Overview
The DS1302Z+ is a trickle-charge timekeeping chip produced by Analog Devices Inc./Maxim Integrated. This integrated circuit combines a real-time clock/calendar with 31 bytes of static RAM, making it a versatile component for various timing and data storage applications. The DS1302Z+ is designed to operate with very low power consumption and can retain data and clock information even when the primary power supply is interrupted, thanks to its dual power pins for primary and backup power supplies.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | NSOIC-8 |
| Supply Voltage Range | 2V to 5.5V |
| Operating Temperature Range | 0°C to 70°C |
| Memory | 31 bytes of static RAM |
| Communication Interface | 3-wire serial interface (CE, I/O, SCLK) |
| Time Format | HH:MM:SS, Day, Date, Month, Year |
| Leap Year Compensation | Valid up to 2100 |
| Power Consumption |
Key Features
- Real-time clock/calendar with automatic end-of-month date adjustment and leap year compensation.
- 31 bytes of static RAM for data storage.
- Dual power pins for primary and backup power supplies.
- Programmable trickle charger for VCC1.
- Seven additional bytes of scratchpad memory.
- Low power consumption, retaining data and clock information on less than 1μW.
- UL recognized.
- Supports both 24-hour and 12-hour clock formats with AM/PM indicator.
Applications
The DS1302Z+ is primarily used in clock and timing applications. It is suitable for any system that requires accurate timekeeping and data storage, such as embedded systems, industrial control systems, and consumer electronics.
Q & A
- What is the primary function of the DS1302Z+? The DS1302Z+ is a real-time clock/calendar chip with additional static RAM for data storage.
- What is the supply voltage range for the DS1302Z+? The supply voltage range is from 2V to 5.5V.
- How does the DS1302Z+ handle leap years? The DS1302Z+ automatically adjusts for leap years up to the year 2100.
- What type of communication interface does the DS1302Z+ use? The DS1302Z+ uses a 3-wire serial interface (CE, I/O, SCLK).
- Can the DS1302Z+ operate in low power mode? Yes, it can operate on less than 1μW in low power mode.
- What is the operating temperature range of the DS1302Z+? The operating temperature range is from 0°C to 70°C.
- Does the DS1302Z+ support both 24-hour and 12-hour clock formats? Yes, it supports both formats with an AM/PM indicator for the 12-hour format.
- How much static RAM does the DS1302Z+ have? The DS1302Z+ has 31 bytes of static RAM.
- What is the purpose of the dual power pins on the DS1302Z+? The dual power pins are for primary and backup power supplies, ensuring data and clock information are retained during power interruptions.
- Is the DS1302Z+ UL recognized? Yes, the DS1302Z+ is UL recognized.
