SLLS351F April   2002  – July 2021 SN65C3221 , SN75C3221

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  Recommended Operating Conditions (1)
      1. 6.3.1 Thermal Information
    4. 6.4  Electrical Characteristics
    5. 6.5  Electrical Characteristics - Driver
    6. 6.6  Switching Characteristics - Driver
    7. 6.7  Electrical Characteristics - Receiver
    8. 6.8  Switching Characteristics - Receiver
    9. 6.9  Electrical Characteristics - Auto-Powerdown
    10. 6.10 Switching Characteristics - Auto-Powerdown
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Device Functional Modes
  9. 9 Application and Implementation
    1. 9.1 Application Information
  10. 10Device and Documentation Support
    1. 10.1 Receiving Notification of Documentation Updates
    2. 10.2 Support Resources
    3. 10.3 Trademarks
    4. 10.4 Electrostatic Discharge Caution
    5. 10.5 Glossary
  11. 11Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • DB|16
  • PW|16
Thermal pad, mechanical data (Package|Pins)
Orderable Information

8.1 Device Functional Modes

Table 8-1 Each Driver(1)
INPUTS OUTPUT
DOUT		 DRIVER STATUS
DIN FORCEON FORCEOFF VALID RIN
RS-232 LEVEL
X X L X Z Powered off
L H H X H Normal operation with auto-powerdown disabled
H H H X L
L L H Yes H Normal operation with auto-powerdown enabled
H L H Yes L
L L H No Z Powered off by auto-powerdown feature
H L H No Z
(1) H = high level, L = low level, X = irrelevant, Z = high impedance
Table 8-2 Each Receiver(1)
INPUTS OUTPUT
ROUT
RIN EN VALID RIN
RS-232 LEVEL
L L X H
H L X L
X H X Z
Open L No H
(1) H = high level, L = low level, X = irrelevant, Z = high impedance (off), Open = disconnected input or connected driver off.