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The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
TOSHIBA is not responsible for any incorrect or incomplete information. Information is subject to change at any time without notice.
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时序逻辑：锁存器
锁存器
示例：74VHC373
锁存器可以在特定条件下保留数据。
锁存器有D型和RS（复位和设置）型等类型。下面将以D型锁存器为例对操作进行说明。
例如，D型锁存器具有输入数据引脚（D）、锁存器启用引脚（LE）和输出数据引脚（Q）。在此例中，当LE为低电平时，Q将保留D的先前值。当LE为高电平时，Q将跟随D而变化。下面显示了D型锁存器的时序图。
