PCF85162T/1,118

Product Overview

Category

The PCF85162T/1,118 belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for real-time clock (RTC) applications.

Characteristics

• Low power consumption
• High accuracy
• Small package size
• I2C-bus interface compatibility

Package

The PCF85162T/1,118 is available in a small outline package (SOT96-1), which is also known as TSSOP8.

Essence

The essence of this product lies in its ability to provide accurate timekeeping functionality in various electronic devices.

Packaging/Quantity

The PCF85162T/1,118 is typically packaged in reels and comes in quantities of 2500 units per reel.

Specifications

• Supply voltage: 1.8V to 5.5V
• Operating temperature range: -40°C to +85°C
• Clock frequency: 100kHz
• Timekeeping accuracy: ±3 minutes per month at 25°C

Detailed Pin Configuration

The PCF85162T/1,118 has a total of 8 pins, which are assigned specific functions as follows:

1. VDD - Power supply voltage input
2. SDA - Serial data input/output for I2C communication
3. SCL - Serial clock input for I2C communication
4. GND - Ground reference
5. X1 - Crystal oscillator input
6. X2 - Crystal oscillator output
7. RESET - Reset input
8. INT - Interrupt output

Functional Features

• Real-time clock with date and time registers
• Programmable alarm and timer functions
• Automatic leap year compensation
• Power-on reset function
• Low battery detection

Advantages and Disadvantages

Advantages

• Low power consumption extends battery life in portable devices
• High accuracy ensures precise timekeeping
• Small package size allows for space-saving designs
• I2C-bus interface compatibility enables easy integration with other ICs

Disadvantages

• Limited timekeeping accuracy at extreme temperatures
• Requires an external crystal oscillator for clock operation

Working Principles

The PCF85162T/1,118 operates based on the principles of real-time clock functionality. It utilizes an internal oscillator and registers to keep track of time and date information. The I2C-bus interface allows for communication with a microcontroller or other devices.

Detailed Application Field Plans

The PCF85162T/1,118 finds applications in various electronic devices that require accurate timekeeping. Some potential application fields include:

1. Consumer electronics: Digital clocks, watches, and timers
2. Automotive: Dashboard clocks, car audio systems
3. Industrial automation: Programmable logic controllers (PLCs), data loggers
4. Medical devices: Patient monitoring systems, infusion pumps
5. Home automation: Smart thermostats, security systems

Detailed and Complete Alternative Models

1. PCF8563TS/1,118 - Real-time clock IC with additional features like temperature compensation and battery backup.
2. DS1307 - Popular real-time clock IC with similar functionality and I2C-bus interface compatibility.
3. MCP7940N - Real-time clock IC with integrated EEPROM memory for storing additional data.

Note: This is not an exhaustive list of alternative models, but provides some examples.

In conclusion, the PCF85162T/1,118 is a versatile real-time clock IC that offers high accuracy and low power consumption. Its small package size and I2C-bus interface compatibility make it suitable for various electronic applications. However, it has limitations in extreme temperature conditions and requires an external crystal oscillator for clock operation.