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BUY DM74LS240N https://www.utsource.net/itm/p/1709719.html
Octal 3-STATE Buffer/Line Driver/Line Receiver
The DM74LS240N is a TTL-compatible octal buffer and line driver with 3-state outputs. It is a 20-pin DIP (dual in-line package) integrated circuit manufactured by National Semiconductor. Description: The DM74LS240N is an octal buffer and line driver with 3-state outputs. It is designed to be used in applications where high speed, low power, and high noise immunity are required. The device features an active-low output enable (OE) input which can be used to disable all outputs simultaneously. The outputs are capable of sinking 24 mA and sourcing 10 mA. Features: TTL-compatible inputs 3-state outputs Output enable (OE) input Low power consumption High noise immunity 24 mA sink current 10 mA source current Applications: The DM74LS240N is commonly used in applications such as bus drivers, memory address drivers, and data buffers. It is also used in applications such as data transmission, data switching, and data multiplexing. (For reference only)