DS1302Z+T&R/C07

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Real-Time Clock (RTC) Module
• Characteristics:
  • Low power consumption
  • Simple interface
  • Accurate timekeeping
• Package: T&R (Tape and Reel)
• Essence: Clock module with battery backup
• Packaging/Quantity: 3,000 units per reel

Specifications

• Supply Voltage: 2.0V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Clock Frequency: 31.25 kHz
• Timekeeping Current: Less than 1.5μA at 3.0V
• Battery Backup Current: Less than 200nA at 3.0V
• Data Retention: Over 10 years

Detailed Pin Configuration

The DS1302Z+T&R/C07 has a total of 8 pins. The pin configuration is as follows:

| Pin Name | Description | |----------|-------------| | VCC | Power supply voltage input | | GND | Ground connection | | CLK | Clock signal input/output | | RST | Reset signal input | | DAT | Data signal input/output | | CE | Chip enable input | | SCLK | Serial clock input | | IO | Bidirectional data input/output |

Functional Features

• Real-time clock with battery backup
• 31 bytes of general-purpose RAM
• Programmable square wave output
• Trickle charger for battery backup
• 24-hour or 12-hour format selection
• Leap year compensation up to the year 2100

Advantages and Disadvantages

Advantages: - Low power consumption - Accurate timekeeping - Simple interface

Disadvantages: - Limited RAM capacity - No built-in temperature compensation

Working Principles

The DS1302Z+T&R/C07 is a real-time clock module that utilizes an external 32.768 kHz crystal oscillator to keep track of time. It operates by continuously counting the number of clock pulses and updating the time registers accordingly. The module also features a battery backup system, which ensures that the clock continues to run even when the main power supply is disconnected.

Detailed Application Field Plans

The DS1302Z+T&R/C07 is widely used in various applications that require accurate timekeeping. Some of the common application fields include: - Digital clocks and watches - Electronic calendars - Timers and alarms - Data loggers - Industrial automation systems

Detailed and Complete Alternative Models

• DS3231: Real-Time Clock Module with I2C interface
• PCF8563: Real-Time Clock Module with I2C interface
• MCP7940N: Real-Time Clock Module with SPI interface
• DS1337: Real-Time Clock Module with I2C interface
• DS3234: Real-Time Clock Module with SPI interface

Note: These alternative models offer similar functionality but may have different specifications and pin configurations.

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