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The Texas Instruments SN74AHC74QDRQ1 is a dual positive-edge-triggered D-type flip-flop with clear and preset. It belongs to the SN74AHC family of integrated circuits and is specifically designed for automotive applications, characterized for operation over the automotive temperature range of -40°C to 125°C. Functions: 1. Dual D-Type Flip-Flop - The IC has two individual flip-flops with common clock (CLK) and clear (CLR) inputs. 2. Positive-Edge Triggered - The flip-flop changes state on the rising edge of the clock signal. 3. Clear and Preset Inputs - CLR and PR, respectively, to asynchronously reset and set the outputs Q and ~Q. Applications: - Automotive systems - Industrial automation - General logic applications in harsh environments Alternative Components: - SN74HC74QDR - Non-automotive version of the IC - 74ACT74 - Faster operating speed - CD74HC74 - Similar functionality in a different package Embedded Modules: There are no specific embedded modules related to the SN74AHC74QDRQ1, but it can be used within larger digital systems or microcontroller projects for sequential logic operations. Related Q&A: 1. What is the clock frequency range supported by the SN74AHC74QDRQ1? - The IC can typically support clock frequencies up to 50MHz in normal operating conditions. 2. How does the clear (CLR) input affect the output of the flip-flop? - When the clear input is LOW, the outputs Q and ~Q are forced to logic LOW regardless of the inputs. 3. Can the SN74AHC74QDRQ1 be used in non-automotive applications? - Yes, the IC can be used in various digital logic circuits and systems beyond automotive environments. 4. What is the power supply voltage range for this IC? - The SN74AHC74QDRQ1 typically operates with a power supply voltage range of 2V to 5.5V. 5. Does this IC have protection features against voltage spikes? - While not specified for ESD or voltage spike protection, the IC is designed to withstand typical automotive conditions, offering some level of robustness.