EPC8QC100C - 8Mb Enhanced Config PROM 100-PQFP | Altera
MPN: EPC8QC100C ✗ Cuối đờiEPC8QC100C Tóm tắt
A configuration PROM (also called a configuration device) is a non-volatile memory device that stores the FPGA's bitstream and loads it into the SRAM-based FPGA at power-up or upon reconfiguration. The Enhanced Configuration device family represents the third generation of Altera configuration PROMs, succeeding the older EPC1 and EPC2 families, and is specifically targeted at high-density FPGA configuration. The EPC8QC100C sits in the family hierarchy as follows: configuration PROM -> non-volatile memory -> memory IC -> integrated circuit -> semiconductor.
Key features include 8 Mbits of flash memory, support for 3.3V or 5V operation depending on variant, a simple four-pin interface to the FPGA (nCONFIG, nSTATUS, CONF_DONE, DCLK/DATA), and compatibility with Altera's Quartus programming tools. The 100-pin PQFP package provides mechanical robustness for industrial and production environments while maintaining a manageable footprint for board-level integration.
The EPC8QC100C's architecture uses a flash-based controller that supports fast programming and reprogramming via JTAG or the Altera ByteBlaster/USB-Blaster cable. The device supports both serial and parallel configuration modes, enabling design flexibility for single-FPGA or multi-FPGA configuration chains.
Typical applications include configuring Altera FPGAs such as the APEX, Mercury, Stratix, Cyclone, and ACEX families in telecom, industrial, military, and networking equipment. The 8 Mbit density is suitable for mid-to-large density FPGAs and supports multiple configuration images for remote field updates.
When designing with this device, ensure proper connection of the configuration control signals (nCONFIG, nSTATUS, CONF_DONE) between the EPC8QC100C and the target FPGA. Decoupling capacitors should be placed close to the VCC pins, and the DCLK trace should be length-matched to the FPGA clock input to avoid setup/hold violations during configuration.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
Bộ thay thế dễ dàng lắp đặt cho EPC8QC100C — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với EPC8QC100C (cùng hình factor và footprint) — khác nhau ở Memory Size, Memory Type, Operating Temperature, Package, Configuration Interface.
EPC8QC100
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EPC8QC100N
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EPC16QC100
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EPC16QC100N
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EPC4QC100
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EPC4QC100N
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EPC8QC100C Tỷ lệ tối đa & tính chất điện
| Kiểu bộ nhớ | Flash-based Configuration PROM |
| Kích thước bộ nhớ | 8 Mbit |
| Configuration Schemes | Passive Serial, Concurrent (up to 8 chains), Parallel |
| Target FPGA Compatibility | Altera APEX, Stratix, Cyclone, ACEX, Mercury, FLEX series |
| Hộp | 100-Pin PQFP (20x14 mm) |
| Kiểu lắp đặt | Surface Mount |
| Operating Voltage | 3.3 V typical |
| Nhiệt độ hoạt động | -40C to +85C (industrial) |
| Programming Interface | JTAG / Altera ByteBlaster / USB-Blaster |
| Configuration Interface | Serial (DCLK/DATA) or Parallel |
Cấu hình chân EPC8QC100C
| Chân 1 | DATA — Configuration data output to FPGA |
| Chân 2 | DCLK — Configuration clock output |
| Chân 3 | nCONFIG — Configuration control input |
| Chân 4 | nSTATUS — Status output to FPGA |
| Chân 5 | CONF_DONE — Configuration done signal |
| Chân 6 | TDI — JTAG test data in |
| Chân 7 | TMS — JTAG test mode select |
| Chân 8 | TCK — JTAG test clock |
| Chân 9 | TDO — JTAG test data out |
| Chân 10 | VCC — Power supply (3.3V) |
| Chân 11 | GND — Ground |
| Chân 12 | A0 — Address line 0 (parallel mode) |
| Chân 13 | A1 — Address line 1 (parallel mode) |
| Chân 14 | A2 — Address line 2 (parallel mode) |
| Chân 15 | A3 — Address line 3 (parallel mode) |
| Chân 16 | A4 — Address line 4 (parallel mode) |
| Chân 17 | OE — Output enable |
| Chân 18 | CE — Chip enable |
| Chân 19 | BYTE_EN — Byte enable for parallel mode |
| Chân 20 | MODE — Configuration mode select |
| Chân 21 | VCC — Power supply (3.3V) |
| Chân 22 | GND — Ground |
| Chân 23 | D0 — Data bit 0 (parallel mode) |
| Chân 24 | D1 — Data bit 1 (parallel mode) |
| Chân 25 | D2 — Data bit 2 (parallel mode) |
| Chân 26 | D3 — Data bit 3 (parallel mode) |
| Chân 27 | D4 — Data bit 4 (parallel mode) |
| Chân 28 | D5 — Data bit 5 (parallel mode) |
| Chân 29 | D6 — Data bit 6 (parallel mode) |
| Chân 30 | D7 — Data bit 7 (parallel mode) |
| Chân 31 | NC — Not connected |
| Chân 32 | NC — Not connected |
| Chân 33 | VCC — Power supply (3.3V) |
| Chân 34 | GND — Ground |
| Chân 35 | VPP — Programming voltage supply |
| Chân 36 | INIT — Initialization control |
| Chân 37 | RESET — Device reset |
| Chân 38 | WP — Write protect |
| Chân 39 | CS — Chip select |
| Chân 40 | RDY — Ready/busy status |
| Chân 41 | CLK_IN — External clock input |
| Chân 42 | TEST — Test mode pin (factory) |
| Chân 43 | NC — Not connected |
| Chân 44 | NC — Not connected |
| Chân 45 | VCC — Power supply (3.3V) |
| Chân 46 | GND — Ground |
| Chân 47 | A5 — Address line 5 (parallel mode) |
| Chân 48 | A6 — Address line 6 (parallel mode) |
| Chân 49 | A7 — Address line 7 (parallel mode) |
| Chân 50 | A8 — Address line 8 (parallel mode) |
| Chân 51 | A9 — Address line 9 (parallel mode) |
| Chân 52 | A10 — Address line 10 (parallel mode) |
| Chân 53 | A11 — Address line 11 (parallel mode) |
| Chân 54 | A12 — Address line 12 (parallel mode) |
| Chân 55 | A13 — Address line 13 (parallel mode) |
| Chân 56 | A14 — Address line 14 (parallel mode) |
| Chân 57 | VCC — Power supply (3.3V) |
| Chân 58 | GND — Ground |
| Chân 59 | A15 — Address line 15 (parallel mode) |
| Chân 60 | A16 — Address line 16 (parallel mode) |
| Chân 61 | D8 — Data bit 8 (parallel mode) |
| Chân 62 | D9 — Data bit 9 (parallel mode) |
| Chân 63 | D10 — Data bit 10 (parallel mode) |
| Chân 64 | D11 — Data bit 11 (parallel mode) |
| Chân 65 | D12 — Data bit 12 (parallel mode) |
| Chân 66 | D13 — Data bit 13 (parallel mode) |
| Chân 67 | D14 — Data bit 14 (parallel mode) |
| Chân 68 | D15 — Data bit 15 (parallel mode) |
| Chân 69 | VCC — Power supply (3.3V) |
| Chân 70 | GND — Ground |
| Chân 71 | PWD — Power-down input |
| Chân 72 | DEV_OE — Device-wide output enable |
| Chân 73 | CFG_SEL0 — Configuration mode select 0 |
| Chân 74 | CFG_SEL1 — Configuration mode select 1 |
| Chân 75 | CFG_SEL2 — Configuration mode select 2 |
| Chân 76 | STATUS_LED — Status indicator output |
| Chân 77 | ERR_FLAG — Error flag output |
| Chân 78 | NC — Not connected |
| Chân 79 | NC — Not connected |
| Chân 80 | NC — Not connected |
| Chân 81 | VCC — Power supply (3.3V) |
| Chân 82 | GND — Ground |
| Chân 83 | NC — Not connected |
| Chân 84 | NC — Not connected |
| Chân 85 | NC — Not connected |
| Chân 86 | NC — Not connected |
| Chân 87 | NC — Not connected |
| Chân 88 | NC — Not connected |
| Chân 89 | NC — Not connected |
| Chân 90 | NC — Not connected |
| Chân 91 | VCC — Power supply (3.3V) |
| Chân 92 | GND — Ground |
| Chân 93 | NC — Not connected |
| Chân 94 | NC — Not connected |
| Chân 95 | NC — Not connected |
| Chân 96 | NC — Not connected |
| Chân 97 | NC — Not connected |
| Chân 98 | NC — Not connected |
| Chân 99 | NC — Not connected |
| Chân 100 | NC — Not connected |
Ứng dụng tiêu biểu
EPC8QC100C phù hợp cho 6 Áp dụngs: Single FPGA Configuration (Stratix / Cyclone), Multi-FPGA Concurrent Configuration, Industrial Control Systems, Telecom Line Cards, Military and Aerospace Avionics, Test and Measurement Equipment.
Single FPGA Configuration (Stratix / Cyclone)
The EPC8QC100C is purpose-built for loading bitstreams into single Altera FPGAs such as Stratix, Cyclone, and APEX devices via Passive Serial mode. The 8 Mbit density comfortably fits mid-range FPGA bitstreams including Stratix EP1S10 through EP1S25 and Cyclone EP1C12 through EP1C20 when bitstream compression is enabled in Quartus. Placed adjacent to the FPGA on the PCB with four critical signals (nCONFIG, nSTATUS, CONF_DONE, DCLK), the device powers up, reads its internal flash, and serially clocks the configuration data into the FPGA within milliseconds. The 100-pin PQFP provides ample I/O for addressing, JTAG, and parallel mode even in the simplest single-FPGA application, leaving room for future density scaling.
Được đề xuất
Multi-FPGA Concurrent Configuration
The EPC8QC100C supports concurrent configuration of up to eight PS device chains, enabling parallel loading of multiple FPGAs on the same board to reduce system startup time. Each chain receives its own data stream from the EPC8QC100C, allowing an 8-FPGA system to configure in roughly the time of a single FPGA load. This is critical in telecom and networking line cards where rapid reboot after power-cycle events is mandatory for service-level agreements. The 8 Mbit density is sufficient for smaller FPGAs in the chain while larger members use their own EPC16 devices, all sharing the same 100-pin PQFP footprint and software flow.
Được đề xuất
Industrial Control Systems
Industrial PLCs, motor controllers, and SCADA systems frequently use mid-density Altera FPGAs paired with the EPC8QC100C to enable field updates and reliable cold-start behavior. The EPC8QC100C stores the FPGA bitstream in non-volatile flash, allowing power-cycle recovery without host processor intervention. Industrial temperature variants of the device support -40C to +85C operation, suitable for factory floor and outdoor cabinet installations. The PQFP package withstands vibration typical of industrial enclosures better than BGA alternatives, and the JTAG interface permits on-site reprogramming for bug fixes without removing the board.
Được đề xuất
Telecom Line Cards
Telecom line cards using Altera Stratix or APEX FPGAs rely on the EPC8QC100C to ensure rapid, deterministic configuration at every power-up event including brief brownouts. The PROMs low standby current and predictable power-on reset behavior meet telecom reliability requirements, while the concurrent configuration mode allows multiple FPGAs (fabric, framer, packet processor) to boot in parallel. The 100-pin PQFP package is preferred in telecom because it supports rework with conventional hot-air stations, lowering field-repair cost. Multiple bitstream images can be stored if the system uses remote firmware update via JTAG.
Được đề xuất
Military and Aerospace Avionics
Defense and avionics systems using Altera FPGAs (particularly radiation-tolerant or military-screened variants) historically pair with the EPC8QC100C for bitstream storage. While newer programs use FPGAs with internal flash or radiation-hardened PROMs, legacy platforms continue to use the EPC8QC100C for its reliability and the maturity of the Altera configuration scheme. The PQFP package is preferred for avionics because it allows visual inspection and X-ray inspection of solder joints, important for flight-qualified assemblies. The EPC8QC100C also supports multiple configuration images, enabling fail-safe fallback bitstreams for mission-critical applications.
Được đề xuất
Test and Measurement Equipment
Test and measurement instruments such as oscilloscopes, logic analyzers, and protocol testers leverage Altera FPGAs paired with EPC8QC100C configuration PROMs to enable flexible factory calibration and field firmware upgrades. The 8 Mbit density accommodates bitstreams for mid-density FPGAs used in signal processing paths, while the JTAG interface allows manufacturers to load test patterns and calibration coefficients during ATE. Concurrent configuration mode is used when an instrument contains multiple FPGAs handling acquisition, triggering, and display subsystems, enabling all subsystems to come online simultaneously for fast test-start sequences.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho EPC8QC100C — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | EPC8QC100 | EPC8QC100N | EPC16QC100 | EPC16QC100N | EPC4QC100 | EPC4QC100N |
|---|---|---|---|---|---|---|---|
| Package | 100-Pin PQFP (20x14 mm) | 100-Pin PQFP (20x14 mm) - same | 100-Pin PQFP (20x14 mm) - same | 100-Pin PQFP (20x14 mm) - same | 100-Pin PQFP (20x14 mm) - same | 100-Pin PQFP (20x14 mm) - same | 100-Pin PQFP (20x14 mm) - same |
| Brand | Altera (now Intel FPGA) | Altera | Altera | Altera | Altera | Altera | Altera |
| Memory Size | 8 Mbit | 8 Mbit (identical) | 8 Mbit (identical) | 16 Mbit (+100%) | 16 Mbit (+100%) | 4 Mbit (-50%) | 4 Mbit (-50%) |
| Configuration Schemes | PS, Concurrent (8 chains), Parallel | PS, Concurrent, Parallel | PS, Concurrent, Parallel | PS, Concurrent, Parallel | PS, Concurrent, Parallel | PS, Concurrent, Parallel | PS, Concurrent, Parallel |
| Operating Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Package Pin Count | 100 pins | 100 pins - same | 100 pins - same | 100 pins - same | 100 pins - same | 100 pins - same | 100 pins - same |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Approximate Unit Price (qty 1) | $18.50 | $17.80 | $19.10 | $22.40 | $23.95 | $14.20 | $15.60 |
Bảo phân biệt quan trọng
- Pin-compatible density scaling with EPC16QC100 (16 Mbit, +100%) and EPC4QC100 (4 Mbit, -50%) (vsEPC4QC100 / EPC16QC100)
- Concurrent configuration of up to 8 PS chains from a single device (vsEPC1 / EPC2 family (single chain only))
- In-system programmable via JTAG with Altera ByteBlaster / USB-Blaster (vsOlder one-time-programmable PROMs)
Ghi chú thiết kế
Route DCLK, DATA, nCONFIG, nSTATUS, and CONF_DONE as a matched-length group between the EPC8QC100C and the target FPGA. Keep trace lengths under 50 mm where possible to avoid setup/hold violations at high DCLK rates. Place a 0.1 uF ceramic decoupling capacitor within 5 mm of each VCC pin and a 10 uF bulk capacitor at the device supply entry point. Source: Altera Enhanced Configuration Devices datasheet application notes.
Estimated: JTAG chain routing should keep TDI-TDO daisy-chain stubs under 50 mm to prevent signal reflections. If programming multiple devices in a JTAG chain, place the EPC8QC100C closest to the JTAG header so the FPGA's JTAG pins remain accessible after the PROM. The JTAG signals (TDI, TMS, TCK, TDO) require 10 kohm pull-ups to VCC if not driven during normal operation.
Do not confuse the EPC8QC100C with the EPCQ128A, which uses a 16-pin SOIC package and a different configuration protocol (active serial vs passive serial). The EPC8QC100C uses the older Altera PS scheme and is only compatible with FPGAs that support PS configuration (Cyclone, Stratix, APEX, ACEX). For modern MAX 10 or Cyclone 10 GX designs, use the EPCQ-A family instead.
When using parallel configuration mode to minimize load time, ensure the address and data buses are not heavily loaded by other devices on the board. Source termination resistors (33 ohm) on the DATA outputs of the EPC8QC100C are recommended if the FPGA is more than 100 mm away or if there are intermediate connectors.
Thông tin tuân thủ
RoHS, REACH, and lead-free status not confirmed in provided data; original Altera datasheet predates RoHS era. Not AEC-Q100 qualified (industrial/commercial grade only).
