GB1017543A - Improvements in or relating to logical circuitry - Google Patents

Improvements in or relating to logical circuitry

Info

Publication number
GB1017543A
GB1017543A GB34630/63A GB3463063A GB1017543A GB 1017543 A GB1017543 A GB 1017543A GB 34630/63 A GB34630/63 A GB 34630/63A GB 3463063 A GB3463063 A GB 3463063A GB 1017543 A GB1017543 A GB 1017543A
Authority
GB
United Kingdom
Prior art keywords
charge
diodes
clock pulses
input
relating
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.)
Expired
Application number
GB34630/63A
Inventor
Robert William Hunt
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB34630/63A priority Critical patent/GB1017543A/en
Priority to FR986553A priority patent/FR1405183A/en
Priority to NL6410240A priority patent/NL6410240A/xx
Priority to BE652568D priority patent/BE652568A/xx
Publication of GB1017543A publication Critical patent/GB1017543A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
    • H03K23/002—Pulse counters comprising counting chains; Frequency dividers comprising counting chains using semiconductor devices
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
    • G11C19/28—Digital stores in which the information is moved stepwise, e.g. shift registers using semiconductor elements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/02—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components
    • H03K19/08—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using semiconductor devices
    • H03K19/082—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using semiconductor devices using bipolar transistors
    • H03K19/084—Diode-transistor logic
    • 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
    • H03K3/33—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of semiconductor devices exhibiting hole storage or enhancement effect

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Logic Circuits (AREA)

Abstract

1,017,543. Shift registers. STANDARD TELEPHONES & CABLES Ltd. Aug. 28, 1964 [Sept. 2, 1963], No. 34630/63. Heading G4C. [Also in Division H3] A shift register comprises a bi-stable circuit in which the transistors are switched from one state into the other by the residual charge in a series chain of two or more charge-storage diodes. Clock pulses are applied through diodes D2 and D2<SP>1</SP> to effect the switching which is inhibited by the presence of a gating input through Dl or D1<SP>1</SP> which effectively shortcircuits the charge-storage diodes. Any change in input information should occur only during the negative half-cycles of the clock pulses to avoid resetting by the input signals directly. The various circuit components can be formed in one single crystal of semi-conductor material.
GB34630/63A 1963-09-02 1963-09-02 Improvements in or relating to logical circuitry Expired GB1017543A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB34630/63A GB1017543A (en) 1963-09-02 1963-09-02 Improvements in or relating to logical circuitry
FR986553A FR1405183A (en) 1963-09-02 1964-04-09 Bistable device for binary counters and analog circuits
NL6410240A NL6410240A (en) 1963-09-02 1964-09-02
BE652568D BE652568A (en) 1963-09-02 1964-09-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB34630/63A GB1017543A (en) 1963-09-02 1963-09-02 Improvements in or relating to logical circuitry

Publications (1)

Publication Number Publication Date
GB1017543A true GB1017543A (en) 1966-01-19

Family

ID=10368040

Family Applications (1)

Application Number Title Priority Date Filing Date
GB34630/63A Expired GB1017543A (en) 1963-09-02 1963-09-02 Improvements in or relating to logical circuitry

Country Status (4)

Country Link
BE (1) BE652568A (en)
FR (1) FR1405183A (en)
GB (1) GB1017543A (en)
NL (1) NL6410240A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1289108B (en) * 1966-04-05 1969-02-13 Halbleiterwerk Frankfurt Oder Circuit arrangement for implementing logical functions

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3411052A (en) * 1965-10-28 1968-11-12 Ncr Co Logical circuit arrangement having a constant current gain for controlled operation i saturation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1289108B (en) * 1966-04-05 1969-02-13 Halbleiterwerk Frankfurt Oder Circuit arrangement for implementing logical functions

Also Published As

Publication number Publication date
BE652568A (en) 1965-03-02
NL6410240A (en) 1965-03-03
FR1405183A (en) 1965-07-02

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