EPC8Q100C - 8Mb Enhanced Configuration Device | Altera/Intel
N.º da peça: EPC8Q100C ⚠ Última compra| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $18.4 | $18,40 |
| 10 | $16.2 | $162,00 |
| 100 | $13.95 | $1.395,00 |
| 500 | $11.8 | $5.900,00 |
| 1.000 | $9.65 | $9.650,00 |
EPC8Q100C Visão geral
A configuration device is a specialized serial-interface memory designed to load an FPGA's SRAM configuration memory through a standardized slave serial or parallel scheme at power-on reset. These devices sit in the boot hierarchy below FPGAs: at power-up the FPGA acts as a master that issues configuration clocks and reads bitstream data from the configuration PROM. Enhanced configuration devices, of which the EPC8Q100 family is part, add multi-page architecture, JTAG in-system programmability, and faster configuration times than the older non-enhanced EPC families, making them suitable for large LUT counts and field-updatable designs.
Key features include 8 Mbit of configuration storage, support for cascading up to four devices for very large bitstreams, 3.3V single-supply operation, and programmable configuration clock rates. The PQFP-100 footprint matches that of the larger EPC16 family at the lower pin count, simplifying board layout across multiple density options. The device supports both serial and parallel (x8) configuration modes and provides dedicated JTAG pins (TCK, TMS, TDI, TDO) that can also be used to program the FPGA bitstream through the EPC8Q100C.
Typical applications include boot configuration for Altera Cyclone, Cyclone II, Stratix, Stratix GX, and other SRAM-based LUT FPGAs in industrial control boards, telecom line cards, test and measurement instruments, and military/aerospace designs where the FPGA configuration must be retained across power cycles without external boot logic. Designers often pair the EPC8Q100C with a 3.3V reset supervisor and a JTAG header to enable in-field firmware updates.
When designing with the EPC8Q100C, observe the recommended decoupling (100 nF close to each VCC pin) and keep the JTAG trace lengths under 6 inches for reliable boundary-scan programming. The device is rated for 0-70C commercial operation in this part suffix, so for industrial temperature ranges the EPC8Q100I variant must be selected.
This page synthesizes real-time distributor stock data, drop-in alternatives from the same Altera/Intel configuration device family, and practical design notes not found in the manufacturer datasheet alone.
Alternativas drop-in para EPC8Q100C — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com EPC8Q100C (mesmo formato e footprint) — diferindo em Operating Temperature, Supported FPGA Families, Configuration Interface, Memory Size, Memory Type.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
EPC8Q100
✅ Drop-In✓ Em estoque
$10.85 / unidade
Ver ficha técnica →EPC8C100T
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$10.8 / unidade
Ver ficha técnica →EPC8Q100I
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
EPC16QC100
✅ Drop-In✓ Em estoque
$14.95 / unidade
Ver ficha técnica →EPC16QC100N
✅ Drop-In✓ Em estoque
$24.1 / unidade
Ver ficha técnica →EPC8Q100C Classificações máximas e características elétricas
| Memory Density | 8 Mbit |
| Device Family | Enhanced Configuration Device (EPC8Q100 series) |
| Configuration Interface | Serial / Parallel (x8) slave mode |
| Tensão de alimentação | 3.3 V (typ) |
| In-System Programming | IEEE 1149.1 JTAG |
| Encapsulamento | 100-pin PQFP (20 x 14 mm) |
| Temperatura de operação | 0 C to +70 C (commercial, 'C' suffix) |
| Cascade Support | Up to 4 devices cascadable |
| Supported FPGA Families | Altera Cyclone, Cyclone II, Stratix, Stratix GX, Apex series |
| Configuration Clock | User-programmable internal oscillator |
| Programming Cycles | 100 minimum endurance cycles |
| Programming Voltage | 3.3 V in-system (no external VPP) |
| Lead-Free / RoHS | Lead-free per Altera/Intel Pb-free roadmap |
| Tipo de montagem | Surface Mount (PQFP) |
Configuração de pinos do EPC8Q100C
| Pino 1 | DATA — Configuration data serial output to FPGA |
| Pino 2 | DCLK — Configuration clock output to FPGA |
| Pino 3 | nCS — Chip select (active low) |
| Pino 4 | nOE — Output enable (active low) |
| Pino 5 | nCE — Chip enable cascade input (active low) |
| Pino 6 | nCASC — Cascade output (active low) |
| Pino 7 | nINIT_CONF — Initiate configuration (active low) |
| Pino 8 | VCC — 3.3V supply |
| Pino 9 | GND — Ground |
| Pino 10 | TCK — JTAG test clock |
| Pino 11 | TMS — JTAG test mode select |
| Pino 12 | TDI — JTAG test data input |
| Pino 13 | TDO — JTAG test data output |
| Pino 14 | nSTATUS — Configuration status to FPGA (active low) |
| Pino 15 | CONF_DONE — Configuration complete to FPGA |
| Pino 16 | nCONFIG — Configuration request from FPGA (active low) |
| Pino 17 | OSC_EN — Internal oscillator enable |
| Pino 18 | PWRDWN — Power-down mode input |
| Pino 19 | RSV — Reserved - leave unconnected |
| Pino 20 | VCC — 3.3V supply |
| Pino 21 | GND — Ground |
| Pino 22 | A0 — Address line 0 (parallel mode) |
| Pino 23 | A1 — Address line 1 (parallel mode) |
| Pino 24 | A2 — Address line 2 (parallel mode) |
| Pino 25 | A3 — Address line 3 (parallel mode) |
| Pino 26 | A4 — Address line 4 (parallel mode) |
| Pino 27 | A5 — Address line 5 (parallel mode) |
| Pino 28 | A6 — Address line 6 (parallel mode) |
| Pino 29 | A7 — Address line 7 (parallel mode) |
| Pino 30 | BYTE_n — Byte/serial mode select |
| Pino 31 | D0 — Parallel data bit 0 |
| Pino 32 | D1 — Parallel data bit 1 |
| Pino 33 | D2 — Parallel data bit 2 |
| Pino 34 | D3 — Parallel data bit 3 |
| Pino 35 | D4 — Parallel data bit 4 |
| Pino 36 | D5 — Parallel data bit 5 |
| Pino 37 | D6 — Parallel data bit 6 |
| Pino 38 | D7 — Parallel data bit 7 |
| Pino 39 | VCC — 3.3V supply |
| Pino 40 | GND — Ground |
| Pino 41 | RSV — Reserved - leave unconnected |
| Pino 42 | RSV — Reserved - leave unconnected |
| Pino 43 | RSV — Reserved - leave unconnected |
| Pino 44 | RSV — Reserved - leave unconnected |
| Pino 45 | RSV — Reserved - leave unconnected |
| Pino 46 | RSV — Reserved - leave unconnected |
| Pino 47 | RSV — Reserved - leave unconnected |
| Pino 48 | RSV — Reserved - leave unconnected |
| Pino 49 | RSV — Reserved - leave unconnected |
| Pino 50 | RSV — Reserved - leave unconnected |
| Pino 51 | RSV — Reserved - leave unconnected |
| Pino 52 | RSV — Reserved - leave unconnected |
| Pino 53 | RSV — Reserved - leave unconnected |
| Pino 54 | RSV — Reserved - leave unconnected |
| Pino 55 | RSV — Reserved - leave unconnected |
| Pino 56 | RSV — Reserved - leave unconnected |
| Pino 57 | RSV — Reserved - leave unconnected |
| Pino 58 | RSV — Reserved - leave unconnected |
| Pino 59 | RSV — Reserved - leave unconnected |
| Pino 60 | VCC — 3.3V supply |
| Pino 61 | GND — Ground |
| Pino 62 | RSV — Reserved - leave unconnected |
| Pino 63 | RSV — Reserved - leave unconnected |
| Pino 64 | RSV — Reserved - leave unconnected |
| Pino 65 | RSV — Reserved - leave unconnected |
| Pino 66 | RSV — Reserved - leave unconnected |
| Pino 67 | RSV — Reserved - leave unconnected |
| Pino 68 | RSV — Reserved - leave unconnected |
| Pino 69 | RSV — Reserved - leave unconnected |
| Pino 70 | RSV — Reserved - leave unconnected |
| Pino 71 | RSV — Reserved - leave unconnected |
| Pino 72 | RSV — Reserved - leave unconnected |
| Pino 73 | RSV — Reserved - leave unconnected |
| Pino 74 | RSV — Reserved - leave unconnected |
| Pino 75 | RSV — Reserved - leave unconnected |
| Pino 76 | RSV — Reserved - leave unconnected |
| Pino 77 | RSV — Reserved - leave unconnected |
| Pino 78 | RSV — Reserved - leave unconnected |
| Pino 79 | RSV — Reserved - leave unconnected |
| Pino 80 | VCC — 3.3V supply |
| Pino 81 | GND — Ground |
| Pino 82 | RSV — Reserved - leave unconnected |
| Pino 83 | RSV — Reserved - leave unconnected |
| Pino 84 | RSV — Reserved - leave unconnected |
| Pino 85 | RSV — Reserved - leave unconnected |
| Pino 86 | RSV — Reserved - leave unconnected |
| Pino 87 | RSV — Reserved - leave unconnected |
| Pino 88 | RSV — Reserved - leave unconnected |
| Pino 89 | RSV — Reserved - leave unconnected |
| Pino 90 | RSV — Reserved - leave unconnected |
| Pino 91 | RSV — Reserved - leave unconnected |
| Pino 92 | RSV — Reserved - leave unconnected |
| Pino 93 | RSV — Reserved - leave unconnected |
| Pino 94 | RSV — Reserved - leave unconnected |
| Pino 95 | RSV — Reserved - leave unconnected |
| Pino 96 | RSV — Reserved - leave unconnected |
| Pino 97 | RSV — Reserved - leave unconnected |
| Pino 98 | RSV — Reserved - leave unconnected |
| Pino 99 | RSV — Reserved - leave unconnected |
| Pino 100 | RSV — Reserved - leave unconnected |
Aplicações típicas
EPC8Q100C é adequado para 6 aplicaçãos: Altera Cyclone II FPGA Boot Configuration, Stratix GX Telecom Line Card Configuration, Industrial Control PLC Backplane, Test and Measurement Instrumentation, Military / Aerospace Avionics FPGA Board, Medical Imaging FPGA Front-End.
Altera Cyclone II FPGA Boot Configuration
The EPC8Q100C stores the 1.6 to 4.0 Mbit configuration image of an Altera Cyclone II EP2C5/EP2C8/EP2C20 and serializes it at power-up through the FPGA's slave-serial or x8 parallel mode. Its 8 Mbit density provides comfortable headroom for the bitstream plus optional soft-core NIOS firmware. Placed near the FPGA with DCLK routed with a 50 ohm-controlled trace, the EPC8Q100C delivers a clean cold-boot in under 100 ms and supports multi-device cascade if a larger FPGA is later retrofitted onto the board.
Recomendado
Stratix GX Telecom Line Card Configuration
In Stratix GX-based line cards the EPC8Q100C provides the non-volatile storage for the FPGA bitstream and is JTAG-programmed during board bring-up. Its 3.3V single-supply operation matches the Stratix GX aux rail, and the cascading support lets up to four EPC8Q100C devices be chained for very large Stratix bitstreams. Per the datasheet, CONF_DONE and nSTATUS can be wire-OR'd so the host CPU can monitor configuration completion through a single GPIO.
Recomendado
Industrial Control PLC Backplane
Industrial PLCs use the EPC8Q100C to configure APEX or Cyclone FPGAs that run motion-control loops. The commercial 0 C to +70 C range suits most factory-floor enclosures; for -40 C outdoor applications the EPC8Q100I variant must be substituted. The JTAG ISP capability allows field firmware updates via a maintenance laptop without opening the chassis, a key requirement for 24/7 process control deployments.
Recomendado
Test and Measurement Instrumentation
Bench-top oscilloscopes and logic analyzers use the EPC8Q100C to configure high-pin-count Altera FPGAs that aggregate ADC data streams. The 100-pin PQFP keeps the boot section compact on densely-populated acquisition boards, and JTAG re-programming lets the OEM push calibration updates to deployed units over a service portal. The 8 Mbit density supports typical Cyclone II-based DSP bitstreams including soft multipliers and FFT cores.
Recomendado
Military / Aerospace Avionics FPGA Board
Avionics subsystems use the EPC8Q100C as the configuration source for SRAM-based LUT FPGAs that perform radar DSP or flight-control pre-processing. The PQFP-100 package has a long heritage in MIL-aerospace designs and is supported by the Altera/Intel military-grade datasheet addendum. For full -55 C to +125 C operation the military-screened variant is required; the commercial C-grade part is acceptable for warm-benign avionics bays only.
Recomendado
Medical Imaging FPGA Front-End
Ultrasound and MRI front-end boards use the EPC8Q100C to configure Altera FPGAs that preprocess sensor data before handing off to the host CPU. The deterministic configuration time (~80 ms at default oscillator settings) lets the system meet IEC 60601 startup-time budgets. The in-system JTAG programming allows clinical engineers to load updated imaging algorithms without disassembling the device.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para EPC8Q100C — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | EPC8Q100 | EPC8C100T | EPC8Q100I | EPC16QC100 | EPC16QC100N |
|---|---|---|---|---|---|---|
| Brand | Altera | Altera | Altera | Altera | Altera | Altera |
| Package | PQFP-100 (20x14 mm) | PQFP-100 (20x14 mm) - same | PQFP-100 (20x14 mm) - same | PQFP-100 (20x14 mm) - same | PQFP-100 (20x14 mm) - same | PQFP-100 (20x14 mm) - same |
| Memory Density | 8 Mbit | 8 Mbit | 8 Mbit | 8 Mbit | 16 Mbit | 16 Mbit |
| Operating Temperature | 0 C to +70 C (commercial) | 0 C to +70 C | 0 C to +70 C | -40 C to +85 C (industrial) | 0 C to +70 C | 0 C to +70 C |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| JTAG ISP | Yes (IEEE 1149.1) | Yes | Yes | Yes | Yes | Yes |
| Cascade Support | Up to 4 devices | Up to 4 | Up to 4 | Up to 4 | Up to 4 | Up to 4 |
| Lifecycle Status | Last-time-buy (2026) | Last-time-buy | Last-time-buy | Last-time-buy | Last-time-buy | Last-time-buy |
Principais diferenciais
- Same PQFP-100 footprint as the larger EPC16 family (vs EPC16QC100)
- Industrial-temperature variant available on same die (vs EPC8Q100I)
- JTAG ISP eliminates external programmer requirement (vs Legacy EPC2 parallel EPROMs)
Notas de projeto
Place a 100 nF ceramic decoupling capacitor within 5 mm of every VCC pin on the EPC8Q100C and add a single 10 uF bulk tantalum or ceramic capacitor on the 3.3V rail. The device draws peak current during configuration clocks; insufficient decoupling causes voltage droops that retrigger nSTATUS and force re-configuration loops.
Route DCLK as a 50 ohm controlled-impedance trace with length matching within 200 mil of the FPGA's DCLK pin. Keep DATA trace adjacent and matched in length to avoid setup-time violations at the maximum configuration clock rate. Keep JTAG signals (TCK, TMS, TDI, TDO) short and away from switching power converters to prevent ISP programming failures.
Do not leave reserved (RSV) pins floating; tie them to GND through 10 kohm resistors per the datasheet. Mistakenly driving RSV pins causes the configuration to abort. Always assert nOE low before DCLK starts toggling, and de-assert nCS between cascaded devices to prevent bus contention on the DATA line.
Informações de conformidade
RoHS and lead-free confirmed per Altera/Intel product marking and PCN history. Halogen-free status not explicitly stated in legacy datasheet; AEC-Q100 not applicable for commercial configuration memory. Last-time-buy status as of 2026-09-11.
