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TI(德州仪器) SN74F240
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  • TI(德州仪器) SN74F240
  • TI(德州仪器) SN74F240
  • TI(德州仪器) SN74F240
  • TI(德州仪器) SN74F240
  • TI(德州仪器) SN74F240
  • TI(德州仪器) SN74F240
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SN74F240

SN74F240

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具有三态输出的 8 通道、4.5V 至 5.5V 双极反相器

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These octal buffers and line drivers are designed specifically to improve both the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. Taken together with the ´F241 and ´F244, these devices provide the choice of selected combinations of inverting and noninverting outputs, symmetrical (active-low output-enable) inputs, and complementary OE and inputs.

The ´F240 is organized as two 4-bit buffers/line drivers with separate output enable () inputs. When is low, the device passes data from the A inputs to the Y outputs. When is high, the outputs are in the high-impedance state.

The SN74F240 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 SN54F240 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74F240 is characterized for operation from 0°C to 70°C.

 

 

  • 3-State Outputs Drive Bus Lines or Buffer Memory Address Registers
  • Package Options Include Plastic Small-Outline (SOIC) and Shrink Small-Outline (SSOP) Packages, Ceramic Chip Carriers, and Plastic and Ceramic DIPs
Technology familyF
Supply voltage (min) (V)4.5
Supply voltage (max) (V)5.5
Number of channels8
IOL (max) (mA)64
IOH (max) (mA)-15
Supply current (max) (µA)75000
Input typeBipolar
Output type3-State
FeaturesOver-voltage tolerant inputs, Very high speed (tpd 5-10ns)
RatingCatalog
Operating temperature range (°C)0 to 70
PDIP (N)20228.702 mm² 24.33 x 9.4
SOIC (DW)20131.84 mm² 12.8 x 10.3
SOP (NS)2098.28 mm² 12.6 x 7.8
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