DS1330BL-70IND

Product Overview

Category

The DS1330BL-70IND belongs to the category of integrated circuits (ICs).

Use

This product is primarily used for real-time clock (RTC) applications.

Characteristics

• The DS1330BL-70IND is a low-power, 32-bit binary counter RTC.
• It operates in the industrial temperature range (-40°C to +85°C).
• The device offers non-volatile timekeeping, eliminating the need for battery backup.
• It features a built-in power sense circuitry that detects power failures and automatically switches to backup power.

Package

The DS1330BL-70IND comes in a small outline integrated circuit (SOIC) package.

Essence

The essence of this product lies in its accurate timekeeping capabilities and low power consumption.

Packaging/Quantity

The DS1330BL-70IND is typically packaged in reels and available in quantities of 2500 units per reel.

Specifications

• Supply Voltage: 2.7V to 5.5V
• Timekeeping Current: 1.3μA (typical)
• Battery Backup Current: 500nA (typical)
• Clock Frequency: 32.768kHz
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOIC

Detailed Pin Configuration

The DS1330BL-70IND has a total of 8 pins:

1. VCC: Power supply input
2. GND: Ground reference
3. SDA: Serial data input/output
4. SCL: Serial clock input
5. SQW/OUT: Square wave output
6. RST: Reset input
7. X1: Crystal oscillator input
8. X2: Crystal oscillator output

Functional Features

• Real-time clock with non-volatile timekeeping
• Automatic power-fail detect and switch circuitry
• Programmable square wave output frequency
• 32-bit binary counter for timekeeping

Advantages and Disadvantages

Advantages

• Accurate timekeeping without the need for battery backup
• Low power consumption
• Industrial temperature range operation
• Compact SOIC package for space-constrained applications

Disadvantages

• Limited functionality compared to more advanced RTCs
• Lack of additional features such as alarms or timers

Working Principles

The DS1330BL-70IND utilizes a crystal oscillator to generate an accurate clock signal. It maintains timekeeping even during power failures by utilizing non-volatile memory. The device automatically switches to backup power when a power failure is detected, ensuring uninterrupted timekeeping.

Detailed Application Field Plans

The DS1330BL-70IND finds applications in various fields, including:

1. Consumer electronics: Used in digital watches, clocks, and appliances requiring accurate timekeeping.
2. Industrial automation: Integrated into control systems that require precise time synchronization.
3. Automotive: Incorporated into vehicle dashboard clocks and other time-related functions.
4. Medical devices: Utilized in medical equipment that relies on accurate timekeeping for data logging and synchronization.

Detailed and Complete Alternative Models

1. DS3231: A highly accurate RTC with additional features like alarms and temperature compensation.
2. PCF8563: An RTC with integrated alarm functions and I2C interface.
3. MCP7940N: A low-power RTC with battery backup and I2C/SPI interface.

These alternative models offer enhanced functionality and may be suitable for applications requiring additional features beyond basic timekeeping.

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