JPS5386539A - Arithmetic unit - Google Patents

Arithmetic unit

Info

Publication number
JPS5386539A
JPS5386539A JP82877A JP82877A JPS5386539A JP S5386539 A JPS5386539 A JP S5386539A JP 82877 A JP82877 A JP 82877A JP 82877 A JP82877 A JP 82877A JP S5386539 A JPS5386539 A JP S5386539A
Authority
JP
Japan
Prior art keywords
arithmetic unit
multiplicand
multiplier
registers
ultra
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
JP82877A
Other languages
Japanese (ja)
Inventor
Takeshi Watanabe
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 JP82877A priority Critical patent/JPS5386539A/en
Publication of JPS5386539A publication Critical patent/JPS5386539A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To ensure an ultra-high speed multiplication performance which is practically close to 4 bits/cycle, by providing the registers which hold the multiplicand, the n-timed number of the multiplicand, the multiplier and the intermediate product respectively by use of the main adder.
COPYRIGHT: (C)1978,JPO&Japio
JP82877A 1977-01-10 1977-01-10 Arithmetic unit Pending JPS5386539A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP82877A JPS5386539A (en) 1977-01-10 1977-01-10 Arithmetic unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP82877A JPS5386539A (en) 1977-01-10 1977-01-10 Arithmetic unit

Publications (1)

Publication Number Publication Date
JPS5386539A true JPS5386539A (en) 1978-07-31

Family

ID=11484491

Family Applications (1)

Application Number Title Priority Date Filing Date
JP82877A Pending JPS5386539A (en) 1977-01-10 1977-01-10 Arithmetic unit

Country Status (1)

Country Link
JP (1) JPS5386539A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5771045A (en) * 1980-10-22 1982-05-01 Casio Comput Co Ltd Digital mulitplier
JPS58129653A (en) * 1982-01-29 1983-08-02 Hitachi Ltd Multiplication system
JPS58137045A (en) * 1982-02-05 1983-08-15 Matsushita Electric Ind Co Ltd Parallel multiplier
JPH02138620A (en) * 1980-02-13 1990-05-28 Intel Corp Calculation of numerical quantity and numerical data processor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02138620A (en) * 1980-02-13 1990-05-28 Intel Corp Calculation of numerical quantity and numerical data processor
JPS5771045A (en) * 1980-10-22 1982-05-01 Casio Comput Co Ltd Digital mulitplier
JPS58129653A (en) * 1982-01-29 1983-08-02 Hitachi Ltd Multiplication system
JPS58137045A (en) * 1982-02-05 1983-08-15 Matsushita Electric Ind Co Ltd Parallel multiplier

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