BUY 74LS642-1N https://www.utsource.net/itm/p/609258.html
OCTAL BUS TRANSCEIVERS
The 74LS642-1N is a 20-pin DIP (dual in-line package) integrated circuit (IC) from the 74LS family of logic devices. It is a 4-bit parallel-in/serial-out shift register with an asynchronous reset.
Description: The 74LS642-1N is a 4-bit parallel-in/serial-out shift register with an asynchronous reset. It has four parallel data inputs (D0-D3), a clock input (CP), and an asynchronous reset input (R). The device has a serial output (Q) and a serial output enable (OE).
Features:
4-bit parallel-in/serial-out shift register
Asynchronous reset
Clock input (CP)
Serial output (Q)
Serial output enable (OE)
20-pin DIP package
Applications: The 74LS642-1N is used in applications such as digital data storage and transmission, data conversion, and data manipulation. It is also used in digital logic circuits, such as counters, shift registers, and memory devices.
(For reference only)
