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SN74AVC4T774 Status: ACTIVE

4-Bit Dual-Supply Bus Transceiver With Configurable Voltage Translation and 3-State Outputs


      
         
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 SN74AVC4T774
Vcc range(V)1.2 to 3.6  
No. of Bits4  
No. of Outputs2  
Bus Drive(ma)-12,12  
Output Drive(mA)-12,12  
Technology FamilyAVC  
Vmin(V)1.2  
Vmax(V)3.6  
Pin/Package16QFN, 16TSSOP  
Operating Temp Range(Celsius)-40 to 85  
Approx. Price (US$) 0.70 | 1ku  
RatingCatalog  
 Samples
 Inventory

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Product Information

Features

  • Each Channel Has an Independent DIR Control Input
  • 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
    • 380 Mbps (1.8-V to 3.3-V Translation)
    • 200 Mbps (<1.8-V to 3.3-V Translation)
    • 200 Mbps (Translate to 2.5 V or 1.8 V)
    • 150 Mbps (Translate to 1.5 V)
    • 100 Mbps (Translate to 1.2 V)
  • Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
  • ESD Protection Exceeds the Following Levels (tested per JESD 22)
    • 8000-V Human-Body Model (A114-A)
    • 250-V Machine Model (A115-A)
    • 1500-V Charged-Device Model (C101)

DESCRIPTION/ORDERING INFORMATION

This 4-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. The SN74AVC4T774 is optimized to operate with VCCA/VCCB set at 1.4 V to 3.6 V. It is operational with VCCA/VCCB as low as 1.2 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 SN74AVC4T774 is designed for asynchronous communication between 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 in the high-impedance mode. The device transmits data from the A bus to the B bus when the B outputs are activated, and from the B bus to the A bus when the A 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 SN74AVC4T774 is designed so that the control pins (DIR1, DIR2, DIR3, DIR4, 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, then 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 VCCA through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

Since this device has CMOS inputs, it is very important to not allow them to float. If the inputs are not driven to either a high VCC state, or a low GND state, an undesirable larger than expected ICC current may result. Since the input voltage settlement is governed by many factors (e.g. capacitance, board-layout, package inductance, surrounding conditions, etc.), ensuring that they these inputs are kept out of erroneous switching states and tying them to either a high or a low level minimizes the leakage-current.

    

Pricing / Packaging / CAD Design Tools / Samples

PricePackagingSamples
DeviceStatusTemp (oC)Price | QuantityPackage | PinsTop Side MarkingPackage QTY | Package CarrierSamples
74AVC4T774RGYRG4ACTIVE-40 to 850.80 | 1kuQFN (RGY) | 16  1000 | LARGE T&R
74AVC4T774RSVRG4ACTIVE-40 to 850.80 | 1kuQFN (RSV) | 16  3000 | LARGE T&R
SN74AVC4T774PWACTIVE-40 to 850.80 | 1kuTSSOP (PW) | 16 View 90 | TUBEPurchase Samples
SN74AVC4T774PWG4ACTIVE-40 to 850.80 | 1kuTSSOP (PW) | 16 View 90 | TUBEPurchase Samples
SN74AVC4T774PWRACTIVE-40 to 850.70 | 1kuTSSOP (PW) | 16 View 2000 | LARGE T&R
SN74AVC4T774PWRG4ACTIVE-40 to 850.70 | 1kuTSSOP (PW) | 16 View 2000 | LARGE T&R
SN74AVC4T774RGYRACTIVE-40 to 850.80 | 1kuQFN (RGY) | 16  1000 | LARGE T&R
SN74AVC4T774RSVRACTIVE-40 to 850.80 | 1kuQFN (RSV) | 16  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*: 16 Weeks74AVC4T774RGYRG4
None Reported
View Distributors
TI Lead Time*: 16 Weeks74AVC4T774RSVRG4
None Reported
View Distributors
TI Lead Time*: 18 WeeksSN74AVC4T774PW
AmericasArrow >1k
Newark 20
AsiaFarnell Asia 737
EuropeFarnell 662
WorldwideDigiKey 7
Mouser Electronics 469
TI Lead Time*: 18 WeeksSN74AVC4T774PWG4
WorldwideDigiKey  Available
TI Lead Time*: 18 WeeksSN74AVC4T774PWR
AmericasArrow >1k
AsiaWPI >1k
WorldwideDigiKey 78
TI Lead Time*: 18 WeeksSN74AVC4T774PWRG4
WorldwideDigiKey  Available
TI Lead Time*: 16 WeeksSN74AVC4T774RGYR
AsiaWPI 480
TI Lead Time*: 16 WeeksSN74AVC4T774RSVR
AsiaWPI >1k
WorldwideDigiKey >1k
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
74AVC4T774RGYRG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
74AVC4T774RSVRG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
SN74AVC4T774PW RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
SN74AVC4T774PWG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
SN74AVC4T774PWR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
SN74AVC4T774PWRG4 RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-1-260C-UNLIMViewView
SN74AVC4T774RGYR RoHS Compliant Green (RoHS & no Sb/Br) CU NIPDAU Level-2-260C-1 YEARViewView
SN74AVC4T774RSVR 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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