ISL120x Real Time Clock USB Evaluation System
This evaluation system is a hardware and software platform for testing Renesas real-time clock (RTC) devices; the system requires only a PC for the controller and power...
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Overview
Description
The ISL12024 device is a micro-power real-time clock with embedded 64-bit unique ID, 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.
Features
- Real-Time Clock/Calendar
- Tracks Time in Hours, Minutes, and Seconds
- Day of the Week, Day, Month and Year
- 3 Selectable Frequency Outputs
- 64-bit Unique ID
- 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 Super Cap
- 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-Bytes 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 Bus™
- 400kHz Data Transfer Rate
- 800nA Battery Supply Current
- Package Options
- 8 Ld SOIC and 8 Ld TSSOP Packages
- Pin-Compatible with the ISL12026
- Pb-Free (RoHS Compliant)
Comparison
Applications
- Utility Meters
- Audio Video Equipment
- Modems
- Network Routers, Hubs, Switches, Bridges
- Cellular Infrastructure Equipment
- Fixed Broadband Wireless Equipment
- Pagers/PDA
- POS Equipment
- Test Meters/Fixtures
- Office Automation (Copiers, Fax)
- Computer Products
- Security Related Application
Documentation
Featured Documentation
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| Type | Title | Date |
| Datasheet | PDF 1.17 MB | |
| Brochure | PDF 5.41 MB 日本語 | |
| End Of Life Notice | PDF 1.17 MB | |
| Product Change Notice | PDF 152 KB | |
| Product Change Notice | PDF 121 KB | |
| Product Change Notice | PDF 120 KB | |
| Manual - Development Tools | PDF 815 KB | |
| Application Note | PDF 302 KB | |
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Design & Development
Software & Tools
Boards & Kits
Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.
Processing table
| SOICN | 8 | Tube | 1 | 1.3 | 4.9 x 3.9 x 0.00 | Yes | Pb-Free 100% Matte Tin Plate w/Anneal-e3 | -40 to +85°C | 2.899 | ||
| SOICN | 8 | Reel | 1 | 1.3 | 4.9 x 3.9 x 0.00 | Yes | Pb-Free 100% Matte Tin Plate w/Anneal-e3 | -40 to +85°C | 2.71 | ||
| TSSOP | 8 | Tube | 1 | 0.7 | 3.0 x 4.4 x 0.00 | Yes | Pb-Free 100% Matte Tin Plate w/Anneal-e3 | -40 to +85°C | |||
| TSSOP | 8 | Reel | 1 | 0.7 | 3.0 x 4.4 x 0.00 | Yes | Pb-Free 100% Matte Tin Plate w/Anneal-e3 | -40 to +85°C |
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