Purchase DS36C279, In-stock DS36C279 From SeekIC.
Part Number: DS36C279
Description: The DS36C279 is a low power differential bus/line trans-ceiver designed to meet the requirements of RS-485 Stan-dard...
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DS36C279
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DataSheet
General Description
DS36C279 General 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 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.
ThedriverandreceiveroutputsfeatureTRI-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).
DS36C279 Maximum Ratings
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, derate 9.5 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
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, derate 9.5 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
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
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
- 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
DS36C279 Connection Diagram
DS36C279
PDF/DataSheet Download
- Datasheet: DS36C279
- File Size: 174228 KB
- Manufacturer: NSC [National Semiconductor]
- Click here to Download
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DS36C279 Relative Products
DS36C278TN
IC TXRX LO PWR TIA/EIA-485 8-DIP
DS36C278TMX/NOPB
IC TXRX LO PWR TIA/EIA-485 8SOIC
DS36C278TMX
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DS36C278TM/NOPB
IC TRANSCEIVER EIA LP 8-SOIC
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DS36C278M/NOPB
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