AM26C31C, AM26C31I, AM26C31M QUADRUPLE DIFFERENTIAL LINE DRIVERS SLLS103G – DECEMBER 1990 – REVISED SEPTEMBER 1998 D D D D D D D AM26C31C, AM26C31I . . . D, DB†, OR N PACKAGE AM26C31M . . . J OR W PACKAGE (TOP VIEW) Meet or Exceed the Requirements of TIA/EIA-422-B and ITU Recommendation V.11 Low Power, ICC = 100 µA Typ Operate From a Single 5-V Supply High Speed, tPLH = tPHL = 7 ns Typ Low Pulse Distortion, tsk(p) = 0.5 ns Typ High Output Impedance in Power-Off Conditions Improved Replacement for AM26LS31 1A 1Y 1Z G 2Z 2Y 2A GND description 1 16 2 15 3 14 4 13 5 12 6 11 7 10 8 9 VCC 4A 4Y 4Z G 3Z 3Y 3A † The DB package is only available left-ended taped (order AM26C31IDBLE or AM26C31CDBLE). The AM26C31C, AM26C31I, and AM26C31M are four complementary-output line drivers designed to meet the requirements of TIA/EIA -422-B and ITU (formerly CCITT). The 3-state outputs have high-current capability for driving balanced lines, such as twisted-pair or parallel-wire transmission lines, and they provide the high-impedance state in the power-off condition. The enable function is common to all four drivers and offers the choice of an active-high or active-low enable input. BiCMOS circuitry reduces power consumption without sacrificing speed. 1Y 1A NC VCC 4A AM26C31M . . . FK PACKAGE (TOP VIEW) 1Z G NC 2Z 2Y 3 2 1 20 19 18 5 17 6 16 7 15 8 14 9 10 11 12 13 4Y 4Z NC G 3Z 2A GND NC 3A 3Y The AM26C31C is characterized for operation from 0°C to 70°C, the AM26C31I is characterized for operation from – 40°C to 85°C, and the AM26C31M is characterized for operation from – 55°C to 125°C. 4 NC – No internal connection FUNCTION TABLE (each driver) ENABLES OUTPUTS G G Y H H X H L L H X L H H X L H L L X L L H X L H Z Z INPUT A Z H = high level, L = low level, X = irrelevant, Z = high impedance (off) 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 1998, 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 AM26C31C, AM26C31I, AM26C31M QUADRUPLE DIFFERENTIAL LINE DRIVERS SLLS103G – DECEMBER 1990 – REVISED SEPTEMBER 1998 logic symbol† G G 1A 2A 3A 4A 4 logic diagram (positive logic) ≥1 G EN 12 G 1A 2 1 3 6 7 5 10 9 11 14 15 13 1Y 2A 1Z 2Y 3A 2Z 4 12 2 1 3 6 7 5 10 9 11 3Y 3Z 4A 14 15 13 4Y 4Z † This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. The terminal numbers shown are for the D, DB, J, N, and W packages. schematics of inputs and outputs EQUIVALENT OF EACH INPUT TYPICAL OF ALL OUTPUTS VCC VCC 2 Input Output GND GND POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 1Y 1Z 2Y 2Z 3Y 3Z 4Y 4Z AM26C31C, AM26C31I, AM26C31M QUADRUPLE DIFFERENTIAL LINE DRIVERS SLLS103G – DECEMBER 1990 – REVISED SEPTEMBER 1998 absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† Supply voltage range, VCC (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to 7 V Input voltage range, VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to VCC + 0.5 V Differential input voltage range, VID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –14 V to 14 V Output voltage range, VO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to 7 V Input or output clamp current, IIK or IOK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±20 mA Output current, IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±150 mA VCC current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 mA GND current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –200 mA Continuous total power dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Dissipation Rating Table Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65°C to 150°C Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260°C † 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. NOTE 1: All voltage values, except differential output voltage (VOD), are with respect to the network ground terminal. DISSIPATION RATING TABLE PACKAGE TA ≤ 25°C POWER RATING DERATING FACTOR ABOVE TA = 25°C TA = 70°C POWER RATING TA = 85°C POWER RATING TA = 125°C POWER RATING D DB N FK J W 950 mW 781 mW 1150 mW 1375 mW 1375 mW 1000 mW 7.6 mW/°C 6.2 mW/°C 9.2 mW/°C 11 mW/°C 11 mW/°C 8.0 mW/°C 608 mW 502 mW 736 mW — — — 494 mW 409 mW 598 mW — — — — — — 275 mW 275 mW 200 mW recommended operating conditions MIN Supply voltage, VCC 4.5 NOM MAX 5 5.5 ±7 Differential input voltage, VID High-level input voltage, VIH UNIT V V 2 V Low-level input voltage, VIL 0.8 V High-level output current, IOH –20 mA 20 mA Low-level output current, IOL AM26C31C Operating free-air temperature, TA 0 70 AM26C31I –40 85 AM26C31M –55 125 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 °C 3 AM26C31C, AM26C31I, AM26C31M QUADRUPLE DIFFERENTIAL LINE DRIVERS SLLS103G – DECEMBER 1990 – REVISED SEPTEMBER 1998 electrical characteristics over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) PARAMETER TEST CONDITIONS VOH VOL High-level output voltage IO = – 20 mA IO = 20 mA |VOD| Differential output voltage magnitude ∆|VOD| Change in magnitude of differential output voltage‡ VOC ∆|VOC| Common-mode output voltage II Input current IO( O(off) ff) Driver output current with power off IOS Driver output short-circuit current Low-level output voltage AM26C31C AM26C31I MIN TYP† 2.4 3.4 V 0.2 2 RL = 100 Ω Ω, UNIT MAX 0.4 3.1 V See Figure 1 Change in magnitude of common-mode output voltage‡ VI = VCC or GND VCC = 0, VO = 6 V VCC = 0, VO = 0 IOZ High impedance off High-impedance off-state state output current ICC Quiescent supply current –30 VI = 0 V or 5 V IO = 0,, See Note 2 VI = 2.4 V or 0.5 V,, V 3 V ±0.4 V ±1 µA –100 µA –150 mA 20 µA –20 µA 100 µA 3 mA VO = 2.5 V VO = 0.5 V IO = 0, ±0.4 100 VO = – 0.25 V V 15 1.5 Ci Input capacitance 6 pF † All typical values are at VCC = 5 V and TA = 25°C. ‡ ∆|VOD| and ∆|VOC| are the changes in magnitude of VOD and VOC, respectively, that occur when the input is changed from a high level to a low level. NOTE 2: This parameter is measured per input. All other inputs are at 0 or 5 V. switching characteristics over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) PARAMETER TEST CONDITIONS tPLH tPHL Propagation delay time, low- to high-level output tsk(p) Pulse skew time (| tPLH – tPHL|) tr(OD), tf(OD) tPZH Differential output rise and fall times tPZL tPHZ Output enable time to low level tPLZ Output disable time from low level Cpd Power dissipation capacitance (each driver) (see Note 3) Propagation delay time, high- to low-level output S1 is open, S1 is open, See Figure 2 See Figure 3 Output enable time to high level Output disable time from high level S1 is closed closed, S1 is open, See Figure 4 See Figure 2 AM26C31C AM26C31I TYP† MAX 3 7 12 ns 3 7 12 ns 0.5 4 ns 5 10 ns 10 19 ns 10 19 ns 7 16 ns 7 16 ns 170 † All typical values are at VCC = 5 V and TA = 25°C. NOTE 3: Cpd is used to estimate the switching losses according to PD = Cpd × VCC2 × f, where f is the switching frequency. 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 UNIT MIN pF AM26C31C, AM26C31I, AM26C31M QUADRUPLE DIFFERENTIAL LINE DRIVERS SLLS103G – DECEMBER 1990 – REVISED SEPTEMBER 1998 electrical characteristics over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) PARAMETER VOH VOL High-level output voltage |VOD| Differential output voltage magnitude ∆|VOD| Change in magnitude of differential output voltage‡ MIN IO = – 20 mA IO = 20 mA Low-level output voltage 2.2 RL = 100 Ω Ω, Common-mode output voltage ∆|VOC| Change in magnitude of common-mode output voltage‡ II Input current 3.4 0.4 3.1 Driver output current with power off IOS Driver output short-circuit current IOZ High impedance off High-impedance off-state state output current VO = 2.5 V VO = 0.5 V Quiescent supply current IO = 0, IO = 0, VCC = 0, VO = 0 See Figure 1 ±0.4 V 3 V ±0.4 V ±1 µA 100 VO = – 0.25 V –100 VI = 0 V or 5 V VI = 2.4 V or 0.5 V, V V VI = VCC or GND VCC = 0, VO = 6 V IO( ff) O(off) UNIT V 0.2 2 VOC ICC AM26C31M TYP† MAX TEST CONDITIONS µA –170 mA See Note 2 20 µA –20 µA 100 µA 3.2 mA Ci Input capacitance 6 pF † All typical values are at VCC = 5 V and TA = 25°C. ‡ ∆|VOD| and ∆|VOC| are the changes in magnitude of VOD and VOC, respectively, that occur when the input is changed from a high level to a low level. NOTE 2: This parameter is measured per input. All other inputs are at 0 V or 5 V. switching characteristics over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) PARAMETER TEST CONDITIONS tPLH tPHL Propagation delay time, low- to high-level output tsk(p) Pulse skew time (| tPLH – tPHL|) tr(OD), tf(OD) tPZH Differential output rise and fall times tPZL tPHZ Output enable time to low level tPLZ Output disable time from low level Cpd Power dissipation capacitance (each driver) (see Note 3) Propagation delay time, high- to low-level output S1 is open, S1 is open, See Figure 2 See Figure 3 Output enable time to high level Output disable time from high level S1 is closed closed, S1 is open, See Figure 4 See Figure 2 AM26C31M TYP† MAX UNIT MIN 7 12 ns 6.5 12 ns 0.5 4 ns 5 12 ns 10 19 ns 10 19 ns 7 16 ns 7 16 ns 100 pF † All typical values are at VCC = 5 V and TA = 25°C. NOTE 3: Cpd is used to estimate the switching losses according to PD = Cpd × VCC2 × f, where f is the switching frequency. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 5 AM26C31C, AM26C31I, AM26C31M QUADRUPLE DIFFERENTIAL LINE DRIVERS SLLS103G – DECEMBER 1990 – REVISED SEPTEMBER 1998 PARAMETER MEASUREMENT INFORMATION RL/2 VOD2 RL/2 VOC Figure 1. Differential and Common-Mode Output Voltages RL/2 C2 40 pF 500 Ω 1.5 V C1 40 pF Input S1 RL/2 C3 40 pF See Note A TEST CIRCUIT Input A (see Note B) 3V 1.3 V 0V tPLH tPHL Output Y 50% 50% 1.3 V tsk(p) tsk(p) Output Z 50% 50% 1.3 V tPHL tPLH NOTES: A. C1, C2, and C3 include probe and jig capacitance. B. All input pulses are supplied by generators having the following characteristics: PRR ≤ 1 MHz, duty cycle ≤ 50%, and tr tf ≤ 6 ns. Figure 2. Propagation Delay Time and Skew Waveforms and Test Circuit 6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 AM26C31C, AM26C31I, AM26C31M QUADRUPLE DIFFERENTIAL LINE DRIVERS SLLS103G – DECEMBER 1990 – REVISED SEPTEMBER 1998 PARAMETER MEASUREMENT INFORMATION RL/2 C2 40 pF 500 Ω 1.5 V C1 40 pF Input S1 RL/2 C3 40 pF See Note A TEST CIRCUIT 3V Input A (see Note B) Differential Output 0V 90% 90% 10% 10% tr(OD) tf(OD) VOLTAGE WAVEFORMS NOTES: A. C1, C2, and C3 include probe and jig capacitance. B. All input pulses are supplied by generators having the following characteristics: PRR ≤ 1 MHz, duty cycle ≤ 50%, and tr, tf ≤ 6 ns. Figure 3. Differential Output Rise and Fall Time Waveforms and Test Circuit POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 7 AM26C31C, AM26C31I, AM26C31M QUADRUPLE DIFFERENTIAL LINE DRIVERS SLLS103G – DECEMBER 1990 – REVISED SEPTEMBER 1998 PARAMETER MEASUREMENT INFORMATION Output C2 40 pF 0V 3V Inputs (see Note B) C1 40 pF Input A G 50 Ω 500 Ω 1.5 V C3 40 pF S1 50 Ω Output G See Note A TEST CIRCUIT Enable G Input (see Note C) 3V 1.3 V 1.3 V Enable G Input 0V 1.5 V Output WIth 0 V to A Input VOL + 0.3 V 0.8 V VOL tPLZ tPZL VOH Output WIth 3 V to A Input VOH – 0.3 V 2V 1.5 V tPHZ tPZH VOLTAGE WAVEFORMS NOTES: A. C1, C2, and C3 includes probe and jig capacitance. B. All input pulses are supplied by generators having the following characteristics: PRR ≤ 1 MHz, duty cycle ≤ 50%, tr < 6 ns, and tf < 6 ns. C. Each enable is tested separately. Figure 4. Output Enable and Disable Time Waveforms and Test Circuit 8 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 AM26C31C, AM26C31I, AM26C31M QUADRUPLE DIFFERENTIAL LINE DRIVERS SLLS103G – DECEMBER 1990 – REVISED SEPTEMBER 1998 TYPICAL CHARACTERISTICS SUPPLY CURRENT vs SWITCHING FREQUENCY 300 IIDD CC – Supply Current – mA 250 ÁÁ ÁÁ 200 150 100 VCC = 5 V TA = 25°C See Figure 2 S1 Open All Four Channels Switching Simultaneously N Package 50 0 0 5 10 15 20 25 30 35 40 f – Switching Frequency – MHz Figure 5 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 9 IMPORTANT NOTICE Texas Instruments and its subsidiaries (TI) reserve the right to make changes to their products or to discontinue any product or service without notice, and advise customers to obtain the latest version of relevant information to verify, before placing orders, that information being relied on is current and complete. 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