LC4064B-5TN44I vs ATF2500C-20GM
| Part Number |
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| Category | Embedded - CPLDs (Complex Programmable Logic Devices) | Embedded - CPLDs (Complex Programmable Logic Devices) |
| Manufacturer | Lattice Semiconductor Corporation | Microchip Technology |
| Description | IC CPLD 64MC 5NS 44TQFP | IC CPLD 24MC 20NS 40CDIP |
| Package | Tray | Tube |
| Series | ispMACH® 4000B | ATF2500C(L) |
| Operating Temperature | -40°C ~ 105°C (TJ) | -55°C ~ 125°C (TC) |
| Mounting Type | Surface Mount | Through Hole |
| Package / Case | 44-TQFP | 40-CDIP (0.600\", 15.24mm) |
| Supplier Device Package | 44-TQFP (10x10) | 40-Cerdip |
| Programmable Type | In System Programmable | In System Programmable |
| Delay Time tpd(1) Max | 5 ns | 20 ns |
| Voltage Supply - Internal | 2.3V ~ 2.7V | 4.5V ~ 5.5V |
| Number of Logic Elements/Blocks | 4 | - |
| Number of Macrocells | 64 | 24 |
| Number of I/O | 30 | 24 |
| Number of Gates | - | - |
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1. What is CPLD (Complex Programmable Logic Device)?
A CPLD is a programmable logic device that consists of multiple configurable logic gates that allow the user to program logic circuits as needed.CPLDs are widely used in embedded systems and hardware circuit design to implement specific control and logic functions.
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2. 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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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.
