EP4CE22E22I7N IC

Technical Specifications of EP4CE22E22I7N

Datasheet	EP4CE22E22I7N datasheet
Category	Integrated Circuits (ICs)
Family	Embedded – FPGAs (Field Programmable Gate Array)
Manufacturer	Altera
Series	Cyclone? IV E
Part Status	Active
Number of LABs/CLBs	1395
Number of Logic Elements/Cells	22320
Total RAM Bits	608256
Number of I/O	79
Number of Gates	–
Voltage – Supply	1.15 V ~ 1.25 V
Mounting Type	Surface Mount
Operating Temperature	-40°C ~ 100°C (TJ)
Package / Case	144-LQFP Exposed Pad
Supplier Device Package	144-EQFP (20×20)

The Embedded – FPGAs (Field Programmable Gate Array) EP4CE22E22I7N from ALTERA Company has 1395 LABs and 79 IOs on a Cyclone IV E FPGA Field Programmable Gate Array. The EP4CE22E22I7N is a 1.2V, 60nm, IV E Family, 22320 Cells FPGA Cyclone. Field programmable gate array FPGA, Cyclone IV E 1395 LABs, 79 IOs; EP FPGA.

Operating Conditions

When Cyclone IV devices are integrated into a system, they are evaluated based on a predetermined set of criteria. You must consider the operating criteria outlined in this chapter to maintain the most significant levels of performance and dependability for Cyclone IV devices. There are commercial, industrial, extended industrial and automotive grades of Cyclone IV devices.

The speed grades available for Cyclone IV E devices are -6 (the fastest), -7, -8, -8L, and -9L for commercial devices, -8L for industrial machines, and -7 for extended industrial and automotive devices. For commercial machines, Cyclone IV GX devices offer speed grades of -6 (the fastest), -7, -8, and -7 for industrial devices.

Absolute Maximum

For Cyclone IV devices, absolute maximum ratings specify the highest possible operating conditions. The figures were calculated using data from device experiments and theoretical models of failure and damage mechanisms. The device’s ability to function under these circumstances is not implied.

Maximum Allowed Overshoot or Undershoot Voltage

When transitions occur, input signals may overshoot the voltage in Table 1-2 and undershoot to -2.0 V for currents less than 100 mA and time intervals under 20 ns.

DC Characteristics

The specifications for I/O leakage current, on-chip termination (OCT) tolerance,  pin capacitance, and bus hold for Cyclone IV devices are listed in this section.

Supply Current

The minimum current must be drawn from the power supply pins to qualify as the device supply current requirement for power size planning. Get supply current estimations for your design using the Excel-based early power estimator (EPE), as these currents differ significantly depending on the resources employed.

Bus Hold

When the source driving it either becomes inoperative or is withdrawn, the bus-hold maintains the last correct logic state. Enable bus hold in user mode is available on each I/O pin. In configuration mode, bus hold is never disabled.

Periphery Performance

I/O performance supports several system interfaces, including the external memory interface, the PCI/PCI-X bus interface, and the high-speed I/O interface. I/Os can reach the claimed DDR2 SDRAM interface rates when employing the SSTL-18 Class I termination standard. With a ten pF load, I/Os that adhere to general-purpose I/O standards like 3.3-, 3.0-, 2.5-, 1.8-, or 1.5-LVTTL/LVCMOS may typically interface at 200 MHz.

Frequently Asked Questions

What is an FPGA?

A field-programmable gate array consists of logic blocks connected by programmable interconnect, logic blocks and reconfigurable input/output pads. Logic blocks within an FPGA may be implemented as memory or flip-flops. The logic blocks are capable of doing simple and complex computing tasks.

Both FPGAs and programmable read-only memory devices have many of the same features. A field-programmable gate array can have thousands of gates, while programmable read-only memory chips can only have a few hundred. When compared to application-specific integrated circuits, which are designed for specific tasks, field-programmable gate arrays offer the advantage of being reprogrammable.

Using a field-programmable gate array, users of computers can alter the performance of their computer’s microprocessor to meet their own needs. Integrated circuit designers use field-programmable gate arrays to create specialized circuits.

Field-programmable gate arrays have a more predictable lifetime now that their wafer capabilities have been removed. The potential for a second production run, a shorter design cycle, and a faster time to market than competing alternatives are further advantages.

Field-programmable gate arrays have several uses across various industries, including aerospace, defence, data centers, automotive, medicine, and wireless communications. It can be modified to fit new specifications and can be programmed.

How is an FPGA programmed or configured?

FPGAs must be configured for their interconnects and logic circuits to understand their role in implementing a particular application. Developers create the logic to be implemented in the FPGA using specialized software (often given by the FPGA supplier), either utilizing graphical design capture (typically used for smaller FPGAs) or a hardware description language (HDL).

The software then “compiles” the design by synthesizing it, inserting and routing the logic according to how it will work best in the target FPGA, and finally creating a bitstream that can be used to program (or configure) the FPGA. The device is then prepared to perform its specified task when the bitstream has been downloaded to the FPGA. To streamline and accelerate the development of bitstreams that run on Lattice FPGAs, Lattice provides developers with various software design tools and IP (Intellectual Property) or pre-configured design blocks.

Why use an FPGA instead of other types of ICs?

FPGAs’ main benefit is their programmable fabric, which enables designers to quickly program (and re-program) the device to carry out almost any function. The “field-programmable” in “field programmable gate array” refers to the fact that this re-programmability is still feasible even after the FPGA has been integrated into a particular application. Because the functionality of the FPGA may be developed or altered concurrently with the overall system design, this intrinsic flexibility also helps shorten the time to market for FPGA-based products.

The ability to perform parallel processing on FPGAs is another advantage. FPGAs can process data similarly where operations are carried out concurrently rather than sequentially, thanks to the” sea of gate” architecture. The FPGA can give noticeably faster performance using lower clock rates and requiring less power since this kind of processing is better suited for high-performance computing applications (like AI).

Application Specific Standard Products (ASSP), Microcontrollers (MCU), Microprocessors (MPU), Application Specific Integrated Circuits (ASIC), and other IC types run sequentially and have set functions upon deployment (i.e. one after the other). The system’s lifespan after deployment may be shortened due to the lack of programmability. Additionally, serial processing might increase power consumption because the ICs need to run at faster clock speeds to keep up with the processing load. This is a challenge for applications that need better computing performance, like Edge AI, which also needs support for low-power operation.

Conclusion

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