Description
The 74LVC4245APW,118 is an octal bus transceiver designed specifically for interfacing between 3.3V and 5V systems. It features dual supply voltage pins (VCCA and VCCB), allowing the device to act as a bridge where signals on the A-port operate at one voltage level (e.g., 3.3V) and signals on the B-port operate at another (e.g., 5V). This makes it essential for modern mixed-voltage designs, such as interfacing low-voltage microprocessors with 5V sensors, memories, or legacy bus peripherals.
This device is a non-inverting, 3-state transceiver. It features a Direction (DIR) control pin to determine the flow of data (A to B or B to A) and an active-LOW Output Enable (OE-bar) pin. When OE-bar is HIGH, the outputs are placed in a high-impedance state, allowing for bus isolation.
Note: Product images are shown for reference only. The actual product may vary in appearance, manufacturer marking, or logo depending on stock availability. For complete electrical characteristics, voltage translation limits, and pin configuration, please refer to the datasheet available in the Attachment section.
Features
- Octal (8) bidirectional data paths
- Dual supply pins (VCCA and VCCB) for true voltage level translation
- 3-state outputs for bus isolation
- Bidirectional data flow control (DIR pin)
- High-speed LVC (Low-Voltage CMOS) technology
- TSSOP-24 SMD package
Benefits
- Simplifies interfacing between 3.3V and 5V digital domains
- Bidirectional functionality reduces the need for multiple uni-directional level shifters
- Prevents signal contention through high-impedance control
- Supports high-speed communication across different voltage rails
Applications
- Mixed-Voltage System Interfacing
- CPU/FPGA to 5V Peripheral Communication
- Level Shifting for Shared Data Buses
- High-Speed Level Translation in Industrial Controllers
Package Includes
- 1 x 74LVC4245APW,118 Octal Dual Supply Translating Transceiver IC (TSSOP-24 SMD)
Specifications
| Parameter | Specification |
|---|---|
| Product Name | 74LVC4245APW,118 |
| Device Type | Octal Dual Supply Translating Transceiver |
| Voltage Translation | 3.3V to 5V (Typical) |
| Logic Family | 74LVC (Low-Voltage CMOS) |
| Package / Case | TSSOP-24 (SMD) |
| Mounting Type | Surface Mount (SMD/SMT) |
| Shipping Weight | 0.001 kg |
| Shipping Dimensions | 4 x 4 x 1 cm |









