SN74ABTE16246 11-BIT INCIDENT-WAVE SWITCHING BUS TRANSCEIVER WITH 3-STATE AND OPEN-COLLECTOR OUTPUTS SCBS227J – JULY 1993 – REVISED AUGUST 2003 D D D D D D D D D DGG OR DL PACKAGE (TOP VIEW) Member of the Texas Instruments Widebus Family Supports the VME64 ETL Specification Reduced TTL-Compatible Input Threshold Range High-Drive Outputs (IOH = –60 mA, IOL = 90 mA) Support Equivalent 25-Ω Incident-Wave Switching VCCBIAS Pin Minimizes Signal Distortion During Live Insertion Internal Pullup Resistor on OE Keeps Outputs in High-Impedance State During Power Up or Power Down Distributed VCC and GND Pins Minimize High-Speed Switching Noise Equivalent 25-Ω Series Damping Resistor on B Port Bus Hold on Data Inputs Eliminates the Need for External Pullup/Pulldown Resistors 11OE 11DIR 11B GND 10B 9B VCC 8BI 8BO GND 7BO 6BI 6BO 5BO GND 4BO 4BI VCC 3BO 2BI GND 2BO 1BO 1BI description/ordering information 1 48 2 47 3 46 4 45 5 44 6 43 7 42 8 41 9 40 10 39 11 38 12 37 13 36 14 35 15 34 16 33 17 32 18 31 19 30 20 29 21 28 22 VCCBIAS 11A 10DIR GND 10A 9A VCC 9DIR 8A GND 7A 7BI 6A 5A GND 5BI 4A VCC 3A 3BI GND 2A 1A OE 27 The SN74ABTE16246 is an 11-bit noninverting 23 26 transceiver designed for asynchronous two-way 24 25 communication between buses. This device has open-collector and 3-state outputs. The device allows data transmission from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the direction-control (DIR) input. The output-enable (OE) input can be used to disable the device so that the buses are effectively isolated. When OE is low, the device is active. The B port has an equivalent 25-Ω series output resistor to reduce ringing. Active bus-hold inputs on the B port hold unused or floating inputs at a valid logic level. The A port provides for the precharging of the outputs via VCCBIAS, which establishes a voltage between 1.3 V and 1.7 V when VCC is not connected. Active bus-hold circuitry holds unused or undriven inputs at a valid logic state. Use of pullup or pulldown resistors with the bus-hold circuitry is not recommended. ORDERING INFORMATION –40°C 85°C –40 C to 85 C ORDERABLE PART NUMBER PACKAGE† TA SSOP – DL Tube SN74ABTE16246DL Tape and reel SN74ABTE16246DLR TOP-SIDE MARKING ABTE16246 TSSOP – DGG Tape and reel SN74ABTE16246DGGR ABTE16246 † Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. 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. Widebus is a trademark of Texas Instruments. Copyright 2003, 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 SN74ABTE16246 11-BIT INCIDENT-WAVE SWITCHING BUS TRANSCEIVER WITH 3-STATE AND OPEN-COLLECTOR OUTPUTS SCBS227J – JULY 1993 – REVISED AUGUST 2003 FUNCTION TABLE INPUTS OPERATION OE 9DIR 10DIR 11DIR 11OE H X X X X L X X X X L L X X X 9A data to 9B bus L H X X X 9B data to 9A bus L X L X X 10A data to 10B bus L X H X X 10B data to 10A bus L X X L L 11A data to 11B bus L X X L H 11A, 11B isolation L X X H X 11B data to 11A bus Isolation 1BI–8BI data to 1A–8A bus (OC†), 1A–8A data to 1BO–8BO bus † OC = Open-collector outputs 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 SN74ABTE16246 11-BIT INCIDENT-WAVE SWITCHING BUS TRANSCEIVER WITH 3-STATE AND OPEN-COLLECTOR OUTPUTS SCBS227J – JULY 1993 – REVISED AUGUST 2003 logic diagram (positive logic) 11OE 11DIR 11B 1 2 3 47 OE 10DIR 10B 25 46 5 44 9DIR 9B 1BO 10A 41 6 43 1BI 11A 26 24 9A 1A 23 To Seven Other Channels POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 3 SN74ABTE16246 11-BIT INCIDENT-WAVE SWITCHING BUS TRANSCEIVER WITH 3-STATE AND OPEN-COLLECTOR OUTPUTS SCBS227J – JULY 1993 – REVISED AUGUST 2003 absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† Supply voltage range, VCC and VCCBIAS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to 7 V Input voltage range, VI (except I/O ports) (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to 7 V Voltage range applied to any output in the high or power-off state, VO . . . . . . . . . . . . . . . . . . . –0.5 V to 5.5 V Current into any output in the low state, IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128 mA Input clamp current, IIK (VI < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –18 mA Output clamp current, IOK (VO < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –50 mA Package thermal impedance, θJA (see Note 2): DGG package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70°C/W DL package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63°C/W Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65°C to 150°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. NOTES: 1. The input and output negative-voltage ratings may be exceeded if the input and output clamp-current ratings are observed. 2. The package thermal impedance is calculated in accordance with JESD 51-7. recommended operating conditions (see Note 3) VCC, VCCBIAS Supply voltage VIH High-level input voltage VIL Low-level input voltage VOH VI High-level output voltage IOH High-level output current IOL Low-level output current ∆t/∆v Input transition rise or fall rate OE Except OE MIN NOM MAX 4.5 5 5.5 2 0.8 Except OE 1.4 1A–8A B bus 9A–11A V V 1.6 OE Input voltage UNIT V 0 5.5 V 0 VCC –12 V –64 B bus 12 A bus 90 Outputs enabled 10 mA mA ns/V TA Operating free-air temperature –40 85 °C NOTE 3: All unused control inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report, Implications of Slow or Floating CMOS Inputs, literature number SCBA004. 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 SN74ABTE16246 11-BIT INCIDENT-WAVE SWITCHING BUS TRANSCEIVER WITH 3-STATE AND OPEN-COLLECTOR OUTPUTS SCBS227J – JULY 1993 – REVISED AUGUST 2003 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER VIK B port VOH VCC = 4.5 V, VCC = 5.5 V, II = –18 mA IOH = –100 µA VCC = 4.5 V IOH = –1 mA IOH = –12 mA VCC = 5.5 V, 9A–11A IOH TEST CONDITIONS 1A–8A B port VCC = 4.5 V VCC = 4.5 V, IOH = –64 mA VOH = 5.5 V II IOZH‡ IOZL‡ IO UNIT –1.2 V VCC–0.2 2 4.5 B port 2 20 VCC = 4.5 V 0.4 VCC = 4.5 V IOL = 64 mA IOL = 90 mA 0.55 VCC = 4.5 V VI = 0.8 V VI = 2 V Control inputs A or B ports VCC = 5.5 V, VCC = 5.5 V 0.8 mV µA A –100 ±500 VI = 0 to 5.5 V ±1 VI = VCC or GND ±20 9A–11A VCC = 5.5 V, VO = 2.7 V VO = 0.5 V VCC = 5.5 V, VO = 2.5 V VCC = 0, VI or VO ≤ 4.5 V, VCCBIAS = 0 Outputs high 28 36 Outputs low 38 48 20 32 A or B ports VCC = 5.5 V, IO = 0, VI = VCC or GND ICCD A or B ports VCC = 5 V, CL = 50 pF Ci Control inputs Cio I/O ports VI = 2.5 V or 0.5 V VO = 2.5 V or 0.5 V Outputs disabled V 100 9A–11A B port µA 0.9 VCC = 5.5 V, OE = VCC VCC = 5.5 V, A port V 2.4 100 Ioff ICC MAX 2.4 Vhys II(hold) TYP† IOL = 1 mA IOL = 12 mA VOL A port IOH = –1 mA IOH = –32 mA MIN 10 µA –10 µA –50 –180 –25 –90 ±100 OE high 0.02 OE low 0.33 µA mA µA mA mA/ MHz 2.5 4 pF 4.5 8 pF † All typical values are at VCC = 5 V, TA = 25°C. ‡ The parameters IOZH and IOZL include the input leakage current. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 5 SN74ABTE16246 11-BIT INCIDENT-WAVE SWITCHING BUS TRANSCEIVER WITH 3-STATE AND OPEN-COLLECTOR OUTPUTS SCBS227J – JULY 1993 – REVISED AUGUST 2003 live-insertion specifications over recommended operating free-air temperature range PARAMETER TEST CONDITIONS ICC (VCCBIAS) VCC = 0 to 4.5 V, VCC = 4.5 V to 5.5 V‡, VCCBIAS = 4.5 V to 5.5 V, VCCBIAS = 4.5 V to 5.5 V, VO A port VCC = 0 VCCBIAS = 4.5 V to 5.5 V VCCBIAS = 4.75 V to 5.25 V IO A port VCC = 0, VCCBIAS = 4.5 V MIN IO(DC) = 0 IO(DC) = 0 TYP† MAX 250 700 20 VO = 0 VO = 3 V 1.1 1.5 1.9 1.3 1.5 1.7 –20 –100 20 100 UNIT µA V µA † All typical values are at VCC = 5 V, TA = 25°C. ‡ VCC – 0.5 V < VCCBIAS switching characteristics over recommended ranges of supply voltage and operating free-air temperature, CL = 50 pF (unless otherwise noted) (see Figure 2) PARAMETER tPLH tPHL tPLH tPHL tPLH§ tPLH¶ tPHL FROM (INPUT) TO (OUTPUT) A B 9B–11B 9A–11A 1B–8B 1A–8A tPZH tPZL OE tPZH tPZL OE tPHZ tPLZ OE tPHZ tPLZ OE MAX 4.2 1.5 5.2 3.5 4.6 1.5 5.2 1.5 3 3.8 1.5 4.5 1.5 3.2 4 1.5 4.5 1.5 3.2 4 1.5 4.5 7.5 8.9 9.7 7.5 10.3 TYP MAX 1.5 3.1 1.5 1.5 3.2 4 1.5 4.5 2 4.3 5.3 2 6.2 1A–11A 2 4.4 5.4 2 6.8 2 4.3 6 2 7.1 2 4.5 6.4 2 7.3 9A–11A 2 4.2 5.9 2 6.7 1A–11A 2 3.5 4.6 2 5.1 2.5 4.3 6.2 2.5 7 2 3.6 5 2 5.5 B B POST OFFICE BOX 655303 MIN MIN 9A–11A § Measurement point is VOL + 0.3 V. ¶ Measurement point is VOL + 1.5 V. 6 VCC = 5 V, TA = 25°C • DALLAS, TEXAS 75265 UNIT ns ns ns ns ns ns ns SN74ABTE16246 11-BIT INCIDENT-WAVE SWITCHING BUS TRANSCEIVER WITH 3-STATE AND OPEN-COLLECTOR OUTPUTS SCBS227J – JULY 1993 – REVISED AUGUST 2003 extended switching characteristics over recommended ranges of supply voltage and operating free-air temperature, CL = 50 pF (unless otherwise noted) (see Figure 2) PARAMETER tPLH FROM (INPUT) TO (OUTPUT) LOAD 9B–11B 9A–11A RX = 13 Ω 1B–8B 1A–8A RX = 13 Ω 9B–11B 9A–11A RX = 26 Ω 1B–8B 1A–8A RX = 26 Ω 9B–11B 1A–8A RX = 56 Ω 1B–8B 1A–8A RX = 56 Ω B A A B B MIN MAX 4 1.5 4.8 3.8 4.7 1.5 5.6 1.5 3.3 4.2 1.5 4.8 1.5 3.1 4 1.5 4.6 1.5 3.5 4.4 1.5 4.9 1.5 3.1 4 1.5 4.4 1.5 3 3.8 1.5 4.5 1.5 3.3 4.2 1.5 4.7 1.5 3 4 1.5 4.4 RX = Open 0.1 0.6 2 RX = Open 0.4 0.8 2 A RX = 26 Ω 0.3 0.8 2 B A RX = Open 0.3 0.7 1.3 A B RX = Open 0.7 1.1 1.3 B A RX = 26 Ω 0.5 1 1.3 B A 0.8 1.5 0.5 1.5 ns B RX = 26 Ω RX = Open 0.5 A 3.5 5.5 7.3 3.5 7.9 ns tPHL tPHL tPLH tPHL tPHL tPLH tPHL tPHL tsk(p) tsk(o) tt† tt‡ VCC = 5 V, TA = 25°C MIN TYP MAX 1.5 3.2 1.5 UNIT ns ns ns ns ns ns ns ns † tt is measured between 1 V and 2 V of the output waveform. ‡ tt is measured between 10% and 90% of the output waveform. extended output characteristics over recommended ranges of supply voltage and operating free-air temperature, CL = 50 pF (see Figures 1 and 2) PARAMETER tsk(temp) tsk(load) FROM (INPUT) TO (OUTPUT) A B B A B A TEST CONDITIONS LOAD VCC = constant, ∆TA = 20°C RX = 56 Ω 4 VCC = constant, Temperature = constant RX = 13, 26, or 56 Ω 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 MIN MAX 2.5 UNIT ns ns 7 SN74ABTE16246 11-BIT INCIDENT-WAVE SWITCHING BUS TRANSCEIVER WITH 3-STATE AND OPEN-COLLECTOR OUTPUTS SCBS227J – JULY 1993 – REVISED AUGUST 2003 PARAMETER MEASUREMENT INFORMATION Device 1 A Y1 A B Y2 Yn Device 1 – Y1 tPLH1 tPHL1 tsk(o) tsk(load) In Device n Device 1 – Yn tsk(temp) Y1 tPLH2 Device n – Yn B Y2 Yn NOTES: A. Pulse skew, tsk(p), is defined as the difference in propagation-delay times tPLH1 and tPHL1 on the same terminal at identical operating conditions. B. Output skew, tsk(o), is defined as the difference in propagation delay of any two outputs of the same device switching in the same direction (e.g., |tPLH1 – tPLH2|) . C. Temperature skew, tsk(temp), is the output skew of two devices, both having the same value of VCC ± 1% and with package temperature differences of 20°C. D. Load skew, tsk(load), is measured with RX in Figure 2 at 13 Ω for one unit and 56 Ω for the other unit. Figure 1. Voltage Waveforms for Extended Characteristics 8 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 SN74ABTE16246 11-BIT INCIDENT-WAVE SWITCHING BUS TRANSCEIVER WITH 3-STATE AND OPEN-COLLECTOR OUTPUTS SCBS227J – JULY 1993 – REVISED AUGUST 2003 PARAMETER MEASUREMENT INFORMATION 7V Open S2 3.65 V 500 Ω 94 Ω S1 RX From Output Under Test CL = 50 pF (see Note A) 500 Ω 2 nF RX = 13, 26, or 56 Ω SWITCHING TABLE LOADS tPLH/tPHL (9A–11A and B port) tPLH/tPHL (1A–8A) tPLZ/tPZL tPHZ/tPZH (except 1A–8A) EXTENDED SWITCHING TABLE LOADS tPLH/tPHL/tsk (A port) tPLH/tPHL/tsk (B port) tt (A port) (see Note E) tt (B port) (see Note F) 1.5 V Input 1.5 V 1.5 V 0V tPLH VOH Output Output Waveform 1 S2 at 7 V (see Note B) 1.5 V 1.5 V VOL VOLTAGE WAVEFORMS PROPAGATION DELAY TIMES S2 Down Up Down Up X Open X Open 1.5 V tPLZ 3.5 V 1.5 V tPZH tPHL S1 0V tPZL 3V S2 Open 7V 7V Open 3V Output Control (low-level enabling) LOAD CIRCUIT S1 Up Up Up Up Output Waveform 2 S2 at Open (see Note B) VOL + 0.3 V VOL tPHZ 1.5 V VOH VOH – 0.3 V ≈0 V VOLTAGE WAVEFORMS ENABLE AND DISABLE TIMES NOTES: A. CL includes probe and jig capacitance. B. Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control. Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control. C. All input pulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz, ZO = 50 Ω, tr ≤ 2.5 ns, tf ≤ 2.5 ns. D. The outputs are measured one at a time with one transition per measurement. E. tt is measured between 1 V and 2 V of the output waveform. F. tt is measured between 10% and 90% of the output waveform.Figure 1 Figure 2. Load Circuit and Voltage Waveforms POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 9 PACKAGE OPTION ADDENDUM www.ti.com 18-Jul-2006 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Drawing Pins Package Eco Plan (2) Qty 74ABTE16246DGGRE4 ACTIVE TSSOP DGG 48 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74ABTE16246DGGR ACTIVE TSSOP DGG 48 2000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74ABTE16246DL ACTIVE SSOP DL 48 25 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74ABTE16246DLG4 ACTIVE SSOP DL 48 25 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74ABTE16246DLR ACTIVE SSOP DL 48 1000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM SN74ABTE16246DLRG4 ACTIVE SSOP DL 48 1000 Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIM Lead/Ball Finish MSL Peak Temp (3) (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. 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 MSSO001C – JANUARY 1995 – REVISED DECEMBER 2001 DL (R-PDSO-G**) PLASTIC SMALL-OUTLINE PACKAGE 48 PINS SHOWN 0.025 (0,635) 0.0135 (0,343) 0.008 (0,203) 48 0.005 (0,13) M 25 0.010 (0,25) 0.005 (0,13) 0.299 (7,59) 0.291 (7,39) 0.420 (10,67) 0.395 (10,03) Gage Plane 0.010 (0,25) 1 0°–ā8° 24 0.040 (1,02) A 0.020 (0,51) Seating Plane 0.110 (2,79) MAX 0.004 (0,10) 0.008 (0,20) MIN PINS ** 28 48 56 A MAX 0.380 (9,65) 0.630 (16,00) 0.730 (18,54) A MIN 0.370 (9,40) 0.620 (15,75) 0.720 (18,29) DIM 4040048 / E 12/01 NOTES: A. B. C. D. All linear dimensions are in inches (millimeters). This drawing is subject to change without notice. Body dimensions do not include mold flash or protrusion not to exceed 0.006 (0,15). Falls within JEDEC MO-118 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 MECHANICAL DATA MTSS003D – JANUARY 1995 – REVISED JANUARY 1998 DGG (R-PDSO-G**) PLASTIC SMALL-OUTLINE PACKAGE 48 PINS SHOWN 0,27 0,17 0,50 48 0,08 M 25 6,20 6,00 8,30 7,90 0,15 NOM Gage Plane 1 0,25 24 0°– 8° A 0,75 0,50 Seating Plane 0,15 0,05 1,20 MAX PINS ** 0,10 48 56 64 A MAX 12,60 14,10 17,10 A MIN 12,40 13,90 16,90 DIM 4040078 / F 12/97 NOTES: A. B. C. D. All linear dimensions are in millimeters. This drawing is subject to change without notice. Body dimensions do not include mold protrusion not to exceed 0,15. Falls within JEDEC MO-153 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. 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