SN65ALS1176 DIFFERENTIAL BUS TRANSCEIVER SLLS295A - APRIL 1998 - REVISED DECEMBER 1999 D D D D D D D D D D D D D Meets or Exceeds the Requirements of TIA/EIA-422-B, TIA/EIA-485-A, and ITU Recommendations V.11 and X.27 Recommended for PROFIBUS Applications Operates at Data Rates up to 35 MBaud Operating Temperature Range . . . - 25C to 85C Designed for Multipoint Transmission on Long Bus Lines in Noisy Environments Low Supply-Current Requirement . . . 30 mA Max Wide Positive and Negative Input/Output Bus-Voltage Ranges Thermal-Shutdown Protection Driver Positive- and Negative-Current Limiting Receiver Input Hysteresis Glitch-Free Power-Up and Power-Down Protection Receiver Open-Circuit Fail-Safe Design Package Options Include Plastic Small-Outline (D) Package and (P) DIPs D OR P PACKAGE (TOP VIEW) R RE DE D 1 8 2 7 3 6 4 5 VCC B A GND The D package is available taped and reeled. Add the suffix R to the device type (e.g., SN65ALS1176DR). description The SN65ALS1176 differential bus transceiver is designed for bidirectional data communication on multipoint bus transmission lines. It is designed for balanced transmission lines and meets TIA/EIA-422-B, TIA/EIA-485-A, and ITU Recommendations V.11 and X.27. The SN65ALS1176 combines a 3-state differential line driver and a differential input line receiver, both of which operate from a single 5-V power supply. The driver and receiver have active-high and active-low enables, respectively, that can be connected together externally to function as a direction control. The driver differential outputs and the receiver differential inputs are connected internally to form a differential input/output (I/O) bus port that is designed to offer minimum loading to the bus when the driver is disabled or VCC = 0. This port features wide positive and negative common-mode voltage ranges, making the device suitable for party-line applications. The SN65ALS1176 is characterized for operation from - 25C to 85C. 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. Copyright 1999, Texas Instruments Incorporated PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 1 SN65ALS1176 DIFFERENTIAL BUS TRANSCEIVER SLLS295A - APRIL 1998 - REVISED DECEMBER 1999 Function Tables DRIVERS OUTPUTS INPUT D ENABLE DE H H H L L H L H X L Z Z A B RECEIVER DIFFERENTIAL INPUTS A-B ENABLE RE OUTPUT R VID 0.2 V - 0.2 V < VID < 0.2 V L H L ? VID - 0.2 V X L L H Z Inputs open L H H = high level, L = low level, X = irrelevant, ? = Indeterminate, Z = high impedance (off) logic symbol DE RE D R 3 2 logic diagram (positive logic) EN1 DE EN2 6 4 1 A D 4 7 1 1 3 B RE 2 R 2 6 1 This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. 2 POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 7 A Bus B SN65ALS1176 DIFFERENTIAL BUS TRANSCEIVER SLLS295A - APRIL 1998 - REVISED DECEMBER 1999 schematics of inputs and outputs EQUIVALENT OF EACH INPUT VCC TYPICAL OF A AND B I/O PORTS TYPICAL OF RECEIVER OUTPUT VCC 85 NOM 180 k NOM R(eq) VCC Connected on A Port Input A or B 18 k NOM 180 k NOM Connected on B Port Driver Input: R(eq) = 3 k NOM Enable Inputs: R(eq) = 8 k NOM R(eq) = equivalent resistor 3 k NOM Output 1.1 k NOM absolute maximum ratings over operating free-air temperature range (unless otherwise noted) Supply voltage, VCC (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V Voltage range at any bus terminal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 7 V to 12 V Enable input voltage, VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5 V Package thermal impedance, JA (see Note 2): D package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97C/W P package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85C/W Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260C Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . - 65C to 150C 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 under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTES: 1. All voltage values, except differential I/O bus voltage, are with respect to network ground terminal. 2. The package thermal impedance is calculated in accordance with JESD 51. recommended operating conditions Supply voltage, VCC MIN NOM MAX UNIT 4.75 5 5.25 V 12 Input voltage at any bus terminal (separately or common mode), mode) VI or VIC -7 High-level input voltage, VIH D, DE, and RE Low-level input voltage, VIL D, DE, and RE 2 Driver High level output current, current IOH High-level V 0.8 Differential input voltage, VID (see Note 3) Receiver 12 V mA - 400 A 60 Receiver Operating free-air temperature, TA V - 60 Driver Low level output current Low-level current, IOL V 8 - 25 85 mA C NOTE 3: Differential input/output bus voltage is measured at the noninverting terminal A with respect to the inverting terminal B. POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 3 SN65ALS1176 DIFFERENTIAL BUS TRANSCEIVER SLLS295A - APRIL 1998 - REVISED DECEMBER 1999 DRIVER SECTION electrical characteristics over recommended ranges of supply voltage and operating free-air temperature range (unless otherwise noted) TEST CONDITIONS PARAMETER VIK VO Input clamp voltage Output voltage II = - 18 mA IO = 0 |VOD1| Differential output voltage IO = 0 |VOD2| Differential output voltage VOD3 Differential output voltage |VOD| Change in magnitude of differential output voltage VOC Common mode output voltage Common-mode |VOC| Change in magnitude of common-mode output voltage IO Output current IIH IIL High-level input current IOS ICC Low-level input current Short circuit output current# Short-circuit Supply current MIN TYP MAX UNIT - 1.5 V 0 6 V 1.5 6 V RL = 100 , See Figure 1 1/2 VOD 1 or 2 RL = 54 , See Figure 1 2.1 Vtest = - 7 V to 12 V, See Figure 2 1.5 RL = 54 or 100 , Outputs disabled,, See Note 4 V 2.5 See Figure 1 VO = 12 V VO = - 7 V 5 V 5 V 0.2 V 3 -1 V 0.2 V 1 - 0.8 VI = 2.4 V VI = 0.4 V 20 A - 400 A VO = - 4 V VO = 0 - 250 VO = VCC VO = 8 V 250 No load mA - 150 mA 250 Outputs enabled 23 30 Outputs disabled 19 26 mA The power-off measurement in TIA/EIA-422-B applies to disabled outputs only and is not applied to combined inputs and outputs. All typical values are at VCC = 5 V and TA = 25C. The minimum VOD2 with a 100- load is either 1/2 VOD1 or 2 V, whichever is greater. |VOD| and |VOC| are the changes in magnitude of VOD and VOC, respectively, that occur when the input is changed from one logic state to the other. # Duration of the short circuit should not exceed one second for this test. NOTE 4: This applies for both power on and power off; refer to TIA/EIA-485-A for exact conditions. The TIA/EIA-422-B limit does not apply for a combined driver and receiver terminal. 4 POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 SN65ALS1176 DIFFERENTIAL BUS TRANSCEIVER SLLS295A - APRIL 1998 - REVISED DECEMBER 1999 switching characteristics over recommended ranges of supply voltage and operating free-air temperature range PARAMETER td(OD) tsk(p) Differential output delay time Pulse skew tt(OD) Differential output transition time TEST CONDITIONS RL = 54 , See Figure 3 MIN CL = 50 pF, F TYP 0 MAX UNIT 15 ns 2 ns 8 ns tPZH Output enable time to high level RL = 110 , See Figure 4 tPZL Output enable time to low level RL = 110 , See Figure 5 CL = 50 pF, 30 ns tPHZ Output disable time from high level RL = 110 , See Figure 4 CL = 50 pF, 50 ns tPLZ Output disable time from low level RL = 110 , See Figure 5 CL = 50 pF, 30 ns CL = 50 pF, 80 ns All typical values are at VCC = 5 V, TA = 25C. Pulse skew is defined as the |tPLH - tPHL| of each channel of the same device. SYMBOL EQUIVALENTS DATA-SHEET PARAMETER TIA/EIA-422-B TIA/EIA-485-A VO |VOD1| Voa, Vob Vo Voa, Vob Vo |VOD2| Vt (RL = 100 ) |VOD3| None Vt (RL = 54 ) Vt (test termination measurement 2) |VOD| | |Vt| - |Vt| | | |Vt| - |Vt| | VOC |VOC| |Vos| |Vos - Vos| |Isa|, |Isb| |Vos| |Vos - Vos| None |Ixa|, |Ixb| Iia, Iib IOS IO POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 5 SN65ALS1176 DIFFERENTIAL BUS TRANSCEIVER SLLS295A - APRIL 1998 - REVISED DECEMBER 1999 RECEIVER SECTION electrical characteristics over recommended ranges of common-mode input voltage, supply voltage, and operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS VIT+ VIT - Positive-going input threshold voltage Vhys VIK Hysteresis voltage (VIT + - VIT -) Negative-going input threshold voltage VO = 2.7 V, VO = 0.5 V, IO = - 0.4 mA IO = 8 mA II = - 18 mA VOH High level output voltage High-level VID = 200 mV,, See Figure 6 , IOH = - 400 A, VOL Low level output voltage Low-level VID = - 200 mV,, See Figure 6 IOL = 8 mA,, IOZ High-impedance-state output current VO = 0.4 V to 2.4 V VI Line input current Other input = 0 V,, See Note 5 IIH IIL High-level-enable input current rI Input resistance IOS Short-circuit output current ICC Supply current TYP MAX 0.2 - 0.2 27 2.7 VI = 12 V VI = - 7 V No load 0 45 0.45 V 20 A 1 - 0.8 20 - 100 VO = 0 Outputs enabled 20 - 15 Outputs disabled V V VIH = 2.7 V VIL = 0.4 V VID = 200 mV, V mV - 1.5 12 UNIT V 60 Enable-input clamp voltage Low-level-enable input current MIN mA A A k - 85 23 30 19 26 mA mA All typical values are at VCC = 5 V, TA = 25C. The algebraic convention, in which the less positive (more negative) limit is designated minimum, is used in this data sheet for common-mode input voltage and threshold voltage levels only. NOTE 5: This applies for both power on and power off. Refer to TIA/EIA-485-A for exact conditions. switching characteristics over recommended ranges of supply voltage and operating free-air temperature range PARAMETER tpd tsk(p) Propagation time Pulse skew tPZH tPZL Output enable time to high level TEST CONDITIONS VID = - 1.5 V to 1.5 V,, See Figure 7 Output enable time to low level CL = 15 pF, pF tPHZ Output disable time from high level tPLZ Output disable time from low level All typical values are at VCC = 5 V, TA = 25C. Pulse skew is defined as the |tPLH - tPHL| of each channel of the same device. 6 POST OFFICE BOX 655303 MIN TYP * DALLAS, TEXAS 75265 UNIT 25 ns 0 2 ns 11 18 ns 11 18 ns 50 ns 30 ns CL = 15 pF,, See Figure 8 MAX SN65ALS1176 DIFFERENTIAL BUS TRANSCEIVER SLLS295A - APRIL 1998 - REVISED DECEMBER 1999 PARAMETER MEASUREMENT INFORMATION RL 2 VOD2 RL 2 VOC Figure 1. Driver VOD2 and VOC Test Circuit 375 VOD3 60 375 Vtest Figure 2. Driver VOD3 Test Circuit 3V 1.5 V Input RL = 54 Generator (see Note B) 1.5 V CL = 50 pF (see Note A) Output 50 0V td(ODL) (see Note C) 2.5 V td(ODH) (see Note C) 90% 90% Output 3V 50% 10% 50% 10% tt(OD) TEST CIRCUIT -2.5 V tt(OD) VOLTAGE WAVEFORMS NOTES: A. CL includes probe and jig capacitance. B. The input pulse is supplied by a generator having the following characteristics: PRR 1 MHz, 50% duty cycle, tr 6 ns, tf 6 ns, ZO = 50 . C. td(OD) = td(ODH) or td(ODL) Figure 3. Driver Differential-Output Delay and Transition Times POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 7 SN65ALS1176 DIFFERENTIAL BUS TRANSCEIVER SLLS295A - APRIL 1998 - REVISED DECEMBER 1999 PARAMETER MEASUREMENT INFORMATION Output 3V S1 1.5 V Input 1.5 V 0 V or 3 V 0V RL = 110 CL = 50 pF (see Note A) Generator (see Note B) 0.5 V tPZH VOH Output 2.3 V tPHZ 50 TEST CIRCUIT Voff 0 V VOLTAGE WAVEFORMS NOTES: A. CL includes probe and jig capacitance. B. The input pulse is supplied by a generator having the following characteristics: PRR 1 MHz, 50% duty cycle, tr 6 ns, tf 6 ns, ZO = 50 . Figure 4. Driver Enable and Disable Times 5V 3V RL = 110 S1 1.5 V Input 0V Output tPZL 0 V or 3 V tPLZ CL = 50 pF (see Note A) Generator (see Note B) 1.5 V 2.3 V Output 50 5V 0.5 V VOL TEST CIRCUIT VOLTAGE WAVEFORMS NOTES: A. CL includes probe and jig capacitance. B. The input pulse is supplied by a generator having the following characteristics: PRR 1 MHz, 50% duty cycle, tr 6 ns, tf 6 ns, ZO = 50 . Figure 5. Driver Enable and Disable Times 8 POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 SN65ALS1176 DIFFERENTIAL BUS TRANSCEIVER SLLS295A - APRIL 1998 - REVISED DECEMBER 1999 PARAMETER MEASUREMENT INFORMATION VID VOH + IOL - IOH VOL Figure 6. Receiver VOH and VOL Test Circuit 3V Input Generator (see Note B) 1.5 V 1.5 V Output 0V 51 1.5 V CL = 15 pF (see Note A) tPHL tPLH (see Note C) (see Note C) VOH 0V 1.3 V Output 1.3 V VOL TEST CIRCUIT VOLTAGE WAVEFORMS NOTES: A. CL includes probe and jig capacitance. B. The input pulse is supplied by a generator having the following characteristics: PRR 1 MHz, 50% duty cycle, tr 6 ns, tf 6 ns, ZO = 50 . C. tpd = tPLH or tPHL Figure 7. Receiver Propagation-Delay Times POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 9 SN65ALS1176 DIFFERENTIAL BUS TRANSCEIVER SLLS295A - APRIL 1998 - REVISED DECEMBER 1999 PARAMETER MEASUREMENT INFORMATION 5V S2 S1 1.5 V 2 k -1.5 V Output 5 k Generator (see Note B) 1N916 or Equivalent 50 S3 TEST CIRCUIT 3V Input 3V S1 to 1.5 V S2 Open S3 Closed 1.5 V S1 to - 1.5 V 1.5 V S2 Closed S3 Open 0V Input 0V tPZH tPZL VOH Output 4.5 V 1.5 V 0V Output 1.5 V VOL 3V Input 3V S1 to 1.5 V S2 Closed S3 Closed 1.5 V 0V Input 1.5 V 0V tPHZ tPLZ 1.3 V VOH Output S1 to - 1.5 V S2 Closed S3 Closed 0.5 V Output 0.5 V 1.3 V VOL VOLTAGE WAVEFORMS NOTES: A. CL includes probe and jig capacitance. B. The input pulse is supplied by a generator having the following characteristics: PRR 1 MHz, 50% duty cycle, tr 6 ns, tf 6 ns, ZO = 50 . Figure 8. Receiver Output Enable and Disable Times 10 POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 SN65ALS1176 DIFFERENTIAL BUS TRANSCEIVER SLLS295A - APRIL 1998 - REVISED DECEMBER 1999 APPLICATION INFORMATION RT RT Up to 53 Transceivers * * * NOTE A: The line should terminate at both ends in its characteristic impedance (RT = ZO). Stub lengths off the main line should be kept as short as possible. Figure 9. Typical Application Circuit POST OFFICE BOX 655303 * DALLAS, TEXAS 75265 11 PACKAGE OPTION ADDENDUM www.ti.com 28-Aug-2010 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Drawing Pins Package Qty Eco Plan (2) Lead/ Ball Finish MSL Peak Temp (3) Samples (Requires Login) SN65ALS1176D ACTIVE SOIC D 8 75 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Purchase Samples SN65ALS1176DE4 ACTIVE SOIC D 8 75 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Purchase Samples SN65ALS1176DG4 ACTIVE SOIC D 8 75 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Purchase Samples SN65ALS1176DR ACTIVE SOIC D 8 2500 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Contact TI Distributor or Sales Office SN65ALS1176DRE4 ACTIVE SOIC D 8 2500 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Contact TI Distributor or Sales Office SN65ALS1176DRG4 ACTIVE SOIC D 8 2500 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Contact TI Distributor or Sales Office (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability information and additional product content details. TBD: The Pb-Free/Green conversion plan has not been defined. Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes. 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 0.1% by weight in homogeneous material) (3) MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature. Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. 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Addendum-Page 2 PACKAGE MATERIALS INFORMATION www.ti.com 19-Mar-2008 TAPE AND REEL INFORMATION *All dimensions are nominal Device SN65ALS1176DR Package Package Pins Type Drawing SOIC D 8 SPQ Reel Reel Diameter Width (mm) W1 (mm) 2500 330.0 12.4 Pack Materials-Page 1 A0 (mm) B0 (mm) K0 (mm) P1 (mm) 6.4 5.2 2.1 8.0 W Pin1 (mm) Quadrant 12.0 Q1 PACKAGE MATERIALS INFORMATION www.ti.com 19-Mar-2008 *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) SN65ALS1176DR SOIC D 8 2500 340.5 338.1 20.6 Pack Materials-Page 2 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. 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