EPF10K100ARI240-3N - 100K-Gate FLEX 10KA FPGA, 240-RQFP | Intel
MPN: EPF10K100ARI240-3N ⚠ آخرین فرصت خریدEPF10K100ARI240-3N نمای کلی
What is an FPGA? An FPGA (Field-Programmable Gate Array) is a programmable logic device whose logic fabric, routing, and I/O cells can be configured by the end user via a hardware description language such as VHDL or Verilog. Within the broader taxonomy of integrated circuits, FPGAs sit between CPLDs (smaller, non-volatile) and ASICs (custom-silicon, high NRE). The FLEX 10KA family was the industry's first embedded programmable logic family, providing System-on-a-Programmable-Chip (SOPC) integration by combining an embedded array block (EAB) for megafunctions and memory with a logic array block (LAB) fabric. The EPF10K100A is the largest-density member of the family.
Key features of the EPF10K100ARI240-3N include MultiVolt I/O (supporting 2.5 V, 3.3 V, and 5.0 V interface levels on a per-pin basis via VCCIO), PCI-compliant clamping diodes with slew-rate control, individual open-drain output options, and dedicated global clock networks. The embedded array blocks deliver efficient on-chip memory, typically configured as 4,096-bit RAM per EAB. Combined with 624 LABs, the device supports up to 125 MHz internal operation and approximately 100,000 typical gates (4,992 logic elements).
Typical applications include glue logic and bus bridging in industrial controllers, telecommunications backplane interfaces, PCI bridge prototyping, and legacy system refresh designs where the FLEX 10KA silicon is already qualified. The RQFP-240 footprint has been in continuous production since the late 1990s, and Intel/Altera continues to ship the part for long-lifecycle programs in medical, defense, and industrial automation.
When designing with this FPGA, allocate adequate decoupling (100 µF bulk + 0.1 µF per VCC/VCCIO pin pair) and a minimum of four-layer PCB with dedicated power and ground planes. Use the Quartus II 13.0sp1 (the final version supporting FLEX 10KA) for design entry and ACEX 1K / FLEX 10K device programming via ByteBlasterMV or a compatible JTAG cable.
This page synthesizes distributor pricing, FLEX 10KA drop-in alternatives, and practical legacy-design notes not consolidated in the original manufacturer datasheet, helping engineers plan both new designs and long-term maintenance of installed bases.
جایگزین‌های drop-in برای EPF10K100ARI240-3N — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
گونه‌ها در این سری
مدل‌های هم‌سری که جایگزین مستقیم هستند برای EPF10K100ARI240-3N (همان فرم‌فاکتور و فوت‌پرینت) — متفاوت در Speed Grade, Process Technology, Operating Temperature, Propagation Delay, Mounting Type.
EPF10K100ARI240-3
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←EPF10K100ARC240-3N
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←EPF10K100ARC240-1N
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
EPF10K100ARC240-2
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←EPF10K100ARC240-1
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←EPF10K100ARC240-2N
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشده📋 جایگزین مرجع (خارج از کاتالوگ)
EPF10K100ARI240-3N حداکثر مقادیر مجاز و مشخصات الکتریکی
| Family | FLEX 10KA |
| Logic Elements / Cells | 4,992 |
| Typical Gate Count | 100,000 gates |
| Embedded RAM Bits | 24,576 bits |
| Logic Array Blocks (LABs) | 624 |
| User I/Os | 189 |
| بسته‌بندی | 240-RQFP Exposed Pad (32x32 mm) |
| Pins | 240 |
| Propagation Delay (tpd) | 0.6 ns |
| Maximum Internal Frequency | 125 MHz |
| Process Technology | 0.30 µm CMOS SRAM |
| Supply Voltage (VCCINT) | 3.3 V |
| I/O Voltage (VCCIO) | 2.5 V / 3.3 V / 5.0 V (MultiVolt) |
| دمای کاری | -40 °C to +85 °C (Industrial) |
| Speed Grade | -3N (industrial) |
| نوع نصب | Surface Mount (RQFP, gull-wing) |
پیکربندی پین EPF10K100ARI240-3N
| پین 1 | I/O — User I/O (bank 1) |
| پین 2 | I/O — User I/O (bank 1) |
| پین 3 | I/O — User I/O (bank 1) |
| پین 4 | I/O — User I/O (bank 1) |
| پین 5 | I/O — User I/O (bank 1) |
| پین 6 | I/O — User I/O (bank 1) |
| پین 7 | VCCINT — Core supply 3.3 V |
| پین 8 | I/O — User I/O (bank 1) |
| پین 9 | I/O — User I/O (bank 1) |
| پین 10 | I/O — User I/O (bank 1) |
| پین 11 | GND — Ground |
| پین 12 | I/O — User I/O (bank 1) |
| پین 13 | I/O — User I/O (bank 1) |
| پین 14 | TDI — JTAG Test Data In |
| پین 15 | TMS — JTAG Test Mode Select |
| پین 16 | TCK — JTAG Test Clock |
| پین 17 | nSTATUS — Configuration status (open-drain) |
| پین 18 | nCONFIG — Configuration control (active-low) |
| پین 19 | CONF_DONE — Configuration done (open-drain) |
| پین 20 | DCLK — Configuration clock |
| پین 21 | DATA0 — Configuration data input |
| پین 22 | VCCIO — I/O supply (bank 1) |
| پین 23 | I/O — User I/O (bank 2) |
| پین 24 | I/O — User I/O (bank 2) |
| پین 25 | GND — Ground |
| پین 26 | I/O — User I/O (bank 2) |
| پین 27 | I/O — User I/O (bank 2) |
| پین 28 | VCCIO — I/O supply (bank 2) |
| پین 29 | I/O — User I/O (bank 2) |
| پین 30 | I/O — User I/O (bank 2) |
| پین 31 | I/O — User I/O (bank 2) |
| پین 32 | GND — Ground |
| پین 33 | I/O — User I/O (bank 2) |
| پین 34 | I/O — User I/O (bank 2) |
| پین 35 | I/O — User I/O (bank 2) |
| پین 36 | VCCINT — Core supply 3.3 V |
| پین 37 | I/O — User I/O (bank 2) |
| پین 38 | I/O — User I/O (bank 3) |
| پین 39 | I/O — User I/O (bank 3) |
| پین 40 | I/O — User I/O (bank 3) |
| پین 41 | GND — Ground |
| پین 42 | I/O — User I/O (bank 3) |
| پین 43 | I/O — User I/O (bank 3) |
| پین 44 | VCCIO — I/O supply (bank 3) |
| پین 45 | I/O — User I/O (bank 3) |
| پین 46 | I/O — User I/O (bank 3) |
| پین 47 | I/O — User I/O (bank 3) |
| پین 48 | I/O — User I/O (bank 3) |
| پین 49 | GND — Ground |
| پین 50 | I/O — User I/O (bank 3) |
| پین 51 | I/O — User I/O (bank 3) |
| پین 52 | I/O — User I/O (bank 3) |
| پین 53 | I/O — User I/O (bank 3) |
| پین 54 | VCCINT — Core supply 3.3 V |
| پین 55 | I/O — User I/O (bank 4) |
| پین 56 | I/O — User I/O (bank 4) |
| پین 57 | I/O — User I/O (bank 4) |
| پین 58 | GND — Ground |
| پین 59 | I/O — User I/O (bank 4) |
| پین 60 | I/O — User I/O (bank 4) |
| پین 61 | VCCIO — I/O supply (bank 4) |
| پین 62 | I/O — User I/O (bank 4) |
| پین 63 | I/O — User I/O (bank 4) |
| پین 64 | I/O — User I/O (bank 4) |
| پین 65 | I/O — User I/O (bank 4) |
| پین 66 | GND — Ground |
| پین 67 | I/O — User I/O (bank 4) |
| پین 68 | I/O — User I/O (bank 4) |
| پین 69 | I/O — User I/O (bank 4) |
| پین 70 | I/O — User I/O (bank 4) |
| پین 71 | VCCINT — Core supply 3.3 V |
| پین 72 | I/O — User I/O (bank 5) |
| پین 73 | I/O — User I/O (bank 5) |
| پین 74 | I/O — User I/O (bank 5) |
| پین 75 | GND — Ground |
| پین 76 | I/O — User I/O (bank 5) |
| پین 77 | I/O — User I/O (bank 5) |
| پین 78 | VCCIO — I/O supply (bank 5) |
| پین 79 | I/O — User I/O (bank 5) |
| پین 80 | I/O — User I/O (bank 5) |
| پین 81 | I/O — User I/O (bank 5) |
| پین 82 | I/O — User I/O (bank 5) |
| پین 83 | GND — Ground |
| پین 84 | I/O — User I/O (bank 5) |
| پین 85 | I/O — User I/O (bank 5) |
| پین 86 | I/O — User I/O (bank 5) |
| پین 87 | I/O — User I/O (bank 5) |
| پین 88 | VCCINT — Core supply 3.3 V |
| پین 89 | I/O — User I/O (bank 6) |
| پین 90 | I/O — User I/O (bank 6) |
| پین 91 | GND — Ground |
| پین 92 | I/O — User I/O (bank 6) |
| پین 93 | I/O — User I/O (bank 6) |
| پین 94 | VCCIO — I/O supply (bank 6) |
| پین 95 | I/O — User I/O (bank 6) |
| پین 96 | I/O — User I/O (bank 6) |
| پین 97 | I/O — User I/O (bank 6) |
| پین 98 | I/O — User I/O (bank 6) |
| پین 99 | GND — Ground |
| پین 100 | I/O — User I/O (bank 6) |
| پین 101 | I/O — User I/O (bank 6) |
| پین 102 | I/O — User I/O (bank 6) |
| پین 103 | I/O — User I/O (bank 6) |
| پین 104 | VCCINT — Core supply 3.3 V |
| پین 105 | I/O — User I/O (bank 7) |
| پین 106 | I/O — User I/O (bank 7) |
| پین 107 | GND — Ground |
| پین 108 | I/O — User I/O (bank 7) |
| پین 109 | I/O — User I/O (bank 7) |
| پین 110 | VCCIO — I/O supply (bank 7) |
| پین 111 | I/O — User I/O (bank 7) |
| پین 112 | I/O — User I/O (bank 7) |
| پین 113 | I/O — User I/O (bank 7) |
| پین 114 | GND — Ground |
| پین 115 | I/O — User I/O (bank 7) |
| پین 116 | I/O — User I/O (bank 7) |
| پین 117 | I/O — User I/O (bank 7) |
| پین 118 | I/O — User I/O (bank 7) |
| پین 119 | VCCINT — Core supply 3.3 V |
| پین 120 | I/O — User I/O (bank 8) |
| پین 121 | I/O — User I/O (bank 8) |
| پین 122 | GND — Ground |
| پین 123 | I/O — User I/O (bank 8) |
| پین 124 | I/O — User I/O (bank 8) |
| پین 125 | VCCIO — I/O supply (bank 8) |
| پین 126 | I/O — User I/O (bank 8) |
| پین 127 | I/O — User I/O (bank 8) |
| پین 128 | I/O — User I/O (bank 8) |
| پین 129 | I/O — User I/O (bank 8) |
| پین 130 | GND — Ground |
| پین 131 | I/O — User I/O (bank 8) |
| پین 132 | I/O — User I/O (bank 8) |
| پین 133 | I/O — User I/O (bank 8) |
| پین 134 | I/O — User I/O (bank 8) |
| پین 135 | VCCINT — Core supply 3.3 V |
| پین 136 | I/O — User I/O (bank 1) |
| پین 137 | GND — Ground |
| پین 138 | I/O — User I/O (bank 1) |
| پین 139 | I/O — User I/O (bank 1) |
| پین 140 | VCCIO — I/O supply (bank 1) |
| پین 141 | I/O — User I/O (bank 1) |
| پین 142 | I/O — User I/O (bank 1) |
| پین 143 | I/O — User I/O (bank 1) |
| پین 144 | I/O — User I/O (bank 1) |
| پین 145 | GND — Ground |
| پین 146 | I/O — User I/O (bank 1) |
| پین 147 | I/O — User I/O (bank 1) |
| پین 148 | I/O — User I/O (bank 1) |
| پین 149 | I/O — User I/O (bank 1) |
| پین 150 | VCCINT — Core supply 3.3 V |
| پین 151 | I/O — User I/O (bank 2) |
| پین 152 | I/O — User I/O (bank 2) |
| پین 153 | I/O — User I/O (bank 2) |
| پین 154 | GND — Ground |
| پین 155 | I/O — User I/O (bank 2) |
| پین 156 | I/O — User I/O (bank 2) |
| پین 157 | VCCIO — I/O supply (bank 2) |
| پین 158 | I/O — User I/O (bank 2) |
| پین 159 | I/O — User I/O (bank 2) |
| پین 160 | I/O — User I/O (bank 2) |
| پین 161 | I/O — User I/O (bank 2) |
| پین 162 | GND — Ground |
| پین 163 | I/O — User I/O (bank 2) |
| پین 164 | I/O — User I/O (bank 2) |
| پین 165 | I/O — User I/O (bank 2) |
| پین 166 | I/O — User I/O (bank 2) |
| پین 167 | VCCINT — Core supply 3.3 V |
| پین 168 | I/O — User I/O (bank 3) |
| پین 169 | I/O — User I/O (bank 3) |
| پین 170 | I/O — User I/O (bank 3) |
| پین 171 | GND — Ground |
| پین 172 | I/O — User I/O (bank 3) |
| پین 173 | I/O — User I/O (bank 3) |
| پین 174 | VCCIO — I/O supply (bank 3) |
| پین 175 | I/O — User I/O (bank 3) |
| پین 176 | I/O — User I/O (bank 3) |
| پین 177 | I/O — User I/O (bank 3) |
| پین 178 | I/O — User I/O (bank 3) |
| پین 179 | GND — Ground |
| پین 180 | I/O — User I/O (bank 3) |
| پین 181 | I/O — User I/O (bank 3) |
| پین 182 | I/O — User I/O (bank 3) |
| پین 183 | I/O — User I/O (bank 3) |
| پین 184 | VCCINT — Core supply 3.3 V |
| پین 185 | I/O — User I/O (bank 4) |
| پین 186 | I/O — User I/O (bank 4) |
| پین 187 | GND — Ground |
| پین 188 | I/O — User I/O (bank 4) |
| پین 189 | I/O — User I/O (bank 4) |
| پین 190 | VCCIO — I/O supply (bank 4) |
| پین 191 | I/O — User I/O (bank 4) |
| پین 192 | I/O — User I/O (bank 4) |
| پین 193 | I/O — User I/O (bank 4) |
| پین 194 | I/O — User I/O (bank 4) |
| پین 195 | GND — Ground |
| پین 196 | I/O — User I/O (bank 4) |
| پین 197 | I/O — User I/O (bank 4) |
| پین 198 | I/O — User I/O (bank 4) |
| پین 199 | I/O — User I/O (bank 4) |
| پین 200 | VCCINT — Core supply 3.3 V |
| پین 201 | I/O — User I/O (bank 5) |
| پین 202 | I/O — User I/O (bank 5) |
| پین 203 | I/O — User I/O (bank 5) |
| پین 204 | GND — Ground |
| پین 205 | I/O — User I/O (bank 5) |
| پین 206 | I/O — User I/O (bank 5) |
| پین 207 | VCCIO — I/O supply (bank 5) |
| پین 208 | I/O — User I/O (bank 5) |
| پین 209 | I/O — User I/O (bank 5) |
| پین 210 | I/O — User I/O (bank 5) |
| پین 211 | I/O — User I/O (bank 5) |
| پین 212 | GND — Ground |
| پین 213 | I/O — User I/O (bank 5) |
| پین 214 | I/O — User I/O (bank 5) |
| پین 215 | I/O — User I/O (bank 5) |
| پین 216 | I/O — User I/O (bank 5) |
| پین 217 | VCCINT — Core supply 3.3 V |
| پین 218 | I/O — User I/O (bank 6) |
| پین 219 | I/O — User I/O (bank 6) |
| پین 220 | GND — Ground |
| پین 221 | I/O — User I/O (bank 6) |
| پین 222 | I/O — User I/O (bank 6) |
| پین 223 | VCCIO — I/O supply (bank 6) |
| پین 224 | I/O — User I/O (bank 6) |
| پین 225 | I/O — User I/O (bank 6) |
| پین 226 | I/O — User I/O (bank 6) |
| پین 227 | I/O — User I/O (bank 6) |
| پین 228 | GND — Ground |
| پین 229 | I/O — User I/O (bank 6) |
| پین 230 | I/O — User I/O (bank 6) |
| پین 231 | I/O — User I/O (bank 6) |
| پین 232 | I/O — User I/O (bank 6) |
| پین 233 | VCCINT — Core supply 3.3 V |
| پین 234 | I/O — User I/O (bank 7) |
| پین 235 | I/O — User I/O (bank 7) |
| پین 236 | GND — Ground |
| پین 237 | I/O — User I/O (bank 7) |
| پین 238 | I/O — User I/O (bank 7) |
| پین 239 | TDO — JTAG Test Data Out |
| پین 240 | VCCIO — I/O supply (bank 7/8 reference) |
کاربردهای معمول
EPF10K100ARI240-3N مناسب است برای 6 کاربردs: Industrial PLC and Factory Automation Controllers, Telecommunications Backplane Bridging and TDM Multiplexers, PCI Bus Bridge and Industrial PC Add-in Card Designs, Medical Imaging and Diagnostic Equipment Front-End, Defense and Avionics Legacy Avionics Bus Interfaces, Legacy Test and Measurement Instrumentation.
Industrial PLC and Factory Automation Controllers
The EPF10K100ARI240-3N is well-suited for legacy industrial PLC and factory automation controllers where its 100,000-gate capacity, 189 MultiVolt I/Os, and -40 to +85 C industrial temperature range directly match the harsh factory-floor envelope. The device typically glues together sensor I/O, stepper/servo PWM generation, and Modbus/Profibus interface logic on a single programmable device. Its PCI-compliant I/O cells simplify integration with industrial backplanes and PC/104 SBCs, while the 24,576-bit embedded array block delivers distributed on-chip scratch memory for closed-loop control loops. Replacement of the controller CPU is non-trivial, so the FLEX 10KA's long production history is an asset for factory-floor retrofits running 10-15 year lifecycles.
پیشنهادی
Telecommunications Backplane Bridging and TDM Multiplexers
The EPF10K100ARI240-3N is widely deployed in legacy TDM (T1/E1/DS3) multiplexer and backplane-bridging designs where its 4,992 logic cells and dedicated global clock network deliver deterministic timing for 8.192 Mbps and 16.384 Mbps time-slot interchange fabrics. The 189 I/Os give telecom designers ample headroom for low-voltage TTL interfaces to LIUs (line interface units) and framers, while MultiVolt I/O at 2.5 V, 3.3 V, and 5.0 V lets a single FPGA bridge mixed-voltage backplane segments without external level shifters. Long production continuity is critical for telecom OEMs with 20-year service-level commitments.
پیشنهادی
PCI Bus Bridge and Industrial PC Add-in Card Designs
The EPF10K100ARI240-3N's PCI-compliant clamping diodes, slew-rate control, and 5 V-tolerant MultiVolt I/O make it an ideal PCI bridge or PCI target device in industrial PC and add-in card designs. Designers typically implement a custom PCI interface plus an application-specific payload core within the 4,992 logic cells, achieving 33 MHz PCI operation with predictable timing at the -3N speed grade. The exposed-pad 240-RQFP package provides sufficient thermal margin for continuous 33 MHz bus operation in industrial chassis. Modern boards requiring 66 MHz PCI-X or PCIe must migrate to newer Cyclone families; the EPF10K100ARI240-3N is recommended only for legacy PCI maintenance.
پیشنهادی
Medical Imaging and Diagnostic Equipment Front-End
The EPF10K100ARI240-3N fits medical imaging front-ends such as ultrasound beamformers and patient-monitor displays where deterministic, low-noise data acquisition paths matter. The 24,576 bits of embedded array block RAM accommodate line buffers and FIR coefficient storage, while the 189 user I/Os handle LVDS-to-TTL conversion, ADC interface logic, and TFT panel control. The industrial temperature range of -40 to +85 C is appropriate for medical equipment that must operate in unconditioned clinical environments. Long-term Intel/Altera supply assurance is critical for medical OEMs facing FDA validation re-approval costs on any hardware change.
پیشنهادی
Defense and Avionics Legacy Avionics Bus Interfaces
Defense and avionics platforms frequently embed the EPF10K100ARI240-3N in MIL-STD-1553 and ARINC 429 bus monitor cards, radar signal pre-processors, and ruggedized display controllers. Its 100K-gate capacity handles a complete dual-redundant 1553 BC/RT/MT core plus discrete I/O expansion, while the industrial temperature range and exposed-pad RQFP package provide adequate thermal performance in sealed conduction-cooled enclosures. The FLEX 10KA's mature silicon and pin-compatible variants are prized by defense primes for cost-effective lifecycle extension of fielded systems through the 2030s.
پیشنهادی
Legacy Test and Measurement Instrumentation
The EPF10K100ARI240-3N appears in bench-top oscilloscopes, logic analyzers, and protocol testers as a pattern generator or trigger sequencer. Its MultiVolt I/O allows direct interfacing to 1.8 V, 3.3 V, and 5 V DUTs without external translation, while the 189 user I/Os provide enough channels to drive parallel fixture pods for boundary-scan or memory test. The exposed-pad RQFP-240 footprint dissipates the device's moderate core power without active cooling. Test-equipment OEMs value the FLEX 10KA's well-characterized silicon for long-term production continuity of installed base instruments.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای EPF10K100ARI240-3N — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | EPF10K100ARI240-3 | EPF10K100ARC240-3N | EPF10K100ARC240-1N | EPF10K100ARC240-2 | EPF10K100ARC240-1 | EPF10K100ARC240-2N |
|---|---|---|---|---|---|---|---|
| Package | 240-RQFP Exposed Pad (32x32 mm) | 240-RQFP Exposed Pad - same | 240-RQFP Exposed Pad - same | 240-RQFP Exposed Pad - same | 240-RQFP Exposed Pad - same | 240-RQFP Exposed Pad - same | 240-RQFP Exposed Pad - same |
| Brand | Intel | Intel | Intel | Intel | Intel | Intel | Intel |
| Logic Cells | 4,992 | 4,992 | 4,992 | 4,992 | 4,992 | 4,992 | 4,992 |
| Typical Gates | 100,000 | 100,000 | 100,000 | 100,000 | 100,000 | 100,000 | 100,000 |
| Embedded RAM Bits | 24,576 | 24,576 | 24,576 | 24,576 | 24,576 | 24,576 | 24,576 |
| Speed Grade | -3 | -3 | -1 (faster) | -1 (faster) | -2 | -1 (faster) | -2 |
| Temperature Range | -40 to +85 C (Industrial) | 0 to +70 C (Commercial) | -40 to +85 C (Industrial) | -40 to +85 C (Industrial) | 0 to +70 C (Commercial) | 0 to +70 C (Commercial) | -40 to +85 C (Industrial) |
| User I/Os | 189 | 189 | 189 | 189 | 189 | 189 | 189 |
| VCCINT | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Lifecycle Status | Last Time Buy | Last Time Buy | Last Time Buy | Last Time Buy | Last Time Buy | Last Time Buy | Last Time Buy |
تفاوت‌های کلیدی
- Industrial temperature -3N timing combines harsh-environment operation with cost-effective medium-speed timing (در مقابلEPF10K100ARI240-3)
- Faster -1N speed grade option for timing-critical designs (در مقابلEPF10K100ARC240-3N)
- FLEX 10KA family maturity with Quartus II 13.0sp1 long-term tool support (در مقابلCyclone series)
یادداشت‌های طراحی
Estimated: With VCCINT at 3.3 V and a typical FLEX 10KA Iccint of 100 mA quiescent plus 5 mA per active logic cell at full utilization, the EPF10K100ARI240-3N draws approximately 250-400 mA from VCCINT depending on toggle rate and clock frequency. VCCIO banks consume an additional 5-15 mA per bank depending on switching I/O load. Place a 100 uF bulk capacitor within 25 mm of the package and a 0.1 uF ceramic bypass on every VCCINT and VCCIO pin pair. Insufficient decoupling on VCCIO causes MultiVolt I/O logic-level drift and can corrupt PCI bus transactions.
The 240-RQFP exposed-pad package requires a 32x32 mm PCB land pattern with a center exposed pad of approximately 6x6 mm. Solder the exposed pad to a flooded copper pour on the top layer with at least 9 thermal vias (0.3 mm drill, 0.5 mm pitch) to an internal ground plane. Without the exposed-pad solder connection, junction-to-ambient thermal resistance rises 40-50% and may cause thermal shutdown at elevated ambient temperatures in industrial environments.
Do not connect VCCIO to a voltage greater than 5.0 V or less than 2.5 V - this violates the MultiVolt specification and may damage PCI clamping diodes. Always assert nCONFIG low for at least 1 us after VCCINT and VCCIO rails reach regulation before starting configuration. Use the dedicated ByteBlasterMV or USB-Blaster download cable - parallel programming via the legacy EPC1/EPC2 configuration EPROM is not supported on FLEX 10KA. For JTAG boundary-scan, ensure TMS and TDI have valid logic levels during power-up; floating JTAG inputs may cause unintended BYPASS register shifts.
Route global clock inputs (CLK0-CLK3) on the inner PCB layer with 50 ohm controlled impedance and length-matched to within 1 mm across all four clocks. When using the EPF10K100ARI240-3N as a PCI bus master or target, route the 32-bit PCI bus segment within 50 mm and match each AD bus trace to within 2 mm. Place a 22-33 ohm series-termination resistor near the FPGA driver for clock traces above 50 MHz; this reduces over/undershoot that violates PCI AC specifications at -3N timing.
اطلاعات انطباق
Compliance status not explicitly stated in verified web data; the FLEX 10KA family predates the EU RoHS Directive 2002/95/EC effective dates and many original data sheets do not declare RoHS. Contact Intel/Altera or authorized distributors for current compliance documentation.
