Inventor
KEIDA HARUO
11 patents
Patents
11 patentsUS5247521ASep 21, 1993
Data processor
HITACHI LTD31 citations91
US5228139AJul 13, 1993
Semiconductor integrated circuit device with test mode for testing CPU using external signal
HITACHI LTD34 citations90
US5581698ADec 3, 1996
Semiconductor integrated circuit device with test mode for testing CPU using external Signal
HITACHI LTD17 citations80
US3991326ANov 9, 1976
MISFET switching circuit for a high withstand voltage
HITACHI LTD13 citations73
US5179694AJan 12, 1993
Data processor in which external sync signal may be selectively inhibited
HITACHI LTD7 citations72
US4989208AJan 29, 1991
Data processor
HITACHI LTD10 citations72
US4975593ADec 4, 1990
Microcomputer with synchronized data transfer
HITACHI LTD19 citations72
US5497482AMar 5, 1996
Data processor in which external sync signal may be selectively inhibited
HITACHI LTD5 citations61
US5493686AFeb 20, 1996
Data processor in which external sync signal may be selectively inhibited
HITACHI LTD2 citations61
US5142536AAug 25, 1992
Data processor
HITACHI LTD5 citations61
US4967352AOct 30, 1990
Data processor in which external sync signal may be selectively inhibited
HITACHI LTD4 citations61