Table of Contents
1 特性................................................................................... 1
2 应用................................................................................... 1
3 说明................................................................................... 1
4 Revision History.............................................................. 2
5 Pin Configuration and Functions...................................3
Pin Functions.................................................................... 3
6 Specifications.................................................................. 4
6.1 Absolute Maximum Ratings ....................................... 4
6.2 ESD Ratings .............................................................. 4
6.3 Recommended Operating Conditions ........................4
6.4 Thermal Information ...................................................4
6.5 Electrical Characteristics ............................................5
6.6 Timing Characteristics ................................................5
6.7 Switching Characteristics ...........................................6
6.8 Operating Characteristics .......................................... 6
6.9 Typical Characteristics................................................ 7
7 Parameter Measurement Information............................ 8
8 Detailed Description........................................................9
8.1 Overview..................................................................... 9
8.2 Functional Block Diagram........................................... 9
8.3 Feature Description.....................................................9
8.4 Device Functional Modes..........................................10
9 Application and Implementation.................................. 11
9.1 Application Information..............................................11
9.2 Typical Application.................................................... 11
9.3 Application Curve......................................................13
10 Power Supply Recommendations..............................14
11 Layout........................................................................... 14
11.1 Layout Guidelines................................................... 14
11.2 Layout Example...................................................... 14
12 Device and Documentation Support..........................16
12.1 Documentation Support.......................................... 16
12.2 接收文档更新通知................................................... 16
12.3 支持资源..................................................................16
12.4 Trademarks............................................................. 16
12.5 Electrostatic Discharge Caution..............................16
12.6 术语表..................................................................... 16
13 Mechanical, Packaging, and Orderable
Information.................................................................... 16
4 Revision History
注：以前版本的页码可能与当前版本的页码不同
Changes from Revision A (June 2021) to Revision B (October 2021) Page
• 向“器件信息”表添加了 RKS 器件....................................................................................................................1
• Added RKS package to pinout image and table................................................................................................. 3
• Added RKS package to specification tables....................................................................................................... 4
• Added example layout for the RKS package.................................................................................................... 14
Changes from Revision * (March 2021) to Revision A (June 2021) Page
• 将“应用信息”更改为“量产数据”.................................................................................................................. 1
SN74HCS273
ZHCSNM4B – MARCH 2021 – REVISED OCTOBER 2021
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