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Rochester Electronics SN54LS668J Environmental and export classification status description

The Texas Instruments SN54LS668J is a 8-bit register with 3-state outputs. It is part of the SN54LS series of integrated circuits known for their high-speed operation and compatibility with TTL (Transistor-Transistor Logic) families. Functions: - 8-bit register with parallel load and 3-state outputs. - Cascadable for wider data buses. - Works with typical TTL voltage levels for ease of use. Applications: - Data storage and shift register applications. - Parallel-to-serial and serial-to-parallel data conversion. - Memory and bus interfacing in various electronic systems. Alternative Components: - SN54LS669: 16-bit version of the same family with additional features. - SN74LS164: 8-bit parallel-out shift register with simpler functionality. - SN74LS273: 8-bit register with different functions and pinout. Embedded Modules: The SN54LS668J can be integrated into various digital systems as a key component in register and data storage circuits. It can be used in microcontroller interfacing, communication systems, and general digital logic applications. Related Q&A: 1. What is the maximum clock frequency of the SN54LS668J? - The maximum clock frequency is typically around 25 MHz, depending on the operating conditions and setup. 2. Can I cascade multiple SN54LS668J devices to create a wider data bus? - Yes, you can cascade multiple SN54LS668J devices to create wider data buses by connecting the outputs of one register to the inputs of the next. 3. How does the parallel load function work in the SN54LS668J? - The parallel load function allows you to simultaneously load the data stored in the inputs to the register, updating all bits at once on the rising edge of the clock signal. 4. What are the typical voltage requirements for the SN54LS668J? - The SN54LS668J operates with a supply voltage typically around 5V and is compatible with TTL voltage levels for both input and output signals. 5. In what types of applications is the 3-state output feature of the SN54LS668J useful? - The 3-state output feature allows the device to effectively disconnect its outputs from the external bus, enabling multiple devices to share the same data bus without conflict.