LC4064B-5TN44I vs LC4064B-75TN48C
| Part Number |
|
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| Category | Embedded - CPLDs (Complex Programmable Logic Devices) | Embedded - CPLDs (Complex Programmable Logic Devices) |
| Manufacturer | Lattice Semiconductor Corporation | Lattice Semiconductor Corporation |
| Description | IC CPLD 64MC 5NS 44TQFP | IC CPLD 64MC 7.5NS 48TQFP |
| Package | Tray | Tray |
| Series | ispMACH® 4000B | ispMACH® 4000B |
| Operating Temperature | -40°C ~ 105°C (TJ) | 0°C ~ 90°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 44-TQFP | 48-LQFP |
| Supplier Device Package | 44-TQFP (10x10) | 48-TQFP (7x7) |
| Programmable Type | In System Programmable | In System Programmable |
| Delay Time tpd(1) Max | 5 ns | 7.5 ns |
| Voltage Supply - Internal | 2.3V ~ 2.7V | 2.3V ~ 2.7V |
| Number of Logic Elements/Blocks | 4 | 4 |
| Number of Macrocells | 64 | 64 |
| Number of I/O | 30 | 32 |
| Number of Gates | - | - |
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1. How to program CPLD?
CPLDs are typically programmed through a hardware description language (HDL) such as VHDL or Verilog. Developers use development tools such as Xilinx ISE or Altera Quartus to design and simulate, and then burn the program into the CPLD.
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2. How do CPLDs integrate with microcontrollers?
CPLDs are often used as auxiliary devices to microcontrollers to handle complex logic control tasks. a CPLD can reduce the burden on the microcontroller, allowing it to focus on core processing while the CPLD handles logic control, signal conditioning, and more.
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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. Can a CPLD be used as a replacement ASIC?
CPLDs can be used as an alternative to ASICs (Application Specific Integrated Circuits) in certain low-complexity applications, especially in shorter development cycles and more cost-sensitive projects. Although CPLDs are not as efficient as ASICs, they offer flexible programmability.
