EPC4QC100 vs EPC20LC20U 对比
详细并排对比 EPC4QC100 出自 Altera 和 EPC20LC20U 出自 Intel。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 | EPC4QC100 | EPC20LC20U |
|---|---|---|
| 品牌 | Altera | Intel |
| 分类 | Memory ICs | Memory ICs |
| 生命周期状态 | Obsolete | Obsolete |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $11.40 | $8.20 |
| 功能 | In-System Programmable Configuration PROM for FPGAs | FPGA Configuration Device (Serial Configuration PROM) |
| 存储器类型 | Flash | Non-volatile configuration memory |
| 存储容量 | 4 Mb | — |
| Supply Voltage (Core and I/O) | 3.3 V | — |
| Maximum Configuration Clock | 66 MHz | — |
| 接口 | Serial / Fast Passive (Altera FPGAs) | — |
| In-System Programmability | IEEE Std. 1532 compliant | — |
| JTAG Support | Yes (boundary scan + ISP via Jam STAPL) | — |
| nINIT_CONF Pin | Yes (triggers FPGA configuration via private JTAG instruction) | — |
| 封装 | 100-pin PQFP (20x14 mm) | — |
| 工作温度 | 0C to +70C (commercial) | — |
| 安装类型 | Surface Mount | Surface Mount (PLCC socket compatible) |
| RoHS 状态 | unknown | [DATA_NEEDED: RoHS compliance status] |
| Lead-Free | unknown | — |
| Compatible FPGA Families | Stratix, Cyclone, APEX, Mercury, ACEX | Altera FLEX 6000, FLEX 8000, FLEX 10K, APEX, ACEX, early Cyclone |
| Manufacturer | — | Altera Corporation (now Intel) |
| Configuration Interface | — | Serial (DATA, DCLK, nCS, nINIT_CONF, nSTATUS, OE) |
| Operating Voltage | — | 5.0 V (typical) |
| Absolute Maximum DC Input | — | -0.3 V to 7.0 V |
| Transient Input Tolerance | — | -2.0 V undershoot to 7.0 V overshoot (<100 mA, <20 ns) |
| Package Type | — | PLCC-20 (J-lead, plastic leaded chip carrier) |
| 引脚数量 | — | 20 |
| In-System Programming | — | Supported via JTAG / Quartus programmer |
| 工作温度范围 | — | [DATA_NEEDED: industrial/commercial grade] |
| Lead-Free / Halogen-Free | — | [DATA_NEEDED: lead-free status] |
| 生命周期状态 | — | Obsolete / Last-time-buy in distribution |