EPC20LC20U vs EPC4QC100 对比
详细并排对比 EPC20LC20U 出自 Intel 和 EPC4QC100 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 | EPC20LC20U | EPC4QC100 |
|---|---|---|
| 品牌 | Intel | Altera |
| 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） | $8.20 | $11.40 |
| Manufacturer | Altera Corporation (now Intel) | — |
| 功能 | FPGA Configuration Device (Serial Configuration PROM) | In-System Programmable Configuration PROM for FPGAs |
| 存储器类型 | Non-volatile configuration memory | Flash |
| 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 | — |
| 安装类型 | Surface Mount (PLCC socket compatible) | Surface Mount |
| Compatible FPGA Families | Altera FLEX 6000, FLEX 8000, FLEX 10K, APEX, ACEX, early Cyclone | Stratix, Cyclone, APEX, Mercury, ACEX |
| In-System Programming | Supported via JTAG / Quartus programmer | — |
| RoHS 状态 | [DATA_NEEDED: RoHS compliance status] | unknown |
| 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 | — |
| 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) |
| Lead-Free | — | unknown |