EP20K400GC655-1X vs EP20K400GC655-3X Comparison
Detailed side-by-side comparison of EP20K400GC655-1X by Altera and EP20K400GC655-3X by Altera. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | EP20K400GC655-1X | EP20K400GC655-3X |
|---|---|---|
| Brand | Altera | Altera |
| Category | FPGA & CPLD | FPGA & CPLD |
| Lifecycle Status | Obsolete | Obsolete |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $193.04 | $65.00 |
| Product Family | Altera APEX 20K | β |
| Device Type | Field Programmable Gate Array (FPGA) | β |
| Technology | CMOS | β |
| Gate Count | 400K gates | β |
| Logic Elements | 16640 cells | β |
| Maximum System Frequency | 250 MHz | β |
| Propagation Delay | 2.5 ns | β |
| Core Supply Voltage | 2.5 V | β |
| I/O Supply Voltage | 2.5 V / 3.3 V | β |
| Number of User I/O | 496 | β |
| Number of Dedicated Inputs | 6 | β |
| Number of Terminals | 655 | β |
| Package Type | CPGA-655 (Ceramic Pin Grid Array) | β |
| Package Body Material | Ceramic | β |
| Process Technology | 0.22 um | 0.22 Β΅m CMOS |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] | β |
| Embedded RAM Bits | [DATA_NEEDED: embedded RAM bits] | β |
| RoHS Status | unknown | [DATA_NEEDED: RoHS status - ceramic CPGA historically non-RoHS] |
| Series | β | APEX-20KC |
| Family | β | APEX 20K (MultiCore architecture, LUT + product-term + embedded memory) |
| Manufacturer | β | Altera (now Intel FPGA) |
| Logic Elements / Cells | β | 16,640 |
| System Gates | β | 400,000 |
| Total RAM Bits | β | 212,992 bits |
| Maximum Internal Frequency | β | 167 MHz (speed grade -3) |
| Core Supply Voltage (VCCINT) | β | 1.71 V to 1.89 V |
| I/O Supply Voltage (VCCIO) | β | 2.5 V (LVDS support per APEX 20KE datasheet) |
| Package / Case | β | 655-BCPGA (CPGA655, 62.48 x 62.48 mm) |
| Mounting Type | β | Through-Hole (CPGA, ceramic) |
| Operating Temperature | β | [DATA_NEEDED: operating temperature range] |
| Speed Grade | β | -3 (fastest) |
| Suffix Code | β | -X (extended / ceramic CPGA variant) |
| I/O Count | β | [DATA_NEEDED: max user I/O] |
| JTAG / Boundary Scan | β | IEEE 1149.1 (per APEX 20K family) |