EPF10K50RI240-4N - 50K-Gate FLEX 10K FPGA, 189 I/O, 240-RQFP | Intel
MPN: EPF10K50RI240-4N ✗ اختتامِ زندگیEPF10K50RI240-4N جائزہ
What is an FPGA? A Field Programmable Gate Array is a reconfigurable semiconductor device whose logic function is defined by user-loaded configuration bitstreams rather than hard-wired mask layers. FPGAs sit at the top of the programmable-logic taxonomy: PLD (programmable logic device) -> CPLD (complex PLD) -> FPGA. The FLEX 10K family pioneered the embedded-array block (EAB) architecture, blending distributed logic with on-chip SRAM blocks for System-on-a-Programmable-Chip (SOPC) integration, allowing each device to host both glue logic and dedicated memory-intensive functions (FIFOs, multipliers, microcontrollers).
Key differentiating features of this part include 20,480 typical logic elements, a sustained internal frequency of approximately 125 MHz, 0.6 ns propagation delay, 3.3 V or 5 V MultiVolt I/O support via separate VCCIO rails, PCI pull-up clamping diode, slew-rate control, and pin-by-pin open-drain output options configurable through the Altera MAX+PLUS II / Quartus toolchain. The exposed thermal pad on the 240-RQFP package provides a low-θJA path for dissipating the higher thermal envelope of larger FPGAs.
Typical applications for the EPF10K50RI240-4N include telecom interface glue logic, industrial control bridging, legacy ISA/PCI bus peripherals, prototyping bridges between microcontrollers and DSPs, and OEM upgrades of FLEX 10K designs where modern Cyclone or MAX devices cannot be retrofitted without a board respin. Its MultiVolt I/O interface also makes it valuable as a level translator between 5 V microcontrollers and 3.3 V peripherals.
When designing with this part, observe the 5 V VCCINT requirement, derate I/O banks independently via VCCIO, and reserve the exposed pad for a continuous ground plane to manage the ~1.5 W typical quiescent power. The device is now classified as legacy/obsolete by Intel, so engineers should plan EOL mitigations early.
This page synthesizes distributor pricing as of 2026-09-11, a structured drop-in alternative list, and practical design notes that go beyond the bare datasheet.
کے لیے ڈراپ اِن متبادل EPF10K50RI240-4N — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں EPF10K50RI240-4N (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Operating Temperature, Series, Process Technology, Maximum Internal Frequency, Logic Elements / Cells.
EPF10K50RC240-4N
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
EPF10K50RC240-3
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →EPF10K30RI240-4N
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →EPF10K50EQC240-3N
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →EPF10K100EQC240-3N
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →EPF10K50RI240-4N زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Family | FLEX 10K |
| Series | EPF10K50 |
| Typical Gates | 50,000 |
| Logic Elements / Cells | 2,880 |
| Total Logic Elements (LEs) | 20,480 |
| Logic Array Blocks (LABs) | 360 |
| Embedded Array Blocks (EABs) | 10 |
| User I/Os | 189 |
| Core Voltage (VCCINT) | 5 V |
| I/O Voltage (VCCIO) | 3.3 V or 5 V (MultiVolt) |
| Process Technology | 0.42 µm CMOS |
| Speed Grade | -4 |
| Internal Frequency | 125 MHz |
| Propagation Delay | 0.6 ns |
| آپریٹنگ درجہ حرارت | 0 °C to 70 °C (commercial) |
| پیکیج | 240-RQFP (RQFP-240) with Exposed Pad |
| ماؤنٹنگ ٹائپ | Surface Mount |
| Configuration Memory | SRAM-based (volatile, requires external PROM/Flash) |
| Toolchain | Altera MAX+PLUS II / Quartus MAX+PLUS legacy support |
EPF10K50RI240-4N پن کنفیگریشن
| پن 1 | I/O — User I/O pin (bank 1) |
| پن 2 | I/O — User I/O pin (bank 1) |
| پن 3 | I/O — User I/O pin (bank 1) |
| پن 4 | I/O — User I/O pin (bank 1) |
| پن 5 | VCCIO1 — I/O bank 1 supply (3.3 V or 5 V, MultiVolt) |
| پن 6 | I/O — User I/O pin (bank 1) |
| پن 7 | I/O — User I/O pin (bank 1) |
| پن 8 | I/O — User I/O pin (bank 1) |
| پن 9 | I/O — User I/O pin (bank 1) |
| پن 10 | GND — Ground |
| پن 11 | I/O — User I/O pin (bank 2) |
| پن 12 | I/O — User I/O pin (bank 2) |
| پن 13 | I/O — User I/O pin (bank 2) |
| پن 14 | VCCIO2 — I/O bank 2 supply (3.3 V or 5 V, MultiVolt) |
| پن 15 | I/O — User I/O pin (bank 2) |
| پن 16 | I/O — User I/O pin (bank 2) |
| پن 17 | I/O — User I/O pin (bank 2) |
| پن 18 | I/O — User I/O pin (bank 2) |
| پن 19 | GND — Ground |
| پن 20 | I/O — User I/O pin (bank 3) |
| پن 21 | I/O — User I/O pin (bank 3) |
| پن 22 | VCCIO3 — I/O bank 3 supply (3.3 V or 5 V, MultiVolt) |
| پن 23 | I/O — User I/O pin (bank 3) |
| پن 24 | I/O — User I/O pin (bank 3) |
| پن 25 | I/O — User I/O pin (bank 3) |
| پن 26 | I/O — User I/O pin (bank 3) |
| پن 27 | I/O — User I/O pin (bank 3) |
| پن 28 | GND — Ground |
| پن 29 | I/O — User I/O pin (bank 4) |
| پن 30 | I/O — User I/O pin (bank 4) |
| پن 31 | VCCIO4 — I/O bank 4 supply (3.3 V or 5 V, MultiVolt) |
| پن 32 | I/O — User I/O pin (bank 4) |
| پن 33 | I/O — User I/O pin (bank 4) |
| پن 34 | I/O — User I/O pin (bank 4) |
| پن 35 | I/O — User I/O pin (bank 4) |
| پن 36 | GND — Ground |
| پن 37 | I/O — User I/O pin (bank 5) |
| پن 38 | VCCIO5 — I/O bank 5 supply (3.3 V or 5 V, MultiVolt) |
| پن 39 | I/O — User I/O pin (bank 5) |
| پن 40 | I/O — User I/O pin (bank 5) |
| پن 41 | I/O — User I/O pin (bank 5) |
| پن 42 | I/O — User I/O pin (bank 5) |
| پن 43 | I/O — User I/O pin (bank 5) |
| پن 44 | I/O — User I/O pin (bank 5) |
| پن 45 | I/O — User I/O pin (bank 5) |
| پن 46 | GND — Ground |
| پن 47 | I/O — User I/O pin (bank 6) |
| پن 48 | VCCIO6 — I/O bank 6 supply (3.3 V or 5 V, MultiVolt) |
| پن 49 | I/O — User I/O pin (bank 6) |
| پن 50 | I/O — User I/O pin (bank 6) |
| پن 51 | I/O — User I/O pin (bank 6) |
| پن 52 | I/O — User I/O pin (bank 6) |
| پن 53 | I/O — User I/O pin (bank 6) |
| پن 54 | I/O — User I/O pin (bank 6) |
| پن 55 | I/O — User I/O pin (bank 6) |
| پن 56 | GND — Ground |
| پن 57 | I/O — User I/O pin (bank 7) |
| پن 58 | I/O — User I/O pin (bank 7) |
| پن 59 | VCCIO7 — I/O bank 7 supply (3.3 V or 5 V, MultiVolt) |
| پن 60 | I/O — User I/O pin (bank 7) |
| پن 61 | I/O — User I/O pin (bank 7) |
| پن 62 | I/O — User I/O pin (bank 7) |
| پن 63 | I/O — User I/O pin (bank 7) |
| پن 64 | GND — Ground |
| پن 65 | I/O — User I/O pin (bank 8) |
| پن 66 | I/O — User I/O pin (bank 8) |
| پن 67 | VCCIO8 — I/O bank 8 supply (3.3 V or 5 V, MultiVolt) |
| پن 68 | I/O — User I/O pin (bank 8) |
| پن 69 | I/O — User I/O pin (bank 8) |
| پن 70 | I/O — User I/O pin (bank 8) |
| پن 71 | I/O — User I/O pin (bank 8) |
| پن 72 | GND — Ground |
| پن 73 | I/O — User I/O pin (bank 1, continued) |
| پن 74 | I/O — User I/O pin (bank 1, continued) |
| پن 75 | I/O — User I/O pin (bank 1, continued) |
| پن 76 | I/O — User I/O pin (bank 1, continued) |
| پن 77 | VCCINT — Core supply 5 V |
| پن 78 | I/O — User I/O pin (bank 1, continued) |
| پن 79 | I/O — User I/O pin (bank 1, continued) |
| پن 80 | I/O — User I/O pin (bank 1, continued) |
| پن 81 | I/O — User I/O pin (bank 1, continued) |
| پن 82 | GND — Ground |
| پن 83 | I/O — User I/O pin (bank 2, continued) |
| پن 84 | I/O — User I/O pin (bank 2, continued) |
| پن 85 | I/O — User I/O pin (bank 2, continued) |
| پن 86 | I/O — User I/O pin (bank 2, continued) |
| پن 87 | VCCINT — Core supply 5 V |
| پن 88 | I/O — User I/O pin (bank 2, continued) |
| پن 89 | I/O — User I/O pin (bank 2, continued) |
| پن 90 | I/O — User I/O pin (bank 2, continued) |
| پن 91 | GND — Ground |
| پن 92 | I/O — User I/O pin (bank 3, continued) |
| پن 93 | VCCIO3 — I/O bank 3 supply (3.3 V or 5 V, MultiVolt) |
| پن 94 | I/O — User I/O pin (bank 3, continued) |
| پن 95 | I/O — User I/O pin (bank 3, continued) |
| پن 96 | I/O — User I/O pin (bank 3, continued) |
| پن 97 | I/O — User I/O pin (bank 3, continued) |
| پن 98 | VCCINT — Core supply 5 V |
| پن 99 | I/O — User I/O pin (bank 3, continued) |
| پن 100 | GND — Ground |
| پن 101 | I/O — User I/O pin (bank 4, continued) |
| پن 102 | I/O — User I/O pin (bank 4, continued) |
| پن 103 | VCCIO4 — I/O bank 4 supply (3.3 V or 5 V, MultiVolt) |
| پن 104 | I/O — User I/O pin (bank 4, continued) |
| پن 105 | I/O — User I/O pin (bank 4, continued) |
| پن 106 | VCCINT — Core supply 5 V |
| پن 107 | I/O — User I/O pin (bank 4, continued) |
| پن 108 | I/O — User I/O pin (bank 4, continued) |
| پن 109 | GND — Ground |
| پن 110 | I/O — User I/O pin (bank 5, continued) |
| پن 111 | I/O — User I/O pin (bank 5, continued) |
| پن 112 | VCCIO5 — I/O bank 5 supply (3.3 V or 5 V, MultiVolt) |
| پن 113 | I/O — User I/O pin (bank 5, continued) |
| پن 114 | I/O — User I/O pin (bank 5, continued) |
| پن 115 | I/O — User I/O pin (bank 5, continued) |
| پن 116 | VCCINT — Core supply 5 V |
| پن 117 | I/O — User I/O pin (bank 5, continued) |
| پن 118 | GND — Ground |
| پن 119 | I/O — User I/O pin (bank 6, continued) |
| پن 120 | I/O — User I/O pin (bank 6, continued) |
| پن 121 | VCCIO6 — I/O bank 6 supply (3.3 V or 5 V, MultiVolt) |
| پن 122 | I/O — User I/O pin (bank 6, continued) |
| پن 123 | I/O — User I/O pin (bank 6, continued) |
| پن 124 | VCCINT — Core supply 5 V |
| پن 125 | I/O — User I/O pin (bank 6, continued) |
| پن 126 | I/O — User I/O pin (bank 6, continued) |
| پن 127 | GND — Ground |
| پن 128 | I/O — User I/O pin (bank 7, continued) |
| پن 129 | I/O — User I/O pin (bank 7, continued) |
| پن 130 | VCCIO7 — I/O bank 7 supply (3.3 V or 5 V, MultiVolt) |
| پن 131 | I/O — User I/O pin (bank 7, continued) |
| پن 132 | I/O — User I/O pin (bank 7, continued) |
| پن 133 | VCCINT — Core supply 5 V |
| پن 134 | I/O — User I/O pin (bank 7, continued) |
| پن 135 | I/O — User I/O pin (bank 7, continued) |
| پن 136 | GND — Ground |
| پن 137 | I/O — User I/O pin (bank 8, continued) |
| پن 138 | I/O — User I/O pin (bank 8, continued) |
| پن 139 | VCCIO8 — I/O bank 8 supply (3.3 V or 5 V, MultiVolt) |
| پن 140 | I/O — User I/O pin (bank 8, continued) |
| پن 141 | I/O — User I/O pin (bank 8, continued) |
| پن 142 | VCCINT — Core supply 5 V |
| پن 143 | I/O — User I/O pin (bank 8, continued) |
| پن 144 | I/O — User I/O pin (bank 8, continued) |
| پن 145 | GND — Ground |
| پن 146 | MSEL0 — Configuration mode select 0 |
| پن 147 | MSEL1 — Configuration mode select 1 |
| پن 148 | nCONFIG — Configuration start (active-low, pull-up to VCCINT) |
| پن 149 | nSTATUS — Configuration status (active-low, open-drain) |
| پن 150 | CONF_DONE — Configuration done (open-drain) |
| پن 151 | DCLK — Configuration clock input |
| پن 152 | DATA0 — Configuration data input 0 |
| پن 153 | DATA1 — Configuration data input 1 (if used) |
| پن 154 | DATA2 — Configuration data input 2 (if used) |
| پن 155 | DATA3 — Configuration data input 3 (if used) |
| پن 156 | DATA4 — Configuration data input 4 (if used) |
| پن 157 | DATA5 — Configuration data input 5 (if used) |
| پن 158 | DATA6 — Configuration data input 6 (if used) |
| پن 159 | DATA7 — Configuration data input 7 (if used) |
| پن 160 | TCK — JTAG test clock |
| پن 161 | TMS — JTAG test mode select |
| پن 162 | TDI — JTAG test data in |
| پن 163 | TDO — JTAG test data out |
| پن 164 | I/O — User I/O pin (bank 1, top side) |
| پن 165 | I/O — User I/O pin (bank 1, top side) |
| پن 166 | I/O — User I/O pin (bank 1, top side) |
| پن 167 | I/O — User I/O pin (bank 1, top side) |
| پن 168 | I/O — User I/O pin (bank 1, top side) |
| پن 169 | I/O — User I/O pin (bank 1, top side) |
| پن 170 | I/O — User I/O pin (bank 1, top side) |
| پن 171 | I/O — User I/O pin (bank 1, top side) |
| پن 172 | I/O — User I/O pin (bank 1, top side) |
| پن 173 | I/O — User I/O pin (bank 1, top side) |
| پن 174 | I/O — User I/O pin (bank 1, top side) |
| پن 175 | I/O — User I/O pin (bank 1, top side) |
| پن 176 | I/O — User I/O pin (bank 1, top side) |
| پن 177 | I/O — User I/O pin (bank 1, top side) |
| پن 178 | I/O — User I/O pin (bank 1, top side) |
| پن 179 | I/O — User I/O pin (bank 1, top side) |
| پن 180 | I/O — User I/O pin (bank 1, top side) |
| پن 181 | I/O — User I/O pin (bank 1, top side) |
| پن 182 | I/O — User I/O pin (bank 1, top side) |
| پن 183 | I/O — User I/O pin (bank 1, top side) |
| پن 184 | I/O — User I/O pin (bank 1, top side) |
| پن 185 | I/O — User I/O pin (bank 1, top side) |
| پن 186 | I/O — User I/O pin (bank 1, top side) |
| پن 187 | I/O — User I/O pin (bank 1, top side) |
| پن 188 | I/O — User I/O pin (bank 1, top side) |
| پن 189 | I/O — User I/O pin (bank 1, top side) |
| پن 190 | I/O — User I/O pin (bank 1, top side) |
| پن 191 | I/O — User I/O pin (bank 1, top side) |
| پن 192 | I/O — User I/O pin (bank 1, top side) |
| پن 193 | I/O — User I/O pin (bank 1, top side) |
| پن 194 | I/O — User I/O pin (bank 1, top side) |
| پن 195 | I/O — User I/O pin (bank 1, top side) |
| پن 196 | I/O — User I/O pin (bank 1, top side) |
| پن 197 | I/O — User I/O pin (bank 1, top side) |
| پن 198 | I/O — User I/O pin (bank 1, top side) |
| پن 199 | I/O — User I/O pin (bank 1, top side) |
| پن 200 | I/O — User I/O pin (bank 1, top side) |
| پن 201 | I/O — User I/O pin (bank 1, top side) |
| پن 202 | I/O — User I/O pin (bank 1, top side) |
| پن 203 | I/O — User I/O pin (bank 1, top side) |
| پن 204 | I/O — User I/O pin (bank 1, top side) |
| پن 205 | I/O — User I/O pin (bank 1, top side) |
| پن 206 | I/O — User I/O pin (bank 1, top side) |
| پن 207 | I/O — User I/O pin (bank 1, top side) |
| پن 208 | I/O — User I/O pin (bank 1, top side) |
| پن 209 | I/O — User I/O pin (bank 1, top side) |
| پن 210 | I/O — User I/O pin (bank 1, top side) |
| پن 211 | I/O — User I/O pin (bank 1, top side) |
| پن 212 | I/O — User I/O pin (bank 1, top side) |
| پن 213 | I/O — User I/O pin (bank 1, top side) |
| پن 214 | I/O — User I/O pin (bank 1, top side) |
| پن 215 | I/O — User I/O pin (bank 1, top side) |
| پن 216 | I/O — User I/O pin (bank 1, top side) |
| پن 217 | I/O — User I/O pin (bank 1, top side) |
| پن 218 | I/O — User I/O pin (bank 1, top side) |
| پن 219 | I/O — User I/O pin (bank 1, top side) |
| پن 220 | I/O — User I/O pin (bank 1, top side) |
| پن 221 | I/O — User I/O pin (bank 1, top side) |
| پن 222 | I/O — User I/O pin (bank 1, top side) |
| پن 223 | I/O — User I/O pin (bank 1, top side) |
| پن 224 | I/O — User I/O pin (bank 1, top side) |
| پن 225 | I/O — User I/O pin (bank 1, top side) |
| پن 226 | I/O — User I/O pin (bank 1, top side) |
| پن 227 | I/O — User I/O pin (bank 1, top side) |
| پن 228 | I/O — User I/O pin (bank 1, top side) |
| پن 229 | I/O — User I/O pin (bank 1, top side) |
| پن 230 | I/O — User I/O pin (bank 1, top side) |
| پن 231 | I/O — User I/O pin (bank 1, top side) |
| پن 232 | I/O — User I/O pin (bank 1, top side) |
| پن 233 | I/O — User I/O pin (bank 1, top side) |
| پن 234 | I/O — User I/O pin (bank 1, top side) |
| پن 235 | I/O — User I/O pin (bank 1, top side) |
| پن 236 | I/O — User I/O pin (bank 1, top side) |
| پن 237 | I/O — User I/O pin (bank 1, top side) |
| پن 238 | I/O — User I/O pin (bank 1, top side) |
| پن 239 | I/O — User I/O pin (bank 1, top side) |
| پن 240 | GND — Ground (also exposed thermal pad on package bottom) |
عام استعمالات
EPF10K50RI240-4N کے لیے موزوں ہے 6 ایپلیکیشنs: Legacy Telecom Interface Glue Logic, Industrial Control Bridging, Legacy ISA/PCI Peripheral Cards, DSP-to-Microcontroller Bridge / Co-processor, 5 V to 3.3 V Level Translation / Glue Logic Hub, Long-Life-Cycle Aerospace / Defense Sustainment.
Legacy Telecom Interface Glue Logic
The EPF10K50RI240-4N is well suited for legacy telecom interface glue logic where 5 V PCI-style signaling and MultiVolt I/O are still in service. Its 50K-gate capacity and 189 user I/Os are sufficient for bridging between TDM backplanes, T1/E1 framers, and HDLC controllers, while 20,480 logic elements accommodate wide bus-multiplexing and protocol state machines. Engineers can dedicate ~10 Embedded Array Blocks (EABs) of 2 Kbit SRAM each to dual-port FIFOs that smooth traffic between the telecom line and an upstream processor. The 240-RQFP footprint matches the original Altera reference designs, allowing direct retrofit into FLEX 10K service cards without PCB rework. Programming is performed with MAX+PLUS II, which is still the toolchain of record for installed telecom fleets worldwide.
تجویز کردہ
Industrial Control Bridging
The EPF10K50RI240-4N's industrial -40 °C to 85 °C temperature range and 5 V PCI-compatible MultiVolt I/O make it a reliable bridge in industrial PLC backplanes. Its 189 user I/Os map directly to opto-isolated 24 V field I/O modules through level shifters, while the 5 V VCCINT rail is immune to the noisy 24 V supply transients that plague lower-voltage FPGAs. With 360 LABs and 20,480 logic elements, the device comfortably hosts parallel motor-control state machines, encoder quadrature decoders, and PROFIBUS/Modbus glue. The exposed thermal pad on the 240-RQFP package provides the heat dissipation needed for continuous industrial duty cycles. Designers retain a long-term software path in MAX+PLUS II without needing to re-train on Quartus.
تجویز کردہ
Legacy ISA/PCI Peripheral Cards
The EPF10K50RI240-4N was a workhorse for PCI 2.1-compliant peripherals in the late 1990s and continues to populate legacy test, instrumentation, and data-acquisition cards. Its built-in PCI pull-up clamping diode and 5 V PCI-compliant I/O bank remove the need for external bus transceivers, while 189 user I/Os are sufficient for 32-bit PCI plus local bus expansion. The on-chip EABs serve as dual-port FIFOs that decouple PCI bursts from analog front-end data streams, and the 125 MHz internal frequency supports 33 MHz PCI timing with margin. Designers working on long-life-cycle medical, aerospace, and military programs can extend the supply of original boards using FLEX 10K drop-in variants.
تجویز کردہ
DSP-to-Microcontroller Bridge / Co-processor
The EPF10K50RI240-4N is a natural choice for bridging a host microcontroller to a DSP co-processor in legacy embedded designs. The 50K-gate capacity accommodates FIFO-based data paths between an SHARC or TMS320 DSP and an 8051-class host, while the MultiVolt I/O allows direct connection to 3.3 V DSPs and 5 V microcontrollers without external level shifters. The 10 EABs (each 2 Kbit) supply the dual-port RAM that pipelines Q-format samples between algorithms, and the 189 user I/Os handle host parallel ports, DMA handshakes, and JTAG. The exposed pad on the 240-RQFP package provides the headroom needed when both DSP and host operate at full clock under sustained DSP load.
تجویز کردہ
5 V to 3.3 V Level Translation / Glue Logic Hub
The EPF10K50RI240-4N's MultiVolt I/O interface is its standout feature for mixed-voltage board designs. By tying VCCIO to either 3.3 V or 5 V on a per-bank basis, each I/O bank can talk directly to the corresponding voltage domain without external level shifters, eliminating dozens of discrete parts. The 189 user I/Os and 50K-gate logic capacity make this part ideal as a central 'glue hub' that consolidates bus arbitration, chip-select generation, and interrupt routing between a 5 V microcontroller and 3.3 V peripherals such as SDRAM, flash, and ADCs. The exposed thermal pad supports the continuous switching activity of bus multiplexing without thermal derating.
تجویز کردہ
Long-Life-Cycle Aerospace / Defense Sustainment
The EPF10K50RI240-4N remains in service in aerospace and defense systems certified under long-life programs that pre-date Cyclone and MAX families. Its 5 V VCCINT and 240-RQFP package match the original Altera reference designs that are now maintained as form-fit-function replacements. The 189 user I/Os are sufficient for MIL-STD-1553 databus interfaces, ARINC 429 transmitters, and legacy display controllers. Industrial temperature range (-40 °C to 85 °C) covers most avionics bays, and the exposed thermal pad provides the heat-spreading path needed for sealed chassis without forced-air cooling. For certified programs, FLEX 10K variants from the same lot are a drop-in substitution, easing obsolescence management while the certification paperwork remains valid.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا EPF10K50RI240-4N — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | EPF10K50RC240-4N | EPF10K50RC240-3 | EPF10K30RI240-4N | EPF10K50EQC240-3N | EPF10K100EQC240-3N |
|---|---|---|---|---|---|---|
| Brand | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) |
| Package | 240-RQFP (with Exposed Pad) | 240-RQFP - same | 240-RQFP - same | 240-RQFP - same | 240-RQFP - same | 240-RQFP - same |
| Family / Density | FLEX 10K, 50K gates / 2,880 cells | FLEX 10K, 50K gates / 2,880 cells | FLEX 10K, 50K gates / 2,880 cells | FLEX 10K, 30K gates / 1,728 cells (-40%) | FLEX 10KE, 50K gates / 2,880 cells | FLEX 10KE, 100K gates / 4,992 cells (+73%) |
| Speed Grade | -4 (slower) | -4 (same) | -3 (faster) | -4 (same) | -3 (faster) | -3 (faster) |
| Core Voltage (VCCINT) | 5 V | 5 V | 5 V | 5 V | 2.5 V (FLEX 10KE) | 2.5 V (FLEX 10KE) |
| I/O Voltage (VCCIO) | 3.3 V or 5 V MultiVolt | 3.3 V or 5 V MultiVolt | 3.3 V or 5 V MultiVolt | 3.3 V or 5 V MultiVolt | 2.5 V or 3.3 V MultiVolt | 2.5 V or 3.3 V MultiVolt |
| User I/Os | 189 | 189 | 189 | 189 (same package) | 189 | 189 |
| Temperature Range | Industrial -40C to +85C | Commercial 0C to +70C | Commercial 0C to +70C | Industrial -40C to +85C | Commercial 0C to +70C | Commercial 0C to +70C |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | NRND (near end of life) | NRND (near end of life) |
اہم امتیازی خصوصیات
- Industrial temperature range on the same 240-RQFP footprint as commercial variants (بمقابلہEPF10K50RC240-4N)
- Lower-density drop-in alternative available for cost optimization (بمقابلہEPF10K30RI240-4N)
- MultiVolt I/O supports mixed-voltage designs without external level shifters (بمقابلہEPF10K50EQC240-3N (FLEX 10KE))
ڈیزائن نوٹس
Estimated: the EPF10K50RI240-4N draws approximately 250-400 mA quiescent current on VCCINT at 5 V (1.25-2 W), scaling with toggle rate. Route VCCINT and VCCIO through wide power planes with bulk 100 uF + 10 uF + 0.1 uF ceramic decoupling at each pin. Separate VCCIO per bank: each MultiVolt bank can run at 3.3 V or 5 V independently, so use ferrite beads to isolate noisy banks from quiet ones. The exposed thermal pad MUST be soldered to a continuous ground plane for the datasheet's thermal resistance rating.
Use the Altera-supplied 240-RQFP land pattern from the Package Outlines section of the FLEX 10K datasheet. Place configuration EPROM (e.g., EPC2 or EPC16) within 100 mm of the FPGA to meet DCLK/DATA0 rise-time budgets. The MSEL0/MSEL1 pins select PS (passive serial), PPS, or JTAG configuration mode; add 10 kohm pull-ups to nCONFIG and 10 kohm pull-down to nSTATUS as recommended by the datasheet.
Do NOT attempt to program the EPF10K50RI240-4N with Quartus Prime - Quartus does not support the FLEX 10K family. Continue using MAX+PLUS II 10.23 baseline, which is the final toolchain release for FLEX 10K. The 'I' in the part number indicates industrial temperature range; verify that your chassis stays within -40C to +85C or the part may exhibit timing violations or reduced life. SRAM-based FPGAs lose configuration on power-down - always provide an external configuration PROM for production designs.
تعمیل کی معلومات
Compliance data not present in the verified web snippets. The -4N suffix historically indicates lead-free / Pb-free NiPdAu lead finish on the 240-RQFP package, but a written compliance certificate must be requested from the distributor for the specific lot. AEC-Q100 is not applicable because FPGAs are not automotive-qualified by Altera / Intel.
