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MAX3080CPDMAXIMN/a342avaiFail-Safe / High-Speed 10Mbps / Slew-Rate-Limited RS-485/RS-422 Transceivers
MAX3080CPDMAXN/a10avaiFail-Safe / High-Speed 10Mbps / Slew-Rate-Limited RS-485/RS-422 Transceivers
MAX3080CPDMAXIM ?N/a28avaiFail-Safe / High-Speed 10Mbps / Slew-Rate-Limited RS-485/RS-422 Transceivers
MAX3080CSDMAXIMN/a21avaiFail-Safe / High-Speed 10Mbps / Slew-Rate-Limited RS-485/RS-422 Transceivers
MAX3080CSDMAXN/a11avaiFail-Safe / High-Speed 10Mbps / Slew-Rate-Limited RS-485/RS-422 Transceivers
MAX3081CPAMAXIMN/a52avaiFail-Safe / High-Speed 10Mbps / Slew-Rate-Limited RS-485/RS-422 Transceivers
MAX3081CSAMAXIMN/a100avaiFail-Safe / High-Speed 10Mbps / Slew-Rate-Limited RS-485/RS-422 Transceivers
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MAX3082CSAMAXIM ?N/a321avaiFail-Safe / High-Speed 10Mbps / Slew-Rate-Limited RS-485/RS-422 Transceivers
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MAX3083CPDMAXN/a24avaiFail-Safe / High-Speed 10Mbps / Slew-Rate-Limited RS-485/RS-422 Transceivers
MAX3083CPDMAXIM ?N/a158avaiFail-Safe / High-Speed 10Mbps / Slew-Rate-Limited RS-485/RS-422 Transceivers
MAX3083CSDMAXIMN/a25avaiFail-Safe / High-Speed 10Mbps / Slew-Rate-Limited RS-485/RS-422 Transceivers
MAX3083CSDMAXN/a20avaiFail-Safe / High-Speed 10Mbps / Slew-Rate-Limited RS-485/RS-422 Transceivers
MAX3084CPAMAXIMN/a7avaiFail-Safe / High-Speed 10Mbps / Slew-Rate-Limited RS-485/RS-422 Transceivers
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MAX3084CSAMAXN/a18avaiFail-Safe / High-Speed 10Mbps / Slew-Rate-Limited RS-485/RS-422 Transceivers
MAX3085CPAMAXIM ?N/a21avaiFail-Safe / High-Speed 10Mbps / Slew-Rate-Limited RS-485/RS-422 Transceivers
MAX3085CSAMAXN/a835avaiFail-Safe / High-Speed 10Mbps / Slew-Rate-Limited RS-485/RS-422 Transceivers
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MAX3086CPDMAXIMN/a23avaiFail-Safe / High-Speed 10Mbps / Slew-Rate-Limited RS-485/RS-422 Transceivers
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MAX3089CPDMAXIM ?N/a24avaiFail-Safe / High-Speed 10Mbps / Slew-Rate-Limited RS-485/RS-422 Transceivers
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MAX3089CSD ,Fail-Safe / High-Speed 10Mbps / Slew-Rate-Limited RS-485/RS-422 TransceiversFeaturesThe MAX3080–MAX3089 high-speed transceivers for' True Fail-Safe Receiver While Maintaining ..
MAX3089CSD ,Fail-Safe / High-Speed 10Mbps / Slew-Rate-Limited RS-485/RS-422 TransceiversMAX3080–MAX308919-1138; Rev 1; 12/97Fail-Safe, High-Speed (10Mbps), Slew-Rate-Limited RS-485/RS-422 ..
MAX3089CSD+ ,Fail-Safe, High-Speed (10Mbps), Slew-Rate-Limited RS-485/RS-422 TransceiversELECTRICAL CHARACTERISTICS(V = +5V ±5%, T = T to T , unless otherwise noted. Typical values are at ..
MAX3089E ,±15kV ESD-Protected, Fail-Safe, High-Speed (10Mbps), Slew-Rate-Limited RS-485/RS-422 TransceiversELECTRICAL CHARACTERISTICS(V = +5V ±5%, T = T to T , unless otherwise noted. Typical values are at ..
MAX3089ECSD ,±15kV ESD-Protected, Fail-Safe, High-Speed (10Mbps), Slew-Rate-Limited RS-485/RS-422 TransceiversELECTRICAL CHARACTERISTICS(V = +5V ±5%, T = T to T , unless otherwise noted. Typical values are at ..
MAX3089ECSD+ ,±15kV ESD-Protected, Fail-Safe, High-Speed (10Mbps), Slew-Rate-Limited RS-485/RS-422 Transceiversfeatures implemented using pins 1, 6, 8, and 13.____ Maxim Integrated Products 1For and the latest ..
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MAX6338BUB+ ,Quad Voltage Monitor with Four Outputs in µMax Packageapplications. The selection♦ Low 25µA Supply Currentincludes input options for monitoring +5.0V, +3 ..
MAX6338CUB ,Quad Voltage Monitor in レMAX PackageApplicationsTOLERANCE(V) (V) (V) (V)(%)TelecommunicationsMAX6338AUB 5 3.3 2.5 Adj* 10High-End Print ..
MAX6338CUB ,Quad Voltage Monitor in レMAX Packageapplications. The selection Low 25µA Supply Currentincludes input options for monitoring +5.0V, +3 ..
MAX6338DUB ,Quad Voltage Monitor in レMAX PackageMAX633819-1695; Rev 1; 7/01Quad Voltage Monitor in µMAX Package
MAX6338DUB ,Quad Voltage Monitor in レMAX PackageFeaturesThe MAX6338 quad voltage monitor is capable of moni- Monitors Four Voltages (Factory Progr ..


MAX3080CPD-MAX3080CSD-MAX3081CPA-MAX3081CSA-MAX3082CPA-MAX3082CSA-MAX3083CPD-MAX3083CSD-MAX3084CPA-MAX3084CSA-MAX3085CPA-MAX3085CSA-MAX3086CPD-MAX3086CSD-MAX3087CSA-MAX3088CPA-MAX3088CSA-MAX3089CPD-MAX3089CSD
Fail-Safe / High-Speed 10Mbps / Slew-Rate-Limited RS-485/RS-422 Transceivers
Selection Table
MAX3080–MAX3089
Fail-Safe, High-Speed (10Mbps),
Slew-Rate-Limited RS-485/RS-422 Transceivers

19-1138; Rev 1; 12/97
Ordering Information continued on last page.
Ordering Information
General Description

The MAX3080–MAX3089 high-speed transceivers for
RS-485/RS-422 communication contain one driver and
one receiver. These devices feature fail-safe circuitry,
which guarantees a logic-high receiver output when the
receiver inputs are open or shorted. This means that
the receiver output will be a logic high if all transmitters
on a terminated bus are disabled (high impedance).
The MAX3080/MAX3081/MAX3082 feature reduced
slew-rate drivers that minimize EMI and reduce reflec-
tions caused by improperly terminated cables, allowing
error-free data transmission up to 115kbps. The
MAX3083/MAX3084/MAX3085 offer higher driver out-
put slew-rate limits, allowing transmit speeds up to
500kbps. The MAX3086/MAX3087/MAX3088’s driver
slew rates are not limited, making transmit speeds up
to 10Mbps possible. The MAX3089’s slew rate is
selectable between 115kbps, 500kbps, and 10Mbps
by driving a selector pin with a single three-state
driver.
These transceivers typically draw 375µA of supply
current when unloaded, or when fully loaded with the
drivers disabled.
All devices have a 1/8-unit-load receiver input imped-
ance that allows up to 256 transceivers on the bus. The
MAX3082/MAX3085/MAX3088 are intended for half-
duplex communications, while the MAX3080/MAX3081/
MAX3083/MAX3084/MAX3086/MAX3087 are intended
for full-duplex communications. The MAX3089 is selec-
table between half-duplex and full-duplex operation. It
also features independently programmable receiver
and transmitter output phase via separate pins.
Features
True Fail-Safe Receiver While Maintaining
EIA/TIA-485 Compatibility
Enhanced Slew-Rate Limiting Facilitates
Error-Free Data Transmission
(MAX3080–MAX3085/MAX3089)
1nA Low-Current Shutdown Mode (except
MAX3081/MAX3084/MAX3087)
Pin-Selectable Full/Half-Duplex Operation
(MAX3089)
Phase Controls to Correct for Twisted-Pair
Reversal (MAX3089)
Allow Up to 256 Transceivers on the Bus
Applications

RS-422/RS-485 Communications
Level Translators
Transceivers for EMI-Sensitive Applications
Industrial-Control Local Area Networks
MAX3080–MAX3089
Fail-Safe, High-Speed (10Mbps),
Slew-Rate-Limited RS-485/RS-422 Transceivers
ABSOLUTE MAXIMUM RATINGS
DC ELECTRICAL CHARACTERISTICS

(VCC= +5V ±5%, TA= TMINto TMAX, unless otherwise noted. Typical values are at VCC= +5V and TA= +25°C.) (Note 1)
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.
Supply Voltage (VCC) ............................................................+7V
Control Input Voltage (RE, DE)...................-0.3V to (VCC+ 0.3V)
Special Input Voltage
(H/F, SRL, TXP, RXP)..................................-0.3V to (VCC+ 0.3V)
Driver Input Voltage (DI).............................-0.3V to (VCC+ 0.3V)
Driver Output Voltage (A, B, Y, Z)........................................±13V
Receiver Input Voltage (A, B)..............................................±13V
Receiver Input Voltage, Full Duplex (A, B)..........................±25V
Receiver Output Voltage (RO)....................-0.3V to (VCC+ 0.3V)
Continuous Power Dissipation
8-Pin Plastic DIP (derate 9.09mW/°C above +70°C)...727mW
8-Pin SO (derate 5.88mW/°C above +70°C)................471mW
14-Pin Plastic DIP (derate 10.0mW/°C above +70°C)....800mW
14-Pin SO (derate 8.33mW/°C above +70°C)..............667mW
Operating Temperature Ranges
MAX308_C_ _.....................................................0°C to +70°C
MAX308_E_ _...................................................-40°C to +85°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10sec).............................+300°C
MAX3080–MAX3089
Fail-Safe, High-Speed (10Mbps),
Slew-Rate-Limited RS-485/RS-422 Transceivers
DC ELECTRICAL CHARACTERISTICS (continued)

(VCC= +5V ±5%, TA= TMINto TMAX, unless otherwise noted. Typical values are at VCC= +5V and TA= +25°C.) (Note 1)
Note 1:
All currents into the device are positive; all currents out of the device are negative. All voltages are referred to device
ground unless otherwise noted.
Note 2:
ΔVODand ΔVOCare the changes in VODand VOC, respectively, when the DI input changes state.
Note 3:
The SRL pin is internally biased to VCC / 2 by a 100kΩ/100kΩresistor divider. It is guaranteed to be VCC / 2 if left
unconnected.
Note 4:
Maximum current level applies to peak current just prior to foldback-current limiting; minimum current level applies during
current limiting.
MAX3080–MAX3089
Fail-Safe, High-Speed (10Mbps),
Slew-Rate-Limited RS-485/RS-422 Transceivers
SWITCHING CHARACTERISTICS—MAX3080–MAX3082, and MAX3089 with
SRL = Unconnected

(VCC= +5V ±5%, TA= TMINto TMAX, unless otherwise noted. Typical values are at VCC= +5V and TA= +25°C.)
MAX3080–MAX3089
Fail-Safe, High-Speed (10Mbps),
Slew-Rate-Limited RS-485/RS-422 Transceivers
SWITCHING CHARACTERISTICS—MAX3083–MAX3085, and MAX3089 with SRL = VCC

(VCC= +5V ±5%, TA= TMINto TMAX, unless otherwise noted. Typical values are at VCC= +5V and TA= +25°C.)
MAX3080–MAX3089
Fail-Safe, High-Speed (10Mbps),
Slew-Rate-Limited RS-485/RS-422 Transceivers
SWITCHING CHARACTERISTICS—MAX3086–MAX3088, and MAX3089 with SRL = GND

(VCC= +5V ±5%, TA= TMINto TMAX, unless otherwise noted. Typical values are at VCC= +5V and TA= +25°C.)
Note 5:
The device is put into shutdown by bringing REhigh and DE low. If the enable inputs are in this state for less than 50ns, the
device is guaranteed not to enter shutdown. If the enable inputs are in this state for at least 600ns, the device is guaranteed
to have entered shutdown.
MAX3080–MAX3089
Fail-Safe, High-Speed (10Mbps),
Slew-Rate-Limited RS-485/RS-422 Transceivers
Typical Operating Characteristics

(VCC= +5V, TA = +25°C, unless otherwise noted.)
MAX3080–MAX3089
Fail-Safe, High-Speed (10Mbps),
Slew-Rate-Limited RS-485/RS-422 Transceivers
Typical Operating Characteristics (continued)

(VCC= +5V, TA = +25°C, unless otherwise noted.)
MAX3080–MAX3089
Fail-Safe, High-Speed (10Mbps),
Slew-Rate-Limited RS-485/RS-422 Transceivers
Typical Operating Characteristics (continued)

(VCC= +5V, TA = +25°C, unless otherwise noted.)
MAX3080–MAX3089
Fail-Safe, High-Speed (10Mbps),
Slew-Rate-Limited RS-485/RS-422 Transceivers
Pin Description
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