JPS5755593A - Tristate associative storage circuit - Google Patents

Tristate associative storage circuit

Info

Publication number
JPS5755593A
JPS5755593A JP13050380A JP13050380A JPS5755593A JP S5755593 A JPS5755593 A JP S5755593A JP 13050380 A JP13050380 A JP 13050380A JP 13050380 A JP13050380 A JP 13050380A JP S5755593 A JPS5755593 A JP S5755593A
Authority
JP
Japan
Prior art keywords
signal
storage
feedback loop
tristate
state
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
JP13050380A
Other languages
Japanese (ja)
Other versions
JPS6321996B2 (en
Inventor
Yoshihiro Kasuya
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 JP13050380A priority Critical patent/JPS5755593A/en
Publication of JPS5755593A publication Critical patent/JPS5755593A/en
Publication of JPS6321996B2 publication Critical patent/JPS6321996B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C15/00—Digital stores in which information comprising one or more characteristic parts is written into the store and in which information is read-out by searching for one or more of these characteristic parts, i.e. associative or content-addressed stores
    • G11C15/04—Digital stores in which information comprising one or more characteristic parts is written into the store and in which information is read-out by searching for one or more of these characteristic parts, i.e. associative or content-addressed stores using semiconductor elements

Landscapes

  • Logic Circuits (AREA)

Abstract

PURPOSE:To obtain a tristate associative storage circuit suited to a storage cell of programmable logic array, by storing the ternary signal with high efficiency and then reading the ternary signal associatively with the binary signal for an associative circuit. CONSTITUTION:NAND gates 23, 24 and 25 form a feedback loop with other output signals used as an input respectively; and the storage state of this feedback loop made to correspond to the ternary signal. A binary logic input signal X1 plus its NOT signal bar X1 are supplied to a reading means 30 comprising NAND gates 31, 32 and 33. Thus the state of the feedback loop is associatively read. The state storage of the feedback loops 23, 24 and 25 is set by writing the 1st and 2nd write input signals A1 and A2 under the control of a write control signal W1 passed through an inverter 12 as well as a wirte control signal W2 passed through a delaying circuit 11.
JP13050380A 1980-09-19 1980-09-19 Tristate associative storage circuit Granted JPS5755593A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13050380A JPS5755593A (en) 1980-09-19 1980-09-19 Tristate associative storage circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13050380A JPS5755593A (en) 1980-09-19 1980-09-19 Tristate associative storage circuit

Publications (2)

Publication Number Publication Date
JPS5755593A true JPS5755593A (en) 1982-04-02
JPS6321996B2 JPS6321996B2 (en) 1988-05-10

Family

ID=15035825

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13050380A Granted JPS5755593A (en) 1980-09-19 1980-09-19 Tristate associative storage circuit

Country Status (1)

Country Link
JP (1) JPS5755593A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5914933A (en) * 1982-07-15 1984-01-25 Mitsubishi Heavy Ind Ltd Unloader of tire vulcanizer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5914933A (en) * 1982-07-15 1984-01-25 Mitsubishi Heavy Ind Ltd Unloader of tire vulcanizer
JPH0367006B2 (en) * 1982-07-15 1991-10-21 Mitsubishi Heavy Ind Ltd

Also Published As

Publication number Publication date
JPS6321996B2 (en) 1988-05-10

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