2
TCA9406
ZHCSIH8G –OCTOBER 2010–REVISED NOVEMBER 2018
www.ti.com.cn
版权 © 2010–2018, Texas Instruments Incorporated
目目录录
1 特特性性.......................................................................... 1
2 应应用用.......................................................................... 1
3 说说明明.......................................................................... 1
4 修修订订历历史史记记录录 ........................................................... 2
5 Pin Configuration and Functions......................... 5
6 Specifications......................................................... 6
6.1 Absolute Maximum Ratings ..................................... 6
6.2 ESD Ratings ............................................................ 6
6.3 Recommended Operating Conditions ...................... 7
6.4 Thermal Information.................................................. 7
6.5 Electrical Characteristics .......................................... 8
6.6 Timing Requirements (V
CCA
= 1.8 V ± 0.15 V)......... 9
6.7 Timing Requirements (V
CCA
= 2.5 V ± 0.2 V)........... 9
6.8 Timing Requirements (V
CCA
= 3.3 V ± 0.3 V)........... 9
6.9 Switching Characteristics (V
CCA
= 1.8 V ± 0.15 V). 10
6.10 Switching Characteristics (V
CCA
= 2.5 V ± 0.2 V). 12
6.11 Switching Characteristics (V
CCA
= 3.3 V ± 0.3 V). 14
6.12 Typical Characteristics.......................................... 15
7 Parameter Measurement Information ................ 16
7.1 Voltage Waveforms................................................. 17
8 Detailed Description............................................ 18
8.1 Overview ................................................................. 18
8.2 Functional Block Diagram ....................................... 18
8.3 Feature Description................................................. 18
8.4 Device Functional Modes........................................ 20
9 Application and Implementation ........................ 21
9.1 Application Information............................................ 21
9.2 Typical Application ................................................. 21
10 Power Supply Recommendations ..................... 23
11 Layout................................................................... 23
11.1 Layout Guidelines ................................................. 23
11.2 Layout Example .................................................... 23
12 器器件件和和文文档档支支持持 ..................................................... 24
12.1 接收文档更新通知 ................................................. 24
12.2 社区资源................................................................ 24
12.3 商标 ....................................................................... 24
12.4 静电放电警告......................................................... 24
12.5 术语表 ................................................................... 24
13 机机械械、、封封装装和和可可订订购购信信息息....................................... 24
4 修修订订历历史史记记录录
注:之前版本的页码可能与当前版本有所不同。
Changes from Revision F (October 2018) to Revision G Page
• Changed section title From: Pullup or Pulldown Resistors on I/O Lines To: Pullup Resistors on I/O Lines........................ 20
• Deleted text "An external pull down... " and Equation 1 from the Detailed Design Procedure section................................. 21
• Changed pin 1 From: To controller To: To system in 图 13 ................................................................................................ 23
• Changed pin 5 From: To system To: To controller in 图 13 ................................................................................................ 23
Changes from Revision E (August 2018) to Revision F Page
• Changed the Functional Block Diagram............................................................................................................................... 18
• Changed the Enable and Disable section ............................................................................................................................ 19
Changes from Revision D (July 2018) to Revision E Page
• Changed the new DSBGA pinout drawing From: Bottom View to: Top View ....................................................................... 5
Changes from Revision C (December 2014) to Revision D Page
• Changed the updated pinout drawings .................................................................................................................................. 5
• Changed t
dis
no external load MAX values From: 50 To: 200 ns in Switching Characteristics (V
CCA
= 1.8 V ± 0.15 V)...... 10
• Changed t
dis
no external load MAX values From: 40 To: 200 ns in Switching Characteristics (V
CCA
= 1.8 V ± 0.15 V)...... 10
• Changed t
dis
no external load MAX values From: 35 To: 200 ns in Switching Characteristics (V
CCA
= 1.8 V ± 0.15 V)...... 11
• Changed t
dis
no external load MAX values From: 50 To: 200 ns in Switching Characteristics (V
CCA
= 2.5 V ± 0.2 V)........ 12
• Changed t
dis
no external load MAX values From: 40 To: 200 ns in Switching Characteristics (V
CCA
= 1.8 V ± 0.15 V)...... 12
• Changed t
dis
no external load MAX values From: 35 To: 200 ns in Switching Characteristics (V
CCA
= 1.8 V ± 0.15 V)...... 13
• Changed t
dis
no external load MAX values From: 40 To: 200 ns in Switching Characteristics (V
CCA
= 1.8 V ± 0.15 V)...... 14