Datasheet

ManualsBrandsTEXAS INSTRUMENTS ManualsInterface ICsInterface IC - transceivers RS422, RS485 1/1 SOIC 8

DS75176B, DS75176BT

www.ti.com

SNLS381C –JULY 1998–REVISED APRIL 2013

DS75176B/DS75176BT Multipoint RS-485/RS-422 Transceivers

Check for Samples: DS75176B, DS75176BT

FEATURES

DESCRIPTION

The DS75176B is a high speed differential TRI-

• Meets EIA Standard RS485 for Multipoint Bus

STATE

bus/line transceiver designed to meet the

Transmission and is Compatible with RS-422.

requirements of EIA standard RS485 with extended

• Small Outline (SOIC) Package Option Available

common mode range (+12V to −7V), for multipoint

for Minimum Board Space.

data transmission. In addition, it is compatible with

RS-422.

• 22 ns Driver Propagation Delays.

• Single +5V Supply.

The driver and receiver outputs feature TRI-STATE

capability, for the driver outputs over the entire

• −7V to +12V Bus Common Mode Range

common mode range of +12V to −7V. Bus contention

Permits ±7V Ground Difference Between

or fault situations that cause excessive power

Devices on the Bus.

dissipation within the device are handled by a thermal

• Thermal Shutdown Protection.

shutdown circuit, which forces the driver outputs into

• High Impedance to Bus with Driver in TRI-

the high impedance state.

STATE or with Power Off, Over the Entire

DC specifications are guaranteed over the 0 to 70°C

Common Mode Range Allows the Unused

temperature and 4.75V to 5.25V supply voltage

Devices on the Bus to be Powered Down.

range.

• Pin Out Compatible with DS3695/A and

SN75176A/B.

• Combined Impedance of a Driver Output and

Receiver Input is Less Than One RS485 Unit

Load, Allowing up to 32 Transceivers on the

Bus.

• 70 mV Typical Receiver Hysteresis.

Connection and Logic Diagram

Figure 1. Top View

See Package Number P0008E or D0008A

These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam

during storage or handling to prevent electrostatic damage to the MOS gates.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

2TRI-STATE is a registered trademark of Texas Instruments.

3All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

Summary of content (14 pages)

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DS75176B, DS75176BT www.ti.com SNLS381C – JULY 1998 – REVISED APRIL 2013 DS75176B/DS75176BT Multipoint RS-485/RS-422 Transceivers Check for Samples: DS75176B, DS75176BT FEATURES DESCRIPTION • The DS75176B is a high speed differential TRISTATE®bus/line transceiver designed to meet the requirements of EIA standard RS485 with extended common mode range (+12V to −7V), for multipoint data transmission. In addition, it is compatible with RS-422.
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DS75176B, DS75176BT SNLS381C – JULY 1998 – REVISED APRIL 2013 Absolute Maximum Ratings www.ti.com (1) (2) Supply Voltage, VCC 7V Control Input Voltages 7V Driver Input Voltage 7V Driver Output Voltages +15V/ −10V Receiver Input Voltages (DS75176B) +15V/ −10V Receiver Output Voltage 5.
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DS75176B, DS75176BT www.ti.com SNLS381C – JULY 1998 – REVISED APRIL 2013 Electrical Characteristics (1) (2) (continued) 0°C ≤ TA≤ 70°C, 4.75V < VCC< 5.25V unless otherwise specified Symbol Parameter VIH Input High Voltage VIL Input Low Voltage VCL Input Clamp Voltage IIL Input Low Current IIH Input High Current IIN Input Current Conditions V 0.8 DI, DE, RE , E DO/RI, DO/RI −1.5 VIL = 0.4V −200 μA VIH = 2.4V 20 μA VIN = 12V +1.0 mA DE = 0V VIN = −7V −0.8 mA +0.
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DS75176B, DS75176BT SNLS381C – JULY 1998 – REVISED APRIL 2013 www.ti.com AC TEST CIRCUITS Note: S1 and S2 of load circuit are closed except as otherwise mentioned. Figure 2. Figure 3. Note: Unless otherwise specified the switches are closed. Figure 4. Figure 5. Switching Time Waveforms Figure 6. Driver Propagation Delays and Transition Times Figure 7.
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DS75176B, DS75176BT www.ti.com SNLS381C – JULY 1998 – REVISED APRIL 2013 Note: Differential input voltage may may be realized by grounding RI and pulsing RI between +2.5V and −2.5V Figure 8. Receiver Propagation Delays Figure 9. Receiver Enable and Disable Times Function Tables Table 1.
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DS75176B, DS75176BT SNLS381C – JULY 1998 – REVISED APRIL 2013 www.ti.com Table 2. DS75176B Receiving (1) Inputs (1) Outputs RE DE RI-RI RO 0 0 ≥ +0.2V 1 0 0 ≤ −0.
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DS75176B, DS75176BT www.ti.com SNLS381C – JULY 1998 – REVISED APRIL 2013 REVISION HISTORY Changes from Revision B (April 2013) to Revision C • Page Changed layout of National Data Sheet to TI format ............................................................................................................
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PACKAGE OPTION ADDENDUM www.ti.
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PACKAGE OPTION ADDENDUM www.ti.com 1-Nov-2013 Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above. Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.
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PACKAGE MATERIALS INFORMATION www.ti.com 11-Oct-2013 TAPE AND REEL INFORMATION *All dimensions are nominal Device Package Package Pins Type Drawing SPQ Reel Reel A0 Diameter Width (mm) (mm) W1 (mm) B0 (mm) K0 (mm) P1 (mm) W Pin1 (mm) Quadrant DS75176BMX SOIC D 8 2500 330.0 12.4 6.5 5.4 2.0 8.0 12.0 Q1 DS75176BMX/NOPB SOIC D 8 2500 330.0 12.4 6.5 5.4 2.0 8.0 12.0 Q1 DS75176BTMX SOIC D 8 2500 330.0 12.4 6.5 5.4 2.0 8.0 12.
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PACKAGE MATERIALS INFORMATION www.ti.com 11-Oct-2013 *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) DS75176BMX SOIC D 8 2500 367.0 367.0 35.0 DS75176BMX/NOPB SOIC D 8 2500 367.0 367.0 35.0 DS75176BTMX SOIC D 8 2500 367.0 367.0 35.0 DS75176BTMX/NOPB SOIC D 8 2500 367.0 367.0 35.
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IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest issue. Buyers should obtain the latest relevant information before placing orders and should verify that such information is current and complete.