Inventor
CALLAHAN JOHN M
US31 patents
⚠️ This page may combine multiple inventors who share the name “CALLAHAN JOHN M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NANOAMP SOLUTIONS INC
9 patentsUS6355980B1Mar 12, 2002
Dual die memory
NANOAMP SOLUTIONS INC65 citations96
US6694448B2Feb 17, 2004
SRAM row redundancy
NANOAMP SOLUTIONS INC9 citations74
US6493414B1Dec 10, 2002
Die information logic and protocol
NANOAMP SOLUTIONS INC7 citations74
US7069482B1Jun 27, 2006
ROM error-correction control
NANOAMP SOLUTIONS INC6 citations63
US6713855B2Mar 30, 2004
Dual die memory
NANOAMP SOLUTIONS INC4 citations63
US6593646B2Jul 15, 2003
Dual die memory
NANOAMP SOLUTIONS INC4 citations63
US6559678B1May 6, 2003
Node predisposition circuit
NANOAMP SOLUTIONS INC2 citations63
US6240029B1May 29, 2001
Memory column redundancy
NANOAMP SOLUTIONS INC5 citations63
US6167543ADec 26, 2000
Memory test mode circuit
NANOAMP SOLUTIONS INC4 citations63
ENABLE SEMICONDUCTOR INC
5 patentsUS5930180AJul 27, 1999
ROM bit sensing
ENABLE SEMICONDUCTOR INC13 citations73
US5942924AAug 24, 1999
Digital circuit for conserving static current in an electronic device
ENABLE SEMICONDUCTOR INC4 citations62
US5923598AJul 13, 1999
Row fuse detect circuit
ENABLE SEMICONDUCTOR INC2 citations62
US5898641AApr 27, 1999
Address transition circuit for a memory
ENABLE SEMICONDUCTOR INC1 citations52
US5912861AJun 15, 1999
ROM/RAM overlap circuit
ENABLE SEMICONDUCTOR INC0 citations41
VLSI TECHNOLOGY INC
4 patentsUS5495436AFeb 27, 1996
Anti-fuse ROM programming circuit
VLSI TECHNOLOGY INC78 citations96
US5418486AMay 23, 1995
Universal digital filter for noisy lines
VLSI TECHNOLOGY INC22 citations92
US5525921AJun 11, 1996
Logic suppression of input and ground spikes for synchronized inputs
VLSI TECHNOLOGY INC14 citations74
US5521875AMay 28, 1996
Dynamic single-ended sense amp improvement with charge share assist
VLSI TECHNOLOGY INC13 citations74