EPC1PCB vs EPC1LI20 对比
详细并排对比 EPC1PCB 出自 Intel 和 EPC1LI20 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 | EPC1PCB | EPC1LI20 |
|---|---|---|
| 品牌 | Intel | Altera |
| 分类 | FPGA & CPLD | Memory ICs |
| 生命周期状态 | 不推荐新设计 | Obsolete |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $9.60 | $8.50 |
| Product Type | Enhanced Configuration Device for SRAM-based FPGAs | — |
| Memory Density | 1 Mbit | — |
| Program Memory Type | Flash (non-volatile) | — |
| Configuration Modes Supported | FPP (Fast Passive Parallel), PS (Passive Serial) | — |
| Supply Voltage VCC | 3.3 V | — |
| I/O Voltage Tolerance | 5.0 V tolerant | — |
| Supported FPGA Families | APEX, FLEX, ACEX, Cyclone, Stratix | — |
| 接口 | Altera configuration bus (DATA, DCLK, nCONFIG, nSTATUS, CONF_DONE) | — |
| Multi-Device Daisy Chain | Yes (nCASC, nCS pins) | — |
| Programming Interface | JTAG (IEEE 1149.1 boundary scan) | — |
| In-System Programmable | Yes | — |
| Program/Erase Endurance | [DATA_NEEDED: program/erase cycles] | — |
| Data Retention | [DATA_NEEDED: data retention years] | — |
| 封装 | PLCC-20 (Plastic Leaded Chip Carrier) | 20-pin PLCC (J-lead, 9x9 mm) |
| 安装类型 | Surface Mount (socket-compatible) | Surface Mount (PLCC socket compatible) |
| RoHS 状态 | [DATA_NEEDED: lead-free/RoHS status] | [DATA_NEEDED: RoHS status - original Altera part may be non-RoHS SnPb finish] |
| 存储器类型 | — | OTP Configuration PROM (EPROM-based) |
| 存储容量 | — | 1 Mb (1,048,576 bits) |
| 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) |
| Programming Voltage (VPP) | — | 12.75 V (typical, factory-programmed via JTAG) |
| 引脚数量 | — | 20 |
| 工作温度 | — | [DATA_NEEDED: operating temperature range] |
| 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 |
| MSL 等级 | — | 1 (per Partstack datasheet record) |