SLLS353I June   1999  – October 2022 SN65C3243 , SN75C3243

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
    4. 6.4  Thermal Information
    5. 6.5  Electrical Characteristics
    6. 6.6  Electrical Characteristics, Driver Section
    7. 6.7  Electrical Characteristics, Receiver Section
    8. 6.8  Electrical Characteristics, Auto-Powerdown Section
    9. 6.9  Switching Characteristics: Driver
    10. 6.10 Switching Characteristics: Receiver
    11. 6.11 Switching Characteristics: Auto-Powerdown
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Device Functional Modes
      1. 8.2.1 Function Tables
  9. 9 Device and Documentation Support
    1. 9.1 Device Support
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  10. 10Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5 Pin Configuration and Functions

Figure 5-1 DB, DW, or PW Package, 28 Pin (SSOP, SOIC, TSSOP)
(Top View)
Table 5-1 Pin Functions
PIN TYPE DESCRIPTION
NO. NAME
1 C2+ — Positive terminal of the voltage-doubler charge-pump capacitor
2 C2- — Negative terminal of the voltage-doubler charge-pump capacitor
3 V- Negative charge pump output voltage
4 RIN1 I RS-232 receiver inputs
5 RIN2
6 RIN3
7 RIN4
8 RIN5
9 DOUT1 O RS-232 driver outputs
10 DOUT2
11 DOUT3
12 DIN3 I Driver inputs
13 DIN2
14 DIN1
15 ROUT5 O Receiver outputs
16 ROUT4
17 ROUT3
18 ROUT2
19 ROUT1
20 ROUT2B — Always-active noninverting receiver output;
21 INVALID O Invalid Output Pin
22 FORCEOFF I Auto Powerdown Control input (Refer to Truth Table)
23 FORCEON I Auto Powerdown Control input (Refer to Truth Table)
24 C1- — Negative terminal of the voltage-doubler charge-pump capacitor
25 GND — Ground
26 VCC — 3-V to 5.5-V supply voltage
27 V+ — Positive charge pump output voltage
28 C1+ — Positive terminal of the voltage-doubler charge-pump capacitor