SLLS686D
October 2005 – July 2024
MAX3221E
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
ESD Ratings - IEC Specifications
5.4
Recommended Operating Conditions
5.5
Thermal Information
5.6
Electrical Characteristics
5.7
Electrical Characteristics: Driver
5.8
Electrical Characteristics: Receiver
5.9
Electrical Characteristics: Auto-Power Down
5.10
Switching Characteristics: Driver
5.11
Switching Characteristics: Receiver
5.12
Switching Characteristics: Auto-Power Down
5.13
Typical Characteristics
6
Parameter Measurement Information
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Power
7.3.2
RS-232 Driver
7.3.3
RS-232 Receiver
7.3.4
RS-232 Status
7.4
Device Functional Modes
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.3
Application Curves
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Receiving Notification of Documentation Updates
9.2
Support Resources
9.3
Trademarks
9.4
Electrostatic Discharge Caution
9.5
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
PW|16
MPDS361A
DB|16
MPDS507A
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slls686d_oa
slls686d_pm
1
Features
ESD protection for RS-232 pins
±15kV Human-body model (HBM)
±8kV (IEC 61000-4-2, Contact discharge)
±15kV (IEC 61000-4-2, Air-gap discharge)
Meets or exceeds the requirements of TIA/EIA-232-F and ITU v.28 standards
Operates with 3V to 5.5V V
CC
supply
Operates up to 250kbit/s
One driver and one receiver
Low standby current: 1µA typical
Accepts 5V logic input with 3.3V supply
Auto-power-down feature automatically disables drivers for power savings
Alternative high-speed device (1Mbit/s)
SN75C3221E and SN65C3221E