory Grant 7,593,277 - Chan , et al. September 22, 2 | 2009-09-22 |
Resistance sensing and compensation for non-volatile storage Grant 7,590,002 - Mokhlesi , et al. September 15, 2 | 2009-09-15 |
Latched Address Multi-Chunk Write to EEPROM App 20090228644 - Lee; Douglas J. ;   et al. | 2009-09-10 |
Dynamic column block selection Grant 7,586,793 - Cernea September 8, 2 | 2009-09-08 |
Non-volatile memory with redundancy data buffered in remote buffer circuits Grant 7,567,466 - Cernea July 28, 2 | 2009-07-28 |
Non-volatile memory with predictive programming Grant 7,551,483 - Cernea June 23, 2 | 2009-06-23 |
Non-volatile memory and method with reduced source line bias errors Grant 7,551,484 - Cernea , et al. June 23, 2 | 2009-06-23 |
Memory device with sector pointer structure Grant 7,549,012 - Cernea June 16, 2 | 2009-06-16 |
Time-dependent compensation currents in non-volatile memory read operations Grant 7,535,769 - Cernea May 19, 2 | 2009-05-19 |
Non-volatile memory and method with bit line to bit line coupled compensation Grant 7,532,514 - Cernea , et al. May 12, 2 | 2009-05-12 |
Non-Volatile Memory and Method with Shared Processing for an Aggregate of Read/Write Circuits App 20090103369 - Cernea; Raul-Adrian ;   et al. | 2009-04-23 |
Highly Compact Non-Volatile Memory And Method Thereof App 20090086543 - Cernea; Raul-Adrian | 2009-04-02 |
Use of data latches in multi-phase programming of non-volatile memories Grant 7,508,721 - Li , et al. March 24, 2 | 2009-03-24 |
Non-volatile memory and method with control gate compensation for source line bias errors Grant 7,499,324 - Cernea , et al. March 3, 2 | 2009-03-03 |
Non-volatile memory and method with shared processing for an aggregate of read/write circuits Grant 7,471,575 - Cernea , et al. December 30, 2 | 2008-12-30 |
Highly compact non-volatile memory and method therefor with internal serial buses Grant 7,447,070 - Cernea November 4, 2 | 2008-11-04 |
Method for Column Redundancy Using Data Latches in Solid-State Memories App 20080266957 - Moogat; Farookh ;   et al. | 2008-10-30 |
Non-volatile memory and method with reduced bit line crosstalk errors Grant 7,443,757 - Cernea , et al. October 28, 2 | 2008-10-28 |
Predictive Programming in Non-Volatile Memory App 20080253197 - Cernea; Raul-Adrian | 2008-10-16 |
Non-Volatile Memory and Method with Control Gate Compensation for Source Line Bias Errors App 20080253185 - Cernea; Raul-Adrian ;   et al. | 2008-10-16 |
Non-Volatile Memory with Predictive Programming App 20080253193 - Cernea; Raul-Adrian | 2008-10-16 |
Non-volatile memory and method with improved sensing Grant 7,428,171 - Cernea , et al. September 23, 2 | 2008-09-23 |
Time-dependent Compensation Currents In Non-volatile Memory Read Operations App 20080198656 - Cernea; Raul-Adrian | 2008-08-21 |
Flexible and area efficient column redundancy for non-volatile memories Grant 7,405,985 - Cernea , et al. July 29, 2 | 2008-07-29 |
Resistance Sensing And Compensation For Non-volatile Storage App 20080158967 - Mokhlesi; Nima ;   et al. | 2008-07-03 |
Non-volatile Storage System With Resistance Sensing And Compensation App 20080158983 - Mokhlesi; Nima ;   et al. | 2008-07-03 |
Method for column redundancy using data latches in solid-state memories Grant 7,394,690 - Moogat , et al. July 1, 2 | 2008-07-01 |
Non-volatile memory and method with compensation for source line bias errors Grant 7,391,645 - Cernea , et al. June 24, 2 | 2008-06-24 |
Non-volatile memory and method with control gate compensation for source line bias errors Grant 7,391,646 - Cernea , et al. June 24, 2 | 2008-06-24 |
Non-Volatile Memory With Redundancy Data Buffered in Remote Buffer Circuits App 20080137419 - Cernea; Raul-Adrian | 2008-06-12 |
Erase inhibit in non-volatile memories Grant 7,379,346 - Quader , et al. May 27, 2 | 2008-05-27 |
Time-dependent compensation currents in non-volatile memory read operations Grant 7,379,343 - Cernea May 27, 2 | 2008-05-27 |
Method For Compensated Sensing In Non-Volatile Memory App 20080117701 - Chan; Siu Lung ;   et al. | 2008-05-22 |
Memory sensing circuit and method for low voltage operation Grant 7,376,030 - Cernea May 20, 2 | 2008-05-20 |
Method for remote redundancy for non-volatile memory Grant 7,352,635 - Cernea April 1, 2 | 2008-04-01 |
Operating Techniques for Reducing Program and Read Disturbs of a Non-Volatile Memory App 20080043526 - Li; Yan ;   et al. | 2008-02-21 |
Reference sense amplifier for non-volatile memory Grant 7,327,619 - Chan , et al. February 5, 2 | 2008-02-05 |
Non-volatile memory with redundancy data buffered in remote buffer circuits Grant 7,324,389 - Cernea January 29, 2 | 2008-01-29 |
Method for compensated sensing in non-volatile memory Grant 7,324,393 - Chan , et al. January 29, 2 | 2008-01-29 |
Compensating for coupling in non-volatile storage Grant 7,321,509 - Chen , et al. January 22, 2 | 2008-01-22 |
Non-Volatile Memory And Method With Bit Line To Bit Line Coupled Compensation App 20070297234 - Cernea; Raul-Adrian ;   et al. | 2007-12-27 |
Non-Volatile Memory And Method With Reduced Neighboring Field Errors App 20070279992 - Cernea; Raul-Adrian ;   et al. | 2007-12-06 |
Non-Volatile Memory and Method with Shared Processing for an Aggregate of Read/Write Circuits App 20070263450 - Cernea; Raul-Adrian ;   et al. | 2007-11-15 |
Non-volatile Memory With Redundancy Data Buffered In Remote Buffer Circuits App 20070220935 - Cernea; Raul-Adrian | 2007-09-27 |
Method for column redundancy using data latches in solid-state memories App 20070223292 - Moogat; Farookh ;   et al. | 2007-09-27 |
Method For Remote Redundancy For Non-volatile Memory App 20070223291 - Cernea; Raul-Adrian | 2007-09-27 |
Non-volatile memory and method with bit line to bit line coupled compensation Grant 7,269,069 - Cernea , et al. September 11, 2 | 2007-09-11 |
Non-volatile memory and method with reduced neighboring field errors Grant 7,239,551 - Cernea , et al. July 3, 2 | 2007-07-03 |
Compensating For Coupling In Non-volatile Storage App 20070140006 - Chen; Jian ;   et al. | 2007-06-21 |
Time-dependent Compensation Currents In Non-volatile Memory Read Operations App 20070133298 - Cernea; Raul-Adrian | 2007-06-14 |
Non-volatile Memory Read Operations Using Compensation Currents App 20070133297 - Cernea; Raul-Adrian | 2007-06-14 |
Non-volatile memory with redundancy data buffered in data latches for defective locations Grant 7,224,605 - Moogat , et al. May 29, 2 | 2007-05-29 |
Non-Volatile Memory and Method With Compensation for Source Line Bias Errors App 20070115721 - Cernea; Raul-Adrian ;   et al. | 2007-05-24 |
Non-Volatile Memory and Method With Control Gate Compensation for Source Line Bias Errors App 20070115722 - Cernea; Raul-Adrian ;   et al. | 2007-05-24 |
Non-Volatile Memory and Method With Reduced Source Line Bias Errors App 20070109889 - Cernea; Raul-Adrian ;   et al. | 2007-05-17 |
Latched Programming of Memory and Method App 20070109859 - Cernea; Raul-Adrian | 2007-05-17 |
Non-Volatile Memory and Method With Improved Sensing App 20070109847 - Cernea; Raul-Adrian ;   et al. | 2007-05-17 |
Flexible and Area Efficient Column Redundancy for Non-Volatile Memories App 20070103976 - Cernea; Raul-Adrian ;   et al. | 2007-05-10 |
Non-volatile memory and method with bit line compensation dependent on neighboring operating modes Grant 7,215,574 - Khalid , et al. May 8, 2 | 2007-05-08 |
Use of Data Latches in Multi-Phase Programming of Non-Volatile Memories App 20070097744 - Li; Yan ;   et al. | 2007-05-03 |
Non-volatile memory and method with improved sensing Grant 7,212,445 - Cernea , et al. May 1, 2 | 2007-05-01 |
Non-volatile memory and method with reduced source line bias errors Grant 7,196,931 - Cernea , et al. March 27, 2 | 2007-03-27 |
Compensating for coupling in non-volatile storage Grant 7,196,946 - Chen , et al. March 27, 2 | 2007-03-27 |
Compensation currents in non-volatile memory read operations Grant 7,193,898 - Cernea March 20, 2 | 2007-03-20 |
Latched programming of memory and method Grant 7,177,197 - Cernea February 13, 2 | 2007-02-13 |
Source controlled operation of non-volatile memories Grant 7,173,860 - Cernea February 6, 2 | 2007-02-06 |
Non-volatile memory and method with compensation for source line bias errors Grant 7,173,854 - Cernea , et al. February 6, 2 | 2007-02-06 |
Flexible and area efficient column redundancy for non-volatile memories Grant 7,170,802 - Cernea , et al. January 30, 2 | 2007-01-30 |
Non-volatile memory and method with control gate compensation for source line bias errors Grant 7,170,784 - Cernea , et al. January 30, 2 | 2007-01-30 |
Use of data latches in multi-phase programming of non-volatile memories Grant 7,158,421 - Li , et al. January 2, 2 | 2007-01-02 |
Compensation currents in non-volatile memory read operations App 20060285391 - Cernea; Raul-Adrian | 2006-12-21 |
Charge pump with fibonacci number multiplication Grant 7,135,910 - Cernea November 14, 2 | 2006-11-14 |
Use Of Data Latches In Multi-phase Programming Of Non-volatile Memories App 20060221697 - Li; Yan ;   et al. | 2006-10-05 |
Area efficient charge pump Grant 7,113,023 - Cernea September 26, 2 | 2006-09-26 |
Highly compact non-volatile memory and method therefor with internal serial buses Grant 7,085,159 - Cernea August 1, 2 | 2006-08-01 |
Method for compensated sensing in non-volatile memory App 20060158935 - Chan; Siu Lung ;   et al. | 2006-07-20 |
Reference sense amplifier for non-volatile memory App 20060158947 - Chan; Siu Lung ;   et al. | 2006-07-20 |
Non-volatile memory and method with shared processing for an aggregate of read/write circuits App 20060140007 - Cernea; Raul-Adrian ;   et al. | 2006-06-29 |
Non-volatile memory and method with bit line coupled compensation Grant 7,064,980 - Cernea , et al. June 20, 2 | 2006-06-20 |
Techniques for reducing effects of coupling between storage elements of adjacent rows of memory cells Grant 7,046,548 - Cernea , et al. May 16, 2 | 2006-05-16 |
Memory sensing circuit and method for low voltage operation Grant 7,046,568 - Cernea May 16, 2 | 2006-05-16 |
Non-volatile memory and method with improved sensing Grant 7,023,736 - Cernea , et al. April 4, 2 | 2006-04-04 |
Non-volatile Memory And Method With Improved Sensing App 20060050562 - Cernea; Raul-Adrian ;   et al. | 2006-03-09 |
Operating techniques for reducing program and read disturbs of a non-volatile memory Grant 6,996,003 - Li , et al. February 7, 2 | 2006-02-07 |
Non-volatile memory and method with reduced neighboring field errors App 20060023502 - Cernea; Raul-Adrian ;   et al. | 2006-02-02 |
Non-volatile memory and method with reduced neighboring field errors Grant 6,987,693 - Cernea , et al. January 17, 2 | 2006-01-17 |
Highly compact non-volatile memory and method thereof Grant 6,983,428 - Cernea January 3, 2 | 2006-01-03 |
Non-volatile memory and method with bit line compensation dependent on neighboring operating modes Grant 6,956,770 - Khalid , et al. October 18, 2 | 2005-10-18 |
Highly compact non-volatile memory and method therefor with space-efficient data registers Grant 6,940,753 - Cernea September 6, 2 | 2005-09-06 |
Memory sensing circuit and method for low voltage operation App 20050169082 - Cernea, Raul-Adrian | 2005-08-04 |
Area efficient charge pump Grant 6,922,096 - Cernea July 26, 2 | 2005-07-26 |
Erase Inhibit In Non-volatile Memories App 20050068808 - Quader, Khandker N. ;   et al. | 2005-03-31 |
Techniques for reducing effects of coupling between storage elements of adjacent rows of memory cells Grant 6,870,768 - Cernea , et al. March 22, 2 | 2005-03-22 |
Non-volatile memory and method with bit line compensation dependent on neighboring operating modes App 20050057967 - Khalid, Shahzad ;   et al. | 2005-03-17 |
Memory device with pointer structure to map logical to physical addresses Grant 6,839,826 - Cernea January 4, 2 | 2005-01-04 |
Latched programming of memory and method App 20040240269 - Cernea, Raul-Adrian | 2004-12-02 |
Techniques for reducing effects of coupling between storage elements of adjacent rows of memory cells Grant 6,781,877 - Cernea , et al. August 24, 2 | 2004-08-24 |
Operating techniques for reducing program and read disturbs of a non-volatile memory Grant 6,771,536 - Li , et al. August 3, 2 | 2004-08-03 |
Non-volatile memory with improved sensing and method therefor App 20040105311 - Cernea, Raul-Adrian ;   et al. | 2004-06-03 |
Highly compact non-volatile memory and method thereof App 20040060031 - Cernea, Raul-Adrian | 2004-03-25 |
Non-volatile memory and method with reduced source line bias errors App 20040057287 - Cernea, Raul-Adrian ;   et al. | 2004-03-25 |
Non-volatile memory and method with reduced bit line crosstalk errors App 20040057318 - Cernea, Raul-Adrian ;   et al. | 2004-03-25 |
Non-volatile memory and method with reduced neighboring field errors App 20040057285 - Cernea, Raul-Adrian ;   et al. | 2004-03-25 |
Dual cell reading and writing technique Grant 6,493,269 - Cernea December 10, 2 | 2002-12-10 |
Non-volatile memory with improved sensing and method therefor Grant 6,044,019 - Cernea , et al. March 28, 2 | 2000-03-28 |
Programmable power generation circuit for flash EEPROM memory systems Grant 5,621,685 - Cernea , et al. April 15, 1 | 1997-04-15 |
Flash EEPROM self-adaptive voltage generation circuit operative within a continuous voltage source range Grant 5,596,532 - Cernea , et al. January 21, 1 | 1997-01-21 |
Programmable power generation circuit for flash EEPROM memory systems Grant 5,592,420 - Cernea , et al. January 7, 1 | 1997-01-07 |
Programmable power generation circuit for flash EEPROM memory systems Grant 5,568,424 - Cernea , et al. October 22, 1 | 1996-10-22 |
Programmable power generation circuit for flash eeprom memory systems Grant 5,563,825 - Cernea , et al. October 8, 1 | 1996-10-08 |
Method and circuit for simultaneously programming and verifying the programming of selected EEPROM cells Grant 5,532,964 - Cernea , et al. July 2, 1 | 1996-07-02 |
Programmable power generation circuit for flash EEPROM memory systems Grant 5,508,971 - Cernea , et al. April 16, 1 | 1996-04-16 |
Method and circuit for simultaneously programming and verifying the programming of selected EEPROM cells Grant 5,495,442 - Cernea , et al. February 27, 1 | 1996-02-27 |
Current-regulated, voltage-regulated erase circuit for EEPROM memory Grant 4,888,738 - Wong , et al. December 19, 1 | 1989-12-19 |