SLLSFO5A November   2021  – September 2022 TRSF3243E

PRODUCTION DATA  

  1. Features
  2. Applications
  3. Description
  4. Revision History
  5. Pin Configuration and Functions
  6. Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  ESD Ratings - IEC Specifications
    4. 6.4  Recommended Operating Conditions
    5. 6.5  Thermal Information
    6. 6.6  Electrical Characteristics
    7. 6.7  Electrical Characteristics: Driver
    8. 6.8  Switching Characteristics: Driver
    9. 6.9  Electrical Characteristics: Receiver
    10. 6.10 Switching Characteristics: Receiver
    11. 6.11 Electrical Characteristics: Auto-Powerdown
    12. 6.12 Switching Characteristics: Auto-Powerdown
      1.      Parameter Measurement Information
  7. Detailed Description
    1. 7.1 Overview
    2.     Functional Block Diagram
    3. 7.2 Feature Description
    4. 7.3 Device Functional Modes
  8. Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
    3. 8.3 Design Requirements
    4. 8.4 Detailed Design Procedure
  9. Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
      1.      Device and Documentation Support
        1. 11.1 Receiving Notification of Documentation Updates
        2. 11.2 Support Resources
        3. 11.3 Trademarks
        4. 11.4 Electrostatic Discharge Caution
        5. 11.5 Glossary
  11. 11Mechanical, Packaging, and Orderable Information

Package Options

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

Pin Configuration and Functions

Figure 5-1 PW (TSSOP) Packages, 28 Pin, Top View
Table 5-1 Pin Functions
PIN TYPE(1) DESCRIPTION
NO. NAME
1 C2+ Positive terminal of the charge-pump capacitor
2 C2- Negative terminal of the charge-pump capacitor
3 V- Negative charge-pump rail
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 logic inputs
13 DIN2
14 DIN1
15 ROUT5 O Receiver logic outputs
16 ROUT4
17 ROUT3
18 ROUT2
19 ROUT1
20 ROUT2B Always-active non-inverting receiver logic 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 charge-pump capacitor
25 GND Ground
26 VCC 3-V to 5.5-V supply voltage
27 V+ Positive charge-pump rail
28 C1+ Positive terminal of the charge-pump capacitor
Signal Types: I = Input, O = Output, I/O = Input or Output.
Figure 5-2 RHB (VQFN) Package, 32 Pin, Top View
Table 5-2 Pin Functions
PIN TYPE DESCRIPTION
NO. NAME
1 RIN1 I RS-232 receiver inputs
2 RIN2
3 RIN3
4 RIN4
5 RIN5
6 DOUT1 O RS-232 driver outputs
7 DOUT2
8 DOUT3
9 NC No internal connection
10 DIN3 I Driver logic inputs
11 DIN2
12 DIN1
13 ROUT5 O Receiver logic outputs
14 ROUT4
15 ROUT3
16 NC No internal connection
17 ROUT2 O Receiver outputs
18 ROUT1
19 ROUT2B O Always-active non-inverting receiver output
20 INVALID O Invalid Output Pin
21 FORCEOFF I Auto Powerdown Control input (Refer to Truth Table)
22 FORCEON I Auto Powerdown Control input (Refer to Truth Table)
23 C1- Negative terminal of the charge-pump capacitor
24 GND Ground
25 NC No internal connection
26 VCC 3-V to 5.5-V supply voltage
27 V+ Positive charge-pump rail
28 C1+ Positive terminal of the charge-pump capacitor
29 C2+
30 C2- Negative terminal of the charge-pump capacitor
31 V- Negative charge-pump rail
32 NC No internal connection