74LS373 Octal D-Type Flip-Flop Tri-State
Package SOIC Series 74LS
74LS373 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. 74LS373 8-bit registers feature 3-state outputs designed specifically for driving highly capacitive or relatively low-impedance loads
Datasheet
373.pdf
74LS373 features
- 3-State Outputs for Driving Highly Capacitive or Low Impedance Loads
- Choice of 8 D-type Flip-Flops in a Single Package
- Full Parallel Access for Loading
- Buffered Control Inputs
- Standard TTL Switching Voltages
74LS373 pinout
| Pin | Name | Description |
|---|---|---|
| 1 | OE | Output Control |
| 2 | O0 | Output Pin 0 |
| 3 | D0 | Data Input Pin 0 |
| 4 | D1 | Data Input Pin 1 |
| 5 | O1 | Output Pin 1 |
| 6 | O2 | Output Pin 2 |
| 7 | D2 | Data Input Pin 2 |
| 8 | D3 | Data Input Pin 3 |
| 9 | O3 | Output Pin 3 |
| 10 | GND | Ground |
| 11 | LE | Latch Enable |
| 12 | O4 | Output Pin 4 |
| 13 | D4 | Data Input Pin 4 |
| 14 | D5 | Data Input Pin 5 |
| 15 | O5 | Output Pin 5 |
| 16 | O6 | Output Pin 6 |
| 17 | D6 | Data Input Pin 6 |
| 18 | D7 | Data Input Pin 7 |
| 19 | O7 | Output Pin 7 |
| 20 | VCC | Positive Supply |
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