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JPS56107634A - Decoder - Google Patents

Decoder

Info

Publication number
JPS56107634A
JPS56107634A JP1025580A JP1025580A JPS56107634A JP S56107634 A JPS56107634 A JP S56107634A JP 1025580 A JP1025580 A JP 1025580A JP 1025580 A JP1025580 A JP 1025580A JP S56107634 A JPS56107634 A JP S56107634A
Authority
JP
Japan
Prior art keywords
dec3
information
output
unit
borrow
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
JP1025580A
Other languages
Japanese (ja)
Inventor
Kiyoshi Kubota
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP1025580A priority Critical patent/JPS56107634A/en
Publication of JPS56107634A publication Critical patent/JPS56107634A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

PURPOSE:Not to output the erroneous information transiently, by making an output of each input decoder ineffective for a prescribed time, when carry or borrow has been detected by variation of the input information. CONSTITUTION:The inputs A1, B1, C1, D1 which are the bit information of the binary code corresponding to the digit of 1 of decimal number are converted to the decimal numbers by the unit decoder DEC3. In the same way, the inputs A10, B10, C10, D10 which are the bit information of the binary code corresponding to the digit of 10 of decimal number are converted to the decimal numbers by the unit decoder DEC4. And, in case when the binary code information by which ''1'' is increased or decreased in order is input, when carry or borrow has occurred, both the outputs of the unit decoders DEC3, 4 are varied. Accordingly, when there is a difference of the operation time in both the unit decoders DEC3, 4, the erroneous information is output, therefore the carry or the borrow is detected by the digit change detection circuit ED, and by this output EB, the outputs of the respective unit decoders DEC3, 4 are made ineffective for a prescribed time.
JP1025580A 1980-01-31 1980-01-31 Decoder Pending JPS56107634A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1025580A JPS56107634A (en) 1980-01-31 1980-01-31 Decoder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1025580A JPS56107634A (en) 1980-01-31 1980-01-31 Decoder

Publications (1)

Publication Number Publication Date
JPS56107634A true JPS56107634A (en) 1981-08-26

Family

ID=11745203

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1025580A Pending JPS56107634A (en) 1980-01-31 1980-01-31 Decoder

Country Status (1)

Country Link
JP (1) JPS56107634A (en)

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