Product details

Drivers per package 3 Receivers per package 5 Logic voltage (Min) (V) 3.3 Data rate (Max) (kbps) 250 Main supply voltage (Nom) (V) 3.3, 5 Features Auto-Powerdown ESD HBM (kV) 15 Rating Catalog Operating temperature range (C) 0 to 70, -40 to 85 Vout (Typ) (V) 5.4
Drivers per package 3 Receivers per package 5 Logic voltage (Min) (V) 3.3 Data rate (Max) (kbps) 250 Main supply voltage (Nom) (V) 3.3, 5 Features Auto-Powerdown ESD HBM (kV) 15 Rating Catalog Operating temperature range (C) 0 to 70, -40 to 85 Vout (Typ) (V) 5.4
SOIC (DW) 28 184 mm² 17.9 x 10.3 SSOP (DB) 28 54 mm² 5.3 x 10.2 TSSOP (PW) 28 62 mm² 9.7 x 6.4
  • Operates With 3-V to 5.5-V VCC Supply
  • Single-Chip and Single-Supply Interface
    for IBM PC/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
  • Operates With 3-V to 5.5-V VCC Supply
  • Single-Chip and Single-Supply Interface
    for IBM PC/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

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.

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.

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MAX3243E ACTIVE 3- to 5.5-V multichannel 500kbps RS-232 line driver/receiver with +/-15-kV IEC-ESD protection TI recommends the MAX3243E in new designs. The MAX3243E is an improved direct drop-in replacement for the MAX3243
Pin-for-pin with same functionality to the compared device.
TRS3243E ACTIVE 3- to 5.5-V multichannel 600kbps RS-232 line driver/receiver with +/-15-kV IEC-ESD protection The device has the SAME FUNCTIONALITY/PINOUT as the compared device but includes enhanced IEC61000-4-2 ESD Protection.

Technical documentation

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Type Title Date
* Data sheet MAX3243 3-V to 5.5-V Multichannel RS-232 Line Driver/Receiver With ±15-kV ESD (HBM) Protection datasheet (Rev. O) 29 Jan 2015

Design & development

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Simulation model

MAX3243 IBIS Model (Rev. A)

SLLM022A.ZIP (42 KB) - IBIS Model
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Package Pins Download
SOIC (DW) 28 View options
SSOP (DB) 28 View options
TSSOP (PW) 28 View options

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