JPS6444683A - Semiconductor scanning circuit - Google Patents

Semiconductor scanning circuit

Info

Publication number
JPS6444683A
JPS6444683A JP62201459A JP20145987A JPS6444683A JP S6444683 A JPS6444683 A JP S6444683A JP 62201459 A JP62201459 A JP 62201459A JP 20145987 A JP20145987 A JP 20145987A JP S6444683 A JPS6444683 A JP S6444683A
Authority
JP
Japan
Prior art keywords
fet
drain
flip
flop circuit
source
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP62201459A
Other languages
Japanese (ja)
Inventor
Kenzo Nakamura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Epson Corp
Original Assignee
Seiko Epson Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Seiko Epson Corp filed Critical Seiko Epson Corp
Priority to JP62201459A priority Critical patent/JPS6444683A/en
Publication of JPS6444683A publication Critical patent/JPS6444683A/en
Pending legal-status Critical Current

Links

Landscapes

  • Shift Register Type Memory (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)

Abstract

PURPOSE:To vary the shift direction of a semiconductor scanning circuit by means of an external control signal by constituting a flip-flop circuit by 5 sets of field effect transistors FETs and a bootstrap capacitor in a semiconductor scanning circuit having plural flip-flop circuits arranged in a line. CONSTITUTION:A drain 31 of a 1st FET 1 is connected to an output of a flip- flop circuit of pre-stage and the source of the 1st FET is connected to a gate of a 3rd FET 3 and a bootstrap capacitor 6. The source of the 3rd FET is connected to the source of a 2nd FET, the drain of a 4th FET, the drain of a 5th FET 5 and the drain 31 of the 1st FET of a flip-flop circuit of the next stage. The drain of the 2nd FET is connected to the gate of the 3rd FET of a flip-flop circuit of the pre-stage and the sources of the 4th and 5th FETs are connected to a ground line. In connecting the 2nd FET to a conventional shift register in this way, the shift direction of data having been unidirectional in the conventional device is controlled electrically to attain two-way shift.
JP62201459A 1987-08-12 1987-08-12 Semiconductor scanning circuit Pending JPS6444683A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62201459A JPS6444683A (en) 1987-08-12 1987-08-12 Semiconductor scanning circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62201459A JPS6444683A (en) 1987-08-12 1987-08-12 Semiconductor scanning circuit

Publications (1)

Publication Number Publication Date
JPS6444683A true JPS6444683A (en) 1989-02-17

Family

ID=16441442

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62201459A Pending JPS6444683A (en) 1987-08-12 1987-08-12 Semiconductor scanning circuit

Country Status (1)

Country Link
JP (1) JPS6444683A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005260249A (en) * 1995-09-05 2005-09-22 Canon Inc Photoelectric conversion apparatus and radiation imaging apparatus
JP2009077415A (en) * 2001-05-29 2009-04-09 Semiconductor Energy Lab Co Ltd Display device
JP2009246378A (en) * 1995-09-05 2009-10-22 Canon Inc Photoelectric converter, and radiation imaging apparatus

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005260249A (en) * 1995-09-05 2005-09-22 Canon Inc Photoelectric conversion apparatus and radiation imaging apparatus
JP2009246378A (en) * 1995-09-05 2009-10-22 Canon Inc Photoelectric converter, and radiation imaging apparatus
JP2009077415A (en) * 2001-05-29 2009-04-09 Semiconductor Energy Lab Co Ltd Display device
US9024930B2 (en) 2001-05-29 2015-05-05 Semiconductor Energy Laboratory Co., Ltd. Pulse output circuit, shift register, and display device
US9590632B2 (en) 2001-05-29 2017-03-07 Semiconductor Energy Laboratory Co., Ltd. Pulse output circuit, shift register, and display device
US10304399B2 (en) 2001-05-29 2019-05-28 Semiconductor Energy Laboratory Co., Ltd. Pulse output circuit, shift register, and display device

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