Semiconductor integrated circuit device having a variable curren

Details Semiconductor integrated circuit device having a variable curren Semiconductor integrated circuit device having a variable curren

1997-03-27

1998-07-14

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Gating

Converging with plural inputs and single output

327355, 327361, 327403, H03K 1762

Patent

active

057810605

ABSTRACT:
A semiconductor integrated circuit device includes a variable current source 2. This device further includes a control circuit 1, 10 causing the current source to change the value of the current produced therefrom in response to a set of control signals, and a shift register 13 serially receiving control data and produces the set of control signals in a parallel form.

REFERENCES:
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patent: 4405916 (1983-09-01), Hornak et al.
patent: 4535257 (1985-08-01), Hareyama
patent: 4935740 (1990-06-01), Schouwenhaars et al.
patent: 5004901 (1991-04-01), Yoshimoto et al.
patent: 5022051 (1991-06-01), Crandall et al.
patent: 5059836 (1991-10-01), Lee et al.
patent: 5469101 (1995-11-01), Yepp

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