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TI(德州仪器) SN74AS757
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  • TI(德州仪器) SN74AS757
  • TI(德州仪器) SN74AS757
  • TI(德州仪器) SN74AS757
  • TI(德州仪器) SN74AS757
  • TI(德州仪器) SN74AS757
  • TI(德州仪器) SN74AS757
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SN74AS757

SN74AS757

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具有集电极开路输出的 8 通道、4.5V 至 5.5V 双极缓冲器

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  • 封装 | 引脚 | 尺寸

These octal buffers and line drivers are designed specifically to improve the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters by eliminating the need for 3-state overlap protection. The designer has a choice of selected combinations of inverting and noninverting outputs, symmetrical active-low output-enable () inputs, and complementary OE and inputs. These devices feature high fan-out and improved fan-in.

The SN54AS756 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74AS756 and SN74AS757 are characterized for operation from 0°C to 70°C.

  • Open-Collector Outputs Drive Bus Lines or Buffer Memory Address Registers
  • Eliminate the Need for 3-State Overlap Protection
  • pnp Inputs Reduce dc Loading
  • Open-Collector Versions of ´AS240A and ´AS241
  • Package Options Include Plastic Small-Outline (DW) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPs

 

Technology familyAS
Supply voltage (min) (V)4.5
Supply voltage (max) (V)5.5
Number of channels8
IOL (max) (mA)64
Supply current (max) (µA)95000
IOH (max) (mA)0
Input typeBipolar
Output typeOpen-collector
FeaturesUltra high speed (tpd <5ns)
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
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