Alcatel 90-0641-04 Alarm Clock Card

Overview
The Alcatel 90-0641-04 Alarm Clock Card is a compact, high-reliability timing module designed for integration into a wide range of electronic devices. Engineered by Alcatel, a trusted name in telecommunications hardware, this card provides precise alarm and wake-up functionality while occupying minimal board space. Its robust construction makes it suitable for both consumer and industrial applications where dependable time-keeping is essential.

Key Features

• Integrated real-time clock with battery backup for uninterrupted operation
• Programmable alarm output with adjustable trigger intervals
• Low power consumption to extend battery life in portable devices
• Compact form factor compatible with standard 90-series backplane slots
• Easy configuration via simple I2C interface
• Temperature range operation from -40 degrees to +85 degrees Celsius

Technical Specifications

• Model/Part Number: 90-0641-04
• Manufacturer: Alcatel
• Supply Voltage: 3.3 V DC
• Current Consumption: typical 1.5 mA (active), 0.5 uA (standby)
• Alarm Resolution: 1 second
• Battery Backup: 3 V coin cell, up to 5 years retention
• Interface: I2C compatible, 100 kHz maximum clock
• Operating Temperature: -40 degrees to +85 degrees Celsius
• Dimensions: 45 mm x 30 mm x 5 mm (L x W x H)

Applications
The Alarm Clock Card is ideal for use in portable media players, set-top boxes, industrial control panels, remote monitoring equipment, and any embedded system that requires reliable alarm timing. Its low power profile and rugged temperature tolerance also make it a perfect fit for automotive infotainment units, smart home hubs, and medical devices where precise scheduling is critical.