The ON Semiconductor MC74HCT245ADTG is a high-performance, integrated circuit designed for use in a wide range of digital applications. This device is an octal 3-state non-inverting bus transceiver that is intended to provide bidirectional drive for bus-oriented microprocessor and digital communication systems.
Key Features
- Logic Type: Bus Transceiver
- Number of Channels: 8
- Operating Temperature: -55°C to +125°C
- Logic Family: HCT
- Output Type: 3-State
- Package / Case: TSSOP-20
- Supply Voltage Range: 4.5V to 5.5V
- Logic Level - High: 2V minimum
- Logic Level - Low: 0.8V maximum
The MC74HCT245ADTG is characterized for operation from -55°C to +125°C, making it suitable for harsh environment applications. The device features an active-low output enable (OE) input, which, when high, places the outputs in a high impedance state. This allows for the connection of multiple devices on a single bus without the risk of bus contention.
One of the significant advantages of this bus transceiver is its compatibility with TTL logic levels while being able to operate at the higher speed of CMOS logic. This makes it an excellent choice for interfacing between systems that use different logic standards. The device also offers low power consumption, which is critical for battery-powered and energy-efficient designs.
The MC74HCT245ADTG comes in a TSSOP-20 package, which is compact and suitable for space-constrained applications. The pin configuration and package design ensure ease of PCB layout and assembly in automated manufacturing processes.
In summary, the ON Semiconductor MC74HCT245ADTG is a versatile, high-speed bus transceiver that provides reliable performance for digital systems requiring bidirectional data flow. Its robust design, compatibility with multiple logic standards, and low power consumption make it an excellent choice for a wide array of electronic applications.