UR5HC418-FN Datasheet PDF - Semtech Corporation

DESCRIPTION
The DeskCoderTM keyboard encoder functions as a versatile, low-power desktop keyboard encoder, while providing two bi-directional channels for communication with a BIOS-compatible system as well as any optional keyboard-compatible devices, such as a 101/102/104 desktop keyboard, OCR, barcode reader, etc.

FEATURES
• Implements all functions of a 101/102/104 keyboard
• Low-power HCMOS microcontroller, suitable for 3-volt battery-operated systems
• Available in DIP, PLCC and QFP packages
• Custom versions available in small or large quantities
• Interfaces contact switch matrix keyboards to a BIOS-compatible system
• Single IC desktop keyboard encoder
• Provides interface for an external keyboard/keypad or other 8042-compatible devices
• AT / PS/2 - compatible

APPLICATIONS
• Desktop computers
• Instrumentation
• Industrial keyboards
• Point of sales terminals
• Public information kiosks