Inventor
LACKEY DAVID E
US43 patents
⚠️ This page may combine multiple inventors who share the name “LACKEY DAVID E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
31 patentsUS6883152B2Apr 19, 2005
Voltage island chip implementation
IBM92 citations98
US6820240B2Nov 16, 2004
Voltage island chip implementation
IBM90 citations98
US6779163B2Aug 17, 2004
Voltage island design planning
IBM89 citations98
US6577156B2Jun 10, 2003
Method and apparatus for initializing an integrated circuit using compressed data from a remote fusebox
IBM106 citations96
US6792582B1Sep 14, 2004
Concurrent logical and physical construction of voltage islands for mixed supply voltage designs
IBM65 citations95
US6300809B1Oct 9, 2001
Double-edge-triggered flip-flop providing two data transitions per clock cycle
IBM68 citations95
US6609228B1Aug 19, 2003
Latch clustering for power optimization
IBM59 citations94
US7620921B2Nov 17, 2009
IC chip at-functional-speed testing with process coverage evaluation
IBM33 citations92
US6467044B1Oct 15, 2002
On-board clock-control templates for testing integrated circuits
IBM34 citations92
US5783960AJul 21, 1998
Integrated circuit device with improved clock signal control
IBM36 citations92
US5146460ASep 8, 1992
Logic simulation using a hardware accelerator together with an automated error event isolation and trace facility
IBM120 citations91
US7996807B2Aug 9, 2011
Integrated test waveform generator (TWG) and customer waveform generator (CWG), design structure and method
IBM11 citations84
US7856607B2Dec 21, 2010
System and method for generating at-speed structural tests to improve process and environmental parameter space coverage
IBM8 citations84
US6636995B1Oct 21, 2003
Method of automatic latch insertion for testing application specific integrated circuits
IBM17 citations84
US6856270B1Feb 15, 2005
Pipeline array
IBM14 citations82
US7490280B2Feb 10, 2009
Microcontroller for logic built-in self test (LBIST)
IBM6 citations74
US7131074B2Oct 31, 2006
Nested voltage island architecture
IBM10 citations74
US6865723B2Mar 8, 2005
Method for insertion of test points into integrated logic circuit designs
IBM8 citations74
US7721170B2May 18, 2010
Apparatus and method for selectively implementing launch off scan capability in at speed testing
IBM7 citations73
US7560964B2Jul 14, 2009
Latch and clock structures for enabling race-reduced MUX scan and LSSD co-compatibility
IBM7 citations72
US7482851B2Jan 27, 2009
Latch and clock structures for enabling race-reduced mux scan and LSSD co-compatibility
IBM5 citations72
US7435990B2Oct 14, 2008
Arrangement for testing semiconductor chips while incorporated on a semiconductor wafer
IBM7 citations72
US7381986B2Jun 3, 2008
Arrangement for testing semiconductor chips while incorporated on a semiconductor wafer
IBM6 citations69
US7484149B2Jan 27, 2009
Negative edge flip-flops for muxscan and edge clock compatible LSSD
IBM3 citations63
US6745373B2Jun 1, 2004
Method for insertion of test points into integrated circuit logic designs
IBM5 citations63
US6731154B2May 4, 2004
Global voltage buffer for voltage islands
IBM5 citations62
US6804803B2Oct 12, 2004
Method for testing integrated logic circuits
IBM5 citations61
US6566681B2May 20, 2003
Apparatus for assisting backside focused ion beam device modification
IBM2 citations61
US7529294B2May 5, 2009
Testing of multiple asynchronous logic domains
IBM4 citations57
US7996739B2Aug 9, 2011
Avoiding race conditions at clock domain crossings in an edge based scan design
IBM0 citations52
US7937632B2May 3, 2011
Design structure and apparatus for a robust embedded interface
IBM0 citations52
LACKEY DAVID E
4 patentsUS8122409B2Feb 21, 2012
Method and device for selectively adding timing margin in an integrated circuit
LACKEY DAVID E5 citations73
US8589843B2Nov 19, 2013
Method and device for selectively adding timing margin in an integrated circuit
LACKEY DAVID E4 citations71
US8504971B2Aug 6, 2013
Method and device for selectively adding timing margin in an integrated circuit
LACKEY DAVID E2 citations60
US8490045B2Jul 16, 2013
Method and device for selectively adding timing margin in an integrated circuit
LACKEY DAVID E3 citations60
BICKFORD JEANNE P
2 patentsUS8543966B2Sep 24, 2013
Test path selection and test program generation for performance testing integrated circuit chips
BICKFORD JEANNE P8 citations84
US8490040B2Jul 16, 2013
Disposition of integrated circuits using performance sort ring oscillator and performance path testing
BICKFORD JEANNE P3 citations63