P

Inventor

SILJENBERG DAVID W

US18 patents

Patents

18 patents
US5039194AAug 13, 1991

Optical fiber link card

IBM216 citations96
US5069522ADec 3, 1991

Optical fiber link card

IBM91 citations94
US5136410AAug 4, 1992

Optical fiber link control safety system

IBM113 citations93
US5663689ASep 2, 1997

Method and apparatus for providing a high speed charge pump with low static error

IBM26 citations91
US7224633B1May 29, 2007

eFuse sense circuit

IBM49 citations90
US7215144B2May 8, 2007

Pre-emphasis driver with constant impedance

IBM39 citations88
US6735731B2May 11, 2004

Architecture for built-in self-test of parallel optical transceivers

IBM42 citations88
US7945805B2May 17, 2011

Architecture for a physical interface of a high speed front side bus

IBM9 citations82
US6933743B2Aug 23, 2005

Dual mode analog differential and CMOS logic circuit

IBM7 citations73
US10684319B2Jun 16, 2020

Tuning a testing apparatus for measuring skew

IBM2 citations72
US9712170B2Jul 18, 2017

Level-shifting latch

IBM2 citations72
US9553584B2Jan 24, 2017

Level-shifting latch

IBM2 citations72
US7624297B2Nov 24, 2009

Architecture for a physical interface of a high speed front side bus

IBM3 citations60
US9583938B2Feb 28, 2017

Electrostatic discharge protection device with power management

IBM1 citations52
US9496712B1Nov 15, 2016

Electrostatic discharge protection device with power management

IBM0 citations52
US9231796B2Jan 5, 2016

Power aware equalization in a serial communications link

IBM1 citations52
US10162002B2Dec 25, 2018

Tuning a testing apparatus for measuring skew

IBM1 citations51
US6937060B2Aug 30, 2005

Method and apparatus for implementing power control in multi-voltage I/O circuits

IBM0 citations44