| NPN BJT[b] | N-FET | AC/DC[c] | DC | DC | |||
|---|---|---|---|---|---|---|---|
| Positive supply voltage | VCC/VBB | VDD | V+ | VS+ | VIN | VDD | VA |
| Negative supply voltage | VEE | VSS | V− | VS− | |||
| Ground | GND | GND | 0 | 0 | GND | GND | GND |
Vbb: base supply voltage, 基极电压
Vcc: Collector supply voltage, 集电极电压
Vee: Emitter supply, 发射极电压
Vdd: Drain supply, 漏极电压
Vss: source supply. 源极电压 （N-FET载流子为电子，源极为低电平）
VA : voltage for analog devices
GND: ground 接地
ref:
what is Vcc, Vss, Vdd & Vee? | All About Circuits
https://forum.allaboutcircuits.com/threads/what-is-vcc-vss-vdd-vee.28782/#:~:text=Vcc%20%3D%20Collector%20supply%20voltage%2C%20Vee,device%20and%20the%20circuit%20configuration.
IC power-supply pin - Wikipedia
https://en.wikipedia.org/wiki/IC_power-supply_pin
Bipolar junction transistor - Wikipedia
https://en.wikipedia.org/wiki/Bipolar_junction_transistor