SN74LVC8T245 Status: ACTIVE

8-Bit Dual-Supply Bus Transceiver with Configurable Voltage Translation and Three-State Outputs


      
         
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Datasheet

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 SN74LVC8T245
Voltage Nodes(V)5, 3.3, 2.5, 1.8  
Vcc range(V)1.65 to 5.5  
Input LevelTTL/CMOS  
Output LevelLVTTL  
LogicTrue  
No. of Bits8  
No. of Outputs8  
Output Drive(mA)-32/32  
Static Current0.025  
Technology FamilyLVC  
Pin/Package24QFN, 24SO, 24SOIC, 24SSOP, 24SSOP/QSOP, 24TSSOP, 24TVSOP  
Operating Temp Range(Celsius)-40 to 85  
Approx. Price (US$) 0.80 | 1ku  
RatingCatalog  
 Samples
 Inventory

Other qualified versions of SN74LVC8T245

Version Part Number Definition
Enhanced Product SN74LVC8T245-EP Supports Defense, Aerospace and Medical Applications

Customers Who Evaluated This Product Also Evaluated

  • SN74LVC4245A: Octal Bus Transceiver And 3.3-V To 5-V Shifter With 3-State Outputs
  • SN74LVC2T45: Dual-Bit Dual Supply Transceiver with Configurable Voltage Translation and 3-State Outputs
  • TXB0108: 8-Bit Bidirectional Voltage-Level Translator with Auto Direction Sensing and +/-15-kV ESD Protect
  • SN74LVC14A: Hex Schmitt-Trigger Inverter
  • SN74LVC1G04: Single Inverter
  • PCA9306: Dual Bi-Directional I2C-Bus and SMBus Voltage Level-Translator

More Related Products

Product Information

Features

  • Control Inputs VIH/VIL Levels Are Referenced to VCCA Voltage
  • VCC Isolation Feature - If Either VCC Input Is at GND, All Are in the High-Impedance State
  • Fully Configurable Dual-Rail Design Allows Each Port to Operate Over the Full 1.65-V to 5.5-V Power-Supply Range
  • Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
  • ESD Protection Exceeds JESD 22
    • 4000-V Human-Body Model (A114-A)
    • 200-V Machine Model (A115-A)
    • 1000-V Charged-Device Model (C101)

DESCRIPTION/ORDERING INFORMATION

This 8-bit noninverting bus transceiver uses two separate configurable power-supply rails. The SN74LVC8T245 is optimized to operate with VCCA and VCCB set at 1.65 V to 5.5 V. The A port is designed to track VCCA. VCCA accepts any supply voltage from 1.65 V to 5.5 V. The B port is designed to track VCCB. VCCB accepts any supply voltage from 1.65 V to 5.5 V. This allows for universal low-voltage bidirectional translation between any of the 1.8-V, 2.5-V, 3.3-V, and 5.5-V voltage nodes.

The SN74LVC8T245 is designed for asynchronous communication between two data buses. The logic levels of the direction-control (DIR) input and the output-enable (OE) input 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 is always active and must have a logic HIGH or LOW level applied to prevent excess ICC and ICCZ.

The SN74LVC8T245 is designed so that the control pins (DIR 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, all outputs are in the high-impedance state.

To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

    

Pricing / Packaging / CAD Design Tools / Samples

PricePackagingCAD Design ToolsSamples
DeviceStatusTemp (oC)Price | QuantityPackage | PinsTop Side MarkingPackage QTY | Package CarrierFootprintsSamples
74LVC8T245DBQRG4ACTIVE-40 to 850.80 | 1kuSSOP/QSOP (DBQ) | 24 View 2500 | LARGE T&R Download CAD Format for this Footprint
74LVC8T245RHLRG4ACTIVE-40 to 850.85 | 1kuQFN (RHL) | 24  1000 | LARGE T&R 
SN74LVC8T245DBQRACTIVE-40 to 850.80 | 1kuSSOP/QSOP (DBQ) | 24 View 2500 | LARGE T&R Download CAD Format for this Footprint
SN74LVC8T245DBRACTIVE-40 to 850.80 | 1kuSSOP (DB) | 24 View 2000 | LARGE T&R Download CAD Format for this Footprint
SN74LVC8T245DBRE4ACTIVE-40 to 850.80 | 1kuSSOP (DB) | 24 View 2000 | LARGE T&R Download CAD Format for this Footprint
SN74LVC8T245DBRG4ACTIVE-40 to 850.80 | 1kuSSOP (DB) | 24 View 2000 | LARGE T&R Download CAD Format for this Footprint
SN74LVC8T245DGVRACTIVE-40 to 850.80 | 1kuTVSOP (DGV) | 24  2000 | LARGE T&R Download CAD Format for this Footprint
SN74LVC8T245DGVRG4ACTIVE-40 to 850.80 | 1kuTVSOP (DGV) | 24  2000 | LARGE T&R Download CAD Format for this Footprint
SN74LVC8T245DWRACTIVE-40 to 850.80 | 1kuSOIC (DW) | 24 View 2000 | LARGE T&R Download CAD Format for this Footprint
SN74LVC8T245DWRG4ACTIVE-40 to 850.80 | 1kuSOIC (DW) | 24 View 2000 | LARGE T&R Download CAD Format for this Footprint
SN74LVC8T245NSRACTIVE-40 to 850.80 | 1kuSO (NS) | 24 View 2000 | LARGE T&R Download CAD Format for this FootprintPurchase Samples
SN74LVC8T245NSRG4ACTIVE-40 to 850.80 | 1kuSO (NS) | 24 View 2000 | LARGE T&R Download CAD Format for this FootprintPurchase Samples
SN74LVC8T245PWACTIVE-40 to 850.85 | 1kuTSSOP (PW) | 24 View 60 | TUBE Download CAD Format for this FootprintPurchase Samples
SN74LVC8T245PWE4ACTIVE-40 to 850.85 | 1kuTSSOP (PW) | 24 View 60 | TUBE Download CAD Format for this FootprintPurchase Samples
SN74LVC8T245PWG4ACTIVE-40 to 850.85 | 1kuTSSOP (PW) | 24 View 60 | TUBE Download CAD Format for this FootprintPurchase Samples
SN74LVC8T245PWRACTIVE-40 to 850.80 | 1kuTSSOP (PW) | 24 View 2000 | LARGE T&R Download CAD Format for this Footprint
SN74LVC8T245PWRE4ACTIVE-40 to 850.80 | 1kuTSSOP (PW) | 24 View 2000 | LARGE T&R Download CAD Format for this Footprint
SN74LVC8T245PWRG4ACTIVE-40 to 850.80 | 1kuTSSOP (PW) | 24 View 2000 | LARGE T&R Download CAD Format for this Footprint
SN74LVC8T245RHLRACTIVE-40 to 850.85 | 1kuQFN (RHL) | 24  1000 | 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 10:44 AM GMT, 06 Nov 2009
RegionCompanyIn StockPurchase
TI Lead Time*: 15 Weeks74LVC8T245DBQRG4
WorldwideDigiKey  Available
TI Lead Time*: 18 Weeks74LVC8T245RHLRG4
None Reported
View Distributors
TI Lead Time*: 15 WeeksSN74LVC8T245DBQR
AmericasArrow >1k
Rochester Electronics >1k
AsiaWPI >1k
WorldwideDigiKey >1k
TI Lead Time*: 15 WeeksSN74LVC8T245DBR
WorldwideMouser Electronics 38
TI Lead Time*: 15 WeeksSN74LVC8T245DBRE4
None Reported
View Distributors
TI Lead Time*: 15 WeeksSN74LVC8T245DBRG4
None Reported
View Distributors
TI Lead Time*: 12 WeeksSN74LVC8T245DGVR
AsiaFarnell Asia >1k
WPI 887
EuropeFarnell >1k
WorldwideDigiKey >1k
TI Lead Time*: 12 WeeksSN74LVC8T245DGVRG4
WorldwideDigiKey  Available
TI Lead Time*: 15 WeeksSN74LVC8T245DWR
AmericasArrow >1k
TI Lead Time*: 15 WeeksSN74LVC8T245DWRG4
None Reported
View Distributors
TI Lead Time*: 15 WeeksSN74LVC8T245NSR
None Reported
View Distributors
TI Lead Time*: 15 WeeksSN74LVC8T245NSRG4
None Reported
View Distributors
TI Lead Time*: 20 WeeksSN74LVC8T245PW
AsiaFarnell Asia 43
TI Lead Time*: 20 WeeksSN74LVC8T245PWE4
None Reported
View Distributors
TI Lead Time*: 20 WeeksSN74LVC8T245PWG4
None Reported
View Distributors
TI Lead Time*: 20 WeeksSN74LVC8T245PWR
AsiaWPI 522
TI Lead Time*: 20 WeeksSN74LVC8T245PWRE4
None Reported
View Distributors
TI Lead Time*: 20 WeeksSN74LVC8T245PWRG4
None Reported
View Distributors
TI Lead Time*: 18 WeeksSN74LVC8T245RHLR
AsiaFarnell Asia 70
View all Distributors  

** 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
74LVC8T245DBQRG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
74LVC8T245RHLRG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
SN74LVC8T245DBQR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
SN74LVC8T245DBR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
SN74LVC8T245DBRE4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
SN74LVC8T245DBRG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
SN74LVC8T245DGVR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
SN74LVC8T245DGVRG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
SN74LVC8T245DWR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
SN74LVC8T245DWRG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
SN74LVC8T245NSR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
SN74LVC8T245NSRG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
SN74LVC8T245PW RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
SN74LVC8T245PWE4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
SN74LVC8T245PWG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
SN74LVC8T245PWR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
SN74LVC8T245PWRE4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
SN74LVC8T245PWRG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
SN74LVC8T245RHLR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView

* 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

Most useful technical documents for SN74LVC8T245 Help

Datasheet

Application Notes

View Application Notes for Dual Supply Translators

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