| PartNumber | EP3C5E144C7N | EP3C5E144C7 | EP3C5E144C8 |
| Description | FPGA - Field Programmable Gate Array FPGA - Cyclone III 321 LABs 94 IOs | FPGA - Field Programmable Gate Array FPGA - Cyclone III 321 LABs 94 IOs | FPGA - Field Programmable Gate Array FPGA - Cyclone III 321 LABs 94 IOs |
| Manufacturer | Intel | Intel | Intel |
| Product Category | FPGA - Field Programmable Gate Array | FPGA - Field Programmable Gate Array | FPGA - Field Programmable Gate Array |
| RoHS | Y | N | N |
| Product | Cyclone III | Cyclone III | Cyclone III |
| Number of Logic Elements | 5136 | 5136 | 5136 |
| Number of Logic Array Blocks LABs | 321 | 321 | 321 |
| Number of I/Os | 94 I/O | 94 I/O | 94 I/O |
| Operating Supply Voltage | 1.15 V to 1.25 V | 1.15 V to 1.25 V | 1.15 V to 1.25 V |
| Minimum Operating Temperature | 0 C | 0 C | 0 C |
| Maximum Operating Temperature | + 70 C | + 70 C | + 70 C |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | QFP-144 | QFP-144 | QFP-144 |
| Packaging | Tray | Tray | Tray |
| Series | Cyclone III EP3C5 | Cyclone III EP3C5 | Cyclone III EP3C5 |
| Brand | Intel / Altera | Intel / Altera | Intel / Altera |
| Maximum Operating Frequency | 315 MHz | 315 MHz | 315 MHz |
| Moisture Sensitive | Yes | Yes | Yes |
| Product Type | FPGA - Field Programmable Gate Array | FPGA - Field Programmable Gate Array | FPGA - Field Programmable Gate Array |
| Factory Pack Quantity | 60 | 60 | 60 |
| Subcategory | Programmable Logic ICs | Programmable Logic ICs | Programmable Logic ICs |
| Total Memory | 423936 bit | 423936 bit | 423936 bit |
| Tradename | Cyclone III | Cyclone III | Cyclone III |