EPC4QC100 vs EPC20LC20U Comparison
Detailed side-by-side comparison of EPC4QC100 by Altera and EPC20LC20U by Intel. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | EPC4QC100 | EPC20LC20U |
|---|---|---|
| Brand | Altera | Intel |
| Category | Memory ICs | Memory ICs |
| Lifecycle Status | Obsolete | Obsolete |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $11.40 | $8.20 |
| Function | In-System Programmable Configuration PROM for FPGAs | FPGA Configuration Device (Serial Configuration PROM) |
| Memory Type | Flash | Non-volatile configuration memory |
| Memory Size | 4 Mb | β |
| Supply Voltage (Core and I/O) | 3.3 V | β |
| Maximum Configuration Clock | 66 MHz | β |
| Interface | Serial / Fast Passive (Altera FPGAs) | β |
| In-System Programmability | IEEE Std. 1532 compliant | β |
| JTAG Support | Yes (boundary scan + ISP via Jam STAPL) | β |
| nINIT_CONF Pin | Yes (triggers FPGA configuration via private JTAG instruction) | β |
| Package | 100-pin PQFP (20x14 mm) | β |
| Operating Temperature | 0C to +70C (commercial) | β |
| Mounting Type | Surface Mount | Surface Mount (PLCC socket compatible) |
| RoHS Status | unknown | [DATA_NEEDED: RoHS compliance status] |
| Lead-Free | unknown | β |
| Compatible FPGA Families | Stratix, Cyclone, APEX, Mercury, ACEX | Altera FLEX 6000, FLEX 8000, FLEX 10K, APEX, ACEX, early Cyclone |
| Manufacturer | β | Altera Corporation (now Intel) |
| Configuration Interface | β | Serial (DATA, DCLK, nCS, nINIT_CONF, nSTATUS, OE) |
| Operating Voltage | β | 5.0 V (typical) |
| Absolute Maximum DC Input | β | -0.3 V to 7.0 V |
| Transient Input Tolerance | β | -2.0 V undershoot to 7.0 V overshoot (<100 mA, <20 ns) |
| Package Type | β | PLCC-20 (J-lead, plastic leaded chip carrier) |
| Pin Count | β | 20 |
| In-System Programming | β | Supported via JTAG / Quartus programmer |
| Operating Temperature Range | β | [DATA_NEEDED: industrial/commercial grade] |
| Lead-Free / Halogen-Free | β | [DATA_NEEDED: lead-free status] |
| Lifecycle Status | β | Obsolete / Last-time-buy in distribution |