TRS3243ECPWR

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TRS3243ECPWR

IC TRANSCEIVER FULL 3/5 28TSSOP

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規格

Supplier Texas Instruments,Rochester Electronics, LLC
Package Tape & Reel (TR),Cut Tape (CT),Bulk
ProductStatus Active
Type Transceiver
Protocol RS232
NumberofDrivers/Receivers 3/5
Duplex Full
ReceiverHysteresis 500 mV
DataRate 500kbps
Voltage-Supply 3V ~ 5.5V
OperatingTemperature 0°C ~ 70°C
MountingType Surface Mount
Package/Case 28-TSSOP (0.173, 4.40mm Width)

概述

Description

TRS3243ECPWR is a 3-channel RS-232 transceiver. It provides three independent Tx/Rx pairs to translate between a microcontroller’s UART (TTL/CMOS levels) and RS-232 voltage levels, using an internal charge pump to generate the RS-232 voltages from a single supply. This lets you connect multiple serial peripherals (PCs, modems, etc.) to one MCU without external level-shifters.
Key points:
- Three transmitters and three receivers (three RS-232 channels).
- Single-supply operation with an internal charge pump for RS-232 voltages.
- Typical features include protection/ESD handling and standard UART data-rate support.
- ECPWR suffix indicates RoHS-compliant, lead-free package variant (packaging/temperature details vary by package).
Use it by wiring MCU TX/RX to the TTL/CMOS side and RS-232 lines to a DB9/DB25 connector, sharing ground, and adding the recommended charge-pump capacitors. For exact pinout, voltage ranges, data rate, and power specs, consult the TRS3243ECPWR datasheet.

Features

TRS3243ECPWR is a quad RS-232 transceiver in a PowerPAD package. Key features typically include:
- Quad RS-232 transceiver (4 Tx, 4 Rx)
- Single-supply operation: 3.0 V to 5.5 V
- TTL/CMOS compatible inputs and RS-232 level outputs
- External charge-pump capacitors required for RS-232 level generation
- RS-232 voltage swing with full compliance to RS-232 specs
- 3-state outputs with enable/disable control
- Low quiescent current; power-down/shutdown mode for low power
- Robust protection: ESD on pins
- Industrial temperature range (e.g., -40°C to 125°C)
- Thermal performance enhanced by PowerPAD package
Note: exact figures (data rate, capacitor values, ESD level) are in the official datasheet.

Package

8-pin PowerPAD (PW) package.

Pinout

- Pin count: 16 pins (16-pin package).
- Function: Triple RS-232 transceiver with integrated charge pump. It provides three Tx drivers (T1IN–T3IN to T1OUT–T3OUT, RS-232 level) and three Rx receivers (RIN1–RIN3 to ROUT1–ROUT3, TTL level). Converts between TTL/CMOS logic and RS-232 signals, using a single supply to generate the required ± voltage.

Manufacturer

Manufacturer: Texas Instruments (TI).
TI is a global American semiconductor company that designs and manufactures analog, mixed-signal, and embedded processing integrated circuits, including RS-232 transceivers.

Application

TRS3243ECPWR is a RS-232 transceiver. Applications include:
- Microcontroller/embedded system to RS-232 device interfaces
- PCs, modems, printers, scanners
- Industrial automation and PLCs
- Networking/telecom equipment
- Point-of-sale terminals and data-logging instrumentation
- Any system requiring robust RS-232 serial communication over cables

Equivalent

TRS3243ECPWR is a 4-channel RS-232 transceiver. Common cross-works include:
- MAX3243 (Maxim Integrated)
- ADM3243 / ADM3243A (Analog Devices)
- XR3243 (Exar, now MaxLinear)
These are similar 4-channel RS-232 transceivers with compatible voltage ranges. Verify exact voltage, pinout, and package before substituting.

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