SN75C3232EDR
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Texas Instruments SN75C3232EDR

Manufacturer No:
SN75C3232EDR
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC TRANSCEIVER FULL 2/2 16SOIC
Delivery:
Payment:
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Product Introduction

Overview

The SN75C3232EDR, produced by Texas Instruments, is a 3-V to 5.5-V two-channel RS-232 line driver/receiver integrated circuit. This device is designed to provide the electrical interface between an asynchronous communication controller and a serial-port connector. It features a dual charge-pump circuit that allows operation from a single 3-V to 5.5-V supply, making it versatile for various applications. The SN75C3232EDR is known for its high data signaling rates, low power consumption, and robust ESD protection, making it suitable for a wide range of industrial and consumer electronics.

Key Specifications

Parameter Value Unit
Supply Voltage (VCC) 3-V to 5.5-V V
Data Signaling Rate Up to 1 Mbit/s bps
Supply Current 300 μA (typical) A
External Capacitors 4 × 0.1 μF F
ESD Protection (HBM) ±15 kV V
ESD Protection (IEC 61000-4-2 Air-Gap Discharge) ±15 kV V
ESD Protection (IEC 61000-4-2 Contact Discharge) ±8 kV V
Operating Temperature Range 0 to 70 °C °C
Package Type SOIC (16 pins) -

Key Features

  • Operates with a 3-V to 5.5-V VCC supply.
  • Supports data signaling rates up to 1 Mbit/s.
  • Low supply current of 300 μA (typical).
  • Accepts 5-V logic input with a 3.3-V supply.
  • Includes a dual charge-pump circuit for voltage generation.
  • Requires four small external capacitors (0.1 μF each).
  • Provides ±15-kV ESD protection for RS-232 pins using the human-body model (HBM) and IEC 61000-4-2 standards.
  • Latch-up performance exceeds 100 mA per JESD 78, Class II.
  • Outputs are protected against shorts to ground.

Applications

  • Industrial PCs
  • Wired networking
  • Data center and enterprise computing
  • Battery-powered systems
  • Notebooks and laptops
  • Palmtop PCs and hand-held equipment
  • PDAs and other portable devices

Q & A

  1. What is the operating voltage range of the SN75C3232EDR?

    The SN75C3232EDR operates with a supply voltage (VCC) ranging from 3-V to 5.5-V.

  2. What is the maximum data signaling rate supported by the SN75C3232EDR?

    The device supports data signaling rates up to 1 Mbit/s.

  3. What is the typical supply current of the SN75C3232EDR?

    The typical supply current is 300 μA.

  4. What kind of ESD protection does the SN75C3232EDR offer?

    The device offers ±15-kV ESD protection using the human-body model (HBM) and IEC 61000-4-2 standards.

  5. What type of capacitors are required for the SN75C3232EDR?

    The device requires four external capacitors, each 0.1 μF.

  6. Can the SN75C3232EDR accept 5-V logic input with a 3.3-V supply?
  7. What is the operating temperature range of the SN75C3232EDR?

    The operating temperature range is from 0 to 70 °C.

  8. What type of package is the SN75C3232EDR available in?

    The device is available in a 16-pin SOIC package.

  9. Is the SN75C3232EDR RoHS compliant?
  10. What are some common applications of the SN75C3232EDR?

Product Attributes

Type:Transceiver
Protocol:RS232
Number of Drivers/Receivers:2/2
Duplex:Full
Receiver Hysteresis:300 mV
Data Rate:1Mbps
Voltage - Supply:3V ~ 5.5V
Operating Temperature:0°C ~ 70°C
Mounting Type:Surface Mount
Package / Case:16-SOIC (0.154", 3.90mm Width)
Supplier Device Package:16-SOIC
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Similar Products

Part Number SN75C3232EDR SN75C3232EDW SN75C3232EDWR SN75C3232DR SN75C3232ED SN75C3232EDB SN75C3232EDBR
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Obsolete Active Active Active Obsolete Obsolete Obsolete
Type Transceiver Transceiver Transceiver Transceiver Transceiver Transceiver Transceiver
Protocol RS232 RS232 RS232 RS232 RS232 RS232 RS232
Number of Drivers/Receivers 2/2 2/2 2/2 2/2 2/2 2/2 2/2
Duplex Full Full Full Full Full Full Full
Receiver Hysteresis 300 mV 300 mV 300 mV 300 mV 300 mV 300 mV 300 mV
Data Rate 1Mbps 1Mbps 1Mbps 1Mbps 1Mbps 1Mbps 1Mbps
Voltage - Supply 3V ~ 5.5V 3V ~ 5.5V 3V ~ 5.5V 3V ~ 5.5V 3V ~ 5.5V 3V ~ 5.5V 3V ~ 5.5V
Operating Temperature 0°C ~ 70°C 0°C ~ 70°C 0°C ~ 70°C 0°C ~ 70°C 0°C ~ 70°C 0°C ~ 70°C 0°C ~ 70°C
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 16-SOIC (0.154", 3.90mm Width) 16-SOIC (0.295", 7.50mm Width) 16-SOIC (0.295", 7.50mm Width) 16-SOIC (0.154", 3.90mm Width) 16-SOIC (0.154", 3.90mm Width) 16-SSOP (0.209", 5.30mm Width) 16-SSOP (0.209", 5.30mm Width)
Supplier Device Package 16-SOIC 16-SOIC 16-SOIC 16-SOIC 16-SOIC 16-SSOP 16-SSOP

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