Overview
The MAX3243EIPWRG4, produced by Texas Instruments, is a 3-V to 5.5-V multichannel RS-232 line driver and receiver. This device is designed to provide a single-chip and single-supply interface for IBM PC/AT serial ports, making it highly versatile for various applications. It incorporates robust ESD protection, meeting or exceeding the requirements of TIA/EIA-232-F and ITU V.28 standards. The MAX3243EIPWRG4 features three line drivers and five line receivers, making it ideal for DE-9 DTE interfaces.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC Supply Voltage Range | -0.3 | - | 6 | V |
| Operating Free-Air Temperature (MAX3243EC) | 0 | - | 70 | °C |
| Operating Free-Air Temperature (MAX3243EI) | -40 | - | 85 | °C |
| Driver Output Voltage (VOH) | 5 | 5.4 | - | V |
| Driver Output Voltage (VOL) | -5 | -5.4 | - | V |
| Standby Current | - | 1 | - | μA |
| Data Signaling Rate | - | - | 250 | kbit/s |
| ESD Protection (HBM) | ±15 | - | - | kV |
| ESD Protection (IEC61000-4-2, Contact Discharge) | ±8 | - | - | kV |
| ESD Protection (IEC61000-4-2, Air-Gap Discharge) | ±15 | - | - | kV |
Key Features
- Operates with a 3-V to 5.5-V VCC supply.
- Single-chip and single-supply interface for IBM PC/AT serial ports.
- Robust ESD protection: ±15-kV HBM, ±8-kV IEC61000-4-2 contact discharge, and ±15-kV IEC61000-4-2 air-gap discharge.
- Meets or exceeds TIA/EIA-232-F and ITU V.28 standards.
- Three line drivers and five line receivers.
- Always-active noninverting receiver output (ROUT2B).
- Serial-mouse driveability.
- Auto-powerdown feature to disable driver outputs when no valid RS-232 signal is sensed.
- Low standby current: 1 μA typical.
- Accepts 5-V logic input with a 3.3-V supply.
Applications
- Battery-powered systems.
- Notebooks and laptops.
- Hand-held equipment.
- Palmtop PCs.
- Data center and enterprise computing.
- Wired networking.
- Tablets.
Q & A
- What is the operating voltage range of the MAX3243EIPWRG4?
The MAX3243EIPWRG4 operates with a 3-V to 5.5-V VCC supply.
- What kind of ESD protection does the MAX3243EIPWRG4 offer?
The device offers ±15-kV HBM, ±8-kV IEC61000-4-2 contact discharge, and ±15-kV IEC61000-4-2 air-gap discharge ESD protection.
- How many line drivers and receivers does the MAX3243EIPWRG4 have?
The device has three line drivers and five line receivers.
- What is the maximum data signaling rate of the MAX3243EIPWRG4?
The device can operate at data signaling rates up to 250 kbit/s.
- Does the MAX3243EIPWRG4 have an auto-powerdown feature?
Yes, the device has an auto-powerdown feature to disable driver outputs when no valid RS-232 signal is sensed.
- What is the typical standby current of the MAX3243EIPWRG4?
The typical standby current is 1 μA.
- Can the MAX3243EIPWRG4 accept 5-V logic input with a 3.3-V supply?
Yes, it can accept 5-V logic input with a 3.3-V supply.
- What are the package options available for the MAX3243EIPWRG4?
The device is available in plastic small-outline (DW), shrink small-outline (DB), and thin shrink small-outline (PW) packages.
- What are the operating temperature ranges for the MAX3243EIPWRG4?
The MAX3243EC operates from 0°C to 70°C, and the MAX3243EI operates from –40°C to 85°C.
- Does the MAX3243EIPWRG4 have an always-active noninverting receiver output?
Yes, it has an always-active noninverting receiver output (ROUT2B).
