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SN74ABT573A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 型锁存器
  • 功能描述:具有三态输出的八路透明 D 型锁存器
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SN74ABT573A的产品详情:

These 8-bit latches 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 latches of the SN54ABT573 and SN74ABT573A are transparent D-type latches. While the latch-enable (LE) input is high, the Q outputs follow the data (D) inputs. When LE is taken low, the Q outputs are latched at the logic levels set up at the 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 need for interface or pullup components.

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

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.

This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down.

SN74ABT573A的优势和特性:
  • Typical VOLP (Output Ground Bounce) <1 V at VCC = 5 V, TA = 25°C
  • High-Drive Outputs (–32-mA IOH, 64-mA IOL)
  • Ioff Supports Partial-Power-Down Mode Operation
  • Latch-Up Performance Exceeds 500 mA Per JEDEC Standard JESD 17
  • ESD Protection Exceeds JESD 22
    • 2000-V Human-Body Model (A114-A)
    • 200-V Machine Model (A115-A)

SN74ABT573A的参数(英文):
  • Number of channels (#)
  • 8
  • Technology Family
  • ABT
  • 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)
  • 150
  • IOL (Max) (mA)
  • 64
  • IOH (Max) (mA)
  • -32
  • ICC (Max) (uA)
  • 30000
  • Features
  • Very high speed (tpd 5-10ns), Partial power down (Ioff), Power up 3-state, Flow-through pinout
SN74ABT573A具体的完整产品型号参数及价格(美元):

SN74ABT573A的完整型号有:SN74ABT573ADBR、SN74ABT573ADW、SN74ABT573ADWR、SN74ABT573AN、SN74ABT573APW、SN74ABT573APWR、SN74ABT573ARGYR,以下是这些产品的关键参数及官网采购报价:

SN74ABT573ADBR,工作温度:-40 to 85,封装:SSOP (DB)-20,包装数量MPQ:2000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SN74ABT573ADBR的批量USD价格:.35(1000+)

SN74ABT573ADW,工作温度:-40 to 85,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SN74ABT573ADW的批量USD价格:.382(1000+)

SN74ABT573ADWR,工作温度:-40 to 85,封装:SOIC (DW)-20,包装数量MPQ:2000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SN74ABT573ADWR的批量USD价格:.318(1000+)

SN74ABT573AN,工作温度:-40 to 85,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SN74ABT573AN的批量USD价格:.366(1000+)

SN74ABT573APW,工作温度:-40 to 85,封装:TSSOP (PW)-20,包装数量MPQ:70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SN74ABT573APW的批量USD价格:.382(1000+)

SN74ABT573APWR,工作温度:-40 to 85,封装:TSSOP (PW)-20,包装数量MPQ:2000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SN74ABT573APWR的批量USD价格:.318(1000+)

SN74ABT573ARGYR,工作温度:-40 to 85,封装:VQFN (RGY)-20,包装数量MPQ:3000个,MSL 等级/回流焊峰值温度:Level-2-260C-1 YEAR,引脚镀层/焊球材料:NIPDAU,TI官网SN74ABT573ARGYR的批量USD价格:.334(1000+)

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SN74ABT573A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。

14-24-NL-LOGIC-EVM — Generic 14 through 24 pin non-leaded package evaluation module

Flexible EVM designed to support any logic or translation device that has a BQA, BQB, RGY (14-24 pin), RSV, RJW, or RHL package.
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