JPS54101281A - Logic circuit - Google Patents
Logic circuitInfo
- Publication number
- JPS54101281A JPS54101281A JP797478A JP797478A JPS54101281A JP S54101281 A JPS54101281 A JP S54101281A JP 797478 A JP797478 A JP 797478A JP 797478 A JP797478 A JP 797478A JP S54101281 A JPS54101281 A JP S54101281A
- Authority
- JP
- Japan
- Prior art keywords
- input
- emitter
- emitters
- base
- reference voltage
- 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
Links
Abstract
PURPOSE: To improve the DC and AC performance of various integrated circuits, by using transistors which can conventionally select the base-to-emitter forward voltage, in logic circuits.
CONSTITUTION: The collector of the multi-emitter transistor QR1 having a plurality of emitters E having different areas is grounded, the base is connected to the reference voltage VR, and the reference voltage suitable for Va input is obtained by connecting parallel the emitters E1 and E2, then E1 and E2. E1 and E2 are simultaneously connected to VaR and the reference voltage suitable for Vb input is obtained from the emitter E3, then this is connected to VbR. Thus, since the number of signals is different for each case, the reference level always close to the suitable value can be fed to each input, by designing the transistor QR so that the base to emitter forward voltage required can be obtained with the combination of emitters in advance to the input group not uniform for the logic amplitude.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP797478A JPS54101281A (en) | 1978-01-26 | 1978-01-26 | Logic circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP797478A JPS54101281A (en) | 1978-01-26 | 1978-01-26 | Logic circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54101281A true JPS54101281A (en) | 1979-08-09 |
JPS6120151B2 JPS6120151B2 (en) | 1986-05-21 |
Family
ID=11680422
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP797478A Granted JPS54101281A (en) | 1978-01-26 | 1978-01-26 | Logic circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54101281A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5690548A (en) * | 1979-11-20 | 1981-07-22 | Fujitsu Ltd | Manufacture of semiconductor device by master slice system |
JPS6110267A (en) * | 1984-06-26 | 1986-01-17 | Nec Corp | Monolithic ic |
JPS61146961U (en) * | 1986-02-27 | 1986-09-10 | ||
JPH01316970A (en) * | 1988-06-16 | 1989-12-21 | Fujitsu Ltd | Semiconductor integrated circuit |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06327367A (en) * | 1993-05-19 | 1994-11-29 | Daikaron Kako:Kk | Apparatus for cultivating plant |
-
1978
- 1978-01-26 JP JP797478A patent/JPS54101281A/en active Granted
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5690548A (en) * | 1979-11-20 | 1981-07-22 | Fujitsu Ltd | Manufacture of semiconductor device by master slice system |
JPS6349376B2 (en) * | 1979-11-20 | 1988-10-04 | Fujitsu Ltd | |
JPS6110267A (en) * | 1984-06-26 | 1986-01-17 | Nec Corp | Monolithic ic |
JPH0527987B2 (en) * | 1984-06-26 | 1993-04-22 | Nippon Electric Co | |
JPS61146961U (en) * | 1986-02-27 | 1986-09-10 | ||
JPH01316970A (en) * | 1988-06-16 | 1989-12-21 | Fujitsu Ltd | Semiconductor integrated circuit |
Also Published As
Publication number | Publication date |
---|---|
JPS6120151B2 (en) | 1986-05-21 |
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