SN75ALS053 QUADRUPLE FUTUREBUS TRANSCEIVER SLLS034B – JANUARY 1988 – REVISED MAY 1995 D D D D D D D D D D N PACKAGE (TOP VIEW) High-Speed Quadruple Transceiver Meets or Exceeds Requirements of IEEE Std. 896.1 – 1987 Drives Load Impedances as Low as 10 Ω High-Speed Advanced Low-Power Schottky Circuits Low Power Dissipation . . . 81 mW Max per Channel High-Impedance PNP Inputs BTL Logic Level 1-V Bus Swing Reduces Power Consumption Low Bus-Port Capacitance Power-Up/Power-Down Protection (Glitch Free) Open-Collector Driver Outputs Allows Wired-OR Connections Multiple Bus Channel Ground Returns to Reduce Channel Noise Interference Designed to be a Faster, Lower Power Functional Equivalent of the National Semiconductor DS3893 VCC D1 R1 D2 R2 LOGIC GND D3 R3 D4 R4 1 20 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 BG GND BUS GND B1 B2 BUS GND B3 B4 BUS GND RE TE FN PACKAGE (TOP VIEW) R1 D1 VCC BG GND BUS GND D D D2 R2 LOGIC GND D3 R3 description 4 3 2 1 20 19 18 5 17 6 16 7 15 8 14 9 10 11 12 13 B1 B2 BUS GND B3 B4 D4 R4 TE RE BUS GND The SN75ALS053 is a four-channel, monolithic, high-speed, advanced low-power Schottky device designed for two-way data communication in a densely populated backplane. The SN75ALS053 has independent driver input (Dn) and receiver output (Rn) pins and separate driver and receiver disables. This transceiver is designed for use in high-speed bus systems and is similar to the SN75ALS057 transceiver except that the trapezoidal feature has been eliminated to speed up the propagation delays. These transceivers feature open-collector driver outputs, each with a series Schottky diode to reduce capacitive loading to the bus. By using a 2-V pullup on the bus, the output signal swing will be approximately 1 V, which reduces the power necessary to drive the bus load capacitance. The driver outputs are capable of driving an equivalent dc load of as low as 10 Ω. The receivers have a precision threshold set by an internal bandgap reference to give accurate input thresholds over VCC and temperature variations. These transceivers are compatible with Backplane Transceiver Logic (BTL) technology at significantly reduced power dissipation per channel. The SN75ALS053 is characterized for operation from 0° to 70°C. 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. BTL and DS3893 are trademarks of National Semiconductor Corporation. Copyright 1995, 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 SN75ALS053 QUADRUPLE FUTUREBUS TRANSCEIVER SLLS034B – JANUARY 1988 – REVISED MAY 1995 FUNCTION TABLE TRANSMIT/RECEIVE CONTROLS CHANNELS TE RE D→B B→R L L D R L H D D H L T R H H T D H = high level, L = low level, R = receive, T = transmit, D = disable Direction of data transmission is from Dn to Bn, direction of data reception is from Bn to Rn. logic symbol† TE RE D1 R1 D2 R2 D3 R3 D4 R4 11 12 logic diagram (positive logic) EN1 (D-B) TE EN2 (B-R) RE 2 3 4 1 18 5 7 15 8 9 10 14 B2 B3 Xmit D1 R1 18 2 B1 3 Rcv B4 Two Identical Channels Not Shown † This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. D4 R4 2 12 B1 2 17 11 POST OFFICE BOX 655303 9 10 • DALLAS, TEXAS 75265 14 B4 SN75ALS053 QUADRUPLE FUTUREBUS TRANSCEIVER SLLS034B – JANUARY 1988 – REVISED MAY 1995 schematics of inputs and outputs DRIVER OUTPUT RECEIVER INPUT VCC RE INPUT VCC 20 kΩ Bn RE Input ESD Protect ESD Protect 850 µA GND GND RECEIVER OUTPUT DRIVER INPUT VCC 25 Ω 20 kΩ To 3 Other Gates TE Rn ESD Protect Dn ESD Protect ESD Protect GND All resistor values shown are nominal. absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† Supply voltage, VCC (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 V Control input voltage,VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5 V Driver input voltage,VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5 V Driver output voltage,VO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5 V Receiver input voltage,VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5 V Receiver output voltage,VO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5 V Continuous total power dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Dissipation Rating Table Operating free-air temperature range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . – 65°C to 150°C Case temperature for 10 seconds, TC: FN package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260°C Lead temperature 1,6 mm (1/16 in) from case for 10 seconds: N package . . . . . . . . . . . . . . . . . . . . . . . 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: Voltage values are with respect to network ground terminal. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 3 SN75ALS053 QUADRUPLE FUTUREBUS TRANSCEIVER SLLS034B – JANUARY 1988 – REVISED MAY 1995 DISSIPATION RATING TABLE PACKAGE TA < 25°C POWER RATING DERATING FACTOR ABOVE TA = 25°C TA = 70°C POWER RATING FN 1400 MW 11.2 MW/°C 896 MW N 1150 MW 9.2 MW/°C 736 mW recommended operating conditions Supply voltage, VCC High-level driver and control input voltage, VIH MIN NOM MAX UNIT 4.75 5 5.25 V 2 V Low-level driver and control input voltage, VIL 0.8 Bus termination voltage Operating free-air temperature, TA V 1.9 2.1 V 0 70 °C electrical characteristics over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) PARAMETER TEST CONDITIONS VIK Input clamp voltage at Dn, DE, or RE VIT Receiver input threshold voltage at Bn VOH VOL RE at 0.8 V, Rn Bn at 2 V, IOL = 20 mA RE at 0.8 V, Bn Dn at 2.4 V, VL = 2 V, TE at 2.4 V, RL = 10 Ω VI = VCC VI = 2 V, Dn at 0.8 V, VCC = 0 or 5.25 V, TE at 0.8 V Low level output voltage Low-level Dn, TE or RE High-level input current IIL Low-level input current at Dn, TE or RE VI = 0.4 V IOS Short-circuit output at Rn Rn at 0 V, Bn at 1.2 V, ICC Co(B) Supply current VCC = 5 V, TA = 25°C Bn POST OFFICE BOX 655303 MAX UNIT – 1.5 V 1.674 V 2.5 V 0.5 See Figure 1, V 0.75 1.2 40 IIH 4 TYP 1.426 Bn at 1.2 V, IOH = –1 mA High-level output voltage at Rn Driver output capacitance MIN II = – 18 mA • DALLAS, TEXAS 75265 RE at 0.8 V 100 – 70 6.5 µA – 400 µA – 200 mA 65 mA pF SN75ALS053 QUADRUPLE FUTUREBUS TRANSCEIVER SLLS034B – JANUARY 1988 – REVISED MAY 1995 switching characteristics over recommended ranges of supply voltage and operating free-air temperature driver PARAMETER tPLH tPHL Propagation delay time low-to-high-level output tPLH tPHL Propagation delay time low-to-high-level output tTLH tTHL Transition time, low-to-high-level output FROM (INPUT) TO (OUTPUT) Dn Bn TE at 3 V,, See Figure 2 VL = 2 V,, Dn Bn Dn at 3 V,, See Figure 2 VL = 2 V,, Dn Bn TE at 3 V,, See Figure 2 VL = 2 V,, Dn Bn TE at 3 V, VL = 2 V Propagation delay time high-to-low-level output Propagation delay time high-to-low-level output Transition time, high-to-low-level output Skew between driver channels † TEST CONDITIONS MIN MAX 2 7 2 7 2 7 2 7 0.5 5 0.5 5 1 UNIT ns ns ns ns receiver PARAMETER tPLH Propagation delay time, low-to-high-level output FROM (INPUT) TO (OUTPUT) Bn Rn TEST CONDITIONS 0 3 V, V RE at 0.3 tPHL Propagation delay time, high-to-low-level output tPLZ Output disable time from low level RE Rn Bn at 2 V, CL = 5 pF, tPZL Output enable time to low level RE Rn Bn at 2 V, CL = 5 pF, tPHZ Output disable time from high level RE Rn Bn at 1 V, CL = 5 pF, tPZH Output enable time to high level RE Rn Skew between receiver channels† Bn Rn MIN MAX 2 8 2 8 UNIT ns 03V TE at 0.3 TE at 0.3 V, RL1 = 500 Ω, TE at 0.3 V, RL1 = 500 Ω, VL = 5 V, See Figure 4 6 ns VL = 5 V, See Figure 4 12 ns VL = 0, See Figure 4 6 ns Bn at 1 V, CL = 5 pF, TE at 0.3 V, RL1 = 500 Ω, TE at 0.3 V, RL1 = 500 Ω, VL = 0, See Figure 4 12 ns RE at 0.3 V, TE at 0.3 V 1 ns † Skew is the difference between the propagation delay time (tPLH or tPHL) of one receiver channel and that same propagation delay time of any other receiver channel. It applies for both tPLH and tPHL. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 5 SN75ALS053 QUADRUPLE FUTUREBUS TRANSCEIVER SLLS034B – JANUARY 1988 – REVISED MAY 1995 PARAMETER MEASUREMENT INFORMATION VL RL SN75ALS053 (Bn) VO Figure 1. Driver Low-Level-Output-Voltage Test Circuit VL 10 Ω VI(Dn, TE) SN75ALS053 VO (Bn) 30 pF (includes jig capacitance) TEST CIRCUIT 3V VI(Dn, TE) 1.5 V 1.5 V 0V tPLH VO(Bn) tPHL VOH VOL 1.55 V 10% 90% 90% tTLH 1.55 V 10% tTHL VOLTAGE WAVEFORMS NOTE: tr = tf ≤ 5 ns from 10% to 90% Figure 2. Driver Test Circuit and Voltage Waveforms 6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 SN75ALS053 QUADRUPLE FUTUREBUS TRANSCEIVER SLLS034B – JANUARY 1988 – REVISED MAY 1995 PARAMETER MEASUREMENT INFORMATION VI(Bn) SN75ALS053 VO (Rn) 50 pF (includes jig capacitance) TEST CIRCUIT 2V VI(Bn) 1.55 V 1.55 V 1V VOH VO(Rn) tPHL tPLH 1.5 V 1.5 V VOL VOLTAGE WAVEFORMS NOTE: tr = tf ≤ 10 ns from 10% to 90% Figure 3. Receiver Test Circuit and Voltage Waveforms VL VI(RE) RL1 VO SN75ALS053 (Rn) CL (includes jig capacitance) TEST CIRCUIT VI(RE) 3V 1.5 V 1.5 V 0V 0.5 V tPHZ tPZH 1.5 V VO(Rn) tPLZ tPZL 0.5 V 1.5 V VO(Rn) VOLTAGE WAVEFORMS NOTE: tr = tf ≤ 5 ns from 10% to 90% Figure 4. Test CIrcuit and Voltage Waveforms From RE to Rn POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 7 PACKAGE OPTION ADDENDUM www.ti.com 30-Mar-2005 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Drawing Pins Package Eco Plan (2) Qty Lead/Ball Finish MSL Peak Temp (3) SN75ALS053FN OBSOLETE PLCC FN 20 TBD Call TI Call TI SN75ALS053FNR OBSOLETE PLCC FN 20 TBD Call TI Call TI SN75ALS053N OBSOLETE PDIP N 20 TBD Call TI Call TI (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) 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. 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. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release. In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis. Addendum-Page 1 MECHANICAL DATA MPLC004A – OCTOBER 1994 FN (S-PQCC-J**) PLASTIC J-LEADED CHIP CARRIER 20 PIN SHOWN Seating Plane 0.004 (0,10) 0.180 (4,57) MAX 0.120 (3,05) 0.090 (2,29) D D1 0.020 (0,51) MIN 3 1 19 0.032 (0,81) 0.026 (0,66) 4 E 18 D2 / E2 E1 D2 / E2 8 14 0.021 (0,53) 0.013 (0,33) 0.007 (0,18) M 0.050 (1,27) 9 13 0.008 (0,20) NOM D/E D2 / E2 D1 / E1 NO. OF PINS ** MIN MAX MIN MAX MIN MAX 20 0.385 (9,78) 0.395 (10,03) 0.350 (8,89) 0.356 (9,04) 0.141 (3,58) 0.169 (4,29) 28 0.485 (12,32) 0.495 (12,57) 0.450 (11,43) 0.456 (11,58) 0.191 (4,85) 0.219 (5,56) 44 0.685 (17,40) 0.695 (17,65) 0.650 (16,51) 0.656 (16,66) 0.291 (7,39) 0.319 (8,10) 52 0.785 (19,94) 0.795 (20,19) 0.750 (19,05) 0.756 (19,20) 0.341 (8,66) 0.369 (9,37) 68 0.985 (25,02) 0.995 (25,27) 0.950 (24,13) 0.958 (24,33) 0.441 (11,20) 0.469 (11,91) 84 1.185 (30,10) 1.195 (30,35) 1.150 (29,21) 1.158 (29,41) 0.541 (13,74) 0.569 (14,45) 4040005 / B 03/95 NOTES: A. All linear dimensions are in inches (millimeters). B. This drawing is subject to change without notice. C. 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