EPC1LI20 vs EPC21C20U مقایسه
مقایسه دقیق کنار به کنار EPC1LI20 توسط Altera و EPC21C20U توسط Intel. مشخصات کلیدی، پارامترهای الکتریکی، بسته‌بندی، وضعیت چرخه عمر، قیمت‌گذاری و موجودی را مقایسه کنید تا بهترین قطعه را برای نیازهای طراحی خود تعیین کنید.
مقایسه مشخصات
| پارامتر | EPC1LI20 | EPC21C20U |
|---|---|---|
| برند | Altera | Intel |
| دسته‌بندی | Memory ICs | Memory ICs |
| وضعیت چرخه عمر | Obsolete | فعال |
| نوع حافظه | OTP Configuration PROM (EPROM-based) | — |
| اندازه حافظه | 1 Mb (1,048,576 bits) | 20 Mbit (2.5 Mbyte) |
| Configuration Interface | Altera Passive Serial / Altera Active Serial / JTAG (IEEE 1149.1) | — |
| Maximum Configuration Clock | 8 MHz | — |
| Supply Voltage (VCC) | 5.0 V (4.75 V to 5.25 V) | 3.0 V to 3.6 V (3.3 V typical) |
| Programming Voltage (VPP) | 12.75 V (typical, factory-programmed via JTAG) | — |
| بسته‌بندی | 20-pin PLCC (J-lead, 9x9 mm) | 20-pin UBGA (Ultra FineLine BGA) - also called 20-pin FBGA |
| تعداد پایه | 20 | — |
| دمای کاری | [DATA_NEEDED: operating temperature range] | -40 C to +85 C (industrial) |
| Cascading Support | Yes (nCASC pin for multi-device daisy chain) | — |
| Endurance | OTP (one-time programmable, 1000 erase-equivalent UV cycles for pre-program erase) | — |
| JTAG Programming | Yes (in-system via IEEE 1149.1) | — |
| Compatible FPGA Families | FLEX 8000, FLEX 10K, ACEX 1K, APEX 20K, Mercury | — |
| نوع نصب | Surface Mount (PLCC socket compatible) | Surface Mount (BGA) |
| سطح MSL | 1 (per Partstack datasheet record) | — |
| وضعیت RoHS | [DATA_NEEDED: RoHS status - original Altera part may be non-RoHS SnPb finish] | Compliant (per Intel/Altera product page) |
| Manufacturer | — | Intel / Altera |
| Product Type | — | Configuration Device (Boot Flash) |
| رابط | — | Altera/Intel Passive Serial (PS) and Active Serial (AS), JTAG (IEEE 1149.1) |
| In-System Programmability | — | Yes (via JTAG) |
| Bitstream Compression Support | — | Yes |
| Cascade (Multi-Device) Support | — | Yes (nCASC daisy-chain) |
| Supported FPGA Families | — | APEX II, APEX 20KE, APEX 20KC, Mercury, Stratix, Cyclone, ACEX 1K, FLEX 10KE |
| Lead-Free | — | Yes |
| Configuration Mode | — | Passive Serial (PS) / Active Serial (AS) via FPGA controller |