DS1302Z+ - Brand New Maxim Integrated Real-time Clocks (RTC)
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Description
The DS1302Z+ is a real-time clock (RTC) chip that includes a real-time clock/calendar and 31 bytes of static RAM. It operates in either 24-hour or 12-hour format with an AM/PM indicator, providing seconds, minutes, hours, day, date, month, and year information with leap-year compensation valid up to 2100. The clock automatically adjusts the end-of-month date for months with fewer than 31 days, including corrections for leap year. Communication with the microprocessor is easy through synchronous serial communication, and only three wires (CE, I/O, and SCLK) are required. It can transfer data to and from the clock/RAM 1 byte at a time or in a burst of up to 31 bytes. The DS1302Z+ is designed to operate on very low power and retain data and clock information on less than 1µW. Additionally, the DS1302Z+ has the additional features of dual power pins for primary and backup power supplies, programmable trickle charger for VCC1, and seven additional bytes of scratchpad memory, making it the successor to the DS1202.
Specifications and features
- Real-Time Clock Counts: Seconds, Minutes, Hours, Date of the Month, Month, Day of the Week, and Year with Leap-Year Compensation up to 2100
- 31 x 8 RAM for Scratchpad Data Storage
- Serial I/O for Minimum Pin Count
- 2.0V to 5.5V Full Operation
- Single-Byte or Multiple-Byte (Burst Mode) Data Transfer for Read or Write of Clock or RAM Data
- 8-Pin DIP or Optional 8-Pin SO for Surface Mount
- Simple 3-Wire Interface
- TTL-Compatible (VCC = 5V)
- Optional Industrial Temperature Range: -40°C to +85°C
Application Scenarios
The DS1302Z+ is commonly used in electronic devices where real-time clock/calendar features are required, such as security systems, vending machines, and gaming machines. Its low power consumption is ideal for battery-operated devices.
Comparison
Advantages- Very low power consumption
- Easy to communicate with microprocessors through synchronous serial communication
- Retains data and clock information on less than 1µW
- Programmable trickle-charger for VCC1
- Dual power pins for primary and backup power supplies
- Seven additional bytes of scratchpad memory compared to its predecessor, the DS1202
Disadvantages- Limited storage capacity with only 31 bytes of static RAM
- May not be suitable for devices requiring large amounts of data storage
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Similar parts: 1405 , Click to view
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Datasheet
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Shopping guide
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Popular parts of the same kind
- Datasheet: Download DS1302Z+
- Chipdatas Part: CD86-DS1302Z+
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/05/20 18:13 +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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