EP20K400GC655-3X vs EP20K400GC655-2X 对比
详细并排对比 EP20K400GC655-3X 出自 Altera 和 EP20K400GC655-2X 出自 Altera。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
规格对比
| 参数 | EP20K400GC655-3X | EP20K400GC655-2X |
|---|---|---|
| 品牌 | Altera | Altera |
| 分类 | FPGA & CPLD | FPGA & CPLD |
| 生命周期状态 | Obsolete | Obsolete |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $65.00 | $175.00 |
| Series | APEX-20KC | APEX-20KC® |
| Family | APEX 20K (MultiCore architecture, LUT + product-term + embedded memory) | APEX 20K |
| Manufacturer | Altera (now Intel FPGA) | — |
| Logic Elements / Cells | 16,640 | 16640 |
| System Gates | 400,000 | 400000 |
| Total RAM Bits | 212,992 bits | 212992 |
| Maximum Internal Frequency | 167 MHz (speed grade -3) | — |
| Process Technology | 0.22 µm CMOS | 0.22 µm CMOS |
| Core Supply Voltage (VCCINT) | 1.71 V to 1.89 V | — |
| I/O Supply Voltage (VCCIO) | 2.5 V (LVDS support per APEX 20KE datasheet) | — |
| 封装 / 外壳 | 655-BCPGA (CPGA655, 62.48 x 62.48 mm) | — |
| 安装类型 | Through-Hole (CPGA, ceramic) | Through-hole (CPGA) |
| 工作温度 | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: temperature grade] |
| Speed Grade | -3 (fastest) | — |
| Suffix Code | -X (extended / ceramic CPGA variant) | — |
| I/O Count | [DATA_NEEDED: max user I/O] | — |
| JTAG / Boundary Scan | IEEE 1149.1 (per APEX 20K family) | — |
| RoHS 状态 | [DATA_NEEDED: RoHS status - ceramic CPGA historically non-RoHS] | unknown |
| Number of I/O | — | 496 |
| Number of Dedicated Inputs | — | 6 |
| Number of LABs/CLBs | — | [DATA_NEEDED: number of Logic Array Blocks] |
| Number of EABs | — | [DATA_NEEDED: number of Embedded Array Blocks] |
| Maximum Operating Frequency | — | 200 MHz |
| Core Supply Voltage | — | 2.5 V |
| I/O Supply Voltage (MultiVolt) | — | 2.5 V / 3.3 V / 5 V |
| Package Type | — | 655-BCPGA (SPGA655) |
| Package Body Material | — | CERAMIC, metal-sealed cofired grid array |
| Package Dimensions | — | 47 x 47 mm |
| Peak Reflow Temperature | — | 220 °C |
| Programmability | — | In-system, JTAG (IEEE 1149.1) |