Inventor
WALL FREDERICK G
US7 patents
Patents
7 patentsUS6487687B1Nov 26, 2002
Voltage level shifter with testable cascode devices
TEXAS INSTRUMENTS INC60 citations95
US6294943B1Sep 25, 2001
Method of designing fail-safe CMOS I/O buffers whose external nodes accept voltages higher than the maximum gate oxide operating voltage
TEXAS INSTRUMENTS INC24 citations92
US6040708AMar 21, 2000
Output buffer having quasi-failsafe operation
TEXAS INSTRUMENTS INC54 citations92
US5995010ANov 30, 1999
Output buffer providing testability
TEXAS INSTRUMENTS INC54 citations92
US4405918ASep 20, 1983
Current sensing of capacitive keyboard arrays
TEXAS INSTRUMENTS INC48 citations91
US6211693B1Apr 3, 2001
Testability circuit for cascode circuits used for high voltage interface
TEXAS INSTRUMENTS INC9 citations73
US5428255AJun 27, 1995
Gate array base cell with multiple P-channel transistors
TEXAS INSTRUMENTS INC2 citations61