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DS1302/

Trickle Charge Timekeeping Chip

Partnumber Manufacturer Quantity Availability
DS1302/,DS1302 200 In Stock

Description and Introduction

Trickle Charge Timekeeping Chip The DS1302 is a trickle-charge timekeeping chip manufactured by Maxim Integrated. Here are its key specifications:

1. **Functionality**:
   - Real-time clock (RTC) counts seconds, minutes, hours, date, month, day of the week, and year with leap-year compensation.
   - 31 x 8 battery-backed general-purpose RAM.

2. **Communication Interface**:
   - Serial interface for communication with a microcontroller.
   - Uses a simple 3-wire interface (data I/O, SCLK, CE/RST).

3. **Power Supply**:
   - Operates from 2.0V to 5.5V.
   - Low power consumption: less than 300nA in battery backup mode.

4. **Clock Accuracy**:
   - ±2ppm from 0°C to +40°C (±10ppm from -40°C to +85°C).

5. **Trickle Charger**:
   - Includes a programmable trickle charger for rechargeable batteries or supercapacitors.

6. **Package Options**:
   - Available in 8-pin DIP or SO packages.

7. **Temperature Range**:
   - Commercial: 0°C to +70°C.
   - Industrial: -40°C to +85°C.

8. **Additional Features**:
   - Automatic power-fail detect and switch circuitry.
   - 24-hour or 12-hour format with AM/PM indicator.

(Source: Maxim Integrated DS1302 datasheet)

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