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HCS361 PDF预览

HCS361

更新时间: 2024-01-21 12:31:23
品牌 Logo 应用领域
美国微芯 - MICROCHIP 编码器
页数 文件大小 规格书
24页 328K
描述
KEELOQ CODE HOPPING ENCODER

HCS361 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:SOIC
包装说明:SOP,针数:8
Reach Compliance Code:compliantHTS代码:8542.39.00.01
风险等级:5.07JESD-30 代码:R-PDSO-G8
JESD-609代码:e3长度:4.9 mm
湿度敏感等级:1功能数量:1
端子数量:8最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:1.75 mm
最大压摆率:1.6 mA标称供电电压:5 V
表面贴装:YES电信集成电路类型:DATA ENCRYPTION CIRCUIT
温度等级:INDUSTRIAL端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:3.9 mmBase Number Matches:1

HCS361 数据手册

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M
HCS361  
Code Hopping Encoder*  
FEATURES  
PACKAGE TYPES  
PDIP, SOIC  
Security  
8
7
6
5
VDD  
LED  
PWM  
VSS  
S0  
1
2
3
4
• Programmable 28/32-bit serial number  
• Programmable 64-bit encryption key  
• Each transmission is unique  
• 67-bit transmission code length  
• 32-bit hopping code  
• 35-bit fixed code (28/32-bit serial number,  
4/0-bit function code, 1-bit status, 2-bit CRC)  
• Encryption keys are read protected  
S1  
S2  
S3  
Operating  
HCS361 BLOCK DIAGRAM  
• 2.0-6.6V operation  
• Four button inputs  
- 15 functions available  
Oscillator  
Power  
latching  
and  
Controller  
Reset circuit  
switching  
• Selectable baud rate  
LED  
LED driver  
• Automatic code word completion  
• Battery low signal transmitted to receiver  
• Nonvolatile synchronization data  
• PWM and VPWM modulation  
EEPROM  
Encoder  
Other  
PWM  
• Easy to use programming interface  
• On-chip EEPROM  
32-bit shift register  
• On-chip oscillator and timing components  
• Button inputs have internal pulldown resistors  
• Current limiting on LED output  
• Minimum component count  
VSS  
Button input port  
VDD  
Enhanced Features Over HCS300  
S2  
S3  
S1 S0  
• 48-bit seed vs. 32-bit seed  
• 2-bit CRC for error detection  
• 28/32-bit serial number select  
Two seed transmission methods  
• PWM and VPWM modulation  
• Wake-up signal in VPWM mode  
• IR modulation mode  
DESCRIPTION  
The HCS361 is a code hopping encoder designed for  
secure Remote Keyless Entry (RKE) systems. The  
HCS361 utilizes the KEELOQ code hopping technology,  
which incorporates high security, a small package  
outline and low cost, to make this device a perfect  
solution for unidirectional remote keyless entry systems  
and access control systems.  
Typical Applications  
The HCS361 is ideal for Remote Keyless Entry (RKE)  
applications. These applications include:  
The HCS361 combines  
a 32-bit hopping code  
• Automotive RKE systems  
• Automotive alarm systems  
• Automotive immobilizers  
• Gate and garage door openers  
• Identity tokens  
generated by a nonlinear encryption algorithm, with a  
28/32-bit serial number and 7/3 status bits to create a  
67-bit transmission stream. The length of the  
transmission eliminates the threat of code scanning  
and the code hopping mechanism makes each  
transmission unique, thus rendering code capture and  
resend (code grabbing) schemes useless.  
• Burglar alarm systems  
KEELOQ is a trademark of Microchip Technology Inc.  
*Code hopping encoder patents issued in Europe, U. S. A., R. S. A. — US: 5,517,187; Europe: 0459781  
1996 Microchip Technology Inc.  
Preliminary  
DS40146C-page 1  

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