EPF10K100ARI240-3N - 100K-Gate FLEX 10KA FPGA, 240-RQFP | Intel
MPN: EPF10K100ARI240-3N ⚠ Lần mua cuốiEPF10K100ARI240-3N Tóm tắt
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.
Bộ thay thế dễ dàng lắp đặt cho EPF10K100ARI240-3N — 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 EPF10K100ARI240-3N (cùng hình factor và footprint) — khác nhau ở Speed Grade, Process Technology, Operating Temperature, Propagation Delay, Mounting Type.
EPF10K100ARI240-3
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EPF10K100ARC240-3N
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EPF10K100ARC240-1N
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
EPF10K100ARC240-2
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EPF10K100ARC240-1
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EPF10K100ARC240-2N
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
EPF10K100ARI240-3N Tỷ lệ tối đa & tính chất điện
| 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 |
| Hộp | 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) |
| Nhiệt độ hoạt động | -40 °C to +85 °C (Industrial) |
| Speed Grade | -3N (industrial) |
| Kiểu lắp đặt | Surface Mount (RQFP, gull-wing) |
Cấu hình chân EPF10K100ARI240-3N
| Chân 1 | I/O — User I/O (bank 1) |
| Chân 2 | I/O — User I/O (bank 1) |
| Chân 3 | I/O — User I/O (bank 1) |
| Chân 4 | I/O — User I/O (bank 1) |
| Chân 5 | I/O — User I/O (bank 1) |
| Chân 6 | I/O — User I/O (bank 1) |
| Chân 7 | VCCINT — Core supply 3.3 V |
| Chân 8 | I/O — User I/O (bank 1) |
| Chân 9 | I/O — User I/O (bank 1) |
| Chân 10 | I/O — User I/O (bank 1) |
| Chân 11 | GND — Ground |
| Chân 12 | I/O — User I/O (bank 1) |
| Chân 13 | I/O — User I/O (bank 1) |
| Chân 14 | TDI — JTAG Test Data In |
| Chân 15 | TMS — JTAG Test Mode Select |
| Chân 16 | TCK — JTAG Test Clock |
| Chân 17 | nSTATUS — Configuration status (open-drain) |
| Chân 18 | nCONFIG — Configuration control (active-low) |
| Chân 19 | CONF_DONE — Configuration done (open-drain) |
| Chân 20 | DCLK — Configuration clock |
| Chân 21 | DATA0 — Configuration data input |
| Chân 22 | VCCIO — I/O supply (bank 1) |
| Chân 23 | I/O — User I/O (bank 2) |
| Chân 24 | I/O — User I/O (bank 2) |
| Chân 25 | GND — Ground |
| Chân 26 | I/O — User I/O (bank 2) |
| Chân 27 | I/O — User I/O (bank 2) |
| Chân 28 | VCCIO — I/O supply (bank 2) |
| Chân 29 | I/O — User I/O (bank 2) |
| Chân 30 | I/O — User I/O (bank 2) |
| Chân 31 | I/O — User I/O (bank 2) |
| Chân 32 | GND — Ground |
| Chân 33 | I/O — User I/O (bank 2) |
| Chân 34 | I/O — User I/O (bank 2) |
| Chân 35 | I/O — User I/O (bank 2) |
| Chân 36 | VCCINT — Core supply 3.3 V |
| Chân 37 | I/O — User I/O (bank 2) |
| Chân 38 | I/O — User I/O (bank 3) |
| Chân 39 | I/O — User I/O (bank 3) |
| Chân 40 | I/O — User I/O (bank 3) |
| Chân 41 | GND — Ground |
| Chân 42 | I/O — User I/O (bank 3) |
| Chân 43 | I/O — User I/O (bank 3) |
| Chân 44 | VCCIO — I/O supply (bank 3) |
| Chân 45 | I/O — User I/O (bank 3) |
| Chân 46 | I/O — User I/O (bank 3) |
| Chân 47 | I/O — User I/O (bank 3) |
| Chân 48 | I/O — User I/O (bank 3) |
| Chân 49 | GND — Ground |
| Chân 50 | I/O — User I/O (bank 3) |
| Chân 51 | I/O — User I/O (bank 3) |
| Chân 52 | I/O — User I/O (bank 3) |
| Chân 53 | I/O — User I/O (bank 3) |
| Chân 54 | VCCINT — Core supply 3.3 V |
| Chân 55 | I/O — User I/O (bank 4) |
| Chân 56 | I/O — User I/O (bank 4) |
| Chân 57 | I/O — User I/O (bank 4) |
| Chân 58 | GND — Ground |
| Chân 59 | I/O — User I/O (bank 4) |
| Chân 60 | I/O — User I/O (bank 4) |
| Chân 61 | VCCIO — I/O supply (bank 4) |
| Chân 62 | I/O — User I/O (bank 4) |
| Chân 63 | I/O — User I/O (bank 4) |
| Chân 64 | I/O — User I/O (bank 4) |
| Chân 65 | I/O — User I/O (bank 4) |
| Chân 66 | GND — Ground |
| Chân 67 | I/O — User I/O (bank 4) |
| Chân 68 | I/O — User I/O (bank 4) |
| Chân 69 | I/O — User I/O (bank 4) |
| Chân 70 | I/O — User I/O (bank 4) |
| Chân 71 | VCCINT — Core supply 3.3 V |
| Chân 72 | I/O — User I/O (bank 5) |
| Chân 73 | I/O — User I/O (bank 5) |
| Chân 74 | I/O — User I/O (bank 5) |
| Chân 75 | GND — Ground |
| Chân 76 | I/O — User I/O (bank 5) |
| Chân 77 | I/O — User I/O (bank 5) |
| Chân 78 | VCCIO — I/O supply (bank 5) |
| Chân 79 | I/O — User I/O (bank 5) |
| Chân 80 | I/O — User I/O (bank 5) |
| Chân 81 | I/O — User I/O (bank 5) |
| Chân 82 | I/O — User I/O (bank 5) |
| Chân 83 | GND — Ground |
| Chân 84 | I/O — User I/O (bank 5) |
| Chân 85 | I/O — User I/O (bank 5) |
| Chân 86 | I/O — User I/O (bank 5) |
| Chân 87 | I/O — User I/O (bank 5) |
| Chân 88 | VCCINT — Core supply 3.3 V |
| Chân 89 | I/O — User I/O (bank 6) |
| Chân 90 | I/O — User I/O (bank 6) |
| Chân 91 | GND — Ground |
| Chân 92 | I/O — User I/O (bank 6) |
| Chân 93 | I/O — User I/O (bank 6) |
| Chân 94 | VCCIO — I/O supply (bank 6) |
| Chân 95 | I/O — User I/O (bank 6) |
| Chân 96 | I/O — User I/O (bank 6) |
| Chân 97 | I/O — User I/O (bank 6) |
| Chân 98 | I/O — User I/O (bank 6) |
| Chân 99 | GND — Ground |
| Chân 100 | I/O — User I/O (bank 6) |
| Chân 101 | I/O — User I/O (bank 6) |
| Chân 102 | I/O — User I/O (bank 6) |
| Chân 103 | I/O — User I/O (bank 6) |
| Chân 104 | VCCINT — Core supply 3.3 V |
| Chân 105 | I/O — User I/O (bank 7) |
| Chân 106 | I/O — User I/O (bank 7) |
| Chân 107 | GND — Ground |
| Chân 108 | I/O — User I/O (bank 7) |
| Chân 109 | I/O — User I/O (bank 7) |
| Chân 110 | VCCIO — I/O supply (bank 7) |
| Chân 111 | I/O — User I/O (bank 7) |
| Chân 112 | I/O — User I/O (bank 7) |
| Chân 113 | I/O — User I/O (bank 7) |
| Chân 114 | GND — Ground |
| Chân 115 | I/O — User I/O (bank 7) |
| Chân 116 | I/O — User I/O (bank 7) |
| Chân 117 | I/O — User I/O (bank 7) |
| Chân 118 | I/O — User I/O (bank 7) |
| Chân 119 | VCCINT — Core supply 3.3 V |
| Chân 120 | I/O — User I/O (bank 8) |
| Chân 121 | I/O — User I/O (bank 8) |
| Chân 122 | GND — Ground |
| Chân 123 | I/O — User I/O (bank 8) |
| Chân 124 | I/O — User I/O (bank 8) |
| Chân 125 | VCCIO — I/O supply (bank 8) |
| Chân 126 | I/O — User I/O (bank 8) |
| Chân 127 | I/O — User I/O (bank 8) |
| Chân 128 | I/O — User I/O (bank 8) |
| Chân 129 | I/O — User I/O (bank 8) |
| Chân 130 | GND — Ground |
| Chân 131 | I/O — User I/O (bank 8) |
| Chân 132 | I/O — User I/O (bank 8) |
| Chân 133 | I/O — User I/O (bank 8) |
| Chân 134 | I/O — User I/O (bank 8) |
| Chân 135 | VCCINT — Core supply 3.3 V |
| Chân 136 | I/O — User I/O (bank 1) |
| Chân 137 | GND — Ground |
| Chân 138 | I/O — User I/O (bank 1) |
| Chân 139 | I/O — User I/O (bank 1) |
| Chân 140 | VCCIO — I/O supply (bank 1) |
| Chân 141 | I/O — User I/O (bank 1) |
| Chân 142 | I/O — User I/O (bank 1) |
| Chân 143 | I/O — User I/O (bank 1) |
| Chân 144 | I/O — User I/O (bank 1) |
| Chân 145 | GND — Ground |
| Chân 146 | I/O — User I/O (bank 1) |
| Chân 147 | I/O — User I/O (bank 1) |
| Chân 148 | I/O — User I/O (bank 1) |
| Chân 149 | I/O — User I/O (bank 1) |
| Chân 150 | VCCINT — Core supply 3.3 V |
| Chân 151 | I/O — User I/O (bank 2) |
| Chân 152 | I/O — User I/O (bank 2) |
| Chân 153 | I/O — User I/O (bank 2) |
| Chân 154 | GND — Ground |
| Chân 155 | I/O — User I/O (bank 2) |
| Chân 156 | I/O — User I/O (bank 2) |
| Chân 157 | VCCIO — I/O supply (bank 2) |
| Chân 158 | I/O — User I/O (bank 2) |
| Chân 159 | I/O — User I/O (bank 2) |
| Chân 160 | I/O — User I/O (bank 2) |
| Chân 161 | I/O — User I/O (bank 2) |
| Chân 162 | GND — Ground |
| Chân 163 | I/O — User I/O (bank 2) |
| Chân 164 | I/O — User I/O (bank 2) |
| Chân 165 | I/O — User I/O (bank 2) |
| Chân 166 | I/O — User I/O (bank 2) |
| Chân 167 | VCCINT — Core supply 3.3 V |
| Chân 168 | I/O — User I/O (bank 3) |
| Chân 169 | I/O — User I/O (bank 3) |
| Chân 170 | I/O — User I/O (bank 3) |
| Chân 171 | GND — Ground |
| Chân 172 | I/O — User I/O (bank 3) |
| Chân 173 | I/O — User I/O (bank 3) |
| Chân 174 | VCCIO — I/O supply (bank 3) |
| Chân 175 | I/O — User I/O (bank 3) |
| Chân 176 | I/O — User I/O (bank 3) |
| Chân 177 | I/O — User I/O (bank 3) |
| Chân 178 | I/O — User I/O (bank 3) |
| Chân 179 | GND — Ground |
| Chân 180 | I/O — User I/O (bank 3) |
| Chân 181 | I/O — User I/O (bank 3) |
| Chân 182 | I/O — User I/O (bank 3) |
| Chân 183 | I/O — User I/O (bank 3) |
| Chân 184 | VCCINT — Core supply 3.3 V |
| Chân 185 | I/O — User I/O (bank 4) |
| Chân 186 | I/O — User I/O (bank 4) |
| Chân 187 | GND — Ground |
| Chân 188 | I/O — User I/O (bank 4) |
| Chân 189 | I/O — User I/O (bank 4) |
| Chân 190 | VCCIO — I/O supply (bank 4) |
| Chân 191 | I/O — User I/O (bank 4) |
| Chân 192 | I/O — User I/O (bank 4) |
| Chân 193 | I/O — User I/O (bank 4) |
| Chân 194 | I/O — User I/O (bank 4) |
| Chân 195 | GND — Ground |
| Chân 196 | I/O — User I/O (bank 4) |
| Chân 197 | I/O — User I/O (bank 4) |
| Chân 198 | I/O — User I/O (bank 4) |
| Chân 199 | I/O — User I/O (bank 4) |
| Chân 200 | VCCINT — Core supply 3.3 V |
| Chân 201 | I/O — User I/O (bank 5) |
| Chân 202 | I/O — User I/O (bank 5) |
| Chân 203 | I/O — User I/O (bank 5) |
| Chân 204 | GND — Ground |
| Chân 205 | I/O — User I/O (bank 5) |
| Chân 206 | I/O — User I/O (bank 5) |
| Chân 207 | VCCIO — I/O supply (bank 5) |
| Chân 208 | I/O — User I/O (bank 5) |
| Chân 209 | I/O — User I/O (bank 5) |
| Chân 210 | I/O — User I/O (bank 5) |
| Chân 211 | I/O — User I/O (bank 5) |
| Chân 212 | GND — Ground |
| Chân 213 | I/O — User I/O (bank 5) |
| Chân 214 | I/O — User I/O (bank 5) |
| Chân 215 | I/O — User I/O (bank 5) |
| Chân 216 | I/O — User I/O (bank 5) |
| Chân 217 | VCCINT — Core supply 3.3 V |
| Chân 218 | I/O — User I/O (bank 6) |
| Chân 219 | I/O — User I/O (bank 6) |
| Chân 220 | GND — Ground |
| Chân 221 | I/O — User I/O (bank 6) |
| Chân 222 | I/O — User I/O (bank 6) |
| Chân 223 | VCCIO — I/O supply (bank 6) |
| Chân 224 | I/O — User I/O (bank 6) |
| Chân 225 | I/O — User I/O (bank 6) |
| Chân 226 | I/O — User I/O (bank 6) |
| Chân 227 | I/O — User I/O (bank 6) |
| Chân 228 | GND — Ground |
| Chân 229 | I/O — User I/O (bank 6) |
| Chân 230 | I/O — User I/O (bank 6) |
| Chân 231 | I/O — User I/O (bank 6) |
| Chân 232 | I/O — User I/O (bank 6) |
| Chân 233 | VCCINT — Core supply 3.3 V |
| Chân 234 | I/O — User I/O (bank 7) |
| Chân 235 | I/O — User I/O (bank 7) |
| Chân 236 | GND — Ground |
| Chân 237 | I/O — User I/O (bank 7) |
| Chân 238 | I/O — User I/O (bank 7) |
| Chân 239 | TDO — JTAG Test Data Out |
| Chân 240 | VCCIO — I/O supply (bank 7/8 reference) |
Ứng dụng tiêu biểu
EPF10K100ARI240-3N phù hợp cho 6 Áp dụngs: 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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho EPF10K100ARI240-3N — 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 | 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 |
Bảo phân biệt quan trọng
- Industrial temperature -3N timing combines harsh-environment operation with cost-effective medium-speed timing (vsEPF10K100ARI240-3)
- Faster -1N speed grade option for timing-critical designs (vsEPF10K100ARC240-3N)
- FLEX 10KA family maturity with Quartus II 13.0sp1 long-term tool support (vsCyclone series)
Ghi chú thiết kế
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.
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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.
