ISL12023IVZ-T

Product Overview

Category: Integrated Circuit (IC)

Use: Real-Time Clock (RTC) with Battery Backup

Characteristics: - Low-power RTC - Accurate timekeeping - Battery backup for continuous operation - I2C interface for easy integration - Small form factor

Package: SOIC (Small Outline Integrated Circuit)

Essence: The ISL12023IVZ-T is a real-time clock IC designed to provide accurate timekeeping in various electronic devices. It offers low power consumption and can operate using a battery backup, ensuring uninterrupted timekeeping even during power outages.

Packaging/Quantity: The ISL12023IVZ-T is available in a SOIC package and is typically sold in reels or tubes containing multiple units.

Specifications

• Supply Voltage: 1.8V to 5.5V
• Timekeeping Accuracy: ±5ppm (parts per million)
• Operating Temperature Range: -40°C to +85°C
• I2C Bus Interface: Supports standard and fast mode (up to 400kHz)
• Battery Backup Voltage Range: 1.3V to 5.5V
• Battery Backup Current: <1μA (microampere)

Detailed Pin Configuration

The ISL12023IVZ-T has a total of 8 pins:

1. VCC: Power supply input
2. GND: Ground connection
3. SDA: Serial Data Line for I2C communication
4. SCL: Serial Clock Line for I2C communication
5. IRQ: Interrupt output pin
6. BAT: Battery backup input
7. X1: Crystal oscillator input
8. X2: Crystal oscillator output

Functional Features

• Real-time clock with calendar functionality
• Alarm and timer functions
• Programmable square wave output
• Power management features for low-power operation
• Automatic leap year compensation
• Battery backup for continuous timekeeping

Advantages and Disadvantages

Advantages: - Accurate timekeeping with low power consumption - Battery backup ensures uninterrupted operation - Small form factor for easy integration into various devices - I2C interface simplifies communication with other components

Disadvantages: - Limited to applications requiring real-time clock functionality - Requires an external crystal oscillator for accurate timekeeping

Working Principles

The ISL12023IVZ-T utilizes an internal oscillator and a crystal oscillator to maintain accurate timekeeping. It communicates with the host device through the I2C bus, allowing the device to set and retrieve time and date information. The IC also includes power management features to minimize power consumption during operation.

Detailed Application Field Plans

The ISL12023IVZ-T is commonly used in electronic devices that require accurate timekeeping, such as:

1. Smartwatches and wearable devices
2. Industrial automation systems
3. Medical equipment
4. Automotive applications
5. Home automation systems
6. Consumer electronics

Detailed and Complete Alternative Models

1. DS3231 - Real-Time Clock IC with Temperature Compensation
2. PCF8563 - Real-Time Clock and Calendar IC
3. MCP7940N - Low-Power Real-Time Clock IC
4. RV-8803-C7 - Ultra-Low Power Real-Time Clock Module

These alternative models offer similar functionality to the ISL12023IVZ-T and can be considered as alternatives based on specific requirements and preferences.

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