JPS5483340A - Logic array - Google Patents

Logic array

Info

Publication number
JPS5483340A
JPS5483340A JP15130677A JP15130677A JPS5483340A JP S5483340 A JPS5483340 A JP S5483340A JP 15130677 A JP15130677 A JP 15130677A JP 15130677 A JP15130677 A JP 15130677A JP S5483340 A JPS5483340 A JP S5483340A
Authority
JP
Japan
Prior art keywords
array
outputs
decoder
logic array
inputted
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.)
Granted
Application number
JP15130677A
Other languages
Japanese (ja)
Other versions
JPS6145265B2 (en
Inventor
Hiroshi Mayumi
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP15130677A priority Critical patent/JPS5483340A/en
Publication of JPS5483340A publication Critical patent/JPS5483340A/en
Publication of JPS6145265B2 publication Critical patent/JPS6145265B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Test And Diagnosis Of Digital Computers (AREA)
  • Logic Circuits (AREA)

Abstract

PURPOSE: To simplify the circuitry of the logic array, by constructing the programmable logic array with the AND array and the decoder circuit which selects this AND array and a part of the AND terms of this AND array, and adding parallel bits of the shift register to the decoder circuit.
CONSTITUTION: The AND-term selector circuit 5, which constitutes programmable logic array PLA is provided with serially-connected filp-flops FF1 to FF7, which form the shift register, and decoder 20 to which outputs of these FF1 to FF7 are to be inputted. Then shift indicator DIA is supplied to selector circuit 5, and respective outputs B1 to B7 of FF1 to FF7 are decoded at decoder 20. Its decoded outputs a1 to a128 are inputted to AND gates A1 to A128 to which detection levels of the respective AND terms A1 to A128 are inputted, and the outputs of gates A1 to A128 are taken out as output DOA through OR gate 21.
COPYRIGHT: (C)1979,JPO&Japio
JP15130677A 1977-12-15 1977-12-15 Logic array Granted JPS5483340A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15130677A JPS5483340A (en) 1977-12-15 1977-12-15 Logic array

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15130677A JPS5483340A (en) 1977-12-15 1977-12-15 Logic array

Publications (2)

Publication Number Publication Date
JPS5483340A true JPS5483340A (en) 1979-07-03
JPS6145265B2 JPS6145265B2 (en) 1986-10-07

Family

ID=15515775

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15130677A Granted JPS5483340A (en) 1977-12-15 1977-12-15 Logic array

Country Status (1)

Country Link
JP (1) JPS5483340A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57203137A (en) * 1981-06-04 1982-12-13 Ibm Logic array
EP0379071A2 (en) * 1989-01-19 1990-07-25 National Semiconductor Corporation Multiple page programmable logic architecture

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57203137A (en) * 1981-06-04 1982-12-13 Ibm Logic array
JPH0218497B2 (en) * 1981-06-04 1990-04-25 Intaanashonaru Bijinesu Mashiinzu Corp
EP0379071A2 (en) * 1989-01-19 1990-07-25 National Semiconductor Corporation Multiple page programmable logic architecture
EP0379071A3 (en) * 1989-01-19 1990-10-31 National Semiconductor Corporation Multiple page programmable logic architecture

Also Published As

Publication number Publication date
JPS6145265B2 (en) 1986-10-07

Similar Documents

Publication Publication Date Title
JPS5483341A (en) Digital integrated circuit
JPS5483340A (en) Logic array
JPS52137229A (en) Programmable logic array
JPS55122166A (en) Frequency detection circuit
JPS5652438A (en) Decoding circuit
JPS5266367A (en) Semiconductor logic circuit
JPS54122932A (en) Display circuit
JPS5666947A (en) Data transmission method
JPS5312259A (en) Analog digital converter
JPS52115637A (en) Mos transistor circuit
JPS5639685A (en) Decoding system
JPS6472230A (en) Bit inverter
JPS54131842A (en) Selection device for maximum value holding register
JPS5559544A (en) Digital comparator circuit
JPS648723A (en) Logic device
JPS54137251A (en) Code conversion system
JPS5423573A (en) Electronic watch
JPS641029A (en) Zone generating circuit
JPS5696553A (en) Code conversion circuit
JPS57202153A (en) Pattern detecting circuit
JPS5283055A (en) Logical circuit with majority decision function and selection function
JPS5353936A (en) M bits x n bits multiplier
JPS5619224A (en) Multiphase clock generating circuit
JPS54105424A (en) Coding circuit
JPS55154494A (en) Watch with timer