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 ISL12008 device is a low power real time clock/calendar that is pin compatible and functionally equivalent to the ST M41T00S and Maxim DS1340 with timing and crystal compensation. The device additionally provides power-fail indicator, software alarm and intelligent battery backup. 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
- Pin Compatible to ST M41T00S and Maxim DS1340
- Functionality Equivalent to ST M41T00S and Maxim DS1340
- Real Time Clock/Calendar
- Tracks Time in Hours, Minutes, Seconds and Sub-seconds
- Day of the Week, Day, Month, and Year
- 512Hz Frequency Outputs for On-Chip Crystal Compensation
- Software Alarm
- Settable to the Second, Minute, Hour, Day of the Week, Day, or Month
- Automatic Low-Drop Battery Switch for Longest Backup Life
- Power Failure Detection
- Battery ReSeal™ for Long Shelf Life
- I2C Bus™
- 400kHz Data Transfer Rate
- 800nA Battery Supply Current
- Small Package Option
- 8 Ld SOIC
- Pb-Free (RoHS Compliant)
Comparison
Applications
Documentation
Featured Documentation
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| Type | Title | Date |
| Datasheet | PDF 907 KB | |
| Brochure | PDF 5.41 MB 日本語 | |
| Product Change Notice | PDF 152 KB | |
| Other | PDF 188 KB | |
| Manual - Development Tools | PDF 815 KB | |
| Application Note | PDF 302 KB | |
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Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on the CAD Model links in the Product Options table. If a symbol or model isn't available, it can be requested directly from SamacSys.
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