概要
説明
The ISL12026 and the ISL12026A devices are micro power real time clocks with timing and crystal compensation, clock/calender, power-fail indicator, two periodic or polled alarms, intelligent battery backup switching, and integrated 512x8-bit EEPROM configured in 16 Bytes per page. The oscillator uses an external, low-cost 32. 768kHz crystal. The real time clock tracks time with separate registers for hours, minutes, and seconds. The device has calendar registers for date, month, year and day of the week. The calendar is accurate through 2099, with automatic leap year correction. The ISL12026 and ISL12026A have different types of Power Control Settings. The ISL12026 uses the Legacy Mode Setting, which follows conditions set in X1226 products. The ISL12026A uses the Standard Mode Setting. Please refer to Power Control Operation on page 13 for more details. Also, please refer to I2C Communications During Battery Backup on page 22 for important details.
特長
- Real Time Clock/Calendar
- Tracks Time in Hours, Minutes and Seconds
- Day of the Week, Day, Month and Year
- 3 Selectable Frequency Outputs
- Two Non-Volatile Alarms
- Settable on the Second, Minute, Hour, Day of the Week, Day or Month
- Repeat Mode (Periodic Interrupts)
- Automatic Backup to Battery or SuperCap
- On-Chip Oscillator Compensation
- Internal Feedback Resistor and Compensation Capacitors
- 64 Position Digitally Controlled Trim Capacitor
- 6 Digital Frequency Adjustment Settings to ±30ppm
- 512x8 Bits of EEPROM
- 16-Byte Page Write Mode (32 total pages)
- 8 Modes of BlockLock™ Protection
- Single Byte Write Capability
- High Reliability
- Data Retention: 50 years
- Endurance: >2,000,000 Cycles Per Byte
- I2C Interface
- 400kHz Data Transfer Rate
- 800nA Battery Supply Current
- Package Options
- 8 Ld SOIC and 8 Ld TSSOP Packages
- Pb-Free (RoHS Compliant)
製品比較
アプリケーション
アプリケーション
- Real Time Clock/Calendar Tracks Time in Hours, Minutes and Seconds Day of the Week, Day, Month and Year 3 Selectable Frequency Outputs
- Two Non-Volatile Alarms Settable on the Second, Minute, Hour, Day of the Week, Day or Month Repeat Mode (Periodic Interrupts)
- Automatic Backup to Battery or SuperCap
- On-Chip Oscillator Compensation Internal Feedback Resistor and Compensation Capacitors 64 Position Digitally Controlled Trim Capacitor 6 Digital Frequency Adjustment Settings to ±30ppm
- 512x8 Bits of EEPROM 16-Byte Page Write Mode (32 total pages) 8 Modes of BlockLock™ Protection Single Byte Write Capability
- High Reliability Data Retention: 50 years Endurance: 2,000,000 Cycles Per Byte
- I2C Interface 400kHz Data Transfer Rate
- 800nA Battery Supply Current
- Package Options 8 Ld SOIC and 8 Ld TSSOP Packages
- Pb-Free (RoHS Compliant)
ドキュメント
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| 分類 | タイトル | 日時 |
| データシート | PDF 1.15 MB | |
| カタログ | PDF 5.40 MB 英語 | |
| 製品変更通知 | PDF 152 KB | |
| 製品変更通知 | PDF 121 KB | |
| 製品変更通知 | PDF 120 KB | |
| マニュアル－開発ツール | PDF 815 KB | |
| アプリケーションノート | PDF 302 KB | |
| その他資料 | PDF 302 KB | |
8件
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設計・開発
ソフトウェア／ツール
モデル
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