Inventor
HAJDU JOHANN
DE13 patents
Patents
13 patentsUS4298980ANov 3, 1981
LSI Circuitry conforming to level sensitive scan design (LSSD) rules and method of testing same
IBM66 citations94
US4631663ADec 23, 1986
Macroinstruction execution in a microprogram-controlled processor
IBM29 citations88
US5754875AMay 19, 1998
Computer system with double width data bus
IBM19 citations78
US5138707AAug 11, 1992
Method of operating a timer in a digital data processing system
IBM12 citations73
US5303365AApr 12, 1994
Clock generation in a multi-chip computer system
IBM8 citations72
US4656578AApr 7, 1987
Device in the instruction unit of a pipeline processor for instruction interruption and repetition
IBM19 citations72
US5898867AApr 27, 1999
Hierarchical memory system for microcode and means for correcting errors in the microcode
IBM7 citations70
US4231085AOct 28, 1980
Arrangement for micro instruction control
IBM18 citations70
US3947671AMar 30, 1976
Binary parallel computing arrangement for additions or subtractions
IBM13 citations68
US4481575ANov 6, 1984
Arrangement in a data processing system to reduce the cycle time
IBM6 citations60
US4398247AAug 9, 1983
Control device for directing execution of forced operations in a data processing system
IBM6 citations58
US4030076AJun 14, 1977
Processor nucleus combined with nucleus time controlled external registers integrated with logic and arithmetic circuits shared between nucleus and I/O devices
IBM4 citations54
US4400776AAug 23, 1983
Data processor control subsystem
IBM1 citations48