Overview
The MAX3243EIPWRE4 is a multichannel RS-232 line driver and receiver integrated circuit produced by Texas Instruments. This device is designed to provide a single-chip and single-supply interface for IBM PC/AT serial ports, making it ideal for applications requiring reliable serial communication. The MAX3243EIPWRE4 includes three line drivers, five line receivers, and a dual charge-pump circuit, ensuring robust ESD protection and compliance with TIA/EIA-232-F and ITU V.28 standards.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Drivers/Receivers | 3/5 | - |
| Supply Voltage | 3 V to 5.5 V | V |
| Operating Temperature Range | -40°C to 85°C | °C |
| Data Rate | Up to 500 kbit/s | kbit/s |
| ESD Protection | ±15 kV (HBM), ±8 kV (IEC61000-4-2, Contact Discharge) | kV |
| Package Type | 28-TSSOP | - |
| Standby Current | 1 µA typical | µA |
| External Capacitors | 4 × 0.1 µF | µF |
Key Features
- Single-chip and single-supply interface for IBM PC/AT serial port
- ESD protection for RS-232 bus pins: ±15 kV (HBM), ±8 kV (IEC61000-4-2, Contact Discharge), and ±15 kV (IEC61000-4-2, Air-Gap Discharge)
- Meets or exceeds requirements of TIA/EIA-232-F and ITU V.28 standards
- Operates with 3 V to 5.5 V VCC supply
- Always-active noninverting receiver output (ROUT2B)
- Designed to transmit at a data rate up to 500 kbit/s
- Low standby current: 1 µA typical
- Accepts 5-V logic input with 3.3-V supply
- Serial-mouse driveability
- Auto-powerdown feature to disable driver outputs when no valid RS-232 signal is sensed
Applications
- Battery-powered systems
- Tablets
- Notebooks
- Laptops
- Hand-held equipment
Q & A
- What is the MAX3243EIPWRE4 used for?
The MAX3243EIPWRE4 is used as a multichannel RS-232 line driver and receiver, providing a single-chip and single-supply interface for serial communication in devices like IBM PC/AT compatible systems.
- What are the key specifications of the MAX3243EIPWRE4?
The device includes three line drivers, five line receivers, operates with a 3 V to 5.5 V supply, and has an operating temperature range of -40°C to 85°C. It also supports data rates up to 500 kbit/s and has robust ESD protection.
- What kind of ESD protection does the MAX3243EIPWRE4 offer?
The MAX3243EIPWRE4 offers ±15 kV ESD protection using the Human-Body Model (HBM), ±8 kV ESD protection for IEC61000-4-2 Contact Discharge, and ±15 kV ESD protection for IEC61000-4-2 Air-Gap Discharge.
- What is the package type of the MAX3243EIPWRE4?
The MAX3243EIPWRE4 is available in a 28-TSSOP package.
- What is the standby current of the MAX3243EIPWRE4?
The standby current of the MAX3243EIPWRE4 is 1 µA typical.
- Does the MAX3243EIPWRE4 support 5-V logic input with a 3.3-V supply?
Yes, the MAX3243EIPWRE4 accepts 5-V logic input with a 3.3-V supply.
- What is the auto-powerdown feature of the MAX3243EIPWRE4?
The auto-powerdown feature disables driver outputs when no valid RS-232 signal is sensed, reducing power consumption.
- What are some common applications of the MAX3243EIPWRE4?
Common applications include battery-powered systems, tablets, notebooks, laptops, and hand-held equipment.
- Does the MAX3243EIPWRE4 meet industry standards for serial communication?
Yes, the MAX3243EIPWRE4 meets or exceeds the requirements of TIA/EIA-232-F and ITU V.28 standards.
- What is the maximum data rate supported by the MAX3243EIPWRE4?
The MAX3243EIPWRE4 supports data rates up to 500 kbit/s.
