公开(公告)号：US3573509A

公开(公告)日：1971-04-06

申请号：US3573509D

申请日：1968-09-09

Applicant: TEXAS INSTRUMENTS INC

Inventor： CRAWFORD ROBERT HUDSON

IPC: G11C19/28 ,  G11C19/18 ,  H01L21/76 ,  H01L27/088 ,  H01L27/108 ,  H01L29/06 ,  H01L29/78 ,  H01L19/00

CPC classification number: H01L27/088 ,  G11C19/184 ,  H01L27/108 ,  H01L29/0638

Abstract: A capacitive pullup, two-phase shift register formed by Pchannel enhancement mode MOS transistors is disclosed as the embodiment of the invention. As a result of the capacitive coupling, a P-type diffusion which is normally negative will go positive in some instances. This forward biases the normally reverse biased PN junction between the P-type diffusion and the N-type substrate, injecting carriers into the substrate which may be collected at any other negatively biased P-type diffusion which then functions as the collector of a bipolar transistor. This collector current may result in the loss of stored logic information. To minimize these effects, a P-type collector diffusion is disposed adjacent to each potential emitting diffusion to collect the spurious carriers injected into the substrate before they cause the loss of stored data.

公开(公告)号：US3541543A

公开(公告)日：1970-11-17

申请号：US3541543D

申请日：1966-07-25

Applicant: TEXAS INSTRUMENTS INC

Inventor： CRAWFORD ROBERT HUDSON ,  BIARD JAMES R

IPC: G09G3/04 ,  G11C17/12 ,  H01L23/522 ,  H01L27/00 ,  H01L27/088 ,  H01L27/112 ,  H01L29/00 ,  H03M7/00 ,  H03K13/243 ,  H03K13/25

CPC classification number: H01L29/00 ,  G09G3/04 ,  G11C17/12 ,  H01L23/522 ,  H01L27/00 ,  H01L27/088 ,  H01L27/112 ,  H01L2924/0002 ,  H03M7/00 ,  H01L2924/00