MAX3243CDB by Texas Instruments | Drivers & Transmitters | Avnet AMERICAS
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MAX3243CDB

Texas Instruments

Triple Transmitter Quint Receiver RS-232 28-Pin SSOP T/R

Manufacturer Part #: MAX3243CDB

Avnet Manufacturer Part #: MAX3243CDB


RoHS Compliant

Descriptions

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Information

The MAX3243 device consists of three line drivers, five line receivers which is ideal for DE-9 DTE interface. ±15-kV ESD (HBM) protection pin to pin (serial- port connection pins, including GND). Flexible power features saves power automatically. Special outputs ROUT2B and INVALID are always enabled to allow checking for ring indicator and valid RS232 input.

Key Features

  • Operates With 3-V to 5.5-V VCC Supply
  • Single-Chip and Single-Supply Interface
    for IBMPC/AT Serial Port
  • RS-232 Bus-Pin ESD Protection of
    ±15 kV Using Human-Body Model (HBM)
  • Meets or Exceeds the Requirements of
    TIA/EIA-232-F and ITU V.28 Standards
  • Three Drivers and Five Receivers
  • Operates Up To 250 kbit/s
  • Low Active Current: 300 μA Typical
  • Low Standby Current: 1 μA Typical
  • External Capacitors: 4 × 0.1 μF
  • Accepts 5-V Logic Input With 3.3-V Supply
  • Always-Active Noninverting Receiver
    Output (ROUT2B)
  • Operating Temperature
    • MAX3243C: 0°C to 70°C
    • MAX3243I: –40°C to 85°C
  • Serial-Mouse Driveability
  • Auto-Powerdown Feature to Disable Driver
    Outputs When No Valid RS-232 Signal Is
    Sensed
  • Technical Attributes

    Description
    Value
    Find similar Parts
    Number of Receivers per Line
    1
    Pin Count
    28
    Transmitter Communication Type
    RS-232
    Receiver Signal Type
    Single-Ended
    Typical Single Supply Voltage
    3.3|5 V
    Function
    Line Transmitter/Receiver
    Number of Transmitters
    3
    Number of Receivers
    5
    Mounting
    Surface Mount
    MSL Level
    1
    Max Processing Temp
    260
    Number of Transmitter Enables
    2
    Number of Drivers per Line
    1
    Product Dimensions
    10.2 x 5.3 x 1.95 mm
    Power Supply Type
    Single
    Screening Level
    Commercial
    ESD Protection
    Yes
    Data Transmission Topology
    Point-to-Point
    Transmitter Signal Type
    Single-Ended
    Receiver Communication Type
    RS-232
    Minimum Single Supply Voltage
    3 V
    Lead Finish
    Gold
    Maximum Single Supply Voltage
    5.5 V
    Driving Mode
    3-State
    Operating Temperature
    0 to 70 °C
    Supplier Package
    SSOP
    Data Rate
    250 Kbps
    Interface Standards
    EIA/TIA-232-F|RS-232|V.28
    Number of Transceivers
    1

    ECCN / UNSPSC

    Description
    Value
    ECCN:
    EAR99
    SCHEDULE B:
    8542390000
    HTSN:
    8542310000
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