BQ4845S-A4 - Benchmarq

Manufacturer Part Number

BQ4845S-A4

Manufacturer

Texas Instruments

Introduction

The BQ4845S-A4 is a real-time clock/calendar integrated circuit.

Product Features and Performance

Clock/Calendar functionality

Features alarm, daylight savings, leap year correction

Supervisor and watchdog timer functionalities

12/24-hour time format

YY-MM-DD-dd date format

Parallel interface for communication

Product Advantages

Integrated features for comprehensive timekeeping and system management

Supervisor and watchdog improve system reliability

Key Technical Parameters

Voltage supply range: 4.75V to 5.5V

Battery voltage supply range: 2.3V to 4V

Maximum current for timekeeping: 1.5mA at 4.5V to 5.5V

Operating temperature range: 0°C to 70°C

28-SOIC surface mount package

Quality and Safety Features

Robust design with a wide voltage supply range

Compatibility

Parallel interface compatible with various microcontrollers and systems

Application Areas

Computer systems

Consumer electronics

Embedded systems for timekeeping and system management

Product Lifecycle

Obsolete product

Replacement or upgrade options may be available

Several Key Reasons to Choose This Product

Comprehensive real-time clock/calendar features from a trusted manufacturer

Integration of helpful functions such as alarm and watchdog timer

Operating temperature and voltage ranges suitable for various applications

Surface mount 28-SOIC package for compact PCB design