Description
The 74LS245 is a high-speed octal bus transceiver designed for two-way communication between data buses. It features non-inverting 3-state outputs, allowing the device to either pass data from side A to side B, from side B to side A, or disconnect both sides completely (high-impedance state).
This IC is a vital component in microprocessor systems for buffering data buses and isolating different segments of a system. By using an enable pin (G-bar) and a direction control pin (DIR), the 74LS245 provides precise control over data flow, preventing bus contention in complex digital architectures.
Note: Product images are shown for reference only. The actual product may vary in appearance, manufacturer marking, or logo depending on stock availability.
Features
- Octal (8-bit) bidirectional data flow
- 3-state outputs for bus-oriented applications
- Non-inverting logic
- Low-power Schottky (LS) TTL technology
- Standard 20-pin DIP through-hole package
Benefits
- Bus Isolation: 3-state outputs allow multiple devices to share the same data bus without interference.
- Flexible Control: Dedicated direction (DIR) and output enable (G-bar) pins allow for dynamic control over communication.
- Robust Design: Optimized for high-speed digital systems with heavy capacitive loads.
Applications
- Microprocessor/Microcontroller Data Bus Buffering
- Data Bus Isolation and Expansion
- Memory Interfacing
- Peripheral Communication Controllers
Package Includes
- 1 x 74LS245 3-State Octal Bus Transceiver IC (DIP-20)
Specifications
| Parameter | Specification |
|---|---|
| Product Name | 74LS245 |
| Device Type | Octal Bus Transceiver |
| Logic Family | 74LS (Low-Power Schottky TTL) |
| Package / Case | DIP-20 |
| Mounting Type | Through-Hole |
| Shipping Weight | 0.001 kg |
| Shipping Dimensions | 4 x 4 x 1 cm |










