LC4064B-5TN44I vs LC4064B-5TN48I
| 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 5NS 48TQFP |
| Package | Tray | Tray |
| Series | ispMACH® 4000B | ispMACH® 4000B |
| Operating Temperature | -40°C ~ 105°C (TJ) | -40°C ~ 105°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 | 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. 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. 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. How does a CPLD work?
CPLDs implement specific functions by combining logic gates together. The user writes the code in HDL according to the design requirements, maps the logic functions to the CPLD hardware, and the device is configured with circuits and logic to accomplish specific tasks.
