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DS36C279

Features: 100% RS-485 compliant- Guaranteed RS-485 device interoperation Low power CMOS design: ICC 500 A max Automatic sensing sleep mode- Reduces ICC to 10 A maximum Built-in power up/down glitch-free circuitry- Permits live transceiver intersection/displacement DIP and SOIC packages available I...

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DS36C279: Features: 100% RS-485 compliant- Guaranteed RS-485 device interoperation Low power CMOS design: ICC 500 A max Automatic sensing sleep mode- Reduces ICC to 10 A maximum Built-in power up/down glitch-...

DS36C279 Data Sheet

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Part Number:
DS36C279
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

100% RS-485 compliant
- Guaranteed RS-485 device interoperation
Low power CMOS design: ICC 500 A max
Automatic sensing sleep mode
- Reduces ICC to 10 A maximum
Built-in power up/down glitch-free circuitry
- Permits live transceiver intersection/displacement
DIP and SOIC packages available
Industrial temperature range: -40 to +85
On-board thermal shutdown circuitry
- Prevents damage to the device in the event of excessive power dissipation
Wide common mode range: -7V to +12V
Receive open input fail-safe (Note 1)
1/4 unit load (DS36C279): 128 nodes
1/2 unit load (DS36C279T): 64 nodes
ESD (Human Body Model): 2kV
Drop-in replacement for:
- LTC485 MAX485 DS75176 DS3695




Pinout

Connection Diagram




Specifications

If Military/Aerospace specified devices are required,pleasecontacttheNationalSemiconductorSalesOffice/Distributors for availability and specifications.
Supply Voltage (VCC) +12V
Input Voltage (DE, RE*, & DI) -0.5V to (VCC+0.5V)
Common Mode (VCM )Driver Output/Receiver Input ±15V
Input Voltage (DO/RI, DO*/RI*) ±14V
Receiver Output Voltage -0.5V to (VCC +0.5V)
Maximum Package Power Dissipation @ +25
M Package 1190 mW, derate9.5 mW/above +25
N Package 744 mW, derate 6.0 mW/above +25
Storage Temperature Range-65?C to +150
Lead Temperature(Soldering 4 sec) +260


Function Transceiver
Channels 1 Channels
SupplyVoltage 5 Volt
Process CMOS
Special Features Auto Sleep Mode
Temperature Min -40 deg C
Temperature Max 85 deg C
JTAG1149.1 No
Drivers 1
Receivers 1
View Using Catalog





Description

The DS36C279 is a low power differential bus/line trans-ceiver designed to meet the requirements of RS-485 Stan-dardformultipointdatatransmission.Inadditionitiscompat-ible with TIA/EIA-422-B.

The DS36C279 sleep mode feature automatically puts the device in a power saving mode when both the driver and receiver are disabled.++ The device is ideal for use in power conscious applications where the device may be disabled for extended periods of time.

The DS36C279 driverandreceiveroutputsfeatureTRI-STATEcapabil-ity.The driver outputs operate over the entire common mode range of -7V to +12V. Bus contention or fault situations that cause excessive power dissipation within the device are handled by a thermal shutdown circuit, which forces the driver outputs into a high impedance state.

Thereceiverincorporatesafailsafecircuitwhichguarantees a high output state when the inputs are left open.+

The DS36C279T is fully specified over the industrial tem-perature range (-40 to +85).






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