Details, datasheet, quote on part number: MAX1489E
CategoryInterface and Interconnect
Description15kV ESD-Protected, Quad, Low-power RS-232 Line Receiver
CompanyMaxim Integrated Products
DatasheetDownload MAX1489E datasheet
Cross ref.Similar parts: MC1489, SN75189
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Features, Applications

The MAX1489E quad, low-power line receiver is designed for EIA/TIA-232, EIA/TIA-562, and CCITT V.28 communications in harsh environments. Each receiver input is protected against 15kV electrostatic discharge (ESD) shocks. These inputs have a 25V range and feature hysteresis and time-domain filtering. The outputs are TTL and CMOS compatible. The MAX1489E has a 120kbps guaranteed data rate. Supply current is typically 350A. The MAX1489E is pin compatible with the SN75C189, DS1489, and It is available in 14-pin plastic DIP and SO packages.

o Enhanced ESD Protection: 15kV--Human Body Model 8kV--IEC1000-4-2, Contact Discharge 15kV--IEC1000-4-2, Air-Gap Discharge o Latchup Free During an ESD Event o Low 350A Supply Current o Input Hysteresis and Time-Domain Filtering Eliminate the Need for External Filtering o Stable Input Thresholds o Pin Compatible with SN75C189, DS1489, and DS14C89

PC Motherboards Modems Interfacing Data Terminal Equipment (DTE) with Data Circuit-Terminating Equipment (DCE) Equipment Meeting IEC1000-4-2 (formerly or 15kV ESD Protection

PART MAX1489EEPD MAX1489EESD TEMP RANGE to +85C PIN-PACKAGE 14 Plastic DIP 14 SO Dice* 14 Plastic DIP 14 SO


14 VCC 13 INPUT D 12 N.C. 11 OUTPUT D 10 INPUT 9 8 N.C. OUTPUT C

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! 1-888-629-4642, or visit Maxim's website at

Supply Voltage (VCC).............................................................+7V Input Voltage (VIN)...............................................................30V Output Short-Circuit Current (Shorted to GND or VCC) (Note 1)............................Self Limiting Continuous Power Dissipation (TA = +70C) Plastic DIP (derate 10.00mW/C above +70C)..........800mW SO (derate 8.7mW/C above +70C)...........................695mW Operating Temperature Ranges to +85C Storage Temperature to +160C Lead Temperature (soldering, 10s).................................+300C

Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.

(VCC TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = +25C.) PARAMETER DC CHARACTERISTICS Output Voltage High Output Voltage Low Output Short-Circuit Current (Note 1) Supply Current Input Voltage Range Input Voltage High Input Voltage Low Input Hysteresis Input Resistance TIMING CHARACTERISTICS Output Propagation Delay, Low to High Output Propagation Delay, High to Low Output Propagation Delay Skew, ItPLH - tPHLI Output Transition Time Input Noise Rejection Guaranteed Data Rate ESD CHARACTERISTICS Human Body Model ESD Protection IEC1000-4-2 (Contact Discharge) IEC1000-4-2 (Air-Gap Discharge) Note 1: Only one output may be shorted at a time. Note 2: See Noise Pulse Rejection graph in Typical Operating Characteristics section. 15 kV tPLH tPHL tSKEW tTR tN DR Figure 1 Figure 1 Figure 1 VOUT to 90% Pulse amplitude = 5V (Note ns s kbps VOH VOL IOS ICC VIN VIH VIL VHYST RIN VIN 0.4V IOUT = -20A IOUT mA A SYMBOL CONDITIONS MIN TYP MAX UNITS

FUNCTION Receiver Inputs No Connect--not internally connected Receiver Outputs Ground


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