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74LS157/ 74LS157N replacement chip. DIP-16, Quadruple 2-line to 1-line data selectors/multiplexers
The 74LS157 is a quad 2-input multiplexer chip, which is part of the 74LS series of TTL (Transistor-Transistor Logic) integrated circuits. It is commonly used in digital electronics and can be found in various applications such as data selectors, bus drivers, and other multiplexing tasks.
Here are some key features and specifications of the 74LS157:
It’s important to consult the datasheet for the specific manufacturer and variant of the 74LS157 that you are using, as there might be slight variations in features or pin configurations between different manufacturers. Additionally, newer and more power-efficient technologies may be preferred in modern digital designs, but the 74LS157 and similar chips are still used in educational settings and for specific applications.
The following arcade games and pinball machines use the 74LS157:
The following represents the pinout of the 74LS157N in a DIP-16 package, commonly used in arcade and pinball machines.
You can find the datasheet for the 74LS157 here: 74LS157 datasheet