Charge transfer device

Electrical pulse counters – pulse dividers – or shift registers: c – Charge transfer device – Particular input or output means

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Details

377 58, 307353, 307482, 307578, 357 24, G11C 1928, H01L 2978

Patent

active

050330683

ABSTRACT:
In a charge transfer device, the threshold voltage of a drive MOS transistor in an output circuit is set to be largest among those of MOS transistors of the same conductivity type which are formed on a substrate. Even under a large reset pulse, the MOS transistor is operable in a saturation region, because its threshold voltage is set to be large.

REFERENCES:
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patent: 4099175 (1978-07-01), Rubin
patent: 4140927 (1979-02-01), Feucht
patent: 4250406 (1981-02-01), Alaspa
patent: 4459497 (1984-07-01), Kuo et al.
patent: 4528684 (1985-07-01), Iida et al.
patent: 4625322 (1986-11-01), Tukazaki et al.
patent: 4627083 (1986-12-01), Pelgrom et al.
patent: 4725746 (1988-02-01), Segawa et al.
patent: 4809307 (1989-02-01), Sakaue et al.
patent: 4811371 (1989-03-01), Tower

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