EPC1LI20 vs EPC21C20U Comparison
Detailed side-by-side comparison of EPC1LI20 by Altera and EPC21C20U 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 | EPC1LI20 | EPC21C20U |
|---|---|---|
| Brand | Altera | Intel |
| Category | Memory ICs | Memory ICs |
| Lifecycle Status | Obsolete | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $8.50 | $9.85 |
| Memory Type | OTP Configuration PROM (EPROM-based) | β |
| Memory Size | 1 Mb (1,048,576 bits) | 20 Mbit (2.5 Mbyte) |
| Configuration Interface | Altera Passive Serial / Altera Active Serial / JTAG (IEEE 1149.1) | β |
| Maximum Configuration Clock | 8 MHz | β |
| Supply Voltage (VCC) | 5.0 V (4.75 V to 5.25 V) | 3.0 V to 3.6 V (3.3 V typical) |
| Programming Voltage (VPP) | 12.75 V (typical, factory-programmed via JTAG) | β |
| Package | 20-pin PLCC (J-lead, 9x9 mm) | 20-pin UBGA (Ultra FineLine BGA) - also called 20-pin FBGA |
| Pin Count | 20 | β |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | -40 C to +85 C (industrial) |
| Cascading Support | Yes (nCASC pin for multi-device daisy chain) | β |
| Endurance | OTP (one-time programmable, 1000 erase-equivalent UV cycles for pre-program erase) | β |
| JTAG Programming | Yes (in-system via IEEE 1149.1) | β |
| Compatible FPGA Families | FLEX 8000, FLEX 10K, ACEX 1K, APEX 20K, Mercury | β |
| Mounting Type | Surface Mount (PLCC socket compatible) | Surface Mount (BGA) |
| MSL Level | 1 (per Partstack datasheet record) | β |
| RoHS Status | [DATA_NEEDED: RoHS status - original Altera part may be non-RoHS SnPb finish] | Compliant (per Intel/Altera product page) |
| Manufacturer | β | Intel / Altera |
| Product Type | β | Configuration Device (Boot Flash) |
| Interface | β | Altera/Intel Passive Serial (PS) and Active Serial (AS), JTAG (IEEE 1149.1) |
| In-System Programmability | β | Yes (via JTAG) |
| Bitstream Compression Support | β | Yes |
| Cascade (Multi-Device) Support | β | Yes (nCASC daisy-chain) |
| Supported FPGA Families | β | APEX II, APEX 20KE, APEX 20KC, Mercury, Stratix, Cyclone, ACEX 1K, FLEX 10KE |
| Lead-Free | β | Yes |
| Configuration Mode | β | Passive Serial (PS) / Active Serial (AS) via FPGA controller |