SLLS694C
November 2005 – July 2021
SN65C3221E
,
SN75C3221E
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
ESD Ratings - IEC Specifications
7.4
Recommended Operating Conditions
7.5
Thermal Information
7.6
Electrical Characteristics
7.7
Driver Section: Electrical Characteristics
7.8
Switching Characteristics: Driver
7.9
Receiver Section: Electrical Characteristics
7.10
Switching Characteristics: Receiver
7.11
Auto-powerdown Section: Electrical Characteristics
7.12
Switching Characteristics: Auto-powerdown
8
Parameter Measurement Information
9
Detailed Description
9.1
Device Functional Modes
10
Application and Implementation
10.1
Application Information
11
Device and Documentation Support
11.1
Receiving Notification of Documentation Updates
11.2
Support Resources
11.3
Trademarks
11.4
Electrostatic Discharge Caution
11.5
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DB|16
MPDS507A
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slls694c_oa
slls694c_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
Operate with 3-V to 5.5-V V
CC
supply
Operate up to 1 Mbit/s
Low Standby Current . . . 1 μA Typical
External capacitors . . . 4 × 0.1 μF
Accepts 5-V logic input with 3.3-V supply
RS-232 Bus-pin esd protection exceeds ±15 kv using human-body model (HBM)
Auto-powerdown feature automatically disables drivers for power savings