JAJSKR9B
June 2007 – July 2021
TRS3221E
PRODUCTION DATA
1
特長
2
アプリケーション
3
概要
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
ESD Ratings, IEC Specifications
6.4
Recommended Operating Conditions
6.5
Thermal Information
6.6
Electrical Characteristics
6.7
Driver Section Electrical Characteristics
6.8
Driver Section Switching Characteristics
6.9
Receiver Section Electrical Characteristics
6.10
Receiver Section Switching Characteristics
6.11
Auto-Powerdown Section Electrical Characteristics
6.12
Auto-Powerdown Section Switching Characteristics
6.13
Typical Characteristics
7
Parameter Measurement Information
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Power
8.3.2
RS232 Driver
8.3.3
RS232 Receiver
8.3.4
RS232 Status
8.4
Device Functional Modes
9
Application Information Disclaimer
9.1
Application Information
9.2
Typical Application
9.3
Design Requirements
9.4
Detailed Design Procedure
9.5
Application Curve
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Receiving Notification of Documentation Updates
11.2
サポート・リソース
11.3
Trademarks
11.4
Electrostatic Discharge Caution
11.5
Glossary
12
Mechanical, Packaging, and Orderable Information
9.3
Design Requirements
Recommended V
CC
is 3.3 V or 5 V
3 V to 5.5 V is also possible
Maximum recommended bit rate is 250 kbps
Use capacitors as shown in
Figure 9-1
and
Table 9-1
Table 9-1 V
CC
versus Capacitor Values
V
CC
C1
C2, C3, and C4
3.3 V ± 0.3 V
0.1 µF
0.1 µF
5 V ± 0.5 V
0.047 µF
0.33 µF
3 V to 5.5 V
0.1 µF
0.47 µF