EPF10K30RI240-4N - 30K FLEX-10K FPGA, 189 I/O, 240-BFQFP | Intel
Référence : EPF10K30RI240-4N ✗ Fin de vie| Qté | Prix unitaire | 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 Présentation
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.
Alternatives de remplacement direct pour EPF10K30RI240-4N — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec EPF10K30RI240-4N (même facteur de forme et même empreinte) — différant par Operating Temperature, Family, Package, Process Technology, Series.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
EPF10K30RC240-4N
✅ Remplacement direct✓ En stock
$99.75 / unité
Voir la fiche technique →EPF10K30RI240-4
✅ Remplacement direct✓ En stock
$19.95 / unité
Voir la fiche technique →EPF10K50VRI240-4N
✅ Remplacement direct✓ En stock
$49.95 / unité
Voir la fiche technique →EPF10K30AQI240-1
✅ Remplacement direct✓ En stock
$22.4 / unité
Voir la fiche technique →EPF10K130EQI240-2
✅ Remplacement direct✓ En stock
$89.5 / unité
Voir la fiche technique →EPF10K30RI240-4N Valeurs maximales et caractéristiques électriques
| 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) |
| Boîtier / Format | 240-BFQFP Exposed Pad (RQFP-240) |
| Type de montage | Surface Mount |
| Température de fonctionnement | 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) |
Configuration des broches de EPF10K30RI240-4N
| Broche 1 | I/O — General-purpose user I/O (bank dependent) |
| Broche 2 | I/O — General-purpose user I/O |
| Broche 3 | I/O — General-purpose user I/O |
| Broche 4 | VCCINT — Core 5 V supply |
| Broche 5 | I/O — General-purpose user I/O |
| Broche 6 | GND — Ground |
| Broche 7 | I/O — General-purpose user I/O |
| Broche 8 | I/O — General-purpose user I/O |
| Broche 9 | MSEL0 — Configuration mode select 0 |
| Broche 10 | MSEL1 — Configuration mode select 1 |
| Broche 11 | nSTATUS — Configuration status (open-drain) |
| Broche 12 | nCONFIG — Configuration start (active-low) |
| Broche 13 | DCLK — Configuration clock input |
| Broche 14 | DATA0 — Configuration data input |
| Broche 15 | I/O — General-purpose user I/O |
| Broche 16 | I/O — General-purpose user I/O |
| Broche 17 | VCCIO — I/O supply (3.3 V or 5 V) |
| Broche 18 | I/O — General-purpose user I/O |
| Broche 19 | I/O — General-purpose user I/O |
| Broche 20 | GND — Ground |
| Broche 21 | I/O — General-purpose user I/O |
| Broche 22 | I/O — General-purpose user I/O |
| Broche 23 | I/O — General-purpose user I/O |
| Broche 24 | TDI — JTAG test data in |
| Broche 25 | TDO — JTAG test data out |
| Broche 26 | TMS — JTAG test mode select |
| Broche 27 | TCK — JTAG test clock |
| Broche 28 | VCCINT — Core 5 V supply |
| Broche 29 | I/O — General-purpose user I/O |
| Broche 30 | I/O — General-purpose user I/O |
| Broche 31 | I/O — General-purpose user I/O |
| Broche 32 | CONF_DONE — Configuration complete (open-drain) |
| Broche 33 | I/O — General-purpose user I/O |
| Broche 34 | I/O — General-purpose user I/O |
| Broche 35 | GND — Ground |
| Broche 36 | I/O — General-purpose user I/O |
| Broche 37 | I/O — General-purpose user I/O |
| Broche 38 | I/O — General-purpose user I/O |
| Broche 39 | VCCIO — I/O supply (3.3 V or 5 V) |
| Broche 40 | I/O — General-purpose user I/O |
| Broche 41 | I/O — General-purpose user I/O |
| Broche 42 | I/O — General-purpose user I/O |
| Broche 43 | GND — Ground |
| Broche 44 | I/O — General-purpose user I/O |
| Broche 45 | I/O — General-purpose user I/O |
| Broche 46 | I/O — General-purpose user I/O |
| Broche 47 | I/O — General-purpose user I/O |
| Broche 48 | I/O — General-purpose user I/O |
| Broche 49 | VCCINT — Core 5 V supply |
| Broche 50 | I/O — General-purpose user I/O |
| Broche 51 | I/O — General-purpose user I/O |
| Broche 52 | GND — Ground |
| Broche 53 | I/O — General-purpose user I/O |
| Broche 54 | I/O — General-purpose user I/O |
| Broche 55 | I/O — General-purpose user I/O |
| Broche 56 | I/O — General-purpose user I/O |
| Broche 57 | I/O — General-purpose user I/O |
| Broche 58 | VCCIO — I/O supply (3.3 V or 5 V) |
| Broche 59 | I/O — General-purpose user I/O |
| Broche 60 | I/O — General-purpose user I/O |
| Broche 61 | I/O — General-purpose user I/O |
| Broche 62 | GND — Ground |
| Broche 63 | I/O — General-purpose user I/O |
| Broche 64 | I/O — General-purpose user I/O |
| Broche 65 | I/O — General-purpose user I/O |
| Broche 66 | I/O — General-purpose user I/O |
| Broche 67 | I/O — General-purpose user I/O |
| Broche 68 | VCCINT — Core 5 V supply |
| Broche 69 | I/O — General-purpose user I/O |
| Broche 70 | I/O — General-purpose user I/O |
| Broche 71 | GND — Ground |
| Broche 72 | I/O — General-purpose user I/O |
| Broche 73 | I/O — General-purpose user I/O |
| Broche 74 | I/O — General-purpose user I/O |
| Broche 75 | I/O — General-purpose user I/O |
| Broche 76 | VCCIO — I/O supply (3.3 V or 5 V) |
| Broche 77 | I/O — General-purpose user I/O |
| Broche 78 | I/O — General-purpose user I/O |
| Broche 79 | I/O — General-purpose user I/O |
| Broche 80 | GND — Ground |
| Broche 81 | I/O — General-purpose user I/O |
| Broche 82 | I/O — General-purpose user I/O |
| Broche 83 | I/O — General-purpose user I/O |
| Broche 84 | I/O — General-purpose user I/O |
| Broche 85 | I/O — General-purpose user I/O |
| Broche 86 | VCCINT — Core 5 V supply |
| Broche 87 | I/O — General-purpose user I/O |
| Broche 88 | I/O — General-purpose user I/O |
| Broche 89 | GND — Ground |
| Broche 90 | I/O — General-purpose user I/O |
| Broche 91 | I/O — General-purpose user I/O |
| Broche 92 | I/O — General-purpose user I/O |
| Broche 93 | I/O — General-purpose user I/O |
| Broche 94 | VCCIO — I/O supply (3.3 V or 5 V) |
| Broche 95 | I/O — General-purpose user I/O |
| Broche 96 | I/O — General-purpose user I/O |
| Broche 97 | I/O — General-purpose user I/O |
| Broche 98 | GND — Ground |
| Broche 99 | I/O — General-purpose user I/O |
| Broche 100 | I/O — General-purpose user I/O |
| Broche 101 | I/O — General-purpose user I/O |
| Broche 102 | I/O — General-purpose user I/O |
| Broche 103 | I/O — General-purpose user I/O |
| Broche 104 | VCCINT — Core 5 V supply |
| Broche 105 | I/O — General-purpose user I/O |
| Broche 106 | I/O — General-purpose user I/O |
| Broche 107 | GND — Ground |
| Broche 108 | I/O — General-purpose user I/O |
| Broche 109 | I/O — General-purpose user I/O |
| Broche 110 | I/O — General-purpose user I/O |
| Broche 111 | I/O — General-purpose user I/O |
| Broche 112 | VCCIO — I/O supply (3.3 V or 5 V) |
| Broche 113 | I/O — General-purpose user I/O |
| Broche 114 | I/O — General-purpose user I/O |
| Broche 115 | I/O — General-purpose user I/O |
| Broche 116 | GND — Ground |
| Broche 117 | I/O — General-purpose user I/O |
| Broche 118 | I/O — General-purpose user I/O |
| Broche 119 | I/O — General-purpose user I/O |
| Broche 120 | I/O — General-purpose user I/O |
| Broche 121 | I/O — General-purpose user I/O |
| Broche 122 | VCCINT — Core 5 V supply |
| Broche 123 | I/O — General-purpose user I/O |
| Broche 124 | I/O — General-purpose user I/O |
| Broche 125 | GND — Ground |
| Broche 126 | I/O — General-purpose user I/O |
| Broche 127 | I/O — General-purpose user I/O |
| Broche 128 | I/O — General-purpose user I/O |
| Broche 129 | I/O — General-purpose user I/O |
| Broche 130 | VCCIO — I/O supply (3.3 V or 5 V) |
| Broche 131 | I/O — General-purpose user I/O |
| Broche 132 | I/O — General-purpose user I/O |
| Broche 133 | I/O — General-purpose user I/O |
| Broche 134 | GND — Ground |
| Broche 135 | I/O — General-purpose user I/O |
| Broche 136 | I/O — General-purpose user I/O |
| Broche 137 | I/O — General-purpose user I/O |
| Broche 138 | I/O — General-purpose user I/O |
| Broche 139 | I/O — General-purpose user I/O |
| Broche 140 | VCCINT — Core 5 V supply |
| Broche 141 | I/O — General-purpose user I/O |
| Broche 142 | I/O — General-purpose user I/O |
| Broche 143 | GND — Ground |
| Broche 144 | I/O — General-purpose user I/O |
| Broche 145 | I/O — General-purpose user I/O |
| Broche 146 | I/O — General-purpose user I/O |
| Broche 147 | I/O — General-purpose user I/O |
| Broche 148 | VCCIO — I/O supply (3.3 V or 5 V) |
| Broche 149 | I/O — General-purpose user I/O |
| Broche 150 | I/O — General-purpose user I/O |
| Broche 151 | I/O — General-purpose user I/O |
| Broche 152 | GND — Ground |
| Broche 153 | I/O — General-purpose user I/O |
| Broche 154 | I/O — General-purpose user I/O |
| Broche 155 | I/O — General-purpose user I/O |
| Broche 156 | I/O — General-purpose user I/O |
| Broche 157 | I/O — General-purpose user I/O |
| Broche 158 | VCCINT — Core 5 V supply |
| Broche 159 | I/O — General-purpose user I/O |
| Broche 160 | I/O — General-purpose user I/O |
| Broche 161 | GND — Ground |
| Broche 162 | I/O — General-purpose user I/O |
| Broche 163 | I/O — General-purpose user I/O |
| Broche 164 | I/O — General-purpose user I/O |
| Broche 165 | I/O — General-purpose user I/O |
| Broche 166 | VCCIO — I/O supply (3.3 V or 5 V) |
| Broche 167 | I/O — General-purpose user I/O |
| Broche 168 | I/O — General-purpose user I/O |
| Broche 169 | I/O — General-purpose user I/O |
| Broche 170 | GND — Ground |
| Broche 171 | I/O — General-purpose user I/O |
| Broche 172 | I/O — General-purpose user I/O |
| Broche 173 | I/O — General-purpose user I/O |
| Broche 174 | I/O — General-purpose user I/O |
| Broche 175 | I/O — General-purpose user I/O |
| Broche 176 | VCCINT — Core 5 V supply |
| Broche 177 | I/O — General-purpose user I/O |
| Broche 178 | I/O — General-purpose user I/O |
| Broche 179 | GND — Ground |
| Broche 180 | I/O — General-purpose user I/O |
| Broche 181 | I/O — General-purpose user I/O |
| Broche 182 | I/O — General-purpose user I/O |
| Broche 183 | I/O — General-purpose user I/O |
| Broche 184 | VCCIO — I/O supply (3.3 V or 5 V) |
| Broche 185 | I/O — General-purpose user I/O |
| Broche 186 | I/O — General-purpose user I/O |
| Broche 187 | I/O — General-purpose user I/O |
| Broche 188 | GND — Ground |
| Broche 189 | I/O — General-purpose user I/O |
| Broche 190 | I/O — General-purpose user I/O |
| Broche 191 | I/O — General-purpose user I/O |
| Broche 192 | I/O — General-purpose user I/O |
| Broche 193 | I/O — General-purpose user I/O |
| Broche 194 | VCCINT — Core 5 V supply |
| Broche 195 | I/O — General-purpose user I/O |
| Broche 196 | I/O — General-purpose user I/O |
| Broche 197 | GND — Ground |
| Broche 198 | I/O — General-purpose user I/O |
| Broche 199 | I/O — General-purpose user I/O |
| Broche 200 | I/O — General-purpose user I/O |
| Broche 201 | I/O — General-purpose user I/O |
| Broche 202 | VCCIO — I/O supply (3.3 V or 5 V) |
| Broche 203 | I/O — General-purpose user I/O |
| Broche 204 | I/O — General-purpose user I/O |
| Broche 205 | I/O — General-purpose user I/O |
| Broche 206 | GND — Ground |
| Broche 207 | I/O — General-purpose user I/O |
| Broche 208 | I/O — General-purpose user I/O |
| Broche 209 | I/O — General-purpose user I/O |
| Broche 210 | I/O — General-purpose user I/O |
| Broche 211 | I/O — General-purpose user I/O |
| Broche 212 | VCCINT — Core 5 V supply |
| Broche 213 | I/O — General-purpose user I/O |
| Broche 214 | I/O — General-purpose user I/O |
| Broche 215 | GND — Ground |
| Broche 216 | I/O — General-purpose user I/O |
| Broche 217 | I/O — General-purpose user I/O |
| Broche 218 | I/O — General-purpose user I/O |
| Broche 219 | I/O — General-purpose user I/O |
| Broche 220 | VCCIO — I/O supply (3.3 V or 5 V) |
| Broche 221 | I/O — General-purpose user I/O |
| Broche 222 | I/O — General-purpose user I/O |
| Broche 223 | I/O — General-purpose user I/O |
| Broche 224 | GND — Ground |
| Broche 225 | I/O — General-purpose user I/O |
| Broche 226 | I/O — General-purpose user I/O |
| Broche 227 | I/O — General-purpose user I/O |
| Broche 228 | I/O — General-purpose user I/O |
| Broche 229 | I/O — General-purpose user I/O |
| Broche 230 | VCCINT — Core 5 V supply |
| Broche 231 | I/O — General-purpose user I/O |
| Broche 232 | I/O — General-purpose user I/O |
| Broche 233 | GND — Ground |
| Broche 234 | I/O — General-purpose user I/O |
| Broche 235 | I/O — General-purpose user I/O |
| Broche 236 | I/O — General-purpose user I/O |
| Broche 237 | I/O — General-purpose user I/O |
| Broche 238 | VCCIO — I/O supply (3.3 V or 5 V) |
| Broche 239 | I/O — General-purpose user I/O |
| Broche 240 | I/O — General-purpose user I/O |
Applications typiques
EPF10K30RI240-4N convient pour 6 applications: 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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour EPF10K30RI240-4N — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | 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) |
Principaux différenciateurs
- 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)
Notes de conception
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.
Informations de conformité
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.