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SN74LS674的基本参数
  • 制造厂商:TI
  • 产品类别:逻辑和电压转换
  • 技术类目:触发器、锁存器和寄存器 - 移位寄存器
  • 功能描述:串行输出移位寄存器
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SN74LS674的产品详情:

SN54LS673, SN74LS673

The 'LS673 is a 16-bit shift register and a 16-bit storage register in a single 24-pin package. A three-state input/output (SER/Q15) port to the shift register allows serial entry and/or reading of data. The storage register is connected in a parallel data loop with the shift register and may be asynchronously cleared by taking the store-clear input low. The storage register may be parallel loaded with shift-register data to provide shift-register status via the parallel outputs. The shift register can be parallel loaded with the storage-register data upon commmand.

A high logic level at the chip-level (CS\) input disables both the shift-register clock and the storage register clock and places SER/Q15 in the high-impedance state. The store-clear function is not disabled by the chip select.

Caution must be exercised to prevent false clocking of either the shift register or the storage register via the chip-select input. The shift clock should be low during the low-to-high transition of chip select and the store clock should be low during the high-to-low transition of chip select.

SN54LS674, SN74LS674

The 'LS674 is a 16-bit parallel-in, serial-out shift register. A three-state input/output (SER/Q15) port provides access for entering a serial data or reading the shift-register word in a recirculating loop.

The device has four basic modes of operation:

  1. Hold (do nothing)
  2. Write (serially via input/output)
  3. Read (serially)
  4. Load (parallel via data inputs)

Low-to-high-level changes at the chip select input should be made only when the clock input is low to prevent false clocking.

SN74LS674的优势和特性:
  • 'LS673
    • 16-Bit Serial-In, Serial-Out Shift Register with 16-Bit Parallel-Out Storage Register
    • Performs Serial-to-Parallel Conversion
  • 'LS674
    • 16-Bit Parallel-In, Serial-Out Shift Register
    • Performs Parallel-to-Serial Conversion
SN74LS674的参数(英文):
  • Configuration
  • Parallel-in, Serial-out
  • Bits (#)
  • 8
  • Technology Family
  • LS
  • Supply voltage (Min) (V)
  • 4.75
  • Supply voltage (Max) (V)
  • 5.25
  • Input type
  • Bipolar
  • Output type
  • Push-Pull
  • Clock Frequency (MHz)
  • 25
  • IOL (Max) (mA)
  • 24
  • IOH (Max) (mA)
  • -2.6
  • ICC (Max) (uA)
  • 40000
  • Features
  • High speed (tpd 10-50ns)
SN74LS674具体的完整产品型号参数及价格(美元):

SN74LS674的完整型号有:SN74LS674DW,以下是这些产品的关键参数及官网采购报价:

SN74LS674DW,工作温度:0 to 70,封装:SOIC (DW)-24,包装数量MPQ:25个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网SN74LS674DW的批量USD价格:15.381(1000+)

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SN74LS674的评估套件:

14-24-LOGIC-EVM — 支持 14 到 24 引脚 PW、DB、D、DW、NS、DYY 和 DGV 封装的通用逻辑 EVM

该 EVM 设计用于支持采用 14 至 24 引脚 D、DW、DB、NS、PW、DYY 或 DGV 封装的任何逻辑器件。

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