M4A3-64/64-7VNC In-System Programmable CPLD by Lattice Semiconductor | High-Speed Logic Device
The M4A3-64/64-7VNC is a high-performance Complex Programmable Logic Device (CPLD) manufactured by Lattice Semiconductor Corporation. Designed for flexibility and efficiency, this CPLD is ideal for applications requiring robust logic integration and real-time processing. With its In-System Programming (ISP) capability, the device can be reprogrammed without removal from the circuit board, significantly reducing development time and cost. Although marked as "Not For New Designs," the M4A3-64/64-7VNC remains a reliable choice for legacy systems, offering a balance of speed, power efficiency, and logic density.
This CPLD operates with an internal voltage supply range of 3V to 3.6V, making it compatible with standard 3.3V systems. Its 7.5 ns maximum propagation delay ensures high-speed operation, suitable for time-critical applications such as signal processing and communication interfaces. The device is housed in a 100-TQFP (14x14) package, providing a compact footprint while maintaining excellent thermal and electrical performance. With 64 macrocells and 64 I/O pins, it offers ample resources for implementing complex logic functions and interfacing with external components.
The M4A3-64/64-7VNC excels in environments requiring reliable performance under moderate conditions, with an operating temperature range of 0 C to 70 C. Its surface-mount design ensures compatibility with modern PCB assembly techniques, while the 100-LQFP package facilitates easy integration into high-density layouts. Engineers and developers will appreciate its versatility in applications ranging from industrial automation to embedded control systems, where programmable logic and fast response times are critical.
One of the standout features of this CPLD is its In-System Programmability (ISP), which allows for firmware updates and debugging without physical access to the device. This feature is particularly valuable in field-upgradable systems and prototyping stages, where iterative design changes are common. Additionally, the 64 I/O pins support a wide range of communication protocols, including SPI, I2C, and UART, making it a versatile choice for interfacing with sensors, displays, and other peripherals.
In summary, the M4A3-64/64-7VNC is a well-rounded CPLD that delivers high-speed logic processing, flexible I/O configurations, and reliable performance. While it may not be the latest offering from Lattice Semiconductor, its proven track record in embedded systems, signal processing, and industrial automation ensures its continued relevance. For engineers maintaining legacy designs or seeking a cost-effective programmable logic solution, this device remains a compelling option.
