74HCT138 is a high-speed Si-gate CMOS device and is pin compatible with Low-power Schottky TTL (LSTTL).
74HCT138 decoder accepts three binary weighted address inputs (A0, A1 and A3) and when enabled, provides 8 mutually exclusive active LOW outputs (Y0 to Y7).
74HCT138 features three enable i..
DESCRIPTION:
1, the decoder uses PCM2704 chip, laser dark word.
2, connected to the computer without driver, compatible with XP and WIN7,
3, with analog audio output, optical / coaxial digital outputs, connect the headset to do powerful amp
4, user-friendly, especially the increase in th..