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CD54HCT165-高速 CMOS 逻辑 8 位并行输入/串行输出移位寄存器
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CD54HCT165 - 高速 CMOS 逻辑 8 位并行输入/串行输出移位寄存器

CD54HCT165是TI公司(德州仪器)的一款移位寄存器产品,CD54HCT165是高速 CMOS 逻辑 8 位并行输入/串行输出移位寄存器,本站介绍了CD54HCT165的产品说明、应用、特性等,并给出了与CD54HCT165相关的TI元器件型号供参考.

CD54HCT165 - CD54HC165, CD74HC165, CD54HCT165, CD74HCT165 - TI德州仪器(Texas Instruments)

产品描述

The ’HC165 and ’HCT165 are 8-bit parallel or serial-in shift registers with complementary serial outputs (Q7 and Q\7) available from the last stage. When the parallel load (PL\) input is LOW, parallel data from the D0 to D7 inputs are loaded into the register asynchronously. When the PL\ is HIGH, data enters the register serially at the DS input and shifts one place to the right (Q0 → Q1 → Q2, etc.) with each positive-going clock transition. This feature allow parallel-to-serial converter expansion by typing the Q7 output to the DS input of the succeeding device.

For predictable operation the LOW-to-HIGH transition of CE\ should only take place while CP is HIGH. Also, CP and CE\ should be LOW before the LOW-to-HIGH transition of PL to prevent shifting the data when PL\ goes HIGH.

产品特性

  • Buffered Inputs
  • Asynchronous Parallel Load
  • Complementary Outputs
  • Fanout (Over Temperature Range)
    • Standard Outputs. . . . . . 10 LSTTL Loads
    • Bus Driver Outputs . . . . . . 15 LSTTL Loads
  • Wide Operating Temperature Range . . . -55°C to 125°C
  • Balanced Propagation Delay and Transition Times
  • Significant Power Reduction Compared to LSTTL Logic ICs
  • HC Types
    • 2V to 6V Operation
    • High Noise Immunity: NIL = 30%, NIH = 30% of VCC at VCC = 5V
  • HCT Types
    • 4.5V to 5.5V Operation
    • Direct LSTTL Input Logic Compatibility, VIL = 0.8V (Max), VIH = 2V (Min)
    • CMOS Input Compatibility, Il 1µA at VOL, VOH

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