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The HCS200/P is a KEELOQ Code Hopping Encoder manufactured by Microchip Technology.

Specifications:

• Operating Voltage: 2.0V to 6.3V
• Operating Temperature Range: -40°C to +125°C
• Package Type: 8-Pin PDIP (Plastic Dual In-Line Package)
• Interface: Serial (Manchester encoded)
• Encryption: KEELOQ Hopping Code Technology
• Code Length: 66 bits (32-bit hopping code, 28-bit serial number, 6-bit button status)
• Transmission Frequency: Typically 2kHz to 20kHz (adjustable via external components)
• Low Power Consumption: Suitable for battery-operated applications

Descriptions:

The HCS200/P is a secure encoder IC designed for remote keyless entry (RKE) systems, garage door openers, and other wireless security applications. It utilizes KEELOQ code hopping technology to provide enhanced security by generating a unique transmission code each time a button is pressed.

Features:

• Secure Encryption: Uses the KEELOQ algorithm for rolling code security.
• Low Power Operation: Ideal for battery-powered devices.
• Four Input Buttons: Supports multiple function controls.
• Serial Manchester Output: Compatible with RF/IR transmission modules.
• Learn Mode: Allows pairing with receivers for secure communication.
• Wide Voltage Range: Operates from 2.0V to 6.3V.
• High Noise Immunity: Robust performance in RF environments.

This device is commonly used in automotive RKE systems, home security, and industrial wireless control applications.