The SN74ALS644AN is a high-performance, innovative integrated circuit product from Texas Instruments, a global leader in semiconductor solutions.

• Description: Octal bus transceiver that is specifically designed with 3-state outputs.
• Series: Integral part of the 'ALS' series, which is renowned for its advanced low-power Schottky technology.
• Interface: Features a bi-directional interface between data buses.
• Communication: Designed to allow asynchronous communication between data buses.
• Output-Enable Inputs: Equipped with two active-low output-enable inputs.
• Supply Voltage Range: Operates with a wide supply voltage range from 4.5V to 5.5V.
• Drive Capability: Features a high drive capability of up to 15 LSTTL loads.
• Outputs: 3-state outputs.
• Packaging: Comes in a PDIP package.
• Pins: Features 20 pins.