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SN74AVC2T245 Status: ACTIVE

Dual-Bit, 2-DIR pin Dual-Supply Bus Transceiver w/ Configurable Voltage Translation, 3-State Output


      
         
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 SN74AVC2T245
Vcc range(V)1.1 to 3.6  
No. of Bits2  
No. of Outputs2  
Bus Drive(ma)-0.002,0.008  
Technology FamilyAVC  
Pin/Package10QFN  
Approx. Price (US$) 0.46 | 1ku  
RatingCatalog  
 Samples
 Inventory

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Product Information

Features

  • Each Channel Has Independent Direction Control
  • Control Inputs VIH/VIL Levels Are Referenced to VCCA Voltage
  • Fully Configurable Dual-Rail Design Allows Each Port to Operate Over the Full 1.2-V to 3.6-V Power-Supply Range
  • I/Os Are 4.6-V Tolerant
  • Ioff Supports Partial-Power-Down Mode Operation
  • Typical Data Rates
    • 500 Mbps (1.8-V to 3.3-V Translation)
    • 320 Mbps (<1.8-V to 3.3-V Translation)
    • 320 Mbps (Translate to 2.5 V or 1.8 V)
    • 280 Mbps (Translate to 1.5 V)
    • 240 Mbps (Translate to 1.2 V)
  • Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
  • ESD Protection Exceeds JESD 22
    • 5000-V Human-Body Model (A114-A)
    • 200-V Machine Model (A115-A)
    • 1500-V Charged-Device Model (C101)

DESCRIPTION/ORDERING INFORMATION

This dual-bit noninverting bus transceiver uses two separate configurable power-supply rails. The A port is designed to track VCCA. VCCA accepts any supply voltage from 1.2 V to 3.6 V. The B port is designed to track VCCB. VCCB accepts any supply voltage from 1.2 V to 3.6 V. This allows for universal low-voltage bidirectional translation between any of the 1.2-V, 1.5-V, 1.8-V, 2.5-V, and 3.3-V voltage nodes.

The SN74AVC2T245 is designed for asynchronous communication between two data buses. The logic levels of the direction-control (DIR) input and the output-enable (OE) activate either the B-port outputs or the A-port outputs or place both output ports into the high-impedance mode . The device transmits data from the A bus to the B bus when the B-port outputs are activated and from the B bus to the A bus when the A-port outputs are activated. The input circuitry on both A and B ports always is active and must have a logic HIGH or LOW level applied to prevent excess ICC and ICCZ.

The SN74AVC2T245 is designed so that the control pins (DIR1, DIR2, and OE) are supplied by VCCA.

This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down.

The VCC isolation feature ensures that if either VCC 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 must be connected to VCC through a pull-up resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

    

Pricing / Packaging / CAD Design Tools / Samples

PricePackagingSamples
DeviceStatusPrice | QuantityPackage | PinsPackage QTY | Package CarrierSamples
SN74AVC2T245RSWRACTIVE0.46 | 1kuQFN (RSW) | 10 3000 | LARGE T&R

* Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.

Inventory

Reported Distributor Inventory as of 11:05 AM GMT, 22 Nov 2009
RegionCompanyIn StockPurchase
TI Lead Time*: 18 WeeksSN74AVC2T245RSWR
AsiaWPI >1k
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** Lead time information is not available at this time. However, our information is updated daily so please check back with us soon. Please contact your preferred TI Authorized Distributor for additional information.

Quality & Lead (Pb)-Free Data

 Product ContentDPPM / MTBF / FIT Rate
DeviceEco Plan* Lead / Ball FinishMSL Rating / Peak ReflowDetailsDetails
SN74AVC2T245RSWR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView

* The planned eco-friendly classification: Pb-Free (RoHS) or Pb-Free (RoHS Exempt) or Green (RoHS & no Sb/Br) - please click on the Product Content Details "View" link in the table above for the latest availability information and additional product content details.

If the information you are requesting is not available online at this time, contact one of our Product Information Centers regarding the availability of this information.

Technical Documents

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