±15kV ESD-Protected, 10Mbps, 3V/5V, Low-Power Quad RS-422/RS-485 Receivers

Low-Power, ESD-Protected, Pin-Compatible Upgrade to 34C86

Please check latest availability status for a specific part variant.


The MAX3093E/MAX3094E are rugged, low-power, quad, RS-422/RS-485 receivers featuring electrostatic discharge (ESD) protection for use in harsh environments. All receiver inputs are protected to ±15kV using IEC 1000-4-2 Air-Gap Discharge, ±8kV using IEC 1000-4-2 Contact Discharge, and ±15kV using the Human Body Model. The MAX3093E operates from a +5V supply, while the MAX3094E operates from a +3.3V supply. Receiver propagation delays are guaranteed to within ±8ns of a predetermined value, thereby ensuring device-to-device matching across production lots.

The devices feature a 1nA low-power shutdown mode in which the receiver outputs are high impedance. When active, these receivers have a fail-safe feature that guarantees a logic-high output if the input is open circuit. They also have a quarter-unit-load input impedance that allows 128 receivers on a bus.

The MAX3093E/MAX3094E are pin-compatible, low-power upgrades to the industry-standard '34C86. They are available in space-saving TSSOP, narrow SO, and PDIP packages.
MAX3093E, MAX3094E: Functional Diagram MAX3093E, MAX3094E: Functional Diagram Enlarge+

Key Features

  • ESD Protection
    • ±15kV—IEC 1000-4-2 Air-Gap Discharge
    • ±8kV—IEC 1000-4-2 Contact Discharge
    • ±15kV—Human Body Model
  • Guaranteed Propagation-Delay Tolerance Between All ICs
    • ±8ns (MAX3093E)
    • ±10ns (MAX3094E)
  • Single +3V Operation (MAX3094E)
  • Single +5V Operation (MAX3093E)
  • 16-Pin TSSOP
  • 10Mbps Data Rate
  • Allow up to 128 Receivers on the Bus
  • 1nA Low-Power Shutdown Mode
  • 2.4mA Operating Supply Current
  • Pin-Compatible Upgrades to '34C86


  • Level Translators
  • Receivers for ESD-Sensitive Applications
  • Rugged RS-422/RS-485/RS-423 Bus Receiver
  • Telecommunications Equipment
Part NumberTx/RxVSUPPLY
Data Rate
ESD Protect.
Tx ENRx ENICC (Shutdn.)
Rx/Tx on BusRx Failsafe w/ InputsSlew Rate LimitingOper. Temp.
typmintypSee Notes
MAX3093E 4Rx52.41000015NoYes0.001128OpenNo
-40 to +85
0 to +70
SOIC (N)/16
$2.04 @1k
MAX3094E 3.3
SOIC (N)/16
$1.63 @1k
See All RS-485/RS-422 Line Driver/Receivers (205)
Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

Quality and Environmental Data

Product Reliability Reports: MAX3094E.pdf 
Lead-Free Package Tin (Sn) Whisker Reports

Tools & Models

  • MAX3094E IBIS Model
  • Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C  

    Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

    Quality Management System >
    Environmental Management System >


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