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BUY SN7400N https://www.utsource.net/itm/p/11723246.html
IC GATE NAND 4CH 2-INP 14DIP
SN7400N is a 14-pin dual in-line package (DIP14) integrated circuit (IC) from Texas Instruments (TI). It is a member of the TTL (transistor-transistor logic) family of logic ICs. Description: The SN7400N is a Quad 2-Input NAND Gate with open collector outputs. It contains four independent gates each of which performs the logic NAND function. Features: Low power TTL compatible logic Outputs can be connected to other open-collector gates to implement active-low wired-OR or active-high wired-AND functions Inputs are compatible with standard TTL logic levels Outputs can sink up to 32 mA of current Operating temperature range: -55°C to 125°C Applications: Digital logic functions Data transmission Signal conditioning Pulse generation Clock and timing circuits Control circuits (For reference only)