The NXP 74ALVCH16821 is a high-performance, 20-bit flip-flop designed for bus interface or buffer applications requiring high speed and low power consumption. This integrated circuit is part of the advanced high-speed CMOS family (ALVCH) and is fabricated with silicon gate CMOS technology. It is particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working memory.
Key Features:
- High-Speed Operation: This device operates at frequencies up to 500 MHz, making it ideal for high-speed data processing and communication systems.
- Low Power Consumption: The 74ALVCH16821 is designed for low power consumption, with a typical ICC of only 5 μA, minimizing power usage in your design.
- 3-State Outputs: The flip-flop features 3-state outputs to ensure that multiple devices can share a common bus without interference, providing high bus capacitance drive.
- 20-Bit Wide: With 20 bits, this device can handle wide data or address paths, allowing for efficient data handling and storage.
- Edge-Triggered D-Type Flip-Flops: The edge-triggered design ensures accurate data capture on the rising edge of the clock signal.
- Bus-Hold Data Inputs: The bus-hold feature on data inputs eliminates the need for external pull-up or pull-down resistors, simplifying board design and reducing component count.
- Live Insertion and Extraction: This device is equipped with features that allow live insertion and extraction, minimizing system disruptions during hardware upgrades or maintenance.
- Multiple VCC and GND Pins: The multiple VCC and GND pins help minimize inductive noise, ensuring stable operation in noisy environments.
Applications:
The 74ALVCH16821 is versatile and can be used in various applications, including:
- High-speed data acquisition systems
- Communication interfaces
- Processor and microcontroller bus interfaces
- Memory buffer registers
- Peripheral drivers
Technical Specifications:
- Supply Voltage (VCC): 2.3V to 3.6V
- Output Current: -32 mA to +32 mA
- Temperature Range: -40°C to +85°C
- Package: 56-pin TSSOP
For detailed information, refer to the NXP 74ALVCH16821 datasheet and technical documents. This product is RoHS compliant and is designed to meet the stringent requirements of modern electronic equipment.