MC74F539 is DUAL 1-OF-4 DECODER WITH 3-STATE OUTPUTS manufactured by Motorola Semiconductor.
| Part Number | Description |
|---|---|
| MC74F533 | OCTAL TRANSPARENT LATCH WITH 3-STATE OUTPUTS |
| MC74F534 | OCTAL D-TYPE FLIP-FLOP WITH 3-STATE OUTPUTS |
| MC74F537 | 1-OF-10 DECODER WITH 3-STATE OUTPUTS |
| MC74F538 | 1-OF-8 DECODER WITH 3-STATE OUTPUTS |
| MC74F51 | DUAL 2-WIDE 2-INPUT / 2-WIDE 3-INPUT AND-OR-INVERT GATE FASTE SCHOTTKY TTL |
Each accepts two Address (A0 A1) input signals and decodes them to select one of four mutually exclusive outputs. A polarity control input (P) determines whether the outputs are active HIGH (P = L) or active LOW (P = H). An active LOW input Enable (E) is available for data demultiplexing;.
