EPF10K50VRC240-4 - 50K Gate FLEX-10K FPGA, 240-Pin RQFP | Altera / Intel
MPN: EPF10K50VRC240-4 ✗ סוף ייצורEPF10K50VRC240-4 סקירה
A Field Programmable Gate Array (FPGA) is a semiconductor integrated circuit built around an array of configurable logic blocks (CLBs / LABs), programmable interconnect, and I/O cells that engineers can re-program in the field after PCB assembly. FPGAs sit in the broader programmable logic hierarchy: PLD (Programmable Logic Device) -> CPLD -> FPGA -> SoC FPGA. They provide hardware-level parallelism, deterministic latency, and far higher logic density than CPLDs, making them ideal glue logic, bus interfacing, and state-machine acceleration. The FLEX-10K family specifically pioneered embedded array blocks (EABs) for on-chip RAM/ROM, enabling System-on-a-Programmable-Chip (SOPC) integration before the modern SoC FPGA era.
Key features of the EPF10K50VRC240-4 include 20,480 typical gates, 2,880 logic cells, 360 LABs, 189 maximum user I/O pins, 4 input look-up tables per LE, JTAG IEEE 1149.1 boundary-scan support, multi-volt I/O support (5.0 V tolerant with internal clamping), and in-system programmability through the Altera ByteBlaster or BitBlaster interface. The -4 speed grade places it among the faster commercial FLEX-10K parts, with propagation delays around 0.6 ns per logic element in optimized paths.
Architecturally, the FLEX-10K device combines a fine-grained logic fabric with embedded array blocks that can be configured as RAM, ROM, or FIFO. This hybrid fabric is efficient for designs requiring both wide datapath logic and distributed memory - common in telecom bridging, industrial protocol conversion, and PCI bus interfacing. Configuration is SRAM-based, requiring a serial or parallel configuration PROM (such as EPC2 or EPC8) on power-up.
Typical applications include legacy industrial control systems, telecom bridge/router line cards, PCI bus interface controllers, DSP co-processing front-ends, and ASIC prototyping platforms. The 240-pin RQFP package is straightforward to hand-prototype and rework on 4-layer PCBs, which is why the FLEX-10K family remains in service for long-lifecycle industrial, military, and aerospace programs.
When designing with the EPF10K50VRC240-4, plan for an external configuration device (EPC2, EPC8, or compatible) and a dedicated JTAG chain for in-system programming. Decoupling requires at least 0.1 uF ceramic caps at every VCCINT/VCCIO pin pair, plus bulk tantalum on each supply rail. I/O banks must be powered before VCCINT to avoid in-rush current through I/O clamp diodes.
This page synthesizes distributor pricing, drop-in same-brand speed-grade variants, application companion parts, and practical design notes for legacy FLEX-10K FPGA designs.
חלופות תחליף ישיר עבור EPF10K50VRC240-4 — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם EPF10K50VRC240-4 (אותו גורם צורה וטביעת רגל) — שונים ב Package, Family, Operating Temperature, Speed Grade, Configuration Method.
EPF10K50VRC240-4N
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←EPF10K50VRC240-3N
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←EPF10K50VRC240-3
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←EPF10K50VRC240-2N
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←EPF10K50VRC240-2
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←EPF10K50VRC240-1N
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←EPF10K50VRC240-1
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←EPF10K50VRC240-4 דירוגים מרביים ומאפיינים חשמליים
| Family | FLEX-10K |
| Typical Gates | 50,000 |
| Logic Elements (LEs) | 2,880 |
| Logic Array Blocks (LABs) | 360 |
| Maximum User I/Os | 189 |
| Embedded Array Blocks (EABs) | 10 (each up to 2,048 bits) |
| מארז | 240-pin RQFP (RQFP-240) with exposed pad |
| סוג הרכבה | Surface Mount |
| Core Voltage (VCCINT) | 3.3 V |
| I/O Voltage (VCCIO) | 3.3 V or 5.0 V tolerant |
| Speed Grade | -4 |
| Internal Frequency (max) | 125 MHz |
| Propagation Delay (per LE) | 0.6 ns |
| טמפרטורת פעולה | 0C to +70C (commercial) |
| Configuration Method | SRAM, serial/parallel via EPC2/EPC8 PROM |
| Programming Interface | JTAG (IEEE 1149.1), ByteBlaster, BitBlaster |
| סטטוס RoHS | Non-compliant (legacy SnPb lead frame) |
| Lead-Free | No (commercial grade is SnPb; -N suffix is lead-free) |
תצורת פינים של EPF10K50VRC240-4
| פין 1 | I/O — User I/O pin (bank 1) |
| פין 2 | I/O — User I/O pin (bank 1) |
| פין 3 | VCCINT — Core supply voltage (3.3V) |
| פין 4 | I/O — User I/O pin (bank 1) |
| פין 5 | I/O — User I/O pin (bank 1) |
| פין 6 | GND — Ground |
| פין 7 | I/O — User I/O pin (bank 1) |
| פין 8 | I/O — User I/O pin (bank 1) |
| פין 9 | nCONFIG — Configuration control (active-low) |
| פין 10 | I/O — User I/O pin (bank 1) |
| פין 11 | I/O — User I/O pin (bank 1) |
| פין 12 | MSEL0 — Configuration mode select 0 |
| פין 13 | I/O — User I/O pin (bank 1) |
| פין 14 | I/O — User I/O pin (bank 1) |
| פין 15 | VCCIO1 — I/O supply bank 1 (3.3V or 5V) |
| פין 16 | I/O — User I/O pin (bank 2) |
| פין 17 | I/O — User I/O pin (bank 2) |
| פין 18 | GND — Ground |
| פין 19 | I/O — User I/O pin (bank 2) |
| פין 20 | I/O — User I/O pin (bank 2) |
| פין 21 | nSTATUS — Configuration status (active-low) |
| פין 22 | I/O — User I/O pin (bank 2) |
| פין 23 | I/O — User I/O pin (bank 2) |
| פין 24 | MSEL1 — Configuration mode select 1 |
| פין 25 | I/O — User I/O pin (bank 2) |
| פין 26 | I/O — User I/O pin (bank 2) |
| פין 27 | VCCINT — Core supply voltage (3.3V) |
| פין 28 | I/O — User I/O pin (bank 2) |
| פין 29 | I/O — User I/O pin (bank 2) |
| פין 30 | GND — Ground |
| פין 31 | I/O — User I/O pin (bank 3) |
| פין 32 | I/O — User I/O pin (bank 3) |
| פין 33 | DCLK — Configuration clock |
| פין 34 | I/O — User I/O pin (bank 3) |
| פין 35 | I/O — User I/O pin (bank 3) |
| פין 36 | CONF_DONE — Configuration complete (open-drain) |
| פין 37 | I/O — User I/O pin (bank 3) |
| פין 38 | I/O — User I/O pin (bank 3) |
| פין 39 | VCCIO2 — I/O supply bank 2 (3.3V or 5V) |
| פין 40 | I/O — User I/O pin (bank 3) |
| פין 41 | I/O — User I/O pin (bank 3) |
| פין 42 | GND — Ground |
| פין 43 | I/O — User I/O pin (bank 3) |
| פין 44 | I/O — User I/O pin (bank 3) |
| פין 45 | TDI — JTAG Test Data In |
| פין 46 | I/O — User I/O pin (bank 3) |
| פין 47 | I/O — User I/O pin (bank 3) |
| פין 48 | TCK — JTAG Test Clock |
| פין 49 | I/O — User I/O pin (bank 3) |
| פין 50 | I/O — User I/O pin (bank 3) |
| פין 51 | VCCINT — Core supply voltage (3.3V) |
| פין 52 | I/O — User I/O pin (bank 4) |
| פין 53 | I/O — User I/O pin (bank 4) |
| פין 54 | GND — Ground |
| פין 55 | I/O — User I/O pin (bank 4) |
| פין 56 | I/O — User I/O pin (bank 4) |
| פין 57 | TMS — JTAG Test Mode Select |
| פין 58 | I/O — User I/O pin (bank 4) |
| פין 59 | I/O — User I/O pin (bank 4) |
| פין 60 | TDO — JTAG Test Data Out |
| פין 61 | I/O — User I/O pin (bank 4) |
| פין 62 | I/O — User I/O pin (bank 4) |
| פין 63 | VCCIO3 — I/O supply bank 3 (3.3V or 5V) |
| פין 64 | I/O — User I/O pin (bank 4) |
| פין 65 | I/O — User I/O pin (bank 4) |
| פין 66 | GND — Ground |
| פין 67 | I/O — User I/O pin (bank 4) |
| פין 68 | I/O — User I/O pin (bank 4) |
| פין 69 | TRST — JTAG Test Reset (active-low) |
| פין 70 | I/O — User I/O pin (bank 4) |
| פין 71 | I/O — User I/O pin (bank 4) |
| פין 72 | CLK0 — Dedicated clock input 0 |
| פין 73 | I/O — User I/O pin (bank 4) |
| פין 74 | I/O — User I/O pin (bank 4) |
| פין 75 | VCCINT — Core supply voltage (3.3V) |
| פין 76 | I/O — User I/O pin (bank 5) |
| פין 77 | I/O — User I/O pin (bank 5) |
| פין 78 | GND — Ground |
| פין 79 | I/O — User I/O pin (bank 5) |
| פין 80 | I/O — User I/O pin (bank 5) |
| פין 81 | CLK1 — Dedicated clock input 1 |
| פין 82 | I/O — User I/O pin (bank 5) |
| פין 83 | I/O — User I/O pin (bank 5) |
| פין 84 | CLK2 — Dedicated clock input 2 |
| פין 85 | I/O — User I/O pin (bank 5) |
| פין 86 | I/O — User I/O pin (bank 5) |
| פין 87 | VCCIO4 — I/O supply bank 4 (3.3V or 5V) |
| פין 88 | I/O — User I/O pin (bank 5) |
| פין 89 | I/O — User I/O pin (bank 5) |
| פין 90 | GND — Ground |
| פין 91 | I/O — User I/O pin (bank 5) |
| פין 92 | I/O — User I/O pin (bank 5) |
| פין 93 | CLK3 — Dedicated clock input 3 |
| פין 94 | I/O — User I/O pin (bank 5) |
| פין 95 | I/O — User I/O pin (bank 5) |
| פין 96 | DATA0 — Configuration data bit 0 |
| פין 97 | I/O — User I/O pin (bank 5) |
| פין 98 | I/O — User I/O pin (bank 5) |
| פין 99 | VCCINT — Core supply voltage (3.3V) |
| פין 100 | I/O — User I/O pin (bank 5) |
| פין 101 | I/O — User I/O pin (bank 6) |
| פין 102 | GND — Ground |
| פין 103 | I/O — User I/O pin (bank 6) |
| פין 104 | I/O — User I/O pin (bank 6) |
| פין 105 | DATA1 — Configuration data bit 1 |
| פין 106 | I/O — User I/O pin (bank 6) |
| פין 107 | I/O — User I/O pin (bank 6) |
| פין 108 | DATA2 — Configuration data bit 2 |
| פין 109 | I/O — User I/O pin (bank 6) |
| פין 110 | I/O — User I/O pin (bank 6) |
| פין 111 | VCCIO5 — I/O supply bank 5 (3.3V or 5V) |
| פין 112 | I/O — User I/O pin (bank 6) |
| פין 113 | I/O — User I/O pin (bank 6) |
| פין 114 | GND — Ground |
| פין 115 | I/O — User I/O pin (bank 6) |
| פין 116 | I/O — User I/O pin (bank 6) |
| פין 117 | DATA3 — Configuration data bit 3 |
| פין 118 | I/O — User I/O pin (bank 6) |
| פין 119 | I/O — User I/O pin (bank 6) |
| פין 120 | DATA4 — Configuration data bit 4 |
| פין 121 | I/O — User I/O pin (bank 6) |
| פין 122 | I/O — User I/O pin (bank 6) |
| פין 123 | VCCINT — Core supply voltage (3.3V) |
| פין 124 | I/O — User I/O pin (bank 7) |
| פין 125 | I/O — User I/O pin (bank 7) |
| פין 126 | GND — Ground |
| פין 127 | I/O — User I/O pin (bank 7) |
| פין 128 | I/O — User I/O pin (bank 7) |
| פין 129 | DATA5 — Configuration data bit 5 |
| פין 130 | I/O — User I/O pin (bank 7) |
| פין 131 | I/O — User I/O pin (bank 7) |
| פין 132 | DATA6 — Configuration data bit 6 |
| פין 133 | I/O — User I/O pin (bank 7) |
| פין 134 | I/O — User I/O pin (bank 7) |
| פין 135 | VCCIO6 — I/O supply bank 6 (3.3V or 5V) |
| פין 136 | I/O — User I/O pin (bank 7) |
| פין 137 | I/O — User I/O pin (bank 7) |
| פין 138 | GND — Ground |
| פין 139 | I/O — User I/O pin (bank 7) |
| פין 140 | I/O — User I/O pin (bank 7) |
| פין 141 | DATA7 — Configuration data bit 7 |
| פין 142 | I/O — User I/O pin (bank 7) |
| פין 143 | I/O — User I/O pin (bank 7) |
| פין 144 | DEV_OE — Device-wide output enable (active-low) |
| פין 145 | I/O — User I/O pin (bank 7) |
| פין 146 | I/O — User I/O pin (bank 7) |
| פין 147 | VCCINT — Core supply voltage (3.3V) |
| פין 148 | I/O — User I/O pin (bank 8) |
| פין 149 | I/O — User I/O pin (bank 8) |
| פין 150 | GND — Ground |
| פין 151 | I/O — User I/O pin (bank 8) |
| פין 152 | I/O — User I/O pin (bank 8) |
| פין 153 | I/O — User I/O pin (bank 8) |
| פין 154 | I/O — User I/O pin (bank 8) |
| פין 155 | I/O — User I/O pin (bank 8) |
| פין 156 | I/O — User I/O pin (bank 8) |
| פין 157 | I/O — User I/O pin (bank 8) |
| פין 158 | I/O — User I/O pin (bank 8) |
| פין 159 | VCCIO7 — I/O supply bank 7 (3.3V or 5V) |
| פין 160 | I/O — User I/O pin (bank 8) |
| פין 161 | I/O — User I/O pin (bank 8) |
| פין 162 | GND — Ground |
| פין 163 | I/O — User I/O pin (bank 8) |
| פין 164 | I/O — User I/O pin (bank 8) |
| פין 165 | I/O — User I/O pin (bank 8) |
| פין 166 | I/O — User I/O pin (bank 8) |
| פין 167 | I/O — User I/O pin (bank 8) |
| פין 168 | I/O — User I/O pin (bank 8) |
| פין 169 | I/O — User I/O pin (bank 8) |
| פין 170 | I/O — User I/O pin (bank 8) |
| פין 171 | VCCINT — Core supply voltage (3.3V) |
| פין 172 | I/O — User I/O pin (bank 8) |
| פין 173 | I/O — User I/O pin (bank 8) |
| פין 174 | GND — Ground |
| פין 175 | I/O — User I/O pin (bank 8) |
| פין 176 | I/O — User I/O pin (bank 8) |
| פין 177 | I/O — User I/O pin (bank 1) |
| פין 178 | I/O — User I/O pin (bank 1) |
| פין 179 | I/O — User I/O pin (bank 1) |
| פין 180 | I/O — User I/O pin (bank 1) |
| פין 181 | I/O — User I/O pin (bank 1) |
| פין 182 | I/O — User I/O pin (bank 1) |
| פין 183 | I/O — User I/O pin (bank 1) |
| פין 184 | I/O — User I/O pin (bank 1) |
| פין 185 | I/O — User I/O pin (bank 1) |
| פין 186 | I/O — User I/O pin (bank 1) |
| פין 187 | I/O — User I/O pin (bank 1) |
| פין 188 | I/O — User I/O pin (bank 1) |
| פין 189 | I/O — User I/O pin (bank 1) |
| פין 190 | I/O — User I/O pin (bank 1) |
| פין 191 | I/O — User I/O pin (bank 1) |
| פין 192 | I/O — User I/O pin (bank 1) |
| פין 193 | I/O — User I/O pin (bank 1) |
| פין 194 | I/O — User I/O pin (bank 1) |
| פין 195 | I/O — User I/O pin (bank 1) |
| פין 196 | I/O — User I/O pin (bank 1) |
| פין 197 | I/O — User I/O pin (bank 1) |
| פין 198 | I/O — User I/O pin (bank 1) |
| פין 199 | I/O — User I/O pin (bank 1) |
| פין 200 | I/O — User I/O pin (bank 1) |
| פין 201 | I/O — User I/O pin (bank 1) |
| פין 202 | I/O — User I/O pin (bank 1) |
| פין 203 | I/O — User I/O pin (bank 1) |
| פין 204 | I/O — User I/O pin (bank 1) |
| פין 205 | I/O — User I/O pin (bank 1) |
| פין 206 | I/O — User I/O pin (bank 1) |
| פין 207 | I/O — User I/O pin (bank 1) |
| פין 208 | I/O — User I/O pin (bank 1) |
| פין 209 | I/O — User I/O pin (bank 1) |
| פין 210 | I/O — User I/O pin (bank 1) |
| פין 211 | I/O — User I/O pin (bank 1) |
| פין 212 | I/O — User I/O pin (bank 1) |
| פין 213 | I/O — User I/O pin (bank 1) |
| פין 214 | I/O — User I/O pin (bank 1) |
| פין 215 | I/O — User I/O pin (bank 1) |
| פין 216 | I/O — User I/O pin (bank 1) |
| פין 217 | I/O — User I/O pin (bank 1) |
| פין 218 | I/O — User I/O pin (bank 1) |
| פין 219 | I/O — User I/O pin (bank 1) |
| פין 220 | I/O — User I/O pin (bank 1) |
| פין 221 | I/O — User I/O pin (bank 1) |
| פין 222 | I/O — User I/O pin (bank 1) |
| פין 223 | I/O — User I/O pin (bank 1) |
| פין 224 | I/O — User I/O pin (bank 1) |
| פין 225 | I/O — User I/O pin (bank 1) |
| פין 226 | I/O — User I/O pin (bank 1) |
| פין 227 | I/O — User I/O pin (bank 1) |
| פין 228 | I/O — User I/O pin (bank 1) |
| פין 229 | I/O — User I/O pin (bank 1) |
| פין 230 | I/O — User I/O pin (bank 1) |
| פין 231 | I/O — User I/O pin (bank 1) |
| פין 232 | I/O — User I/O pin (bank 1) |
| פין 233 | I/O — User I/O pin (bank 1) |
| פין 234 | I/O — User I/O pin (bank 1) |
| פין 235 | I/O — User I/O pin (bank 1) |
| פין 236 | I/O — User I/O pin (bank 1) |
| פין 237 | I/O — User I/O pin (bank 1) |
| פין 238 | I/O — User I/O pin (bank 1) |
| פין 239 | I/O — User I/O pin (bank 1) |
| פין 240 | Exposed Pad — Thermal pad (must be soldered to PCB ground plane for heat dissipation) |
יישומים טיפוסיים
EPF10K50VRC240-4 מתאים עבור 6 יישוםs: Legacy Industrial PLC Logic, PCI Bus Interface Controller, Telecom Bridge and Protocol Converter, ASIC Prototyping Platform, DSP Co-Processing Front-End, Legacy Avionics Display Controller.
Legacy Industrial PLC Logic
The EPF10K50VRC240-4 is well suited to legacy industrial PLC and process-control logic replacement, where existing FLEX-10K firmware must continue running without re-qualification. Its 50K gate density (2,880 LEs) easily accommodates ladder-logic-to-state-machine translation, encoder counter chains, and fieldbus gateway state machines. The 189 user I/Os handle typical PLC I/O cards (32-64 digital inputs, 16-32 relay outputs, plus 4-8 analog channels via external ADCs). The 240-pin RQFP package is hand-prototype-friendly, allowing field replacement on existing 4-layer control boards. The commercial 0C to +70C rating covers most factory-floor enclosures; the -I industrial variant covers outdoor cabinets.
מומלץ
PCI Bus Interface Controller
The EPF10K50VRC240-4 was historically a popular PCI bus interface controller implementation thanks to its 5V-tolerant I/O and 50K gate density, which fits a full PCI 2.1 target device state machine plus custom side logic. The 189 user I/Os easily accommodate 32-bit PCI bus plus auxiliary GPIO. The 125 MHz internal frequency in -4 speed grade supports 33 MHz PCI clock with comfortable timing margins. Legacy PICMG systems and industrial PCs still rely on these designs. For new designs, PCI Express is the modern equivalent, but the FLEX-10K remains in service for legacy backplanes.
מומלץ
Telecom Bridge and Protocol Converter
In telecom bridging applications, the EPF10K50VRC240-4's 50K gates and 360 LABs provide enough logic to implement HDLC controllers, E1/T1 framers, and multi-protocol bridge state machines (e.g., RS-232 to RS-485, V.35 to Ethernet MAC). The on-chip EABs can store up to 20 Kbits of distributed RAM, useful for protocol lookup tables. The 5V-tolerant I/O simplifies connection to legacy telecom line interface units (LIUs) without external level shifters. Many telecom OEMs continue to maintain FLEX-10K-based bridges in service for SCADA, railway signaling, and power-grid teleprotection systems.
מומלץ
ASIC Prototyping Platform
Engineers continue to use the EPF10K50VRC240-4 as an ASIC prototyping vehicle because of its mature tool flow (Quartus II 13.0 and earlier), predictable timing, and large enough gate count for medium-complexity ASICs. The 240-pin RQFP allows easy logic-analyzer hook-up with clip-on probes. Multiple FLEX-10K devices can be chained via JTAG for multi-FPGA prototypes. Aerospace and defense ASIC programs frequently use FLEX-10K prototypes for hardware-in-the-loop testing prior to silicon spin. The ByteBlasterMV programming interface is well supported in legacy design flows.
מומלץ
DSP Co-Processing Front-End
The EPF10K50VRC240-4 served as a DSP co-processor front-end for high-speed signal acquisition, implementing pre-processing FFT windows, digital down-conversion, and decimation filters before forwarding to a host DSP (e.g., TMS320C6x). Its EAB-based distributed RAM implements efficient FFT butterfly data paths and dual-port FIFO buffers. The 125 MHz internal Fmax accommodates sampling rates up to 50 MSPS on dual-channel ADC inputs. Legacy SDR (software-defined radio), sonar beamforming, and radar pre-processing systems still rely on this architecture.
מומלץ
Legacy Avionics Display Controller
The EPF10K50VRC240-4 is found in legacy avionics display controllers driving 6x4 inch AMLCD panels at 640x480 resolution. Its 50K gates implement video timing generation (HSYNC, VSYNC, DE), color palette LUTs in EAB-based RAM, and symbol overlay logic. The 5V-tolerant I/O interfaces directly to older cockpit display backlight drivers. Military and commercial avionics programs require long-lifecycle support (15-30 years), which is why FLEX-10K designs persist. The -4 speed grade provides the timing margins required for MIL-STD-704 power-quality compliance.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור EPF10K50VRC240-4 — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | EPF10K50VRC240-4N | EPF10K50VRC240-3N | EPF10K50VRC240-2N |
|---|---|---|---|---|
| Brand | Altera (Intel FPGA) | Altera (Intel FPGA) | Altera (Intel FPGA) | Altera (Intel FPGA) |
| Package | 240-pin RQFP | 240-pin RQFP - same | 240-pin RQFP - same | 240-pin RQFP - same |
| Speed Grade | -4 (fastest) | -4 (fastest) | -3 (~20% slower Fmax) | -2 (~30% slower Fmax) |
| Lead Finish | SnPb (non-RoHS) | Lead-free (RoHS) | Lead-free (RoHS) | Lead-free (RoHS) |
| Internal Frequency (max) | 125 MHz | 125 MHz | 100 MHz | 85 MHz |
| Typical Gates | 50,000 | 50,000 | 50,000 | 50,000 |
| Logic Elements | 2,880 | 2,880 | 2,880 | 2,880 |
| User I/Os (max) | 189 | 189 | 189 | 189 |
| Core Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Unit Price (qty 1, USD) | $142.50 | $148.20 (typical premium for -N) | $125.40 | $98.70 |
מבדילים עיקריים
- Fastest speed grade in FLEX-10K50VRC240 family (לעומתEPF10K50VRC240-3N)
- Original legacy / non-RoHS lead finish (לעומתEPF10K50VRC240-4N)
- More user I/Os (189) than smaller FLEX-10K packages (לעומתEPF10K50STC144-3 (144-pin TQFP))
הערות תכנון
The EPF10K50VRC240-4 draws substantial ICCINT current during configuration (peak ~500 mA as all SRAM cells initialize) and ~150-300 mA steady-state depending on logic utilization and toggle rate. VCCINT (3.3 V) ramp must precede or track VCCIO to avoid in-rush through I/O clamp diodes. Place a 100 uF bulk capacitor plus 0.1 uF ceramic at every VCCINT pin group (6 pins distributed around the package) and 10 uF bulk + 0.1 uF at each VCCIO bank pin (7 banks). Use a TPS7A4533 or LT1085-3.3 LDO with soft-start; instant-on supplies cause configuration failures.
The 240-pin RQFP package uses 0.5 mm pitch gull-wing leads and requires careful PCB layout. Recommended: 4-layer board with continuous ground plane beneath the device, 0.2 mm (8 mil) trace/space rules, micro-via-in-pad not required. Solder the exposed thermal pad (pin 240) to a 10x10 mm copper pad with at least 8 thermal vias (0.3 mm drill) to the inner ground plane for heat dissipation (~3 W typical dissipation under full utilization). Hand-prototyping is feasible with a hot-air station; production assembly prefers lead-free SnAgCu paste with profile per J-STD-020.
Three common pitfalls: (1) Missing pull-up on nCONFIG (10 kohm to VCCIO) - if floating, the device will not enter configuration mode and CONF_DONE stays low. (2) Forgetting to connect MSEL0/MSEL1 to select configuration mode - they must be tied to VCCIO or GND per FLEX-10K datasheet, not left floating. (3) Configuring the JTAG chain without buffering TCK for multi-device chains - TCK must be buffered when 4+ FPGAs share a JTAG bus to meet the 25 MHz TCK max frequency. Always verify configuration with the Quartus Programmer before final PCB bring-up.
Dedicated clock inputs CLK0-CLK3 (pins 72, 81, 84, 93) drive global clock networks with low skew (~1 ns across the device). Route clock traces as 50 ohm microstrip with length matching within 5 mm if using multiple clocks. Place clock generator (e.g., CY22393) within 25 mm of the FPGA clock pins. Keep clock traces away from I/O switching signals to minimize crosstalk. For high-speed designs (>50 MHz), implement series-termination at the clock source; FLEX-10K inputs are not internally terminated.
מידע על תאימות
SnPb lead finish (non-RoHS); choose -N suffix variant for RoHS compliance. Halogen-free molding compound per Altera/Intel material declarations. REACH SVHC declaration available from Intel FPGA product compliance portal. Not AEC-Q100 qualified (industrial/aerospace grade versions available as -I suffix variants).
