Microchip Technology's ATF1508AS-15JI84 CPLD

The ATF1508AS-15JI84 is a high-performance Complex Programmable Logic Device (CPLD) designed and manufactured by Microchip Technology, a leader in the field of microcontroller and analog semiconductors. This CPLD belongs to the Atmel ATF15xxAS series and is engineered to offer a flexible and efficient solution for various digital logic applications.

Constructed with advanced 0.35-micron/5V technology, the ATF1508AS-15JI84 delivers a robust combination of speed and density, making it an ideal choice for implementing gluelogic or for replacing multiple TTL and CMOS logic ICs. With its 150 MHz system performance and 7.5 ns pin-to-pin logic delays, this device ensures rapid processing and reduced latency in critical applications.

Featuring 128 macrocells and 84 pins, the ATF1508AS-15JI84 provides ample logic resources and I/O capabilities for medium-complexity designs. The macrocells are organized into two logic array blocks (LABs), offering a high degree of flexibility in logic allocation and routing. Each macrocell includes a programmable-AND/fixed-OR logic array and a register that can be configured for D-type flip-flop or latch operation, with or without clock enable.

One of the key advantages of this CPLD is its in-system programmability (ISP) through the industry-standard Joint Test Action Group (JTAG) interface. This feature allows for easy reprogramming and updating of the logic design without removing the device from the circuit board, greatly simplifying prototyping and field updates.

The ATF1508AS-15JI84 operates at a voltage of 5V with a 15 ns maximum propagation delay, ensuring compatibility with a wide range of existing 5V systems. It comes in a 84-lead PLCC (Plastic Leaded Chip Carrier) package, which provides a compact footprint and reliable connectivity for surface-mount technology (SMT) assembly processes.

With its combination of performance, flexibility, and ease of use, the ATF1508AS-15JI84 from Microchip Technology is an excellent choice for designers looking to create high-speed digital logic circuits for a variety of applications, including industrial control systems, automotive electronics, communication devices, and consumer electronics.