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SN74BCT574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 - D 型触发器
  • 功能描述:八路边沿触发式 D 型触发器
  • 点击这里打开及下载SN74BCT574的技术文档资料
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SN74BCT574的产品详情:

These 8-bit flip-flops feature 3-state outputs designed specifically for driving highly capacitive or relatively low-impedance loads. They are particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers.

The eight flip-flops of the ’BCT574 devices are edge-triggered D-type flip-flops. On the positive transition of the clock (CLK) input, the Q outputs are set to the logic levels that were set up at the data (D) inputs.

A buffered output-enable (OE)\ input can be used to place the eight outputs in either a normal logic state (high or low logic levels) or the high-impedance state. In the high-impedance state, the outputs neither load nor drive the bus lines significantly. The high-impedance state and increased drive provide the capability to drive bus lines without interface or pullup components.

To ensure the high-impedance state during power up or power down, (OE)\ should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

(OE)\ does not affect internal operations of the flip-flops. Old data can be retained or new data can be entered while the outputs are in the high-impedance state.

SN74BCT574的优势和特性:
  • Operating Voltage Range of 4.5 V to 5.5 V
  • State-of-the-Art BiCMOS Design Significantly Reduces ICCZ
  • Full Parallel Access for Loading
  • ESD Protection Exceeds JESD 22
    • 2000-V Human-Body Model (A114-A)
    • 200-V Machine Model (A115-A)
    • 1000-V Charged-Device Model (C101)

SN74BCT574的参数(英文):
  • Number of channels (#)
  • 8
  • Technology Family
  • BCT
  • Supply voltage (Min) (V)
  • 4.5
  • Supply voltage (Max) (V)
  • 5.5
  • Input type
  • TTL-Compatible CMOS
  • Output type
  • 3-State
  • Clock Frequency (Max) (MHz)
  • 77
  • IOL (Max) (mA)
  • 64
  • IOH (Max) (mA)
  • -15
  • ICC (Max) (uA)
  • 62000
  • Features
  • Very high speed (tpd 5-10ns)
SN74BCT574具体的完整产品型号参数及价格(美元):

SN74BCT574的完整型号有:SN74BCT574DW、SN74BCT574N,以下是这些产品的关键参数及官网采购报价:

SN74BCT574DW,工作温度:0 to 70,封装:SOIC (DW)-20,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SN74BCT574DW的批量USD价格:1.896(1000+)

SN74BCT574N,工作温度:0 to 70,封装:PDIP (N)-20,包装数量MPQ:20个,MSL 等级/回流焊峰值温度:N/A for Pkg Type,引脚镀层/焊球材料:NIPDAU,TI官网SN74BCT574N的批量USD价格:2.18(1000+)

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SN74BCT574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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