EPF10K50VRC240-4 - 50K Gate FLEX-10K FPGA, 240-Pin RQFP | Altera / Intel
N.º da peça: EPF10K50VRC240-4 ✗ Fim de vida| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $142.5 | $142,50 |
| 10 | $128.4 | $1.284,00 |
| 100 | $115.2 | $11.520,00 |
| 500 | $98.75 | $49.375,00 |
| 1.000 | $85.3 | $85.300,00 |
EPF10K50VRC240-4 Visão geral
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.
Alternativas drop-in para EPF10K50VRC240-4 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com EPF10K50VRC240-4 (mesmo formato e footprint) — diferindo em Package, Family, Operating Temperature, Speed Grade, Configuration Method.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
EPF10K50VRC240-4N
✅ Drop-In✓ Em estoque
$89.5 / unidade
Ver ficha técnica →EPF10K50VRC240-3N
✅ Drop-In✓ Em estoque
$58.75 / unidade
Ver ficha técnica →EPF10K50VRC240-3
✅ Drop-In✓ Em estoque
$61.75 / unidade
Ver ficha técnica →EPF10K50VRC240-2N
✅ Drop-In✓ Em estoque
$81.2 / unidade
Ver ficha técnica →EPF10K50VRC240-2
✅ Drop-In✓ Em estoque
$18.95 / unidade
Ver ficha técnica →EPF10K50VRC240-1N
✅ Drop-In✓ Em estoque
$28.5 / unidade
Ver ficha técnica →EPF10K50VRC240-1
✅ Drop-In✓ Em estoque
$130.32 / unidade
Ver ficha técnica →EPF10K50VRC240-4 Classificações máximas e características elétricas
| 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) |
| Encapsulamento | 240-pin RQFP (RQFP-240) with exposed pad |
| Tipo de montagem | 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 |
| Temperatura de operação | 0C to +70C (commercial) |
| Configuration Method | SRAM, serial/parallel via EPC2/EPC8 PROM |
| Programming Interface | JTAG (IEEE 1149.1), ByteBlaster, BitBlaster |
| Status RoHS | Non-compliant (legacy SnPb lead frame) |
| Lead-Free | No (commercial grade is SnPb; -N suffix is lead-free) |
Configuração de pinos do EPF10K50VRC240-4
| Pino 1 | I/O — User I/O pin (bank 1) |
| Pino 2 | I/O — User I/O pin (bank 1) |
| Pino 3 | VCCINT — Core supply voltage (3.3V) |
| Pino 4 | I/O — User I/O pin (bank 1) |
| Pino 5 | I/O — User I/O pin (bank 1) |
| Pino 6 | GND — Ground |
| Pino 7 | I/O — User I/O pin (bank 1) |
| Pino 8 | I/O — User I/O pin (bank 1) |
| Pino 9 | nCONFIG — Configuration control (active-low) |
| Pino 10 | I/O — User I/O pin (bank 1) |
| Pino 11 | I/O — User I/O pin (bank 1) |
| Pino 12 | MSEL0 — Configuration mode select 0 |
| Pino 13 | I/O — User I/O pin (bank 1) |
| Pino 14 | I/O — User I/O pin (bank 1) |
| Pino 15 | VCCIO1 — I/O supply bank 1 (3.3V or 5V) |
| Pino 16 | I/O — User I/O pin (bank 2) |
| Pino 17 | I/O — User I/O pin (bank 2) |
| Pino 18 | GND — Ground |
| Pino 19 | I/O — User I/O pin (bank 2) |
| Pino 20 | I/O — User I/O pin (bank 2) |
| Pino 21 | nSTATUS — Configuration status (active-low) |
| Pino 22 | I/O — User I/O pin (bank 2) |
| Pino 23 | I/O — User I/O pin (bank 2) |
| Pino 24 | MSEL1 — Configuration mode select 1 |
| Pino 25 | I/O — User I/O pin (bank 2) |
| Pino 26 | I/O — User I/O pin (bank 2) |
| Pino 27 | VCCINT — Core supply voltage (3.3V) |
| Pino 28 | I/O — User I/O pin (bank 2) |
| Pino 29 | I/O — User I/O pin (bank 2) |
| Pino 30 | GND — Ground |
| Pino 31 | I/O — User I/O pin (bank 3) |
| Pino 32 | I/O — User I/O pin (bank 3) |
| Pino 33 | DCLK — Configuration clock |
| Pino 34 | I/O — User I/O pin (bank 3) |
| Pino 35 | I/O — User I/O pin (bank 3) |
| Pino 36 | CONF_DONE — Configuration complete (open-drain) |
| Pino 37 | I/O — User I/O pin (bank 3) |
| Pino 38 | I/O — User I/O pin (bank 3) |
| Pino 39 | VCCIO2 — I/O supply bank 2 (3.3V or 5V) |
| Pino 40 | I/O — User I/O pin (bank 3) |
| Pino 41 | I/O — User I/O pin (bank 3) |
| Pino 42 | GND — Ground |
| Pino 43 | I/O — User I/O pin (bank 3) |
| Pino 44 | I/O — User I/O pin (bank 3) |
| Pino 45 | TDI — JTAG Test Data In |
| Pino 46 | I/O — User I/O pin (bank 3) |
| Pino 47 | I/O — User I/O pin (bank 3) |
| Pino 48 | TCK — JTAG Test Clock |
| Pino 49 | I/O — User I/O pin (bank 3) |
| Pino 50 | I/O — User I/O pin (bank 3) |
| Pino 51 | VCCINT — Core supply voltage (3.3V) |
| Pino 52 | I/O — User I/O pin (bank 4) |
| Pino 53 | I/O — User I/O pin (bank 4) |
| Pino 54 | GND — Ground |
| Pino 55 | I/O — User I/O pin (bank 4) |
| Pino 56 | I/O — User I/O pin (bank 4) |
| Pino 57 | TMS — JTAG Test Mode Select |
| Pino 58 | I/O — User I/O pin (bank 4) |
| Pino 59 | I/O — User I/O pin (bank 4) |
| Pino 60 | TDO — JTAG Test Data Out |
| Pino 61 | I/O — User I/O pin (bank 4) |
| Pino 62 | I/O — User I/O pin (bank 4) |
| Pino 63 | VCCIO3 — I/O supply bank 3 (3.3V or 5V) |
| Pino 64 | I/O — User I/O pin (bank 4) |
| Pino 65 | I/O — User I/O pin (bank 4) |
| Pino 66 | GND — Ground |
| Pino 67 | I/O — User I/O pin (bank 4) |
| Pino 68 | I/O — User I/O pin (bank 4) |
| Pino 69 | TRST — JTAG Test Reset (active-low) |
| Pino 70 | I/O — User I/O pin (bank 4) |
| Pino 71 | I/O — User I/O pin (bank 4) |
| Pino 72 | CLK0 — Dedicated clock input 0 |
| Pino 73 | I/O — User I/O pin (bank 4) |
| Pino 74 | I/O — User I/O pin (bank 4) |
| Pino 75 | VCCINT — Core supply voltage (3.3V) |
| Pino 76 | I/O — User I/O pin (bank 5) |
| Pino 77 | I/O — User I/O pin (bank 5) |
| Pino 78 | GND — Ground |
| Pino 79 | I/O — User I/O pin (bank 5) |
| Pino 80 | I/O — User I/O pin (bank 5) |
| Pino 81 | CLK1 — Dedicated clock input 1 |
| Pino 82 | I/O — User I/O pin (bank 5) |
| Pino 83 | I/O — User I/O pin (bank 5) |
| Pino 84 | CLK2 — Dedicated clock input 2 |
| Pino 85 | I/O — User I/O pin (bank 5) |
| Pino 86 | I/O — User I/O pin (bank 5) |
| Pino 87 | VCCIO4 — I/O supply bank 4 (3.3V or 5V) |
| Pino 88 | I/O — User I/O pin (bank 5) |
| Pino 89 | I/O — User I/O pin (bank 5) |
| Pino 90 | GND — Ground |
| Pino 91 | I/O — User I/O pin (bank 5) |
| Pino 92 | I/O — User I/O pin (bank 5) |
| Pino 93 | CLK3 — Dedicated clock input 3 |
| Pino 94 | I/O — User I/O pin (bank 5) |
| Pino 95 | I/O — User I/O pin (bank 5) |
| Pino 96 | DATA0 — Configuration data bit 0 |
| Pino 97 | I/O — User I/O pin (bank 5) |
| Pino 98 | I/O — User I/O pin (bank 5) |
| Pino 99 | VCCINT — Core supply voltage (3.3V) |
| Pino 100 | I/O — User I/O pin (bank 5) |
| Pino 101 | I/O — User I/O pin (bank 6) |
| Pino 102 | GND — Ground |
| Pino 103 | I/O — User I/O pin (bank 6) |
| Pino 104 | I/O — User I/O pin (bank 6) |
| Pino 105 | DATA1 — Configuration data bit 1 |
| Pino 106 | I/O — User I/O pin (bank 6) |
| Pino 107 | I/O — User I/O pin (bank 6) |
| Pino 108 | DATA2 — Configuration data bit 2 |
| Pino 109 | I/O — User I/O pin (bank 6) |
| Pino 110 | I/O — User I/O pin (bank 6) |
| Pino 111 | VCCIO5 — I/O supply bank 5 (3.3V or 5V) |
| Pino 112 | I/O — User I/O pin (bank 6) |
| Pino 113 | I/O — User I/O pin (bank 6) |
| Pino 114 | GND — Ground |
| Pino 115 | I/O — User I/O pin (bank 6) |
| Pino 116 | I/O — User I/O pin (bank 6) |
| Pino 117 | DATA3 — Configuration data bit 3 |
| Pino 118 | I/O — User I/O pin (bank 6) |
| Pino 119 | I/O — User I/O pin (bank 6) |
| Pino 120 | DATA4 — Configuration data bit 4 |
| Pino 121 | I/O — User I/O pin (bank 6) |
| Pino 122 | I/O — User I/O pin (bank 6) |
| Pino 123 | VCCINT — Core supply voltage (3.3V) |
| Pino 124 | I/O — User I/O pin (bank 7) |
| Pino 125 | I/O — User I/O pin (bank 7) |
| Pino 126 | GND — Ground |
| Pino 127 | I/O — User I/O pin (bank 7) |
| Pino 128 | I/O — User I/O pin (bank 7) |
| Pino 129 | DATA5 — Configuration data bit 5 |
| Pino 130 | I/O — User I/O pin (bank 7) |
| Pino 131 | I/O — User I/O pin (bank 7) |
| Pino 132 | DATA6 — Configuration data bit 6 |
| Pino 133 | I/O — User I/O pin (bank 7) |
| Pino 134 | I/O — User I/O pin (bank 7) |
| Pino 135 | VCCIO6 — I/O supply bank 6 (3.3V or 5V) |
| Pino 136 | I/O — User I/O pin (bank 7) |
| Pino 137 | I/O — User I/O pin (bank 7) |
| Pino 138 | GND — Ground |
| Pino 139 | I/O — User I/O pin (bank 7) |
| Pino 140 | I/O — User I/O pin (bank 7) |
| Pino 141 | DATA7 — Configuration data bit 7 |
| Pino 142 | I/O — User I/O pin (bank 7) |
| Pino 143 | I/O — User I/O pin (bank 7) |
| Pino 144 | DEV_OE — Device-wide output enable (active-low) |
| Pino 145 | I/O — User I/O pin (bank 7) |
| Pino 146 | I/O — User I/O pin (bank 7) |
| Pino 147 | VCCINT — Core supply voltage (3.3V) |
| Pino 148 | I/O — User I/O pin (bank 8) |
| Pino 149 | I/O — User I/O pin (bank 8) |
| Pino 150 | GND — Ground |
| Pino 151 | I/O — User I/O pin (bank 8) |
| Pino 152 | I/O — User I/O pin (bank 8) |
| Pino 153 | I/O — User I/O pin (bank 8) |
| Pino 154 | I/O — User I/O pin (bank 8) |
| Pino 155 | I/O — User I/O pin (bank 8) |
| Pino 156 | I/O — User I/O pin (bank 8) |
| Pino 157 | I/O — User I/O pin (bank 8) |
| Pino 158 | I/O — User I/O pin (bank 8) |
| Pino 159 | VCCIO7 — I/O supply bank 7 (3.3V or 5V) |
| Pino 160 | I/O — User I/O pin (bank 8) |
| Pino 161 | I/O — User I/O pin (bank 8) |
| Pino 162 | GND — Ground |
| Pino 163 | I/O — User I/O pin (bank 8) |
| Pino 164 | I/O — User I/O pin (bank 8) |
| Pino 165 | I/O — User I/O pin (bank 8) |
| Pino 166 | I/O — User I/O pin (bank 8) |
| Pino 167 | I/O — User I/O pin (bank 8) |
| Pino 168 | I/O — User I/O pin (bank 8) |
| Pino 169 | I/O — User I/O pin (bank 8) |
| Pino 170 | I/O — User I/O pin (bank 8) |
| Pino 171 | VCCINT — Core supply voltage (3.3V) |
| Pino 172 | I/O — User I/O pin (bank 8) |
| Pino 173 | I/O — User I/O pin (bank 8) |
| Pino 174 | GND — Ground |
| Pino 175 | I/O — User I/O pin (bank 8) |
| Pino 176 | I/O — User I/O pin (bank 8) |
| Pino 177 | I/O — User I/O pin (bank 1) |
| Pino 178 | I/O — User I/O pin (bank 1) |
| Pino 179 | I/O — User I/O pin (bank 1) |
| Pino 180 | I/O — User I/O pin (bank 1) |
| Pino 181 | I/O — User I/O pin (bank 1) |
| Pino 182 | I/O — User I/O pin (bank 1) |
| Pino 183 | I/O — User I/O pin (bank 1) |
| Pino 184 | I/O — User I/O pin (bank 1) |
| Pino 185 | I/O — User I/O pin (bank 1) |
| Pino 186 | I/O — User I/O pin (bank 1) |
| Pino 187 | I/O — User I/O pin (bank 1) |
| Pino 188 | I/O — User I/O pin (bank 1) |
| Pino 189 | I/O — User I/O pin (bank 1) |
| Pino 190 | I/O — User I/O pin (bank 1) |
| Pino 191 | I/O — User I/O pin (bank 1) |
| Pino 192 | I/O — User I/O pin (bank 1) |
| Pino 193 | I/O — User I/O pin (bank 1) |
| Pino 194 | I/O — User I/O pin (bank 1) |
| Pino 195 | I/O — User I/O pin (bank 1) |
| Pino 196 | I/O — User I/O pin (bank 1) |
| Pino 197 | I/O — User I/O pin (bank 1) |
| Pino 198 | I/O — User I/O pin (bank 1) |
| Pino 199 | I/O — User I/O pin (bank 1) |
| Pino 200 | I/O — User I/O pin (bank 1) |
| Pino 201 | I/O — User I/O pin (bank 1) |
| Pino 202 | I/O — User I/O pin (bank 1) |
| Pino 203 | I/O — User I/O pin (bank 1) |
| Pino 204 | I/O — User I/O pin (bank 1) |
| Pino 205 | I/O — User I/O pin (bank 1) |
| Pino 206 | I/O — User I/O pin (bank 1) |
| Pino 207 | I/O — User I/O pin (bank 1) |
| Pino 208 | I/O — User I/O pin (bank 1) |
| Pino 209 | I/O — User I/O pin (bank 1) |
| Pino 210 | I/O — User I/O pin (bank 1) |
| Pino 211 | I/O — User I/O pin (bank 1) |
| Pino 212 | I/O — User I/O pin (bank 1) |
| Pino 213 | I/O — User I/O pin (bank 1) |
| Pino 214 | I/O — User I/O pin (bank 1) |
| Pino 215 | I/O — User I/O pin (bank 1) |
| Pino 216 | I/O — User I/O pin (bank 1) |
| Pino 217 | I/O — User I/O pin (bank 1) |
| Pino 218 | I/O — User I/O pin (bank 1) |
| Pino 219 | I/O — User I/O pin (bank 1) |
| Pino 220 | I/O — User I/O pin (bank 1) |
| Pino 221 | I/O — User I/O pin (bank 1) |
| Pino 222 | I/O — User I/O pin (bank 1) |
| Pino 223 | I/O — User I/O pin (bank 1) |
| Pino 224 | I/O — User I/O pin (bank 1) |
| Pino 225 | I/O — User I/O pin (bank 1) |
| Pino 226 | I/O — User I/O pin (bank 1) |
| Pino 227 | I/O — User I/O pin (bank 1) |
| Pino 228 | I/O — User I/O pin (bank 1) |
| Pino 229 | I/O — User I/O pin (bank 1) |
| Pino 230 | I/O — User I/O pin (bank 1) |
| Pino 231 | I/O — User I/O pin (bank 1) |
| Pino 232 | I/O — User I/O pin (bank 1) |
| Pino 233 | I/O — User I/O pin (bank 1) |
| Pino 234 | I/O — User I/O pin (bank 1) |
| Pino 235 | I/O — User I/O pin (bank 1) |
| Pino 236 | I/O — User I/O pin (bank 1) |
| Pino 237 | I/O — User I/O pin (bank 1) |
| Pino 238 | I/O — User I/O pin (bank 1) |
| Pino 239 | I/O — User I/O pin (bank 1) |
| Pino 240 | Exposed Pad — Thermal pad (must be soldered to PCB ground plane for heat dissipation) |
Aplicações típicas
EPF10K50VRC240-4 é adequado para 6 aplicaçãos: 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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para EPF10K50VRC240-4 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | 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 |
Principais diferenciais
- Fastest speed grade in FLEX-10K50VRC240 family (vs EPF10K50VRC240-3N)
- Original legacy / non-RoHS lead finish (vs EPF10K50VRC240-4N)
- More user I/Os (189) than smaller FLEX-10K packages (vs EPF10K50STC144-3 (144-pin TQFP))
Notas de projeto
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.
Informações de conformidade
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).
