M41ST85WMX6TR - Brand New ST Real-time Clocks (RTC)
In Stock:100 ,Ready for Immediate Shipping
New
RoSH Lead free
In Stock:
100,
Ready for Immediate Shipping
Brand:ST
Category:Real-time Clocks (RTC)
Chipdatas Part No.:CD82-M41ST85WMX6TR
Manufacturer Part No.:M41ST85WMX6TR
Datecode:09+
Package:SOX-28
$10.81320 /pcs
Each disc contains 1000 pcs
≥1:
$10.81315
≥10:
$10.70502
≥50:
$10.59689
≥100:
$10.27250
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Description
The M41ST85WMX6TR is a combination Serial Real-Time Clock, Microprocessor Supervisor, and NVRAM Supervisor. It is built in a low power CMOS SRAM process and has a 64-byte memory space with 44 bytes of NVRAM and 20 memory-mapped RTC registers. This component features automatic battery switchover, WRITE protect, 400kHz I2C serial interface, and ultra-low battery supply current of 500nA (max).
Specifications and features
- Automatic battery switchover and WRITE protect for internal serial RTC and external low power SRAM (LPSRAM)
- 400kHz I2C serial interface
- 3.0/3.3V operating voltage - VCC= 2.7 to 3.6V
- Ultra-low battery supply current of 500nA (max)
- RoHS compliant - Lead-free second level interconnect
- 44 bytes of general purpose NVRAM
- Counters for seconds, minutes, hours, day, date, month, and year, century, 10ths/100ths of seconds.
- Clock calibration register allows compensation for crystal variations over temperature
- Programmable alarm with repeat modes
- Power-down timestamp (HT Bit)
- 2.5 to 5.5V oscillator operating voltage
- Programmable watchdog with 62.5ms to 128s time-out period
- Early power-fail warning circuit (PFI/PFO) with 1.25V precision reference
- Power-on reset/low voltage detect with open drain reset output, reset voltage of VPFD= 2.60V (nom), and two reset input pins
- Watchdog can be steered to reset output
Application Scenarios
The M41ST85WMX6TR is commonly used in systems that require accurate timekeeping with a low power consumption rate. It is suitable for IoT devices, medical equipment, data loggers, and small appliances.
Comparison
Advantages- Ultra-low battery supply current of 500nA (max)
- Programmable alarm with repeat modes
- Clock calibration register allows compensation for crystal variations over temperature
- Early power-fail warning circuit with 1.25V precision reference
- Power-on reset/low voltage detect with open drain reset output
Disadvantages- Limited memory space with only 44 bytes of NVRAM
- Low operating voltage range of 3.0/3.3V
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Similar parts: 1405 , Click to view
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Datasheet
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Shopping guide
Delivery period:
- - Will ship out in 2-3 days
- - DHL Express: 3-7 business days
- - DHL eCommerce: 12-22 business days
- - FedEx International Priority: 3-7 business days
- - EMS: 10-15 business days
Shipping fee:
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Shipping option:
DHL, FedEx, EMS, SF Express, and Registered Air MailShipping tracking:
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How to Buy:
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Additional Information
- Datasheet: Download M41ST85WMX6TR
- Chipdatas Part: CD82-M41ST85WMX6TR
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/12 08:20 +0800
Refund
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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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Payment Method
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