|Category||Interface and Interconnect|
|Description||15kV ESD-Protected, Quad, Low-power RS-232 Line Receiver|
|Company||Maxim Integrated Products|
|Datasheet||Download MAX1489E datasheet
|Cross ref.||Similar parts: MC1489, SN75189|
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 350µA. 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 350µA 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 +85°C PIN-PACKAGE 14 Plastic DIP 14 SO Dice* 14 Plastic DIP 14 SO
INPUT A 1 TTL/CMOS LOGIC INTERCONNECTING CABLE TTL/CMOS LOGIC N.C. 2 OUTPUT A 3 INPUT B 4 N.C. 1/4 MAX1489E SIGNAL GROUND PC MOTHERBOARD (DTE) MODEM (DCE) 1/4 MAX1488E OUTPUT B 6 GND 714 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 www.maxim-ic.com.
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 = +70°C) Plastic DIP (derate 10.00mW/°C above +70°C)..........800mW SO (derate 8.7mW/°C above +70°C)...........................695mW Operating Temperature Ranges to +85°C Storage Temperature to +160°C Lead Temperature (soldering, 10s).................................+300°C
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 = +25°C.) 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 µs kbps VOH VOL IOS ICC VIN VIH VIL VHYST RIN VIN 0.4V IOUT = -20µA IOUT mA µA SYMBOL CONDITIONS MIN TYP MAX UNITSFUNCTION Receiver Inputs No Connect--not internally connected Receiver Outputs Ground
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