74LS395-4-Bit Serial/Parallel-In Parallel-Out S-R
Package PDIP, SOIC Series 74LS
74ls395 overview
The 74LS series of integrated circuits (ICs) was one of the most popular logic families of transistor-transistor logic (TTL) logic chips. 74LS series is a bipolar, low-power Schottky IC. The 74LS395 is a 4-Bit Register with 3-state outputs and can operate in either asynchronous parallel load or a serial shift-right mode, as determined by the Select input.
Datasheet
395.pdf
74ls395 features
- Shift Left or Parallel 4-Bit Register
- 3-State Outputs
- Input Clamp Diodes Limit High-Speed Termination Effects
74ls395 pinout
| Pin | Name | Description |
|---|---|---|
| 1 | MR' | Master Reset (Active LOW) Input |
| 2 | DS | Serial Data Input |
| 3 | P0 | Parallel Input |
| 4 | P1 | Parallel Input |
| 5 | P2 | Parallel Input |
| 6 | P3 | Parallel Input |
| 7 | S | Mode Select Input |
| 8 | GND | Ground |
| 9 | OE' | Output Enable (Active HIGH) Input |
| 10 | CP' | Clock (Active LOW) Input |
| 11 | Q3 | Register Output |
| 12 | O3 | 3-State Register Output |
| 13 | O2 | 3-State Register Output |
| 14 | O1 | 3-State Register Output |
| 15 | O0 | 3-State Register Output |
| 16 | VCC | Positive Supply |
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