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SN54LVT244A Даташит - Texas Instruments

Номер в каталогеОписание (Функция)производитель
SN54LVT244A 3.3-V ABT OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS TI
Texas Instruments TI
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SN54LVT244A Datasheet PDF : SN54LVT244A pdf   
SN74LVT244A image

description
These octal buffers and line drivers are designed specifically for low-voltage (3.3-V) VCCoperation,
but with the capability to provide a TTL interface to a 5-V system environment.
The ′LVT244A is organized as two 4-bit line drivers with separate output-enable (OE) inputs. When OEis low, the device passes data from the A inputs to the Y outputs. When OEis high, the outputs are in the high-impedance state.
Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level.
To ensure the high-impedance state during power up or power down, OEshould be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
The SN74LVT244A is available in TI’s shrink small-outline package (DB), which provides the same I/O pin count and functionality of standard small-outline packages in less than half the printed-circuit-board area.
The SN54LVT244A is characterized for operation over the full military temperature range of –55°C to 125°C.

•State-of-the-Art Advanced BiCMOS Technology (ABT) Design for 3.3-V Operation and Low-Static Power Dissipation
•Supports Mixed-Mode Signal Operation (5-V Input and Output Voltages With 3.3-V VCC)
•Supports Unregulated Battery Operation Down to 2.7 V
•Typical VOLP(Output Ground Bounce) < 0.8 V at VCC= 3.3 V, TA= 25°C
•Latch-Up Performance Exceeds 500 mA Per JEDEC Standard JESD-17
•Bus-Hold Data Inputs Eliminate the Need for External Pullup Resistors
•Supports Live Insertion
•Package Options Include Plastic Small-Outline (DW), Shrink Small-Outline (DB), and Thin Shrink Small-Outline (PW) Packages, Ceramic Chip Carriers (FK), and Ceramic DIPs (J)

The SN74LVT244A is characterized for operation from –40°C to 85°C.

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