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HCS300/SN021 PDF预览

HCS300/SN021

更新时间: 2024-11-07 14:42:31
品牌 Logo 应用领域
美国微芯 - MICROCHIP 电信光电二极管电信集成电路
页数 文件大小 规格书
28页 400K
描述
TELECOM, DATA ENCRYPTION CIRCUIT, PDSO8, 0.150 INCH, PLASTIC, SOIC-8

HCS300/SN021 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:5Is Samacsys:N
JESD-30 代码:R-PDSO-G8JESD-609代码:e3
湿度敏感等级:1功能数量:1
端子数量:8最高工作温度:70 °C
最低工作温度: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:COMMERCIAL端子面层:Matte Tin (Sn)
端子形式:GULL WING端子位置:DUAL
处于峰值回流温度下的最长时间:40Base Number Matches:1

HCS300/SN021 数据手册

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HCS300  
®
KEELOQ Code Hopping Encoder  
FEATURES  
Security  
DESCRIPTION  
The HCS300 from Microchip Technology Inc. is a code  
hopping encoder designed for secure Remote Keyless  
Entry (RKE) systems. The HCS300 utilizes the KEELOQ  
code hopping technology, incorporating high security, a  
small package outline and low cost. The HCS300 is a  
perfect solution for unidirectional remote keyless entry  
systems and access control systems.  
• Programmable 28-bit serial number  
• Programmable 64-bit encryption key  
• Each transmission is unique  
• 66-bit transmission code length  
• 32-bit hopping code  
• 28-bit serial number, 4-bit button code, 2-bit status  
• Crypt keys are read protected  
PACKAGE TYPES  
PDIP, SOIC  
Operating  
8
7
6
5
VDD  
S0  
S1  
1
2
3
4
• 2.0V - 6.3V operation  
LED  
PWM  
VSS  
• Four button inputs  
• No additional circuitry required  
• 15 functions available  
S2  
S3  
• Selectable baud rate  
• Automatic code word completion  
• Low battery signal transmitted to receiver  
• Non-volatile synchronization data  
HCS300 BLOCK DIAGRAM  
Oscillator  
Power  
latching  
and  
Other  
Controller  
RESET circuit  
switching  
• Easy-to-use programming interface  
• On-chip EEPROM  
LED  
LED driver  
• On-chip oscillator and timing components  
• Button inputs have internal pull-down resistors  
• Current limiting on LED output  
• Low external component cost  
EEPROM  
Encoder  
PWM  
32-bit shift register  
Button input port  
Typical Applications  
The HCS300 is ideal for Remote Keyless Entry (RKE)  
applications. These applications include:  
VSS  
VDD  
• Automotive RKE systems  
• Automotive alarm systems  
• Automotive immobilizers  
• Gate and garage door openers  
• Identity tokens  
S3 S2 S1 S0  
The HCS300 combines a 32-bit hopping code,  
generated by a nonlinear encryption algorithm, with a  
28-bit serial number and 6 information bits to create a  
66-bit code word. The code word length eliminates the  
threat of code scanning and the code hopping mecha-  
nism makes each transmission unique, thus rendering  
code capture and resend schemes useless.  
• Burglar alarm systems  
2001 Microchip Technology Inc.  
DS21137F-page 1  

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