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MFG:MICROCHIP  Package Cooled:1200  D/C:99+  

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Part Number: HCS410

 

MFG: MICROCHIP

Package Cooled: 1200

D/C: 99+

Description: The HCS410 is a code hopping transponder device designed for secure entry systems. The HCS410 utilizes...


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HCS410 General Description


The HCS410 is a code hopping transponder device designed for secure entry systems. The HCS410 utilizes the patented KEELOQ code hopping system and bi-directional challenge-and-response for logical and physical access control. High security learning mechanisms make this a turnkey solution when used with the KEELOQ decoders. The encoder keys and synchronization information are stored in protected on-chip EEPROM.

A low cost batteryless transponder can be implemented with the addition of an inductor and two capacitors. A packaged module including the inductor and capacitor will also be offered.

A single HCS410 can be used as an encoder for Remote Keyless Entry (RKE) and a transponder for immobilization in the same circuit and thereby dramatically reducing the cost of hybrid transmitter/transponder circuits.

HCS410 Maximum Ratings

Symbol
Item
Rating
Units
VDD
Supply voltage
-0.3 to 6.6
V
VIN*
Input voltage
-0.3 to VDD + 0.3
V
VOUT
Output voltage
-0.3 to VDD + 0.3
V
IOUT
Max output current
50
mA
TSTG
Storage temperature
-55 to +125
C (Note)
TLSOL
Lead soldering temp
300
C (Note)
VESD
ESD rating (Human Body Model)
4000
V
Note: Stresses above those listed under "ABSOLUTE MAXIMUM RATINGS" may cause permanent damage to the device.
* If a battery is inserted in reverse, the protection circuitry switches on, protecting the device and draining the battery.

HCS410 Features

Security
• Two programmable 64-bit encoder keys
• 16/32-bit bi-directional challenge and response using one of two keys
• 69-bit transmission length
• 32-bit unidirectional code hopping, 37-bit nonencrypted portion
• Encoder keys are read protected
• Programmable 28/32-bit serial number
• 60/64-bit, read-protected seed for secure learning
• Three IFF encryption algorithms
• Delayed increment mechanism
• Asynchronous transponder communication
• Queuing information transmitted Operating
• 2.0V to 6.6V operation, 13V encoder only
operation
• Three switch inputs [S2, S1, S0]-seven functions
• Batteryless bi-directional transponder
• Selectable baud rate and code word blanking
• Automatic code word completion
• Battery low signal transmitted
• Nonvolatile synchronization
• PWM or Manchester RF encoding
• Combined transmitter, transponder operation
• Anti-collision of multiple transponders
• Passive proximity activation
• Device protected against reverse battery
• Intelligent damping for high Q LC-circuits
Other
• 37-bit nonencrypted part contains 28/32-bit serial number, 4/0-bit function code, 1-bit battery low, 2-bit CRC, 2-bit queue
• Simple programming interface
• On-chip tunable RC oscillator (±10%)
• On-chip EEPROM
• 64-bit user EEPROM in transponder mode
• Battery-low LED indication
• SQTP serialization quick-time programming
• 8-pin PDIP/SOIC/TSSOP and die

HCS410 Typical Application

• Automotive remote entry systems
• Automotive alarm systems
• Automotive immobilizers
• Gate and garage openers
• Electronic door locks (Home/Office/Hotel)
• Burglar alarm systems
• Proximity access control

HCS410 Connection Diagram

HCS410  Connection Diagram

HCS410 datasheet

HCS410
PDF/DataSheet Download

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