US5982697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for initializing and reprogramming a control operation feature of a memory device
Assignee: Round Rock Research LLC
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Filing: 1998-03-20
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Granted: 1999-11-09
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Expires: 2018-03-20
Abstract
Abstract A method for initially programming a synchronous dynamic random access memory (SDRAM) device to have a first control operating option in response to a first command and for reprogramming the SDRAM device to have a second control operating option in response to a second command.
Inventors
- 👤 Brett Williams
- 👤 Scott Schaefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:37
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/21; G11C11/34; G11C11/40; G11C11/401; G11C11/4063; G11C11/407; G11C11/4072; G11C7/00; G11C7/10; G11C7/1015; G11C7/1045; G11C7/1072
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
118 words
A method for operating a memory device, comprising the following steps: a) providing a first command to the memory device; b) providing a selection signal to the memory device; c) programming a control operation feature of the memory device in response to said first command to have one of a plurality of operating options as determined by said selection signal; d) providing a second command to the memory device; and e) toggling a value of said selection signal from a first logic state to a second logic state in response to said second command in order to reprogram said control operation feature of the memory device to have a further one of said plurality of said operating options.
Claim 2
Independent Claim
118 words
A method for operating a memory device, comprising the following steps: a) providing a first command to the memory device; b) providing a selection signal to the memory device; c) programming a control operation feature of the memory device in response to said first command to have one of a plurality of operating options as determined by said selection signal; d) providing a second command to the memory device; and e) toggling a value of said selection signal from a first logic state to a second logic state in response to said second command in order to reprogram said control operation feature of the memory device to have a further one of said plurality of said operating options.
Claim 3
Independent Claim
151 words
A method for operating a memory device, comprising the following steps: a) providing a first command to the memory device; b) providing a selection signal to the memory device; c) programming a control operation feature of the memory device in response to said first command to have one of a plurality of operating options as determined by said selection signal; d) providing a second command to the memory device; e) toggling a value of said selection signal from a first logic state to a second logic state in response to said second command in order to reprogram said control operation feature of the memory device to have a further one of said plurality of said operating options; f) providing a third command to said memory device; and g) toggling a value of said selection signal from said second logic state to said first logic state in response to said third command.
Claim 4
Independent Claim
151 words
A method for operating a memory device, comprising the following steps: a) providing a first command to the memory device; b) providing a selection signal to the memory device; c) programming a control operation feature of the memory device in response to said first command to have one of a plurality of operating options as determined by said selection signal; d) providing a second command to the memory device; e) toggling a value of said selection signal from a first logic state to a second logic state in response to said second command in order to reprogram said control operation feature of the memory device to have a further one of said plurality of said operating options; f) providing a third command to said memory device; and g) toggling a value of said selection signal from said second logic state to said first logic state in response to said third command.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2002-11-08 | 2003-05-10 | 2003-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2006-11-08 | 2007-05-10 | 2007-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2010-11-08 | 2011-05-10 | 2011-11-09 | $7700.00 | Window Closed / Lapsed |