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Description
The AX6902ERA is an IC chip in the electronic component category. It is a SPI™-compatible real-time clock that features a clock/calendar and static random-access memory (SRAM). The clock provides accurate time, date, and month information, and includes a programmable ALARM. It is designed for operation in both 24-hour and 12-hour formats and can operate within a voltage range of +2V to +5.5V. The AX6902ERA is available in the ultra-small 8-pin TDFN package and can withstand temperatures ranging from -40°C to +85°C.
Specifications and features
- Real-Time Clock: Provides seconds, minutes, hours, day, date, month, year, and century information
- Leap-Year Compensation: Valid up to year 2100
- Wide Operating Voltage Range: +2V to +5.5V
- SPI Interface: 4MHz at 5V; 1MHz at 2V
- SRAM: 31 x 8-bit for scratchpad data storage
- Watch Crystal: Uses standard 32.768kHz, 12.5pF
- Low Timekeeping Current: 400nA at 2V
- Data Transfer: Single-byte or multiple-byte (burst mode) for read or write operations
- Package: Ultra-small 8-pin 3mm x 3mm x 0.8mm TDFN
- Programmable ALARM Function: Time/date polled ALARM
- No External Crystal Bias Resistors or Capacitors Required
Application Scenarios
The AX6902ERA is commonly used in various applications, including:
- Point-of-Sale Equipment
- Intelligent Instruments
- Fax Machines
- Battery-Powered Products
- Portable Instruments
Comparison
Advantages- Accurate and reliable real-time clock
- Wide operating voltage range
- Ultra-small package size
- Low timekeeping current
Disadvantages- Requires a standard 32.768kHz watch crystal
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Datasheet
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Shopping guide
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Popular parts of the same kind
- Datasheet: Download AX6902ERA
- Chipdatas Part: CD88-AX6902ERA
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/09/20 00:16 +0800
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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The fee is charged according to the rule of PayPal.
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Western Union charge US$0.00 banking fee.
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