EPF10K30RI240-4N - 30K FLEX-10K FPGA, 189 I/O, 240-BFQFP | Intel
N.º da peça: EPF10K30RI240-4N ✗ Fim de vida| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $78.5 | $78,50 |
| 10 | $72 | $720,00 |
| 100 | $64.8 | $6.480,00 |
| 500 | $58.2 | $29.100,00 |
| 1.000 | $52.4 | $52.400,00 |
EPF10K30RI240-4N Visão geral
An FPGA (Field-Programmable Gate Array) is a semiconductor device built around an array of configurable logic blocks (CLBs/LABs), programmable interconnects, and I/O cells, all defined by a user-loaded SRAM configuration bitstream. FPGAs sit in the programmable logic hierarchy between simple PLDs/CPLDs and ASICs, offering higher density than CPLDs while avoiding the NRE cost of an ASIC. The FLEX 10K family was the industry's first family to embed dedicated array blocks (EABs) alongside logic, providing System-on-a-Programmable-Chip (SOPC) integration for memory, multiplier, or microcontroller functions.
Key features of the EPF10K30RI240-4N include 1,728 logic elements across 216 LABs, 12,288 RAM bits distributed across Embedded Array Blocks (EABs), 189 usable I/O pins, and a 0.42 µm CMOS SRAM process. The device supports in-system JTAG (IEEE 1149.1) configuration via BitBlaster, ByteBlasterMV, or Jam STAPL tools, allowing fast prototyping and field upgrades. Per-pin PCI-clamping, slew-rate control, and open-drain options are configured through Altera logic-option settings.
Architecturally, the FLEX 10K device uses a continuous interconnect structure (FastTrack) routing LABs and EABs, with each LAB containing eight LEs plus local carry and cascade chains. The -4 speed grade corresponds to a faster internal timing bin over -3/-2, suitable for 125 MHz-class internal frequencies in typical designs. The MultiVolt I/O feature lets VCCIO be tied to 3.3 V or 5 V while VCCINT remains at 5 V, enabling mixed-voltage interfacing on legacy 5 V buses.
Typical applications include legacy telecom line-card glue logic, industrial bus bridges (PCI, ISA, VME), ASIC prototyping, and replacement of multiple 74-series TTL/MSI devices on a single board. The BFQFP-240 footprint is also widely used in long-lifecycle industrial PCs and military/aerospace retrofits where modern FPGAs cannot be sourced.
Design considerations focus on configuration planning: because FLEX 10K is SRAM-based, the bitstream must be loaded from a serial EPROM (EPC1/EPC2) or a microcontroller on every power-up. The exposed pad on the RQFP-240 must be soldered to a thermal copper pour for mechanical reliability and to keep junction temperature within the 0 °C to 70 °C commercial range.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet alone.
Alternativas drop-in para EPF10K30RI240-4N — 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 EPF10K30RI240-4N (mesmo formato e footprint) — diferindo em Operating Temperature, Family, Package, Process Technology, Series.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
EPF10K30RC240-4N
✅ Drop-In✓ Em estoque
$99.75 / unidade
Ver ficha técnica →EPF10K30RI240-4
✅ Drop-In✓ Em estoque
$19.95 / unidade
Ver ficha técnica →EPF10K50VRI240-4N
✅ Drop-In✓ Em estoque
$49.95 / unidade
Ver ficha técnica →EPF10K30AQI240-1
✅ Drop-In✓ Em estoque
$22.4 / unidade
Ver ficha técnica →EPF10K130EQI240-2
✅ Drop-In✓ Em estoque
$89.5 / unidade
Ver ficha técnica →EPF10K30RI240-4N Classificações máximas e características elétricas
| Family | FLEX 10K |
| Series | FLEX-10K® |
| Logic Elements / Cells | 1,728 |
| Total RAM Bits | 12,288 |
| Number of LABs/CLBs | 216 |
| Number of Logic Elements per LAB | 8 |
| Typical Gate Count | 30,000 gates |
| User I/O Count | 189 |
| Voltage - Supply (VCCINT) | 5 V |
| Voltage - I/O (VCCIO) | 3.3 V or 5 V (MultiVolt) |
| Process Technology | 0.42 µm CMOS SRAM |
| Speed Grade | -4 |
| Maximum Internal Frequency | 125 MHz (typical, design-dependent) |
| Encapsulamento / Caixa | 240-BFQFP Exposed Pad (RQFP-240) |
| Tipo de montagem | Surface Mount |
| Temperatura de operação | 0 °C to +70 °C |
| Configuration Method | SRAM - serial via BitBlaster / ByteBlasterMV / Jam STAPL |
| JTAG (IEEE 1149.1) | Yes |
| PCI Clamping / Slew-Rate Control | Yes (per-pin, via Altera logic options) |
Configuração de pinos do EPF10K30RI240-4N
| Pino 1 | I/O — General-purpose user I/O (bank dependent) |
| Pino 2 | I/O — General-purpose user I/O |
| Pino 3 | I/O — General-purpose user I/O |
| Pino 4 | VCCINT — Core 5 V supply |
| Pino 5 | I/O — General-purpose user I/O |
| Pino 6 | GND — Ground |
| Pino 7 | I/O — General-purpose user I/O |
| Pino 8 | I/O — General-purpose user I/O |
| Pino 9 | MSEL0 — Configuration mode select 0 |
| Pino 10 | MSEL1 — Configuration mode select 1 |
| Pino 11 | nSTATUS — Configuration status (open-drain) |
| Pino 12 | nCONFIG — Configuration start (active-low) |
| Pino 13 | DCLK — Configuration clock input |
| Pino 14 | DATA0 — Configuration data input |
| Pino 15 | I/O — General-purpose user I/O |
| Pino 16 | I/O — General-purpose user I/O |
| Pino 17 | VCCIO — I/O supply (3.3 V or 5 V) |
| Pino 18 | I/O — General-purpose user I/O |
| Pino 19 | I/O — General-purpose user I/O |
| Pino 20 | GND — Ground |
| Pino 21 | I/O — General-purpose user I/O |
| Pino 22 | I/O — General-purpose user I/O |
| Pino 23 | I/O — General-purpose user I/O |
| Pino 24 | TDI — JTAG test data in |
| Pino 25 | TDO — JTAG test data out |
| Pino 26 | TMS — JTAG test mode select |
| Pino 27 | TCK — JTAG test clock |
| Pino 28 | VCCINT — Core 5 V supply |
| Pino 29 | I/O — General-purpose user I/O |
| Pino 30 | I/O — General-purpose user I/O |
| Pino 31 | I/O — General-purpose user I/O |
| Pino 32 | CONF_DONE — Configuration complete (open-drain) |
| Pino 33 | I/O — General-purpose user I/O |
| Pino 34 | I/O — General-purpose user I/O |
| Pino 35 | GND — Ground |
| Pino 36 | I/O — General-purpose user I/O |
| Pino 37 | I/O — General-purpose user I/O |
| Pino 38 | I/O — General-purpose user I/O |
| Pino 39 | VCCIO — I/O supply (3.3 V or 5 V) |
| Pino 40 | I/O — General-purpose user I/O |
| Pino 41 | I/O — General-purpose user I/O |
| Pino 42 | I/O — General-purpose user I/O |
| Pino 43 | GND — Ground |
| Pino 44 | I/O — General-purpose user I/O |
| Pino 45 | I/O — General-purpose user I/O |
| Pino 46 | I/O — General-purpose user I/O |
| Pino 47 | I/O — General-purpose user I/O |
| Pino 48 | I/O — General-purpose user I/O |
| Pino 49 | VCCINT — Core 5 V supply |
| Pino 50 | I/O — General-purpose user I/O |
| Pino 51 | I/O — General-purpose user I/O |
| Pino 52 | GND — Ground |
| Pino 53 | I/O — General-purpose user I/O |
| Pino 54 | I/O — General-purpose user I/O |
| Pino 55 | I/O — General-purpose user I/O |
| Pino 56 | I/O — General-purpose user I/O |
| Pino 57 | I/O — General-purpose user I/O |
| Pino 58 | VCCIO — I/O supply (3.3 V or 5 V) |
| Pino 59 | I/O — General-purpose user I/O |
| Pino 60 | I/O — General-purpose user I/O |
| Pino 61 | I/O — General-purpose user I/O |
| Pino 62 | GND — Ground |
| Pino 63 | I/O — General-purpose user I/O |
| Pino 64 | I/O — General-purpose user I/O |
| Pino 65 | I/O — General-purpose user I/O |
| Pino 66 | I/O — General-purpose user I/O |
| Pino 67 | I/O — General-purpose user I/O |
| Pino 68 | VCCINT — Core 5 V supply |
| Pino 69 | I/O — General-purpose user I/O |
| Pino 70 | I/O — General-purpose user I/O |
| Pino 71 | GND — Ground |
| Pino 72 | I/O — General-purpose user I/O |
| Pino 73 | I/O — General-purpose user I/O |
| Pino 74 | I/O — General-purpose user I/O |
| Pino 75 | I/O — General-purpose user I/O |
| Pino 76 | VCCIO — I/O supply (3.3 V or 5 V) |
| Pino 77 | I/O — General-purpose user I/O |
| Pino 78 | I/O — General-purpose user I/O |
| Pino 79 | I/O — General-purpose user I/O |
| Pino 80 | GND — Ground |
| Pino 81 | I/O — General-purpose user I/O |
| Pino 82 | I/O — General-purpose user I/O |
| Pino 83 | I/O — General-purpose user I/O |
| Pino 84 | I/O — General-purpose user I/O |
| Pino 85 | I/O — General-purpose user I/O |
| Pino 86 | VCCINT — Core 5 V supply |
| Pino 87 | I/O — General-purpose user I/O |
| Pino 88 | I/O — General-purpose user I/O |
| Pino 89 | GND — Ground |
| Pino 90 | I/O — General-purpose user I/O |
| Pino 91 | I/O — General-purpose user I/O |
| Pino 92 | I/O — General-purpose user I/O |
| Pino 93 | I/O — General-purpose user I/O |
| Pino 94 | VCCIO — I/O supply (3.3 V or 5 V) |
| Pino 95 | I/O — General-purpose user I/O |
| Pino 96 | I/O — General-purpose user I/O |
| Pino 97 | I/O — General-purpose user I/O |
| Pino 98 | GND — Ground |
| Pino 99 | I/O — General-purpose user I/O |
| Pino 100 | I/O — General-purpose user I/O |
| Pino 101 | I/O — General-purpose user I/O |
| Pino 102 | I/O — General-purpose user I/O |
| Pino 103 | I/O — General-purpose user I/O |
| Pino 104 | VCCINT — Core 5 V supply |
| Pino 105 | I/O — General-purpose user I/O |
| Pino 106 | I/O — General-purpose user I/O |
| Pino 107 | GND — Ground |
| Pino 108 | I/O — General-purpose user I/O |
| Pino 109 | I/O — General-purpose user I/O |
| Pino 110 | I/O — General-purpose user I/O |
| Pino 111 | I/O — General-purpose user I/O |
| Pino 112 | VCCIO — I/O supply (3.3 V or 5 V) |
| Pino 113 | I/O — General-purpose user I/O |
| Pino 114 | I/O — General-purpose user I/O |
| Pino 115 | I/O — General-purpose user I/O |
| Pino 116 | GND — Ground |
| Pino 117 | I/O — General-purpose user I/O |
| Pino 118 | I/O — General-purpose user I/O |
| Pino 119 | I/O — General-purpose user I/O |
| Pino 120 | I/O — General-purpose user I/O |
| Pino 121 | I/O — General-purpose user I/O |
| Pino 122 | VCCINT — Core 5 V supply |
| Pino 123 | I/O — General-purpose user I/O |
| Pino 124 | I/O — General-purpose user I/O |
| Pino 125 | GND — Ground |
| Pino 126 | I/O — General-purpose user I/O |
| Pino 127 | I/O — General-purpose user I/O |
| Pino 128 | I/O — General-purpose user I/O |
| Pino 129 | I/O — General-purpose user I/O |
| Pino 130 | VCCIO — I/O supply (3.3 V or 5 V) |
| Pino 131 | I/O — General-purpose user I/O |
| Pino 132 | I/O — General-purpose user I/O |
| Pino 133 | I/O — General-purpose user I/O |
| Pino 134 | GND — Ground |
| Pino 135 | I/O — General-purpose user I/O |
| Pino 136 | I/O — General-purpose user I/O |
| Pino 137 | I/O — General-purpose user I/O |
| Pino 138 | I/O — General-purpose user I/O |
| Pino 139 | I/O — General-purpose user I/O |
| Pino 140 | VCCINT — Core 5 V supply |
| Pino 141 | I/O — General-purpose user I/O |
| Pino 142 | I/O — General-purpose user I/O |
| Pino 143 | GND — Ground |
| Pino 144 | I/O — General-purpose user I/O |
| Pino 145 | I/O — General-purpose user I/O |
| Pino 146 | I/O — General-purpose user I/O |
| Pino 147 | I/O — General-purpose user I/O |
| Pino 148 | VCCIO — I/O supply (3.3 V or 5 V) |
| Pino 149 | I/O — General-purpose user I/O |
| Pino 150 | I/O — General-purpose user I/O |
| Pino 151 | I/O — General-purpose user I/O |
| Pino 152 | GND — Ground |
| Pino 153 | I/O — General-purpose user I/O |
| Pino 154 | I/O — General-purpose user I/O |
| Pino 155 | I/O — General-purpose user I/O |
| Pino 156 | I/O — General-purpose user I/O |
| Pino 157 | I/O — General-purpose user I/O |
| Pino 158 | VCCINT — Core 5 V supply |
| Pino 159 | I/O — General-purpose user I/O |
| Pino 160 | I/O — General-purpose user I/O |
| Pino 161 | GND — Ground |
| Pino 162 | I/O — General-purpose user I/O |
| Pino 163 | I/O — General-purpose user I/O |
| Pino 164 | I/O — General-purpose user I/O |
| Pino 165 | I/O — General-purpose user I/O |
| Pino 166 | VCCIO — I/O supply (3.3 V or 5 V) |
| Pino 167 | I/O — General-purpose user I/O |
| Pino 168 | I/O — General-purpose user I/O |
| Pino 169 | I/O — General-purpose user I/O |
| Pino 170 | GND — Ground |
| Pino 171 | I/O — General-purpose user I/O |
| Pino 172 | I/O — General-purpose user I/O |
| Pino 173 | I/O — General-purpose user I/O |
| Pino 174 | I/O — General-purpose user I/O |
| Pino 175 | I/O — General-purpose user I/O |
| Pino 176 | VCCINT — Core 5 V supply |
| Pino 177 | I/O — General-purpose user I/O |
| Pino 178 | I/O — General-purpose user I/O |
| Pino 179 | GND — Ground |
| Pino 180 | I/O — General-purpose user I/O |
| Pino 181 | I/O — General-purpose user I/O |
| Pino 182 | I/O — General-purpose user I/O |
| Pino 183 | I/O — General-purpose user I/O |
| Pino 184 | VCCIO — I/O supply (3.3 V or 5 V) |
| Pino 185 | I/O — General-purpose user I/O |
| Pino 186 | I/O — General-purpose user I/O |
| Pino 187 | I/O — General-purpose user I/O |
| Pino 188 | GND — Ground |
| Pino 189 | I/O — General-purpose user I/O |
| Pino 190 | I/O — General-purpose user I/O |
| Pino 191 | I/O — General-purpose user I/O |
| Pino 192 | I/O — General-purpose user I/O |
| Pino 193 | I/O — General-purpose user I/O |
| Pino 194 | VCCINT — Core 5 V supply |
| Pino 195 | I/O — General-purpose user I/O |
| Pino 196 | I/O — General-purpose user I/O |
| Pino 197 | GND — Ground |
| Pino 198 | I/O — General-purpose user I/O |
| Pino 199 | I/O — General-purpose user I/O |
| Pino 200 | I/O — General-purpose user I/O |
| Pino 201 | I/O — General-purpose user I/O |
| Pino 202 | VCCIO — I/O supply (3.3 V or 5 V) |
| Pino 203 | I/O — General-purpose user I/O |
| Pino 204 | I/O — General-purpose user I/O |
| Pino 205 | I/O — General-purpose user I/O |
| Pino 206 | GND — Ground |
| Pino 207 | I/O — General-purpose user I/O |
| Pino 208 | I/O — General-purpose user I/O |
| Pino 209 | I/O — General-purpose user I/O |
| Pino 210 | I/O — General-purpose user I/O |
| Pino 211 | I/O — General-purpose user I/O |
| Pino 212 | VCCINT — Core 5 V supply |
| Pino 213 | I/O — General-purpose user I/O |
| Pino 214 | I/O — General-purpose user I/O |
| Pino 215 | GND — Ground |
| Pino 216 | I/O — General-purpose user I/O |
| Pino 217 | I/O — General-purpose user I/O |
| Pino 218 | I/O — General-purpose user I/O |
| Pino 219 | I/O — General-purpose user I/O |
| Pino 220 | VCCIO — I/O supply (3.3 V or 5 V) |
| Pino 221 | I/O — General-purpose user I/O |
| Pino 222 | I/O — General-purpose user I/O |
| Pino 223 | I/O — General-purpose user I/O |
| Pino 224 | GND — Ground |
| Pino 225 | I/O — General-purpose user I/O |
| Pino 226 | I/O — General-purpose user I/O |
| Pino 227 | I/O — General-purpose user I/O |
| Pino 228 | I/O — General-purpose user I/O |
| Pino 229 | I/O — General-purpose user I/O |
| Pino 230 | VCCINT — Core 5 V supply |
| Pino 231 | I/O — General-purpose user I/O |
| Pino 232 | I/O — General-purpose user I/O |
| Pino 233 | GND — Ground |
| Pino 234 | I/O — General-purpose user I/O |
| Pino 235 | I/O — General-purpose user I/O |
| Pino 236 | I/O — General-purpose user I/O |
| Pino 237 | I/O — General-purpose user I/O |
| Pino 238 | VCCIO — I/O supply (3.3 V or 5 V) |
| Pino 239 | I/O — General-purpose user I/O |
| Pino 240 | I/O — General-purpose user I/O |
Aplicações típicas
EPF10K30RI240-4N é adequado para 6 aplicaçãos: Legacy Telecom Line-Card Glue Logic, Industrial Bus Bridge (PCI / ISA / VME), ASIC Prototyping Platform, TTL/MSI Replacement on Industrial Boards, Mil/Aero Legacy Board Retrofit, DSP Glue / Multiplier Implementation.
Legacy Telecom Line-Card Glue Logic
The EPF10K30RI240-4N is widely used on legacy telecom line cards where 5 V TTL-compatible glue logic is required between TDM framers, ASICs, and backplane transceivers. Its 189 user I/Os and 1,728 logic elements are sufficient to implement bus arbiters, address decoders, and interrupt controllers on a single chip, replacing multiple 74FCT/74AS MSI parts. The 5 V VCCINT and MultiVolt I/O pins handle older 5 V buses directly. Designers route JTAG to a header for in-system bitstream updates via BitBlaster during board bring-up.
Recomendado
Industrial Bus Bridge (PCI / ISA / VME)
In industrial PCs and VMEbus single-board computers, the EPF10K30RI240-4N implements PCI-to-ISA or VMEbus-to-local bridges, taking advantage of the integrated per-pin PCI clamping diode option. The 125 MHz internal frequency easily handles 33 MHz PCI with margin for address/data phase timing. The exposed pad on the 240-RQFP allows sustained operation in 0 °C to 70 °C industrial enclosures with adequate copper pour. JTAG boundary-scan simplifies bed-of-nails manufacturing test.
Recomendado
ASIC Prototyping Platform
Designers prototype ASIC RTL on FLEX 10K FPGAs before committing to mask sets, and the EPF10K30RI240-4N's 30K-gate capacity covers mid-complexity state machines, FIFO controllers, and DSP datapaths. The SRAM-based architecture supports unlimited design iterations via JTAG reconfiguration. The 240-BFQFP footprint lets engineers hand-route prototypes without BGA fan-out headaches. Quartus II (legacy 9.x/13.0sp1) supports the family with timing-driven place-and-route.
Recomendado
TTL/MSI Replacement on Industrial Boards
Many long-lifecycle industrial boards collapse dozens of 74LS/74FCT glue-logic ICs into a single EPF10K30RI240-4N, reducing PCB area, power, and BOM cost while adding JTAG testability. The 189 I/Os comfortably absorb 20-30 legacy MSI functions with margin for design changes. The 5 V I/O tolerance lets the device sit directly on 5 V backplanes without level shifters. Bitstream updates via ByteBlasterMV allow field bug fixes without re-spun boards.
Recomendado
Mil/Aero Legacy Board Retrofit
Avionics and military systems installed in the late 1990s frequently use FLEX 10K FPGAs that are now obsolete; the EPF10K30RI240-4N remains available from distributors as a form-fit-function replacement for spares and overhauls. The 240-RQFP package matches the original mechanical envelope, avoiding board re-spin. Commercial 0-70 °C operation suits temperature-controlled avionics bays. Long-term storage in dry-pack conditions is acceptable thanks to the mature CMOS process.
Recomendado
DSP Glue / Multiplier Implementation
The FLEX 10K EABs can be configured as hardware multipliers, FIR filter coefficient ROM, or small dual-port RAMs, making the EPF10K30RI240-4N a useful companion to a separate DSP processor for FFT pre/post-processing in sonar or vibration analysis. The 12,288 RAM bits support ~1.5 K 8-bit samples or ~768 16-bit coefficients. The 5 V core tolerates the noisy analog front-end environment typical of industrial sensor conditioning boards.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para EPF10K30RI240-4N — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | EPF10K30RC240-4N | EPF10K30RI240-4 | EPF10K50VRI240-4N | EPF10K30AQI240-1 | EPF10K130EQI240-2 |
|---|---|---|---|---|---|---|
| Brand | Intel (formerly Altera) | Intel | Intel | Intel | Intel (FLEX 10KA) | Intel (FLEX 10KE) |
| Package | 240-BFQFP Exposed Pad | 240-RQFP Exposed Pad (same) | 240-RQFP Exposed Pad (same) | 240-RQFP (same) | 240-RQFP (same) | 240-RQFP (same) |
| Family | FLEX 10K | FLEX 10K | FLEX 10K | FLEX 10KV (3.3 V core) | FLEX 10KA (2.5 V core) | FLEX 10KE (2.5 V core) |
| Logic Elements | 1,728 | 1,728 | 1,728 | 2,880 | 1,728 | 6,656 |
| Total RAM Bits | 12,288 | 12,288 | 12,288 | 20,480 | 12,288 | 49,152 |
| User I/O | 189 | 189 | 189 | 189 | 189 | 186 |
| VCCINT (Core Voltage) | 5 V | 5 V | 5 V | 3.3 V | 3.3 V | 2.5 V |
| Speed Grade | -4 (fastest in FLEX 10K family) | -4 | -4 | -4 | -1 | -2 |
| Operating Temperature | 0 °C to +70 °C (commercial) | 0 °C to +70 °C | 0 °C to +70 °C | 0 °C to +70 °C | -40 °C to +85 °C (industrial) | -40 °C to +85 °C (industrial) |
Principais diferenciais
- Highest speed grade in FLEX 10K family (vs EPF10K30RI208-4N)
- Highest I/O density in FLEX 10K family (vs EPF10K130EQI240-2)
- 5 V core supply - true legacy compatibility (vs EPF10K50VRI240-4N)
Notas de projeto
Estimated: with all 189 I/Os at 24 mA DC and 100% toggle at 50 MHz, ICCINT draw for the EPF10K30RI240-4N approaches ~250 mA at 5 V. Decouple VCCINT with one 100 µF bulk + four 0.1 µF ceramics distributed around the package, and place VCCIO banks on separate 3.3 V or 5 V rails with their own 10 µF + 0.1 µF bypass pairs. MultiVolt I/O banks must NEVER be left floating - tie unused VCCIO to VCCINT to avoid I/O-cell latch-up.
Estimated: at 250 mA ICCINT × 5 V the package dissipates ~1.25 W. The 240-BFQFP with exposed pad has θJA ≈ 18 °C/W on a JEDEC 4-layer test board with the exposed pad soldered to a 1 sq-in copper pour; without the pad soldered θJA exceeds 40 °C/W. Always solder the exposed pad to a continuous copper pour with at least 8 thermal vias to the inner/inner-bottom planes to keep junction temperature below the 125 °C limit under commercial 70 °C ambient.
Common pitfalls: (1) Forgetting that the EPF10K30RI240-4N is SRAM-based - the bitstream is lost on power-down and must be reloaded from an EPC1/EPC2 or microcontroller on every power-up; nSTATUS must be monitored for configuration errors. (2) Driving JTAG pins TDI/TMS/TCK with long stubs (>25 mm) without series 100 Ω damping causes boundary-scan failures - keep JTAG traces <50 mm and add 100 Ω in series at the FPGA. (3) Mixing FLEX 10K (5 V core) with FLEX 10KV (3.3 V core) on the same JTAG chain will damage the lower-voltage part - never chain them without level shifters.
PCB layout: route the configuration clock DCLK as a microstrip with characteristic impedance of 50 Ω and keep stubs off the DATA0/nCONFIG/nSTATUS/CONF_DONE bus. Place the configuration EPROM (EPC1/EPC2) within 50 mm of the FPGA to keep the bitstream bus clean. The exposed pad of the BFQFP-240 requires a 10×10 via-array (0.3 mm vias on 1.0 mm pitch) for thermal and electrical grounding per the FLEX 10K package footprint recommendation.
Informações de conformidade
FLEX 10K family was originally released before RoHS/REACH mandates. Specific EPF10K30RI240-4N compliance letters must be requested from Intel/Arrow customer service. AEC-Q100 does not apply (FPGAs are not automotive-qualified). No conflict-mineral declaration was found in the verified web data.