JPS5750391A - Two-way shift register - Google Patents
Two-way shift registerInfo
- Publication number
- JPS5750391A JPS5750391A JP55125758A JP12575880A JPS5750391A JP S5750391 A JPS5750391 A JP S5750391A JP 55125758 A JP55125758 A JP 55125758A JP 12575880 A JP12575880 A JP 12575880A JP S5750391 A JPS5750391 A JP S5750391A
- Authority
- JP
- Japan
- Prior art keywords
- shift register
- way
- inverter
- gate
- constitution
- 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
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
Landscapes
- Shift Register Type Memory (AREA)
Abstract
PURPOSE:To reduce the number of elements to realize a simple and miniature constitution for a two-way shift register, by connecting two pairs of clock synchronous logical circuits in a prescribed way and providing a transmission gate at the end of connection to form a 1-bit circuit. CONSTITUTION:One output is connected to the other input among two pairs of clocked inverters 21 and 22 each other, and a transmission gate 24 is connected to a connecting point 23 to obtain a circuit equivalent to a bit of a shift register. When the gate 24 is turned on by a clock phi1, the data is shifted to right via the inverter 21. In this case, a clock phiL is set at zero and thus the output of the inverter 22 is set at a high impedance without affecting the transfer data. In the same way, the data is shifted to left via the inverter 22 when the transmission gate conducts to the bit circuit of a digit right-above. As a result, a number of gate circuits is elminated to obtain a two-way shift register having a reduced number of elements and a small occupied area with a simple and miniature constitution.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55125758A JPS5750391A (en) | 1980-09-10 | 1980-09-10 | Two-way shift register |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55125758A JPS5750391A (en) | 1980-09-10 | 1980-09-10 | Two-way shift register |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5750391A true JPS5750391A (en) | 1982-03-24 |
JPS624799B2 JPS624799B2 (en) | 1987-01-31 |
Family
ID=14918082
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55125758A Granted JPS5750391A (en) | 1980-09-10 | 1980-09-10 | Two-way shift register |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5750391A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5168463A (en) * | 1988-02-23 | 1992-12-01 | Nissan Motor Company, Ltd. | Shift register apparatus for storing data therein |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5315721A (en) * | 1976-07-28 | 1978-02-14 | Toshiba Corp | Two-way shift register |
JPS54835A (en) * | 1977-06-06 | 1979-01-06 | Hitachi Ltd | Two-way shift register |
JPS54143031A (en) * | 1978-04-28 | 1979-11-07 | Toshiba Corp | Driving control system of shift register circuit |
-
1980
- 1980-09-10 JP JP55125758A patent/JPS5750391A/en active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5315721A (en) * | 1976-07-28 | 1978-02-14 | Toshiba Corp | Two-way shift register |
JPS54835A (en) * | 1977-06-06 | 1979-01-06 | Hitachi Ltd | Two-way shift register |
JPS54143031A (en) * | 1978-04-28 | 1979-11-07 | Toshiba Corp | Driving control system of shift register circuit |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5168463A (en) * | 1988-02-23 | 1992-12-01 | Nissan Motor Company, Ltd. | Shift register apparatus for storing data therein |
Also Published As
Publication number | Publication date |
---|---|
JPS624799B2 (en) | 1987-01-31 |
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