ON Semiconductor 74LCX821MSA: A High-Performance 10-Bit D-Type Flip-Flop

The 74LCX821MSA from ON Semiconductor is a high-speed CMOS 10-bit D-type flip-flop with a bus-hold feature, designed to meet the evolving needs of modern digital systems. This integrated circuit is part of ON Semiconductor's LCX family, known for its low voltage operation and significantly reduced power consumption. The 74LCX821MSA is ideal for applications that require the capture and storage of multiple bits of data simultaneously, such as registers, buffers, and control storage.

Key Features:

• Low Voltage Operation: The device is optimized for 3.3V VCC operation but can also handle 5V tolerant inputs, providing flexible compatibility with mixed-voltage systems.
• High-Speed Performance: It boasts a propagation delay of approximately 5ns at 3.3V, enabling high-speed data transfer and processing.
• Power Down High Impedance Inputs and Outputs: This feature ensures that the device maintains a high impedance state when powered down, minimizing potential power leakage.
• Bus-Hold Data Inputs: The bus-hold feature eliminates the need for external pull-up or pull-down resistors, simplifying board design and reducing component count.
• Support for Live Insertion and Withdrawal: The 74LCX821MSA can be inserted or removed from a live backplane without causing disruption to the existing data flow, thanks to its control circuitry.

Technical Specifications:

• Logic Type: D-Type Flip-Flop
• Number of Bits per Element: 10
• Number of Elements: 1
• Output Type: Tri-State
• Mounting Type: Surface Mount
• Package / Case: SOP-24

The 74LCX821MSA is supplied in a SOP-24 (Small Outline Package) form factor, which is suitable for automated surface-mount assembly processes and space-constrained applications. Its robust design ensures reliable operation even under the stress of varying environmental conditions and frequent handling, which is typical in industrial and commercial settings.

ON Semiconductor's commitment to quality and performance is evident in the 74LCX821MSA, making it a smart choice for designers looking to implement fast and efficient data handling in their digital systems.