EPC2LC20V - Altera 1.6Mb Flash Config Device, PLCC-20 | Intel
料号： EPC2LC20V ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $18.5 | $18.50 |
| 10 | $16.2 | $162.00 |
| 100 | $13.85 | $1,385.00 |
| 500 | $11.4 | $5,700.00 |
| 1,000 | $9.95 | $9,950.00 |
EPC2LC20V 概述
A Configuration Device is a non-volatile memory that stores the FPGA's configuration bitstream and serially or byte-parallel delivers it to the FPGA's DATA, DCLK, and nCONFIG pins at power-up. In the broader taxonomy, an FPGA configuration PROM sits below non-volatile memory > Flash memory > PROM > configuration memory within the semiconductor hierarchy. It bridges the volatile SRAM-LUT architecture (which loses configuration when power is removed) with a permanent, field-updatable boot source - eliminating the need for external boot PROMs from third-party vendors and enabling remote firmware revision via JTAG.
Key features include 1.6 Mb of usable configuration storage (more than 4x the original EPC1), a flexible serial or 8-bit parallel configuration interface, an on-chip oscillator to generate DCLK, JTAG boundary-scan support (IEEE 1149.1), and in-system programmability through JTAG without external programmer hardware. The PLCC-20 footprint provides rugged mechanical compliance for industrial through-hole and socketed assemblies, and the device is compatible with the older EPC1 / EPC1064 / EPC1441 pinouts on a 1:1 basis within the same package family.
Typical applications include standalone boot of Altera Cyclone, Cyclone II, Cyclone III, Stratix, Stratix II, Stratix III, ACEX 1K, APEX 20K, APEX II, and older FLEX 10K / FLEX 8000 devices in industrial controllers, telecommunications line cards, test & measurement chassis, and military/aerospace FPGA systems. Because the EPC2 supports both serial and 8-bit byte-wide configuration, a single PROM can serve either low-pin-count or high-throughput FPGA boot scenarios.
When designing with this device, verify that the FPGA's configuration mode (AS, PS, or JTAG-only) matches the EPC2's supported modes, since the EPC2 is intended for PS (Passive Serial) and JTAG programming - it does not support Altera Active Serial (AS) mode, which uses serial Flash such as EPCS / EPCQ devices. Add a 0.1 uF decoupling capacitor near the VCC pin and ensure nINIT_CONF and nSTATUS are correctly tied to the FPGA's nCONFIG / nSTATUS pins.
This page synthesizes distributor pricing, drop-in compatible configuration-memory alternatives, JTAG programming notes, and PLCC-20 package cross-references not found in the original Altera datasheet - giving a single source for engineers re-spinning legacy Altera FPGA designs.
直接替换替代料： EPC2LC20V ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： EPC2LC20V （相同外形与封装尺寸） ——差异在于 Memory Type, Package, Configuration Interface, Supported FPGA Families, Memory Size.
快速对比工具——选择替代料号进行并排对比：
EPC2LC20N
✅ 直接替换✓ 有现货
$7.4 / 个
查看数据手册 →EPC2LC20
✅ 直接替换✓ 有现货
$7.2 / 个
查看数据手册 →EPC2LC20NA
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$5.5 / 个
查看数据手册 →EPC1LC20
✅ 直接替换✓ 有现货
$7.95 / 个
查看数据手册 →EPC1LC20N
✅ 直接替换✓ 有现货
$8.4 / 个
查看数据手册 →EPC1441LC20
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
联系询价
查看数据手册 →EPC2LC20V 最大额定值与电气特性
| Product Type | Flash Configuration Device (FPGA configuration PROM) |
| 存储容量 | 1.6 Mb (1,678,336 bits) |
| Configuration Interface | Serial (Passive Serial) or 8-bit parallel |
| Maximum Configuration Clock | 10 MHz |
| Operating Voltage (VCC) | 3.0 V to 3.6 V (3.3 V typ.) |
| Program/Erase Cycles | 100,000 cycles minimum |
| Data Retention | 20 years minimum |
| JTAG Support | IEEE 1149.1 Boundary Scan, in-system programmable |
| 封装 | PLCC-20 (JEDEC MO-047) |
| 工作温度 | -40C to +85C (industrial) |
| Storage Temperature | -65C to +150C |
| Lead-Free / RoHS | Lead-free (V suffix), RoHS compliant |
| Compatible FPGAs | Cyclone, Stratix, APEX 20K, ACEX 1K, FLEX 10K, FLEX 8000 |
| On-chip Oscillator | Yes (generates DCLK) |
| Configuration Time (typical) | Depends on FPGA bitstream length and clock mode |
EPC2LC20V 引脚配置
| 引脚 1 | DATA[0] — Serial configuration data output (bit 0 of byte-wide mode) |
| 引脚 2 | DATA[1] — Configuration data output bit 1 (byte-wide mode) |
| 引脚 3 | DATA[2] — Configuration data output bit 2 (byte-wide mode) |
| 引脚 4 | nCS — Chip select (active low) for byte-wide mode |
| 引脚 5 | nSTATUS — Open-drain status flag to FPGA nSTATUS |
| 引脚 6 | OE — Output enable (active low) for serial data |
| 引脚 7 | nCONFIG — Configuration initiate / reset from FPGA |
| 引脚 8 | DCLK — Configuration clock to FPGA (generated internally by EPC2) |
| 引脚 9 | VCC — +3.3 V power supply |
| 引脚 10 | GND — Ground |
| 引脚 11 | TDI — JTAG Test Data In (IEEE 1149.1) |
| 引脚 12 | TMS — JTAG Test Mode Select |
| 引脚 13 | TCK — JTAG Test Clock |
| 引脚 14 | TDO — JTAG Test Data Out |
| 引脚 15 | nINIT_CONF — Initiate configuration (active low) to FPGA nCONFIG |
| 引脚 16 | nCE — Chip enable cascade (active low) for multi-PROM daisy-chain |
| 引脚 17 | DATA[3] — Configuration data output bit 3 (byte-wide mode) |
| 引脚 18 | DATA[4] — Configuration data output bit 4 (byte-wide mode) |
| 引脚 19 | DATA[5] — Configuration data output bit 5 (byte-wide mode) |
| 引脚 20 | DATA[6]/DATA[7] — Configuration data output bits 6 and 7 (byte-wide mode, shared pin) |
典型应用
EPC2LC20V 适用于 6 应用s: Cyclone FPGA Boot PROM, Stratix Telecom Line Card, APEX 20K Industrial Controller, Test & Measurement Chassis, Military / Aerospace FPGA System, FPGA Development Board Boot Loader.
Cyclone FPGA Boot PROM
The EPC2LC20V's 1.6 Mb of Flash storage comfortably covers the configuration bitstream of Altera Cyclone, Cyclone II, and Cyclone III devices in Passive Serial mode. With 10 MHz DCLK the EPC2 generates the entire bitstream in under 200 ms for a typical Cyclone II EP2C35 design. The PLCC-20 socketed package allows field replacement without desoldering, and JTAG in-system programming lets a technician rewrite the bitstream at any point in the product lifecycle - ideal for industrial controller firmware revisions.
推荐
Stratix Telecom Line Card
Altera Stratix and Stratix II FPGAs in telecom line cards require reliable non-volatile boot storage that survives 20+ years in service. The EPC2LC20V delivers exactly that: 1.6 Mb Flash with 20-year data retention, industrial -40C to +85C operation, and JTAG in-system programming per IEEE 1149.1 so firmware updates can be pushed to deployed line cards remotely. The 8-bit parallel configuration mode available on EPC2 cuts Stratix boot time roughly 8x versus serial boot, helping meet fast-restart requirements after power cycling.
推荐
APEX 20K Industrial Controller
Legacy Altera APEX 20K and APEX II designs in long-life industrial controllers still rely on EPC1/EPC2 family PROMs for boot. The EPC2LC20V offers 4x the storage of the original EPC1LC20 (1.6 Mb vs 0.4 Mb), enabling APEX 20K200 / APEX 20K400 bitstreams without squeezing. The PLCC-20 footprint is pin-compatible with EPC1 sockets, simplifying inventory and replacement in legacy systems. 100,000 program/erase cycles support frequent firmware revision during the controller's 15-20 year service life.
推荐
Test & Measurement Chassis
Modular T&M chassis typically use multiple Altera FPGAs - one per measurement slot - each requiring its own configuration PROM. The EPC2LC20V in PLCC-20 provides the rugged mechanical form factor needed for socketed field service, and the JTAG chain lets the chassis controller reconfigure all FPGAs simultaneously. With 1.6 Mb Flash per device, a single EPC2LC20V covers the bitstream of mid-complexity Altera ACEX 1K, FLEX 10K, or smaller Cyclone II devices commonly used in instrument digitizer and signal-conditioning cards.
推荐
Military / Aerospace FPGA System
Ruggedized military and aerospace FPGA platforms depend on PLCC-20 socketed PROMs for ease of factory programming and field updates. The EPC2LC20V's industrial -40C to +85C operating range meets most military ground and avionics thermal profiles, and its lead-free PLCC-20 package satisfies RoHS requirements for new programs. The on-chip DCLK oscillator removes the need for an external configuration clock source - valuable in low-BOM aerospace designs where every additional component is a reliability concern.
推荐
FPGA Development Board Boot Loader
Altera/Intel FPGA development kits such as the Cyclone II Nios II and APEX 20K reference boards historically included an EPC2LC20V socket on the board for evaluation use. The PLCC-20 ZIF socket lets students and engineers swap bitstreams without soldering, and the JTAG interface lets the Altera USB-Blaster or ByteBlaster program the PROM directly. With 1.6 Mb Flash, the EPC2LC20V can store multiple demo projects including Nios II firmware + soft-core CPU bitstreams for the Cyclone II family.
推荐
推荐产品汇总
工程参考数据： EPC2LC20V ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | EPC2LC20N | EPC2LC20 | EPC2LC20NA | EPC1LC20 | EPC1441LC20 |
|---|---|---|---|---|---|---|
| Brand | Intel (formerly Altera) | Intel (formerly Altera) | Intel (formerly Altera) | Intel (formerly Altera) | Intel (formerly Altera) | Intel (formerly Altera) |
| Package | PLCC-20 | PLCC-20 - same | PLCC-20 - same | PLCC-20 - same | PLCC-20 - same | PLCC-20 - same |
| Memory Size | 1.6 Mb Flash | 1.6 Mb Flash | 1.6 Mb Flash | 1.6 Mb Flash | 0.4 Mb Flash (-75%) | 0.4 Mb OTP EPROM (-75%) |
| Technology | Flash (100k cycles) | Flash (100k cycles) | Flash (100k cycles) | Flash (100k cycles) | Flash (100k cycles) | OTP EPROM (one-time) |
| JTAG (IEEE 1149.1) | Yes (in-system programmable) | Yes (in-system programmable) | Yes (in-system programmable) | Yes (in-system programmable) | Yes (in-system programmable) | No (OTP only) |
| Configuration Modes | Passive Serial + 8-bit parallel | Passive Serial + 8-bit parallel | Passive Serial + 8-bit parallel | Passive Serial + 8-bit parallel | Passive Serial only | Passive Serial only |
| Max DCLK Frequency | 10 MHz | 10 MHz | 10 MHz | 10 MHz | 10 MHz | 10 MHz |
| Lead-Free / RoHS | Yes (V suffix, lead-free) | No (Sn/Pb finish) | No (Sn/Pb finish) | No (Sn/Pb finish) | No (Sn/Pb finish) | No (Sn/Pb finish) |
关键差异点
- Lead-free / RoHS compliant PLCC-20 package （对比 EPC2LC20N)
- 4x the configuration memory of EPC1 family （对比 EPC1LC20)
- 8-bit parallel configuration mode support （对比 EPC1441LC20)
设计说明
The EPC2LC20V operates from a single 3.3 V supply (3.0 V to 3.6 V) per the Altera datasheet. Place a 0.1 uF decoupling capacitor as close as possible to the VCC pin (pin 9) and a 10 uF bulk capacitor near the PLCC-20 socket to suppress the in-rush transient when the EPC2 begins driving DCLK into the FPGA. During JTAG programming, peak current can briefly reach ~30 mA; the bulk capacitor prevents the VCC rail from sagging.
Route DCLK and DATA[0] as a matched-length pair to the FPGA's DCLK and DATA0 inputs, keeping trace length under 50 mm to avoid ringing. For 8-bit parallel configuration, route DATA[0..7] as a byte-wide bus with matched lengths, and tie the EPC2 nCS pin to the FPGA's nCONFIG so configuration begins only after the FPGA is ready. Keep JTAG pins (TDI/TMS/TCK/TDO) in a dedicated daisy-chain segment so the EPC2 and target FPGA share the chain without stubs.
Do NOT connect the EPC2LC20V to the EPCS / EPCQ Active Serial (AS) interface of newer Altera/Intel FPGAs (Cyclone IV onward) - the EPC2 only supports Passive Serial (PS) and JTAG modes. Attempting AS-mode operation will leave the FPGA unconfigured. Also verify that the FPGA's bitstream fits within 1.6 Mb - if it does not, cascade a second EPC2 device using the nCE pin to expand the effective storage.
合规信息
Lead-free (V suffix) per Altera package designation. AEC-Q100 qualification not stated by manufacturer - not suitable for automotive safety-critical applications without further qualification. RoHS and REACH compliance inferred from lead-free package marking.
