IC số 74HC138 chân cắm DIP16,chân dán SOIC16:
* IC SN74HC138N:
- Kiểu chân: DIP(16); Hãng: TI;
- 3 to 8 line decoder / demultiplexer / inverting (3 address inputs, 8 active LOW outputs), high-speed Si-gate CMOS, Vcc: 2 ~ 6V.
* IC 74HC138D:
- Kiểu chân: SOIC(16); Hãng: NXP;
- 3 to 8 line decoder / demultiplexer / inverting (3 address inputs, 8 active LOW outputs), high-speed Si-gate CMOS, Vcc: 2 ~ 6V.