EPC2LC20N-W vs EPC2LC20NU Comparison
Detailed side-by-side comparison of EPC2LC20N-W by Altera and EPC2LC20NU by Altera. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | EPC2LC20N-W | EPC2LC20NU |
|---|---|---|
| Brand | Altera | Altera |
| Category | Memory ICs | Memory ICs |
| Lifecycle Status | Obsolete | Obsolete |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $6.45 | $8.20 |
| Memory Type | EPROM (UV-erasable, ISP) | β |
| Memory Size | 1.6 Mbit | β |
| Programmable Type | In System Programmable | β |
| Configuration Interface | Serial (DATA, DCLK, OE, nCS) | β |
| Internal Oscillator Frequency | 66.7 MHz | β |
| Supply Voltage (VCC) | 3.0 V to 3.6 V, 4.75 V to 5.25 V | 3.0 V to 3.6 V |
| ISP Interface | JTAG (IEEE 1149.1) | β |
| Supported FPGA Families | APEX 20K, ACEX 1K, Mercury, FLEX 10K, Stratix, Cyclone | β |
| Package | 20-LCC (J-Lead) PLCC-20 | 20-pin J-lead PLCC (9x9 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (-W suffix) | β |
| Cascade Support | Yes (with other EPC2 devices) | Yes - daisy-chain for larger bitstreams |
| Pin Count | 20 | β |
| Lead-Free / RoHS | [DATA_NEEDED: RoHS status for -W variant] | Non-LEAD / non-RoHS (NU suffix = matte tin Sn finish, not Pb-free) |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | 0C to +70C (commercial) |
| Function | β | In-System Programmable Configuration PROM |
| Memory Density | β | 1.6 Mbit |
| FPGA Interface | β | Altera serial (4-pin: nCS, DCLK, DATA, nINIT_CONF) |
| I/O Tolerance | β | 5 V tolerant inputs (per datasheet, except JTAG pins) |
| Programming Method | β | In-system via IEEE 1149.1 JTAG |
| JTAG Support | β | Yes (IEEE Std 1149.1 boundary-scan compliant) |
| Minimum DC Input | β | -0.3 V (inputs may undershoot to -2.0 V for <20 ns) |
| Maximum Overshoot | β | 7.0 V for <100 mA and <20 ns |
| Compatibility | β | Altera APEX 20K, APEX II, Mercury, FLEX 10K, ACEX 1K, Cyclone (legacy serial configuration) |