LC4064B-5TN44I vs XC9536-5VQG44C
| Part Number |
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| Category | Embedded - CPLDs (Complex Programmable Logic Devices) | Embedded - CPLDs (Complex Programmable Logic Devices) |
| Manufacturer | Lattice Semiconductor Corporation | Xilinx Inc. |
| Description | IC CPLD 64MC 5NS 44TQFP | IC CPLD 36MC 5NS 44VQFP |
| Package | Tray | Tray |
| Series | ispMACH® 4000B | XC9500 |
| Operating Temperature | -40°C ~ 105°C (TJ) | 0°C ~ 70°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 44-TQFP | 44-TQFP |
| Supplier Device Package | 44-TQFP (10x10) | 44-VQFP (10x10) |
| Programmable Type | In System Programmable | In System Programmable (min 10K program/erase cycles) |
| Delay Time tpd(1) Max | 5 ns | 5 ns |
| Voltage Supply - Internal | 2.3V ~ 2.7V | 4.75V ~ 5.25V |
| Number of Logic Elements/Blocks | 4 | 2 |
| Number of Macrocells | 64 | 36 |
| Number of I/O | 30 | 34 |
| Number of Gates | - | 800 |
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1. What is the difference between CPLD and FPGA?
Both CPLDs and FPGAs are programmable logic devices, but CPLDs typically have lower logic density, consume less power, and are suitable for simple logic tasks. FPGAs, on the other hand, are suitable for complex logic designs with more logic units and more flexible configuration capabilities.
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2. What are the main applications of CPLDs?
CPLDs are commonly used to implement controllers, interface circuits, logic state machines, timing control, circuit signal conditioning, and other tasks, and are used in communication equipment, industrial automation, embedded systems, and consumer electronics.
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3. Do CPLDs have high power consumption?
Compared to FPGAs, CPLDs typically have lower power consumption and are suitable for battery-powered or applications that require low power consumption. However, the exact power consumption still depends on the CPLD model used and the logic complexity in the application.
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4. How does a CPLD's memory work?
CPLDs typically use non-volatile memory (such as Flash or EEPROM) to store configuration data, so the device maintains the programmed logic even after a power failure. This allows the CPLD to quickly boot up and return to a previously configured state.

