SLLS657E April   2005  – October 2022 MAX3243E

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Description (continued)
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1  Absolute Maximum Ratings
    2. 7.2  ESD Ratings
    3. 7.3  ESD Ratings - IEC Specifications
    4. 7.4  Recommended Operating Conditions
    5. 7.5  Thermal Information
    6. 7.6  Electrical Characteristics
    7. 7.7  Driver Electrical Characteristics
    8. 7.8  Receiver, Electrical Characteristics
    9. 7.9  Auto-Powerdown Electrical Characteristics
    10. 7.10 Driver Switching Characteristics
    11. 7.11 Receiver Switching Characteristics
    12. 7.12 Auto-Powerdown Switching Characteristics
  8. 8 Parameter Measurement Information
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
    4. 9.4 Device Functional Modes
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
        1. 10.2.2.1 ESD Protection
          1. 10.2.2.1.1 ESD Test Conditions
          2. 10.2.2.1.2 Human Body Model (HBM)
          3. 10.2.2.1.3 IEC61000-4-2 (Formerly Known as IEC1000-4-2)
          4. 10.2.2.1.4 Machine Model
    3. 10.3 Power Supply Recommendations
    4. 10.4 Layout
      1. 10.4.1 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

6 Pin Configuration and Functions

Figure 6-1 RHB Package, 32 Pin (VQFN), Top View
Table 6-1 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 — Not connected internally
10 DIN3 I Driver inputs
11 DIN2
12 DIN1
13 ROUT5 O Receiver outputs
14 ROUT4
15 ROUT3
16 NC — Not connected internally
17 ROUT2 O Receiver outputs
18 ROUT1
19 ROUT2B O Always-active noninverting 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 voltage-doubler charge-pump capacitor
24 GND — Ground
25 NC — Not connected internally
26 VCC — 3-V to 5.5-V supply voltage
27 V+ — Positive charge pump output voltage
28 C1+ — Positive terminals of the voltage-doubler charge-pump capacitors
29 C2+ —
30 C2- — Negative terminal of the voltage-doubler charge-pump capacitor
31 V- — Negative charge pump output voltage
32 NC — Not connected internally
Figure 6-2 DB, DW, or PW Package, 28 Pin (SSOP, SOIC, TSSOP), Top View
Table 6-2 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