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Product Detailed Parameters
- Description：IC RTC CLK/CALENDAR I2C 14SOP
- Series：RX-8571SA
- Package：Tape & Reel (TR),Cut Tape (CT)
- Mfr：EPSON
- Type：Clock/Calendar
- Features：Alarm, Leap Year, RAM
- Memory Size：16B
- Time Format：HH:MM:SS (24 hr)
- Date Format：YY-MM-DD-dd
- Interface：I2C, 2-Wire Serial
- Voltage - Supply：1.6V ~ 5.5V
- Voltage - Supply, Battery：-
- Current - Timekeeping (Max)：0.55µA ~ 0.6µA @ 3V ~ 5V
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Grade：-
- Qualification：-
- Package / Case：14-SOIC (0.197", 5.00mm Width)
- Supplier Device Package：14-SOP
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Overview
The RX-8571SA:B3 PURE SN is a Real Time Clock (RTC) IC from the Epson RX-8571SA series. It features an I2C bus interface and supports date formats of YY-MM-DD-dd and time formats of HH:MM:SS (24-hour). The device includes 16 bytes of storage capacity and offers alarm, leap year, and RAM functions. It operates within a supply voltage range of 1.6 V to 5.5 V and functions at temperatures between -40°C and +85°C. The component is housed in a 14-SOP package.
Feature Summary
- Supports I2C two-wire serial communication for data exchange.
- Provides calendar and clock functionality with alarm capabilities.
- Includes internal RAM for user-defined data storage.
Applications
- Industrial control systems requiring precise timekeeping
- Consumer electronics with battery backup needs
- Automotive infotainment and monitoring units
Procurement Notes
Verify the specific suffix B3 against official Epson documentation to confirm package type and tape/reel specifications. Ensure compatibility with system voltage levels ranging from 1.6V to 5.5V. Confirm RoHS compliance status through current manufacturer datasheets before finalizing procurement orders.
Selection Notes
Select this component when an I2C-compatible RTC with low power consumption is required. The 14-SOP package suits surface-mount applications. Consider the operating temperature range of -40°C to +85°C for environmental suitability. Verify that the 16-byte RAM meets specific data logging requirements.
Part Context
This part belongs to the Epson RX-8571SA series of real-time clocks. The series is designed for general-purpose timing applications. The SA variant typically denotes specific packaging or performance characteristics within the broader product line. It serves as a drop-in replacement for similar I2C RTCs in existing designs.
Replacement Considerations
Check for direct substitutes within the RX-8571 family, such as the RX-8571LC or RX-8571NB variants, ensuring pinout and package compatibility. Verify electrical parameters match the original design requirements before substitution.
