The SN74AVC16T245 is designed so that the control pins (1DIR, 2DIR, 1OE, and 2OE) are supplied by V CCA. ORDERING INFORMATION

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1 FEATURES Control Inputs V IH /V IL Levels Are Referenced to V CCA Voltage V CC Isolation Feature If Either V CC Input Is at GND, Both Ports Are in the High-Impedance State Overvoltage-Tolerant Inputs/Outputs Allow Mixed-Voltage-Mode Data Communications Fully Configurable Dual-Rail Design Allows Each Port to Operate Over the Full.-V to.-v Power-Supply Range I off Supports Partial-Power-Down Mode Operation I/Os Are.-V Tolerant Latch-Up Performance Exceeds 00 ma Per JESD 78, Class II ESD Protection Exceeds JESD 8000-V Human-Body Model (A-A) 00-V Machine Model (A-A) 000-V Charged-Device Model (C0) DESCRIPTION/ORDERING INFORMATION This -bit noninverting bus transceiver uses two separate configurable power-supply rails. The SN7AVCT is optimized to operate with V CCA /V CCB set at. V to. V. It is operational with V CCA /V CCB as low as. V. The A port is designed to track V CCA. V CCA accepts any supply voltage from. V to. V. The B port is designed to track V CCB. V CCB accepts any supply voltage from. V to. V. This allows for universal low-voltage bidirectional translation between any of the.-v,.-v,.8-v,.-v, and.-v voltage nodes. SN7AVCT DGG OR DGV PACKAGE (TOP VIEW) The SN7AVCT is designed for asynchronous communication between data buses. The device transmits data 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 outputs so the buses effectively are isolated. DIR B B GND B B V CCB B B GND B7 B8 B B GND B B V CCB B B GND B7 B8 DIR OE A A GND A A V CCA A A GND A7 A8 A A GND A A V CCA A A GND A7 A8 OE The SN7AVCT is designed so that the control pins (DIR, DIR, OE, and OE) are supplied by V CCA. ORDERING INFORMATION T A PACKAGE () ORDERABLE PART NUMBER TOP-SIDE MARKING TSSOP DGG Tape and reel SN7AVCTDGGR AVCT TVSOP DGV Tape and reel SN7AVCTDGVR WF 0 C to 8 C VFBGA GQL SN7AVCTGQLR Tape and reel WF VFBGA ZQL (Pb-free) SN7AVCTZQLR () Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at 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. 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. Copyright 00 00, Texas Instruments Incorporated

2 SN7AVCT DESCRIPTION/ORDERING INFORMATION (CONTINUED) This device is fully specified for partial-power-down applications using I off. The I off circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down. The V CC isolation feature ensures that if either V CC input is at GND, both ports are in the high-impedance state. To ensure the high-impedance state during power up or power down, OE should be tied to V CC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver. GQL OR ZQL PACKAGE (TOP VIEW) A B C D E F G H J K TERMINAL ASSIGNMENTS () A DIR NC NC NC NC OE B B B GND GND A A C B B V CCB V CCA A A D B B GND GND A A E B8 B7 A7 A8 F B B A A G B B GND GND A A H B B V CCB V CCA A A J B7 B8 GND GND A8 A7 K DIR NC NC NC NC OE () NC No internal connection FUNCTION TABLE (EACH 8-BIT SECTION) OE INPUTS DIR OPERATION L L B data to A bus L H A data to B bus H X Isolation

3 SN7AVCT LOGIC DIAGRAM (POSITIVE LOGIC) DIR DIR 8 OE OE A 7 A B B To Seven Other Channels To Seven Other Channels Absolute Maximum Ratings () over operating free-air temperature range (unless otherwise noted) MIN MAX UNIT V CCA Supply voltage range 0.. V V CCB I/O ports (A port) 0.. V I Input voltage range () I/O ports (B port) 0.. V V O Control inputs 0.. Voltage range applied to any output A port 0.. in the high-impedance or power-off state () B port 0.. A port 0. V CCA + 0. V O Voltage range applied to any output in the high or low state ()() V B port 0. V CCB + 0. I IK Input clamp current V I < 0 0 ma I OK Output clamp current V O < 0 0 ma I O Continuous output current ±0 ma Continuous current through each V CCA, V CCB, and GND ±00 ma DGG package 70 θ JA Package thermal impedance () DGV package 8 C/W GQL/ZQL package T stg Storage temperature range 0 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. () The input voltage and output negative-voltage ratings may be exceeded if the input and output current ratings are observed. () The output positive-voltage rating may be exceeded up to. V maximum if the output current rating is observed. () The package thermal impedance is calculated in accordance with JESD -7. V

4 SN7AVCT Recommended Operating Conditions ()()() V CCI V CCO MIN MAX UNIT V CCA Supply voltage.. V V CCB Supply voltage.. V. V to.9 V V CCI 0. V IH High-level input voltage Data inputs ().9 V to.7 V. V.7 V to. V. V to.9 V V CCI 0. V IL Low-level input voltage Data inputs ().9 V to.7 V 0.7 V.7 V to. V 0.8. V to.9 V V CCA 0. High-level DIR V IH.9 V to.7 V. V input voltage (referenced to V CCA ) ().7 V to. V. V to.9 V V CCA 0. Low-level DIR V IL.9 V to.7 V 0.7 V input voltage (referenced to V CCA ) ().7 V to. V 0.8 V I Input voltage 0. V Active state 0 V CCO V O Output voltage V -state 0.. V. V to. V I OH High-level output current. V to.9 V 8 ma. V to.7 V 9 V to. V. V. V to. V I OL Low-level output current. V to.9 V 8 ma. V to.7 V 9 V to. V t/ v Input transition rise or fall rate ns/v T A Operating free-air temperature 0 8 C () V CCI is the V CC associated with the data input port. () V CCO is the V CC associated with the output port. () All unused data inputs of the device must be held at V CCI or GND to ensure proper device operation. Refer to the TI application report, Implications of Slow or Floating CMOS Inputs, literature number SCBA00. () For V CCI values not specified in the data sheet, V IH min = V CCI 0.7 V, V IL max = V CCI 0. V. () For V CCA values not specified in the data sheet, V IH min = V CCA 0.7 V, V IL max = V CCA 0. V.

5 SN7AVCT Electrical Characteristics ()() over recommended operating free-air temperature range (unless otherwise noted) T A = C 0 C to 8 C PARAMETER TEST CONDITIONS V CCA V CCB UNIT MIN TYP MAX MIN MAX I OH = 00 µa. V to. V. V to. V V CCO 0. I OH = ma. V. V 0.9 I OH = ma. V. V.0 V OH V I = V IH V I OH = 8 ma. V. V. I OH = 9 ma. V. V.7 I OH = ma V V. I OL = 00 µa. V to. V. V to. V 0. I OL = ma. V. V 0. I OL = ma. V. V 0. V OL V I = V IL V I OL = 8 ma. V. V 0. I OL = 9 ma. V. V 0. I OL = ma V V 0.7 Control I I V I = V CCA or GND. V to. V. V to. V ±0.0 ±0. ± µa inputs A or B 0 V 0 to. V ±0. ±. ± port I off V I or V O = 0 to. V µa A or B 0 to. V 0 V ±0. ±. ± port I () OZ V O = V CCO or GND, A or B V I = V CCI or GND, port OE =V IH. V. V ±0. ±. ± µa. V to. V. V to. V I CCA V I = V CCI or GND, I O = 0 0 V. V µa. V 0 V. V to. V. V to. V I CCB V I = V CCI or GND, I O = 0 0 V. V µa. V 0 V V I = V CCI or GND, I CCA + I CCB. V to. V. V to. V µa I O = 0 Control C i V I =. V or GND. V. V. pf inputs A or B C io V O =. V or GND. V. V 7 pf port () V CCO is the V CC associated with the output port. () V CCI is the V CC associated with the input port. () For I/O ports, the parameter I OZ includes the input leakage current.

6 SN7AVCT Switching Characteristics over recommended operating free-air temperature range, V CCA =. V (see Figure ) PARAMETER FROM TO V CCB =. V V CCB =. V V CCB =.8 V V CCB =. V V CCB =. V (INPUT) (OUTPUT) TYP TYP TYP TYP TYP t PLH...8. A B ns t PHL...8. t PLH..8.. B A ns t PHL..8.. t PZH..... OE A ns t PZL..... t PZH... OE B ns t PZL... t PHZ OE A ns t PLZ t PHZ OE B ns t PLZ UNIT Switching Characteristics over recommended operating free-air temperature range, V CCA =. V ± 0. V (see Figure ) PARAMETER V CCB =. V V CCB =.8 V V CCB =. V V CCB =. V FROM TO V CCB =. V ± 0. V ± 0. V ± 0. V ± 0. V (INPUT) (OUTPUT) TYP MIN MAX MIN MAX MIN MAX MIN MAX t PLH A B ns t PHL t PLH B A ns t PHL t PZH OE A ns t PZL t PZH OE B ns t PZL t PHZ OE A ns t PLZ t PHZ OE B ns t PLZ UNIT

7 SN7AVCT Switching Characteristics over recommended operating free-air temperature range, V CCA =.8 V ± 0. V (see Figure ) PARAMETER V CCB =. V V CCB =.8 V V CCB =. V V CCB =. V FROM TO V CCB =. V ± 0. V ± 0. V ± 0. V ± 0. V (INPUT) (OUTPUT) TYP MIN MAX MIN MAX MIN MAX MIN MAX t PLH A B ns t PHL t PLH B A ns t PHL t PZH OE A ns t PZL t PZH OE B ns t PZL t PHZ OE A ns t PLZ t PHZ OE B ns t PLZ UNIT Switching Characteristics over recommended operating free-air temperature range, V CCA =. V ± 0. V (see Figure ) PARAMETER V CCB =. V V CCB =.8 V V CCB =. V V CCB =. V FROM TO V CCB =. V ± 0. V ± 0. V ± 0. V ± 0. V (INPUT) (OUTPUT) TYP MIN MAX MIN MAX MIN MAX MIN MAX t PLH A B ns t PHL t PLH B A ns t PHL t PZH OE A ns t PZL t PZH OE B ns t PZL t PHZ.... OE A ns t PLZ.... t PHZ OE B ns t PLZ UNIT 7

8 SN7AVCT Switching Characteristics over recommended operating free-air temperature range, V CCA =. V ± 0. V (see Figure ) PARAMETER V CCB =. V V CCB =.8 V V CCB =. V V CCB =. V FROM TO V CCB =. V ± 0. V ± 0. V ± 0. V ± 0. V (INPUT) (OUTPUT) TYP MIN MAX MIN MAX MIN MAX MIN MAX t PLH A B ns t PHL t PLH B A ns t PHL t PZH OE A ns t PZL t PZH OE B ns t PZL t PHZ OE A ns t PLZ t PHZ OE B ns t PLZ UNIT Operating Characteristics T A = C PARAMETER V CCA = V CCA = V CCA = V CCA = V CCA = TEST V CCB =. V V CCB =. V V CCB =.8 V V CCB =. V V CCB =. V CONDITIONS TYP TYP TYP TYP TYP Outputs enabled A to B Outputs C L = 0, disabled C () pda f = 0 MHz, pf Outputs t r = t f = ns enabled B to A Outputs disabled Outputs enabled A to B Outputs C L = 0, disabled C () pdb f = 0 MHz, pf Outputs t r = t f = ns enabled B to A Outputs disabled () Power dissipation capacitance per transceiver UNIT 8

9 SN7AVCT Table. Typical Total Static Power Consumption (I CCA + I CCB ) V CCB V CCA 0 V. V. V.8 V. V. V 0 V 0 <0. <0. <0. <0. <0.. V <0. < < < <. V <0. < < < <.8 V <0. < < < < <. V <0. < < < <. V <0. < < < < UNIT µa 9

10 SN7AVCT TYPICAL CHARACTERISTICS T A = C V CCA =. V t PLH Propagation Delay ns 0 V CCB =. V + V CCB =. V V CCB =.8 V V CCB =. V V CCB =. V C L Load Capacitance pf Figure. T A = C V CCA =. V t PHL Propagation Delay ns V CCB =. V + V CCB =. V V CCB =.8 V V CCB =. V V CCB =. V C L Load Capacitance pf Figure. 0

11 SN7AVCT t PLH Propagation Delay ns TYPICAL CHARACTERISTICS T A = C V CCA =. V V CCB =. V + V CCB =. V V CCB =.8 V V CCB =. V V CCB =. V C L Load Capacitance pf Figure. t PHL Propagation Delay ns T A = C V CCA =. V V CCB =. V + V CCB =. V V CCB =.8 V V CCB =. V V CCB =. V C L Load Capacitance pf Figure.

12 SN7AVCT TYPICAL CHARACTERISTICS T A = C V CCA =.8 V t PLH Propagation Delay ns V CCB =. V + V CCB =. V V CCB =.8 V V CCB =. V V CCB =. V C L Load Capacitance pf Figure. T A = C V CCA =.8 V t PHL Propagation Delay ns V CCB =. V + V CCB =. V V CCB =.8 V V CCB =. V V CCB =. V C L Load Capacitance pf Figure.

13 SN7AVCT TYPICAL CHARACTERISTICS T A = C V CCA =. V t PLH Propagation Delay ns 0 V CCB =. V + V CCB =. V V CCB =.8 V V CCB =. V V CCB =. V C L Load Capacitance pf Figure 7. t PHL Propagation Delay ns T A = C V CCA =. V V CCB =. V + V CCB =. V V CCB =.8 V V CCB =. V V CCB =. V C L Load Capacitance pf Figure 8.

14 SN7AVCT t PLH Propagation Delay ns TYPICAL CHARACTERISTICS T A = C V CCA =. V V CCB =. V + V CCB =. V V CCB =.8 V V CCB =. V V CCB =. V C L Load Capacitance pf Figure 9. t PHL Propagation Delay ns T A = C V CCA =. V V CCB =. V + V CCB =. V V CCB =.8 V V CCB =. V V CCB =. V C L Load Capacitance pf Figure 0.

15 SN7AVCT PARAMETER MEASUREMENT INFORMATION From Output Under Test C L (see Note A) R L R L S V CCO Open GND TEST t pd t PLZ /t PZL t PHZ /t PZH S Open V CCO GND LOAD CIRCUIT t w V CCI Input V CCI / V CCI / V CCO C L R L V TP. V. V ± 0. V.8 V ± 0. V. V ± 0. V. V ± 0. V pf pf pf pf pf kω kω kω kω kω 0. V 0. V 0. V 0. V 0. V Output Control (low-level enabling) VOLTAGE WAVEFORMS PULSE DURATION V CCA / V CCA / 0 V V CCA 0 V t PZL t PLZ Input Output t PLH V CCI / V CCI / t PHL V CCI 0 V V OH V CCO / V CCO / V OL Output Waveform S at V CCO (see Note B) Output Waveform S at GND (see Note B) t PZH V CCO / V CCO / V OL + V TP t PHZ V OH V TP V CCO V OL V OH 0 V VOLTAGE WAVEFORMS PROPAGATION DELAY TIMES VOLTAGE WAVEFORMS ENABLE AND DISABLE TIMES NOTES: A. C L includes probe and jig capacitance. B. Waveform is for an output with internal conditions such that the output is low, except when disabled by the output control. Waveform 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 0 MHz, Z O = 0 Ω, dv/dt V/ns. D. The outputs are measured one at a time, with one transition per measurement. E. t PLZ and t PHZ are the same as t dis. F. t PZL and t PZH are the same as t en. G. t PLH and t PHL are the same as t pd. H. V CCI is the V CC associated with the input port. I. V CCO is the V CC associated with the output port. Figure. Load Circuit and Voltage Waveforms

16 PACKAGE OPTION ADDENDUM 8-Sep-008 PACKAGING INFORMATION Orderable Device Status () Package Type Package Drawing Pins Package Qty 7AVCTDGGRE ACTIVE TSSOP DGG Green (RoHS & no Sb/Br) 7AVCTDGGRG ACTIVE TSSOP DGG Green (RoHS & no Sb/Br) 7AVCTDGVRE ACTIVE TVSOP DGV Green (RoHS & no Sb/Br) 7AVCTDGVRG ACTIVE TVSOP DGV Green (RoHS & no Sb/Br) SN7AVCTDGGR ACTIVE TSSOP DGG Green (RoHS & no Sb/Br) SN7AVCTDGVR ACTIVE TVSOP DGV Green (RoHS & no Sb/Br) SN7AVCTGQLR NRND BGA MI CROSTA R JUNI OR SN7AVCTZQLR ACTIVE BGA MI CROSTA R JUNI OR Eco Plan () Lead/Ball Finish MSL Peak Temp () CU NIPDAU CU NIPDAU CU NIPDAU CU NIPDAU CU NIPDAU CU NIPDAU Level--0C-UNLIM Level--0C-UNLIM Level--0C-UNLIM Level--0C-UNLIM Level--0C-UNLIM Level--0C-UNLIM GQL 000 TBD SNPB Level--0C-UNLIM ZQL 000 Green (RoHS & no Sb/Br) SNAGCU Level--0C-UNLIM () 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. () Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check 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 substances, including the requirement that lead not exceed 0.% 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 ) lead-based flip-chip solder bumps used between the die and package, or ) 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.% by weight in homogeneous material) () 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

17 PACKAGE MATERIALS INFORMATION 9-Mar-008 TAPE AND REEL INFORMATION *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Reel Reel Diameter Width (mm) W (mm) A0 (mm) B0 (mm) K0 (mm) P (mm) SN7AVCTDGGR TSSOP DGG Q SN7AVCTDGVR TVSOP DGV Q SN7AVCTGQLR SN7AVCTGQLR SN7AVCTZQLR SN7AVCTZQLR BGA MI CROSTA R JUNI OR BGA MI CROSTA R JUNI OR BGA MI CROSTA R JUNI OR BGA MI CROSTA R JUNI OR W (mm) Pin Quadrant GQL Q GQL Q ZQL Q ZQL Q Pack Materials-Page

18 PACKAGE MATERIALS INFORMATION 9-Mar-008 *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) SN7AVCTDGGR TSSOP DGG SN7AVCTDGVR TVSOP DGV SN7AVCTGQLR SN7AVCTGQLR SN7AVCTZQLR SN7AVCTZQLR BGA MICROSTAR JUNIOR BGA MICROSTAR JUNIOR BGA MICROSTAR JUNIOR BGA MICROSTAR JUNIOR GQL GQL ZQL ZQL Pack Materials-Page

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21 MECHANICAL DATA MTSS00D JANUARY 99 REVISED JANUARY 998 DGG (R-PDSO-G**) 8 PINS SHOWN PLASTIC SMALL-OUTLINE PACKAGE 0,0 0,7 0,7 0,08 M 8,0 8,0,00 7,90 0, NOM Gage Plane A 0 8 0, 0,7 0,0,0 MAX 0, 0,0 Seating Plane 0,0 DIM PINS ** 8 A MAX,0,0 7,0 A MIN,0,90, / F /97 NOTES: A. All linear dimensions are in millimeters. B. This drawing is subject to change without notice. C. Body dimensions do not include mold protrusion not to exceed 0,. D. Falls within JEDEC MO- POST OFFICE BOX 0 DALLAS, TEXAS 7

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