JPS52106689A - Preparation for semiconductor integrated circuit unit - Google Patents

Preparation for semiconductor integrated circuit unit

Info

Publication number
JPS52106689A
JPS52106689A JP2333476A JP2333476A JPS52106689A JP S52106689 A JPS52106689 A JP S52106689A JP 2333476 A JP2333476 A JP 2333476A JP 2333476 A JP2333476 A JP 2333476A JP S52106689 A JPS52106689 A JP S52106689A
Authority
JP
Japan
Prior art keywords
preparation
integrated circuit
circuit unit
semiconductor integrated
igfet
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
JP2333476A
Other languages
Japanese (ja)
Inventor
Hiroo Sakaba
Kenzo Masuda
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP2333476A priority Critical patent/JPS52106689A/en
Priority to US05/774,540 priority patent/US4107548A/en
Publication of JPS52106689A publication Critical patent/JPS52106689A/en
Pending legal-status Critical Current

Links

Landscapes

  • Read Only Memory (AREA)
  • Semiconductor Memories (AREA)
  • Non-Volatile Memory (AREA)
  • Logic Circuits (AREA)

Abstract

PURPOSE: To prepare IC having a plurality of IGFET of mutually different threshold voltage to obtain logic circuit of high performance.
COPYRIGHT: (C)1977,JPO&Japio
JP2333476A 1976-03-05 1976-03-05 Preparation for semiconductor integrated circuit unit Pending JPS52106689A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2333476A JPS52106689A (en) 1976-03-05 1976-03-05 Preparation for semiconductor integrated circuit unit
US05/774,540 US4107548A (en) 1976-03-05 1977-03-04 Ratioless type MIS logic circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2333476A JPS52106689A (en) 1976-03-05 1976-03-05 Preparation for semiconductor integrated circuit unit

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP58209047A Division JPS59107538A (en) 1983-11-09 1983-11-09 Semiconductor integrated circuit device

Publications (1)

Publication Number Publication Date
JPS52106689A true JPS52106689A (en) 1977-09-07

Family

ID=12107671

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2333476A Pending JPS52106689A (en) 1976-03-05 1976-03-05 Preparation for semiconductor integrated circuit unit

Country Status (1)

Country Link
JP (1) JPS52106689A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55500925A (en) * 1978-11-20 1980-11-06
JPS57145363A (en) * 1981-03-03 1982-09-08 Nec Corp Semiconductor device and preparation thereop

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4869441A (en) * 1971-12-22 1973-09-20
JPS4871976A (en) * 1971-12-28 1973-09-28

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4869441A (en) * 1971-12-22 1973-09-20
JPS4871976A (en) * 1971-12-28 1973-09-28

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55500925A (en) * 1978-11-20 1980-11-06
JPS57145363A (en) * 1981-03-03 1982-09-08 Nec Corp Semiconductor device and preparation thereop

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