Step-up circuit

Details Step-up circuit Step-up circuit

1988-06-13

1990-10-09

Heyman, John S.

Electrical pulse counters, pulse dividers, or shift registers: c

Shift register

Particular transfer means

377 57, 377 63, 307602, 363 60, 363147, H02M 307, G11C 11403

Patent

active

049625128

ABSTRACT:
A step-up circuit is comprised of plurality of charge pumping circuits connected in parallel to an output line. Each charge pumping circuit is activated by a pair of mutually opposite clock signals to produce a higher output voltage than its power source voltage. The clock signals applied to the charge pumping circuits are out of phase with respect to one another such that a stable output of higher voltage can be obtained.

REFERENCES:
patent: 3819953 (1974-06-01), Puckette et al.
patent: 4186436 (1980-01-01), Ishiwatari
patent: 4214174 (1980-07-01), Dickson
patent: 4803612 (1989-02-01), Skoumand
"One Chip Microcomputer with EEPROM for Tuning System of TV Sets", by A. Kiuchi et al., Sharp Giho, vol. 37, p. 88, 1987.

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