vcc vdd vee vss的区别
时间: 2023-04-29 19:02:40 浏览: 359
VCC、VDD、VEE、VSS 是电子学中常用的电压符号。
VCC 是电源电压的符号,通常指正电源电压。
VDD 是数字电源电压的符号,通常指正电源电压。
VEE 是负电源电压的符号。
VSS 是地线电压的符号,通常指零电压。
相关问题
Vcc,Vdd,Vss,Vee都是什么,有什么区别
Vcc、Vdd、Vss、Vee都是电源引脚的名称,它们的定义和区别如下:
1. Vcc:指芯片的正电源引脚,通常用于数字电路或集成电路。Vcc的电压值通常为正值,例如5V或3.3V。
2. Vdd:指芯片的正电源引脚,通常用于模拟电路。Vdd的电压值通常为正值,例如5V或12V。
3. Vss:指芯片的负电源引脚,通常用于数字电路或集成电路。Vss的电压值通常为零,或者接近于零。
4. Vee:指芯片的负电源引脚,通常用于模拟电路。Vee的电压值通常为负值,例如-5V或-12V。
需要注意的是,Vcc、Vdd、Vss、Vee的名称和电压值有时会因不同的芯片而有所不同,因此在使用时需要仔细查阅产品手册。此外,有些芯片只有Vcc和Vss两个电源引脚,或者只有一个电源引脚(如单电源运算放大器),因此在使用前需要了解清楚芯片的电源引脚情况。
VCC、VDD、VEE、VSS、VBAT
VCC: This is the positive power supply voltage that is used in electronic circuits. It is usually connected to the positive side of the power source or battery.
VDD: This is similar to VCC, but it is used specifically in digital circuits. It is the positive supply voltage that powers the digital logic circuitry.
VEE: This is the negative power supply voltage that is used in electronic circuits. It is usually connected to the negative side of the power source or battery.
VSS: This is similar to VEE, but it is used specifically in digital circuits. It is the negative supply voltage that powers the ground or reference level of the digital logic circuitry.
VBAT: This is the voltage supply used specifically to power a battery-operated device. It is usually connected to the positive terminal of the battery and provides power to the circuitry within the device.
阅读全文