Active solid-state devices (e.g. – transistors – solid-state diode – Field effect device – Having insulated electrode
Patent
1996-08-29
1999-03-02
Tsai, Jey
Active solid-state devices (e.g., transistors, solid-state diode
Field effect device
Having insulated electrode
438238, 438382, 257536, H01L 2972
Patent
active
058775366
ABSTRACT:
In a level shifter, first and second integrated-circuit resistors are connected in series between a source voltage supplying terminal and the ground. The first and the second integrated-circuit have a common temperature characteristic and a common line width. A third integrated-circuit is connected to the first integrated-circuit resistor in parallel and-has another temperature characteristic. The first, the second, and the third integrated-circuit resistors form a voltage divider which divides a source voltage Vcc into a divided voltage. A differential amplifier has a noninverting terminal which is connected to a connection point between the first and the second integrated-circuit resistors, an output terminal, and a inverting terminal which is connected to the output terminal. The differential amplifier supplies the divided voltage to an integrated circuit as a level shifted voltage.
REFERENCES:
patent: 4879505 (1989-11-01), Barrow et al.
patent: 5530640 (1996-06-01), Hara et al.
patent: 5801418 (1998-09-01), Ranjan
European Search Report, Dec. 4, 1997.
NEC Corporation
Tsai Jey
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