You use the epm7128slc84-6 to fix digital logic problems. It works fast and is very reliable. This CPLD is part of the MAX 7000s family. It gives you 128 macro cells and 2,500 gates. The device can run up to 147.1 MHz. It uses a 5V power supply. The 84-pin PLCC package is easy to put in machines. You can find this CPLD in many applications. It is used in embedded systems, telecom, automotive, and consumer electronics. The pinout of this device is straightforward, making it user-friendly for integration. The table below shows the main features:
| Parameter | Value |
|---|---|
| Macro Cells | 128 |
| Gates | 2500 |
| Max Frequency | 147.1 MHz |
| Voltage | 4.75V ~ 5.25V |
| Package | 84-PLCC |
Key Takeaways
- The EPM7128SLC84-6 CPLD has 128 macro cells and 2,500 gates. This lets you make complex digital logic designs. It can work at a top speed of 147.1 MHz. This means it is fast and works well for many uses. The pinout is clear and the setup is flexible. This makes it easy to use in embedded systems, telecom, and consumer electronics. You can program the CPLD easily with Altera Quartus II or MAX+PLUS II software. You use a JTAG connection for simple setup. The non-volatile memory keeps your logic design safe when the power is off. This makes the device more reliable.
EPM7128SLC84-6 Pinout
The epm7128slc84-6 gives you a clear and organized pinout. You can use this information to connect the chip to your circuit. The pinout diagram helps you see where each pin sits on the 84-pin PLCC package. You will find that each pin has a special job. Some pins give power, some send signals, and others help with programming.
Pin Configuration
You can look at the pinout diagram below to see how the epm7128slc84-6 arranges its pins. This diagram shows the top view of the PLCC-84 package. Each pin has a number and a label. You will see that the pins go around all four sides of the chip.
+---------------------------------------+
1| |84
2| |83
3| |82
.| |..
.| |..
21| |64
+---------------------------------------+
Note: The full pinout diagram is available in the official datasheet. Always check the datasheet for the most accurate pin locations.
Here is a table that lists some important pins for the epm7128slc84-6:
| Pin Number | Name | Function |
|---|---|---|
| 21, 42, 63, 84 | VCC | Power Supply (5V) |
| 22, 43, 64, 1 | GND | Ground |
| 2-20, 23-41, 44-62, 65-83 | I/O | Input/Output Pins |
| 13 | CLK1 | Clock Input |
| 14 | CLK2 | Clock Input |
| 10 | nOE | Output Enable |
| 11 | nCE | Chip Enable |
| 12 | nRESET | Reset |
| 80 | TDI | JTAG Data In |
| 81 | TDO | JTAG Data Out |
| 82 | TCK | JTAG Clock |
| 83 | TMS | JTAG Mode Select |
You can see that the epm7128slc84-6 gives you many I/O pins. These pins let you connect the chip to other parts of your project.
Pin Functions
Each pin on the epm7128slc84-6 has a job. You use VCC pins to give power to the chip. GND pins connect to ground. I/O pins let you send and receive digital signals. You can use these pins for data, address, or control signals. The chip has two clock pins, CLK1 and CLK2. You use these pins to give timing signals to your logic circuits.
Some pins help you control the chip. The nOE pin lets you turn outputs on or off. The nCE pin enables or disables the chip. The nRESET pin resets the chip to its starting state. You also find special pins for programming and testing. The JTAG pins (TDI, TDO, TCK, TMS) help you program and debug the chip.
Tip: Always double-check the pinout before you connect the epm7128slc84-6 to your board. A wrong connection can damage the chip.
Special Pin Roles
Some pins on the epm7128slc84-6 can do more than one job. For example, many I/O pins can work as either input or output. You can set their function when you program the chip. The JTAG pins let you program the chip and also test your design. The clock pins can trigger different parts of your logic at the same time.
You will notice that the epm7128slc84-6 uses several VCC and GND pins. This setup gives the chip stable power and helps it run at high speeds. The chip spreads these pins around the package to lower noise and improve performance.
If you want to use the epm7128slc84-6 in your project, you should study the pinout diagram and the pin functions. This step helps you plan your circuit and avoid mistakes. The clear pinout makes the epm7128slc84-6 easy to use in many projects.
EPM7128SLC84-6 Features
The epm7128slc84-6 is special because it has strong features. You can use this device to make digital circuits that work fast and well. These features help in many different projects. Let’s see why the epm7128slc84-6 is a good choice.
Macro Cells and Gates
The epm7128slc84-6 has 128 macro cells. Each macro cell acts like a small part of your logic design. These macro cells have programmable flip-flops inside. You can control each flip-flop with preset, clear, clock, and enable signals. This setup lets you change your circuit easily.
The macrocell design is like other MAX 7000S family devices. You use Logic Array Blocks (LABs) to hold the macro cells. This design lets you make custom logic for your project. With 2,500 gates, you can build big digital systems without running out of room.
Tip: The macrocell design lets you change your logic if your project grows or changes.
Performance Specs
The epm7128slc84-6 works at high speeds. You can run your logic up to 147.1 MHz. The device answers fast, with a delay of only 6 nanoseconds. This means your circuits can handle data quickly and do hard jobs.
Here is a table with the main performance features:
| Parameter | Value |
|---|---|
| Maximum Operating Frequency | 147.1 MHz |
| Delay Time (tpd) Max | 6 ns |
| Usable Gates | 2,500 |
| Operating Voltage | 5V |
You can count on the epm7128slc84-6 to work fast and steady. The device uses many VCC and GND pins to keep power stable. This helps the chip run fast without mistakes.
CMOS Technology
The epm7128slc84-6 uses CMOS technology with EEPROM cells. This gives you some important features:
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You get non-volatile configuration. Your logic stays programmed even when the power is off.
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The device saves power. It uses less current when not working, so your project uses less energy.
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You get high reliability. The EEPROM cells keep your logic safe without extra memory.
Note: Non-volatile memory means you do not need to reprogram the chip every time you turn it on. This saves time and makes your design more reliable.
You can trust the epm7128slc84-6 to keep your logic safe and working. CMOS and EEPROM technology give you power savings and long-lasting use.
When you pick the epm7128slc84-6, you get a device with many features. You can build digital systems that are fast, flexible, and reliable. These features help you fix design problems and make your projects easier.
Applications
You can use the epm7128slc84-6 in lots of ways. This CPLD helps fix problems in digital design. Its flexible pinout and strong features make it useful for many projects. Let’s see how you might use the epm7128slc84-6 in real life.
Embedded Systems
The epm7128slc84-6 is often used in embedded systems. These systems need fast and steady logic. You can use this device for glue logic. Glue logic connects different chips together. It helps manage signals and cuts down on extra parts. Many engineers use the epm7128slc84-6 to build and test new ideas. You can change your logic if your design changes. The CPLD also works for control and peripheral interfaces. It acts as a bridge between your processor and other devices. Timing and clock management matter in embedded systems. The epm7128slc84-6 does these jobs with high accuracy.
Note: The flexible pinout lets you connect the CPLD to many microcontrollers and sensors.
Telecom and Automotive
The epm7128slc84-6 works well in telecom and automotive fields. In telecom, you can use it to manage data flow and timing. It helps keep signals moving smoothly between network devices. In cars, you need steady control for safety and performance. The epm7128slc84-6 connects sensors, controllers, and displays. It also helps with timing jobs, which are important in both telecom and cars.
Here are some common uses:
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Signal adaptation between different modules
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Timing and clock management for communication systems
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Custom logic for safety features in vehicles
Consumer Electronics
You can find the epm7128slc84-6 in many consumer electronics. It helps connect parts like displays, buttons, and memory chips. The CPLD lets you make custom logic for new features. You can use it to manage data between a processor and storage. It can also control user interfaces. Its non-volatile memory keeps your design safe even if the power goes out.
Some real-world examples include:
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Smart home devices that need custom control logic
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Audio and video equipment that needs fast signal processing
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Game consoles with special input and output needs
You can trust the epm7128slc84-6 for many uses. Its flexible pinout and strong features help you build products that work well and last.
Programming
Supported Tools
You can program the epm7128slc84-6 using tools from Altera. The main software you need is the Altera Quartus II or the older MAX+PLUS II. These programs let you design your logic and create the files needed for programming. You also need a hardware cable to connect your computer to the chip. The most common cables are the Altera ByteBlaster and USB-Blaster. These cables use the JTAG pins on the epm7128slc84-6 for easy programming.
Tip: Always check that your cable matches your computer’s ports. Some new computers need a USB-Blaster.
Programming Steps
You can follow these steps to program the epm7128slc84-6:
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Open Quartus II or MAX+PLUS II on your computer.
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Create a new project and choose the epm7128slc84-6 as your device.
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Write your logic design using schematic or HDL (like VHDL or Verilog).
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Compile your project to check for errors.
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Connect the programming cable to the JTAG pins on the chip.
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Use the software to detect the device and load your programming file.
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Start the programming process and wait for it to finish.
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Test your circuit to make sure it works as planned.
Note: Save your project files often. This helps you avoid losing your work if something goes wrong.
Troubleshooting
If you have problems with programming the epm7128slc84-6, try these tips:
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Check all cable connections. Loose wires can stop programming.
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Make sure you selected the correct device in the software.
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Restart the software if it does not find the chip.
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Look for error messages and read the help files in Quartus II or MAX+PLUS II.
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Try a different USB port or cable if the problem continues.
You can solve most programming issues by checking your setup and following these steps. The epm7128slc84-6 makes programming simple if you use the right tools and follow the process.
CPLD Comparison
Feature Differences
When you look at different CPLDs, you will notice some important differences. The epm7128slc84-6 stands out because it gives you 128 macro cells and 2,500 usable gates. Many other CPLDs in the same class offer fewer macro cells or lower speed. You get a maximum frequency of 147.1 MHz with the epm7128slc84-6. Some CPLDs only reach 50 MHz or 100 MHz. The epm7128slc84-6 uses a 5V power supply, while newer CPLDs may use 3.3V or even lower voltages. This can help you if your project needs 5V logic.
Here is a table to help you compare:
| Feature | epm7128slc84-6 | Typical CPLD (Similar Class) |
|---|---|---|
| Macro Cells | 128 | 64–128 |
| Usable Gates | 2,500 | 1,000–2,500 |
| Max Frequency | 147.1 MHz | 50–100 MHz |
| Operating Voltage | 5V | 3.3V–5V |
| Package | PLCC-84 | PLCC-44, PLCC-84 |
Note: Always check your system voltage before you pick a CPLD.
Pros and Cons
You should know the strengths and weaknesses of the epm7128slc84-6 before you choose it for your project. Here are some points to help you decide:
Pros:
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You get a high number of macro cells for complex designs.
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The epm7128slc84-6 supports fast logic with a high maximum frequency.
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Non-volatile memory keeps your design safe after power loss.
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The 5V operation makes it easy to use with older systems.
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The PLCC-84 package is easy to handle and solder.
Cons:
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The epm7128slc84-6 uses more power than newer low-voltage CPLDs.
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You may find fewer features compared to modern FPGAs.
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The 5V logic may not work with new 1.8V or 3.3V devices.
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The package size is larger than some newer CPLDs.
Tip: If you need simple, fast, and reliable logic, the epm7128slc84-6 is a strong choice. If you want lower power or more advanced features, you may want to look at newer CPLDs or FPGAs.
Packaging
PLCC-84 Details
You will find the epm7128slc84-6 in a PLCC-84 package. PLCC stands for Plastic Leaded Chip Carrier. This type of package has 84 pins. The pins go around all four sides of the chip. You can use this package for both through-hole and surface-mount designs. The square shape makes it easy to place on a printed circuit board.
The PLCC-84 package helps you save space on your board. You can fit the epm7128slc84-6 into tight spots. The leads bend out and then down, which makes soldering easier. You can use a socket if you want to remove the chip later. Many engineers like this package because it is strong and protects the chip inside.
Here is a quick look at the PLCC-84 features:
| Feature | Description |
|---|---|
| Pin Count | 84 |
| Mounting | Surface-mount or socketable |
| Body Size | About 29mm x 29mm |
| Lead Pitch | 1.27mm |
Tip: Always check your board layout before you order the epm7128slc84-6. Make sure the PLCC-84 footprint matches your design.
Ordering Info
When you want to buy the epm7128slc84-6, you should look for the full part number. The part number tells you the speed grade, package type, and temperature range. For example, "epm7128slc84-6" means you get a 6ns speed grade in a PLCC-84 package.
You can order the epm7128slc84-6 from many electronics suppliers. Some popular choices include Digi-Key, Mouser, and Arrow. You should check the stock and lead time before you place your order. Prices can change based on how many chips you buy.
Follow these steps to order:
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Find the exact part number for your needs.
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Check the supplier’s website for availability.
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Compare prices and shipping options.
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Place your order and keep your receipt.
Note: Some suppliers offer bulk discounts if you need many epm7128slc84-6 chips for your project.
You get lots of benefits when you pick the epm7128slc84-6 for your projects. This chip is fast and has a flexible pinout. It also has memory that keeps your data safe when power is off. You can use the epm7128slc84-6 in embedded systems, telecom, or electronics for consumers. If you want more technical info, look at the official datasheet for the epm7128slc84-6. After that, you can add the chip to your design or start programming it with trusted tools.
Written by Jack Elliott from AIChipLink.
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