SLLS686C
October 2005 – July 2021
MAX3221E
PRODUCTION DATA
1
Features
2
Applications
3
Description
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
Electrical Characteristics: Driver
6.8
Electrical Characteristics: Receiver
6.9
Electrical Characteristics: Auto-Power Down
6.10
Switching Characteristics: Driver
6.11
Switching Characteristics: Receiver
6.12
Switching Characteristics: Auto-Power Down
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
RS-232 Driver
8.3.3
RS-232 Receiver
8.3.4
RS-232 Status
8.4
Device Functional Modes
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Receiving Notification of Documentation Updates
12.2
Support Resources
12.3
Trademarks
12.4
Electrostatic Discharge Caution
12.5
Glossary
13
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
slls686c_oa
slls686c_pm
1
Features
ESD protection for RS-232 pins
±15-kV Human-body model (HBM)
±8 kV (IEC 61000-4-2, Contact discharge)
±15 kV (IEC 61000-4-2, Air-gap discharge)
Meets or exceeds the requirements of TIA/EIA-232-F and ITU v.28 standards
Operates with 3-V to 5.5-V V
CC
upply
Operates up to 250 kbit/s
One driver and one receiver
Low standby current: 1 µA typical
Accepts 5-V logic input with 3.3-V supply
Auto-power-down feature automatically disables drivers for power savings
Alternative high-speed device (1 Mbit/s)
SN75C3221E and SN65C3221E