JPS5775025A - Flip-flop circuit - Google Patents

Flip-flop circuit

Info

Publication number
JPS5775025A
JPS5775025A JP55150706A JP15070680A JPS5775025A JP S5775025 A JPS5775025 A JP S5775025A JP 55150706 A JP55150706 A JP 55150706A JP 15070680 A JP15070680 A JP 15070680A JP S5775025 A JPS5775025 A JP S5775025A
Authority
JP
Japan
Prior art keywords
flip
flop
storage element
lsi
phisb
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
JP55150706A
Other languages
Japanese (ja)
Inventor
Akira Masaki
Masao Kato
Koji Masuda
Ryota Kasai
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
Nippon Telegraph and Telephone Corp
Original Assignee
Hitachi Ltd
Nippon Telegraph and Telephone 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 Hitachi Ltd, Nippon Telegraph and Telephone Corp filed Critical Hitachi Ltd
Priority to JP55150706A priority Critical patent/JPS5775025A/en
Publication of JPS5775025A publication Critical patent/JPS5775025A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/353—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of field-effect transistors with internal or external positive feedback
    • H03K3/356—Bistable circuits
    • H03K3/356104—Bistable circuits using complementary field-effect transistors

Landscapes

  • Logic Circuits (AREA)

Abstract

PURPOSE:To obtain a diagnostic function for LSI with a simple constitution, by providing a dynamic storage element, which constitutes a diagnostic shift register together with flip-flops, between these plural flip-flop. CONSTITUTION:In case of diagnosis for LSI, the output of a flip-flop 2' in the LSI is applied to a storage element 3', and the output of the storage element 3' is applied to another flip-flop, thus constituting a shift register. Clock phiSA and phiSB are applied to the flip-flop 2' and the storage element 3' to become a master-slave flip-flop. Since the storage element 3' is constituted dynamically by transfer gates 21 and 22, to which a clock phiSB is applied, and a capacitor 6, the number of used elements is reduced, and a sufficient diagnostic function is obtained.
JP55150706A 1980-10-29 1980-10-29 Flip-flop circuit Pending JPS5775025A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55150706A JPS5775025A (en) 1980-10-29 1980-10-29 Flip-flop circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55150706A JPS5775025A (en) 1980-10-29 1980-10-29 Flip-flop circuit

Publications (1)

Publication Number Publication Date
JPS5775025A true JPS5775025A (en) 1982-05-11

Family

ID=15502626

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55150706A Pending JPS5775025A (en) 1980-10-29 1980-10-29 Flip-flop circuit

Country Status (1)

Country Link
JP (1) JPS5775025A (en)

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