Overview
Description
The ISL12057 device is a low-power, real-time clock that is pin compatible and functionally equivalent to Maxim DS1337 with clock/calendar and alarm function. The oscillator uses an external, low-cost 32. 768kHz crystal with 6pF load capacitance. 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 Maxim DS1337
- Functionally Equivalent to Maxim DS1337
- Real-Time Clock/Calendar
- Tracks Time in Hours, Minutes, and Seconds
- Day of the Week, Date, Month, and Year
- Dual Interrupts for Frequency Output and Alarm interrupts
- Four Selectable Frequency Outputs
- Two Alarms
- Settable to the Second, Minute, Hour, Day of the Week, and Date
- I2C Interface
- 400kHz Data Transfer Rate
- Small Package Options
- 8 Ld 2mmx2mm UTDFN
- 8 Ld MSOP
- 8 Ld SOIC
- Pb-Free (RoHS Compliant)
Comparison
Applications
Documentation
Featured Documentation
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| Type | Title | Date |
| Datasheet | PDF 901 KB | |
| Brochure | PDF 5.41 MB 日本語 | |
| Product Change Notice | PDF 178 KB | |
| Product Advisory | PDF 363 KB | |
| Product Change Notice | PDF 152 KB | |
| Product Change Notice | PDF 117 KB | |
| Other | PDF 232 KB | |
| Manual - Development Tools | PDF 815 KB | |
| Application Note | PDF 302 KB | |
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Design & Development
Software & Tools
Boards & Kits
Evaluation
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 functions. Renesas offers a large portfolio of RTC devices with features including a crystal oscillator, clock and date...
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Models
ECAD Models
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.
Product Options
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