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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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CMOS逻辑IC分类及各系列概述
自推出第一个标准CMOS系列（4000系列）以来，东芝已经发布了连续几代高速和低压CMOS逻辑IC。
东芝继续提供适用于各种应用，宽工作电压范围（1.2V至18V）的CMOS逻辑IC。
| 类型 | 系列 | 器件型号 | 工作电压范围（V） | 传输延迟时间（ns）*1 | 输出电流（mA）*2 | 输入-容限功能*3 | 输出掉电保护*3 |
|---|---|---|---|---|---|---|---|
适用于5V系统 |
标准 CMOS |
TC4000B TC4500B |
3至18 | 200 （@5.0V） |
±0.51 （@5.0V） |
-*4 | - |
| 高速CMOS | TC74HC | 2至6 | 23 （@4.5V） |
±4.0或±6.0 （@4.5V） |
-*4 | - | |
| TC74HCT | 4.5至5.5 | ||||||
升级版 CMOS |
TC74AC | 2至5.5 | 8.5 （@4.5V） |
±24 （@4.5V） |
- | - | |
| TC74ACT | 4.5至5.5 | ||||||
特高速 |
TC74VHC 74VHC TC74VHC9 74VHC9 |
2至5.5 | 8.5 （@4.5V） |
±8.0 （@4.5V） |
✔ | - | |
| TC74VHCT 74VHCT |
4.5至5.5 | ✔ | ✔ | ||||
| TC74VHCV 74VHCV |
1.8至5.5 | ±16 （@4.5V） |
✔ | ✔ | |||
| 适用于低压系统 | 低压CMOS | TC74LCX 74LCX |
1.65至3.6 | 6.5 （@3.0V） |
±24 （@3.0V） |
✔ | ✔ |
| 特低压CMOS | TC74VCX | 1.2至3.6 | 4.2 （@2.3V） |
±24 （@3.0V） |
✔ | ✔ |
*1：85°C时典型IC（TC4001、74HC244、TC74AC244、74VHC244、74LCX244和TC74VCX244）的最大传输延迟时间，但TC4001的最大传输延迟时间是在25°C时测得的。
*2：这些输出电流值来自数据表的直流特性表。绝对最大额定输出电流另行规定。
*3：术语“容错功能”和“掉电保护”有时可以互换使用。输入和输出容错功能可分别称为输入和输出掉电保护。
*4：TC4049BF/BP，TC4050BF/BP，TC74HC4049BP/BF/BFT，74HC4049D，TC74HC4050BP/BF/BFT和74HC4050D具有允许从较高电压到较低电压电平转换的输入容限功能。
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