产品概览
The M4A3-64/32-10VNC is a Lattice MACH4A3 family CPLD with 64 macrocells and 32 I/O pins. 10ns maximum pin-to-pin propagation delay. 3.3V core with 5V-tolerant I/O for mixed-voltage designs. JTAG ISP programming. PLCC-44 package for commercial grade applications.
主要规格
| 类型 | Complex Programmable Logic Device (CPLD) |
| Macrocells | 64 |
| I/O Pins | 32 |
| tPD | 10 ns max |
| Logic Blocks | 4 |
| 电源电压 | 3.3V / 5V compatible I/O |
| JTAG | Yes – IEEE 1149.1 |
| Operating Temp | 0 to +70C (Commercial) |
| 包装 | PLCC-44 |
工作原理
The MACH4 architecture uses Product Term (p-term) logic blocks interconnected by a central routing pool. Each logic block contains 16 macrocells with programmable AND/OR arrays, a flip-flop, and output enable logic. The central routing pool provides 100% connectivity between blocks. 3.3V core minimizes power while 5V-tolerant I/O allows interfacing with legacy 5V logic. In-system programming via JTAG interface.
应用
- Glue logic replacement
- Address decoding
- State machines
- Bus interfacing