DS1330ABP-70

Product Overview

Category: Integrated Circuit (IC)

Use: Real-Time Clock (RTC) with Non-Volatile RAM (NVRAM)

Characteristics: - Low-power CMOS technology - 32K x 8 non-volatile static RAM - I2C serial interface - Battery backup for continuous timekeeping - Automatic power-fail detect and switch circuitry - Industrial temperature range (-40°C to +85°C) - Small package size (8-pin SOIC)

Package: 8-pin Small Outline Integrated Circuit (SOIC)

Essence: The DS1330ABP-70 is a real-time clock IC that combines a non-volatile static RAM with a real-time clock/calendar, providing accurate timekeeping even during power interruptions.

Packaging/Quantity: The DS1330ABP-70 is available in tape and reel packaging. The quantity per reel is typically 2500 units.

Specifications

• Supply Voltage: 2.7V to 5.5V
• Timekeeping Current: 400nA (typical)
• Operating Temperature Range: -40°C to +85°C
• Clock Accuracy: ±2 minutes per month at 25°C
• Data Retention: >10 years
• Memory Organization: 32K x 8 bits
• Serial Interface: I2C

Detailed Pin Configuration

The DS1330ABP-70 has the following pin configuration:

1. VCC - Power supply voltage
2. GND - Ground
3. SDA - Serial data input/output for I2C communication
4. SCL - Serial clock input for I2C communication
5. WP - Write protect input
6. NC - No connection
7. CE - Chip enable input
8. VBAT - Battery backup voltage input

Functional Features

• Real-time clock/calendar with leap year compensation
• Battery backup for continuous timekeeping during power loss
• Automatic power-fail detect and switch circuitry
• Non-volatile static RAM for data storage
• I2C serial interface for easy integration with microcontrollers

Advantages and Disadvantages

Advantages: - Accurate timekeeping even during power interruptions - Low-power consumption - Small package size for space-constrained applications - Easy integration with microcontrollers using the I2C interface

Disadvantages: - Clock accuracy may vary with temperature - Limited memory capacity (32K x 8 bits)

Working Principles

The DS1330ABP-70 utilizes a low-power CMOS technology to provide real-time clock functionality. It incorporates a non-volatile static RAM that retains data even when power is lost. The IC is powered by a supply voltage and also features a battery backup option for continuous timekeeping during power failures. The I2C serial interface allows for easy communication with microcontrollers.

Detailed Application Field Plans

The DS1330ABP-70 can be used in various applications, including but not limited to: - Embedded systems requiring accurate timekeeping - Data loggers and event recorders - Industrial automation and control systems - Medical devices - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the DS1330ABP-70 include: - DS1307 - DS3231 - PCF8563 - MCP7940N - RV-8803-C7

These alternative models offer similar real-time clock functionality with varying features and specifications.

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