74LS245 Octal Bus Transceiver – DIP-20

The 74245 is a TTL logic integrated circuit designed to provide eight bidirectional data channels for efficient communication between two separate 8-bit buses. It features direction control for selecting the data flow path and output enable control for isolating the bus when needed. Its three-state outputs make it ideal for shared bus architectures commonly found in microprocessor and memory systems. Operating on a standard 5V TTL supply, the 74245 is widely used for bus interfacing, signal buffering, and digital system expansion.

Features

- Octal bidirectional bus transceiver

- Eight independent data channels

- Bidirectional data transfer between two buses

- Direction control input for data flow selection

- Three-state outputs for shared bus systems

- Output enable control for bus isolation

- Standard TTL logic compatibility

- Single 5V supply operation

- High-speed switching performance

- Strong output drive capability

- Suitable for microprocessor bus interfacing

- DIP-20 through-hole package

- Breadboard-friendly design

- Reliable TTL logic performance

Specifications

- Model: 74245

- Device Type: Octal Bus Transceiver IC

- Logic Family: TTL

- Number of Channels: 8

- Data Direction Control: Bidirectional

- Output Type: Three-State

- Supply Voltage: 5V

- Propagation Delay (Typical): 12ns

- Output Drive Capability: ±15mA

- Power Consumption (Typical): 60mW

- Package Type: 20-Pin DIP

- Mounting Type: Through-Hole

- Operating Temperature Range: 0°C to +70°C

- Application Type: Bus Interfacing and Signal Buffering

Links

- 3D Model

- Datasheet

Tutorials

74245 Bi Directional Octal Bus Transceiver ( 74*245 74hct245 )