JPS57158095A - Shift register circuit - Google Patents
Shift register circuitInfo
- Publication number
- JPS57158095A JPS57158095A JP56043367A JP4336781A JPS57158095A JP S57158095 A JPS57158095 A JP S57158095A JP 56043367 A JP56043367 A JP 56043367A JP 4336781 A JP4336781 A JP 4336781A JP S57158095 A JPS57158095 A JP S57158095A
- Authority
- JP
- Japan
- Prior art keywords
- shift register
- output
- circuit
- clock
- pulse
- 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
Abstract
PURPOSE:To reduce the power consumption of the entitled circuit substantially by controlling the input of a clock at least by an output of the shift register of >=2 steps before and that of the shift register of >=1 step after. CONSTITUTION:When a target pulse arrives the shift register (SR) 3m-2 of 2 steps before and an output Q is generated, Q' is turned to the low level and therefore the output of an NAND circuit 5m is reversed. An NAND circuit 7m becomes equivalent to an inverter connected to a clock line and the said pulse is applied to the NAND circuit 7m as a clock bar. When the target pulse is shifted to an SR 3m-1 and inputted to an SR 3m+1, the output Q' is turned to the low level and therefore a flip-flop circuit consisting of the NAND circuits 5m, 6m is reset and returned to the original status. The circuit 7m is closed and an SR 1m stops again. Thus, each SR operates precisely by 3 periods of a clock pulse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56043367A JPS57158095A (en) | 1981-03-25 | 1981-03-25 | Shift register circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56043367A JPS57158095A (en) | 1981-03-25 | 1981-03-25 | Shift register circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57158095A true JPS57158095A (en) | 1982-09-29 |
| JPS6142355B2 JPS6142355B2 (en) | 1986-09-20 |
Family
ID=12661869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56043367A Granted JPS57158095A (en) | 1981-03-25 | 1981-03-25 | Shift register circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57158095A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6035400A (en) * | 1983-08-05 | 1985-02-23 | Sharp Corp | Complementary type metal oxide film semiconductor device |
| JPH03147598A (en) * | 1989-11-02 | 1991-06-24 | Sony Corp | Shift register |
| US7119784B2 (en) | 1994-08-16 | 2006-10-10 | Semiconductor Energy Laboratory Co., Ltd. | Peripheral drive circuit of liquid crystal electro-optical device |
| JP2007299523A (en) * | 2001-07-16 | 2007-11-15 | Semiconductor Energy Lab Co Ltd | Shift register and display apparatus |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4894218B2 (en) * | 2005-10-07 | 2012-03-14 | セイコーエプソン株式会社 | Semiconductor integrated circuit |
-
1981
- 1981-03-25 JP JP56043367A patent/JPS57158095A/en active Granted
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6035400A (en) * | 1983-08-05 | 1985-02-23 | Sharp Corp | Complementary type metal oxide film semiconductor device |
| JPH0311036B2 (en) * | 1983-08-05 | 1991-02-15 | Sharp Kk | |
| JPH03147598A (en) * | 1989-11-02 | 1991-06-24 | Sony Corp | Shift register |
| US7119784B2 (en) | 1994-08-16 | 2006-10-10 | Semiconductor Energy Laboratory Co., Ltd. | Peripheral drive circuit of liquid crystal electro-optical device |
| US7348956B2 (en) | 1994-08-16 | 2008-03-25 | Semiconductor Energy Laboratory Co., Ltd. | Peripheral driver circuit of liquid crystal electro-optical device |
| JP2007299523A (en) * | 2001-07-16 | 2007-11-15 | Semiconductor Energy Lab Co Ltd | Shift register and display apparatus |
| US7589708B2 (en) | 2001-07-16 | 2009-09-15 | Semiconductor Energy Laboratory Co., Ltd. | Shift register and method of driving the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6142355B2 (en) | 1986-09-20 |
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