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The Texas Instruments SN74LVC2G74DCUR is a dual D-type flip-flop designed to operate in low-voltage CMOS logic levels. It is part of the LVC family, meaning it supports a wide voltage range while maintaining high speed and low power consumption. This IC is typically used for storing state information, making it essential in various digital circuits. Functions - D-type Flip-Flop: The primary function is to store a single bit of data. It has a data input (D), a clock input (CLK), and an asynchronous reset (/RESET) and preset (/PRESET) capability. - Edge-Triggered Operation: The output (Q) changes state on the rising edge of the clock input. - Low-Voltage Operation: It operates with supply voltages as low as 1.65V to 5.5V, making it suitable for battery-powered devices. - High-speed Performance: It can operate at high frequencies, making it suitable for fast digital applications. Applications - Data Storage: Used in applications where temporary storage of binary information is needed. - Timing Applications: Can be used in counters and shift registers. - Signal Synchronization: Ideal for synchronizing data signals in digital communication systems. - State Machines: Commonly used in the design of finite state machines (FSM). Alternative Parts Here are some alternative parts that have similar functionality: - 74LVX74: A low-voltage CMOS dual D-type flip-flop. - SN74373: Quad D-type flip-flop with reset functionality. - 74HC74: A widely used dual D-type flip-flop in the HC family. - SN74LVC1G74: A single D-type flip-flop variant with similar features. Embedded Modules While the SN74LVC2G74DCUR itself may not be part of a dedicated module, it can be embedded in: - FPGA Development Kits: Aggregation with other digital functions for prototyping. - Microcontroller Boards: Implementation in communication interfaces requiring state memory. - Custom PCB Designs: For tailored solutions in digital circuit design. Related Q&A 1. Q: What is the maximum clock frequency for the SN74LVC2G74DCUR? - A: The maximum clock frequency depends on the supply voltage, but typical performance allows clock rates in the MHz range, making it suitable for high-speed applications. 2. Q: Can the SN74LVC2G74DCUR operate with 1.8V logic levels? - A: Yes, it can operate down to 1.65V, making it compatible with 1.8V logic levels. 3. Q: How does the asynchronous preset and reset work in the SN74LVC2G74DCUR? - A: The asynchronous preset (/PRESET) and reset (/RESET) inputs allow you to set or clear the output (Q) immediately, regardless of the clock state, enabling control of the output state without a clock pulse. 4. Q: Is the SN74LVC2G74DCUR suitable for battery-operated applications? - A: Yes, its low power consumption and wide voltage operating range make it ideal for battery-powered and portable devices. 5. Q: What is the main difference between the SN74LVC2G74 and the SN74HC74? - A: The SN74LVC2G74 supports lower voltage levels (1.65V to 5.5V), while the SN74HC74 primarily operates within a higher voltage range (2V to 6V) and may have different speed characteristics.