EPF10K50VRC240-4 - 50K Gate FLEX-10K FPGA, 240-Pin RQFP | Altera / Intel
MPN: EPF10K50VRC240-4 ✗ Akhir HidupEPF10K50VRC240-4 Ringkasan
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.
Alternatif penggantian untuk EPF10K50VRC240-4 — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.
Variasi di dalam seri ini
Model-series yang sama yang kompatibel dengan penggantian EPF10K50VRC240-4 (sama faktor bentuk dan footprint) — berbeda di dalam Package, Family, Operating Temperature, Speed Grade, Configuration Method.
EPF10K50VRC240-4N
✅ Drop-InKontak untuk harga
Lihat Datasheet →EPF10K50VRC240-3N
✅ Drop-InKontak untuk harga
Lihat Datasheet →EPF10K50VRC240-3
✅ Drop-InKontak untuk harga
Lihat Datasheet →EPF10K50VRC240-2N
✅ Drop-InKontak untuk harga
Lihat Datasheet →EPF10K50VRC240-2
✅ Drop-InKontak untuk harga
Lihat Datasheet →EPF10K50VRC240-1N
✅ Drop-InKontak untuk harga
Lihat Datasheet →EPF10K50VRC240-1
✅ Drop-InKontak untuk harga
Lihat Datasheet →EPF10K50VRC240-4 Rating Maksimal & Karakteristik Listrik
| 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) |
| Paket | 240-pin RQFP (RQFP-240) with exposed pad |
| Tipe Mounting | 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 |
| Suhu Kerja | 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) |
Konfigurasi Pin EPF10K50VRC240-4
| Pin produk 1 | I/O — User I/O pin (bank 1) |
| Pin produk 2 | I/O — User I/O pin (bank 1) |
| Pin produk 3 | VCCINT — Core supply voltage (3.3V) |
| Pin produk 4 | I/O — User I/O pin (bank 1) |
| Pin produk 5 | I/O — User I/O pin (bank 1) |
| Pin produk 6 | GND — Ground |
| Pin produk 7 | I/O — User I/O pin (bank 1) |
| Pin produk 8 | I/O — User I/O pin (bank 1) |
| Pin produk 9 | nCONFIG — Configuration control (active-low) |
| Pin produk 10 | I/O — User I/O pin (bank 1) |
| Pin produk 11 | I/O — User I/O pin (bank 1) |
| Pin produk 12 | MSEL0 — Configuration mode select 0 |
| Pin produk 13 | I/O — User I/O pin (bank 1) |
| Pin produk 14 | I/O — User I/O pin (bank 1) |
| Pin produk 15 | VCCIO1 — I/O supply bank 1 (3.3V or 5V) |
| Pin produk 16 | I/O — User I/O pin (bank 2) |
| Pin produk 17 | I/O — User I/O pin (bank 2) |
| Pin produk 18 | GND — Ground |
| Pin produk 19 | I/O — User I/O pin (bank 2) |
| Pin produk 20 | I/O — User I/O pin (bank 2) |
| Pin produk 21 | nSTATUS — Configuration status (active-low) |
| Pin produk 22 | I/O — User I/O pin (bank 2) |
| Pin produk 23 | I/O — User I/O pin (bank 2) |
| Pin produk 24 | MSEL1 — Configuration mode select 1 |
| Pin produk 25 | I/O — User I/O pin (bank 2) |
| Pin produk 26 | I/O — User I/O pin (bank 2) |
| Pin produk 27 | VCCINT — Core supply voltage (3.3V) |
| Pin produk 28 | I/O — User I/O pin (bank 2) |
| Pin produk 29 | I/O — User I/O pin (bank 2) |
| Pin produk 30 | GND — Ground |
| Pin produk 31 | I/O — User I/O pin (bank 3) |
| Pin produk 32 | I/O — User I/O pin (bank 3) |
| Pin produk 33 | DCLK — Configuration clock |
| Pin produk 34 | I/O — User I/O pin (bank 3) |
| Pin produk 35 | I/O — User I/O pin (bank 3) |
| Pin produk 36 | CONF_DONE — Configuration complete (open-drain) |
| Pin produk 37 | I/O — User I/O pin (bank 3) |
| Pin produk 38 | I/O — User I/O pin (bank 3) |
| Pin produk 39 | VCCIO2 — I/O supply bank 2 (3.3V or 5V) |
| Pin produk 40 | I/O — User I/O pin (bank 3) |
| Pin produk 41 | I/O — User I/O pin (bank 3) |
| Pin produk 42 | GND — Ground |
| Pin produk 43 | I/O — User I/O pin (bank 3) |
| Pin produk 44 | I/O — User I/O pin (bank 3) |
| Pin produk 45 | TDI — JTAG Test Data In |
| Pin produk 46 | I/O — User I/O pin (bank 3) |
| Pin produk 47 | I/O — User I/O pin (bank 3) |
| Pin produk 48 | TCK — JTAG Test Clock |
| Pin produk 49 | I/O — User I/O pin (bank 3) |
| Pin produk 50 | I/O — User I/O pin (bank 3) |
| Pin produk 51 | VCCINT — Core supply voltage (3.3V) |
| Pin produk 52 | I/O — User I/O pin (bank 4) |
| Pin produk 53 | I/O — User I/O pin (bank 4) |
| Pin produk 54 | GND — Ground |
| Pin produk 55 | I/O — User I/O pin (bank 4) |
| Pin produk 56 | I/O — User I/O pin (bank 4) |
| Pin produk 57 | TMS — JTAG Test Mode Select |
| Pin produk 58 | I/O — User I/O pin (bank 4) |
| Pin produk 59 | I/O — User I/O pin (bank 4) |
| Pin produk 60 | TDO — JTAG Test Data Out |
| Pin produk 61 | I/O — User I/O pin (bank 4) |
| Pin produk 62 | I/O — User I/O pin (bank 4) |
| Pin produk 63 | VCCIO3 — I/O supply bank 3 (3.3V or 5V) |
| Pin produk 64 | I/O — User I/O pin (bank 4) |
| Pin produk 65 | I/O — User I/O pin (bank 4) |
| Pin produk 66 | GND — Ground |
| Pin produk 67 | I/O — User I/O pin (bank 4) |
| Pin produk 68 | I/O — User I/O pin (bank 4) |
| Pin produk 69 | TRST — JTAG Test Reset (active-low) |
| Pin produk 70 | I/O — User I/O pin (bank 4) |
| Pin produk 71 | I/O — User I/O pin (bank 4) |
| Pin produk 72 | CLK0 — Dedicated clock input 0 |
| Pin produk 73 | I/O — User I/O pin (bank 4) |
| Pin produk 74 | I/O — User I/O pin (bank 4) |
| Pin produk 75 | VCCINT — Core supply voltage (3.3V) |
| Pin produk 76 | I/O — User I/O pin (bank 5) |
| Pin produk 77 | I/O — User I/O pin (bank 5) |
| Pin produk 78 | GND — Ground |
| Pin produk 79 | I/O — User I/O pin (bank 5) |
| Pin produk 80 | I/O — User I/O pin (bank 5) |
| Pin produk 81 | CLK1 — Dedicated clock input 1 |
| Pin produk 82 | I/O — User I/O pin (bank 5) |
| Pin produk 83 | I/O — User I/O pin (bank 5) |
| Pin produk 84 | CLK2 — Dedicated clock input 2 |
| Pin produk 85 | I/O — User I/O pin (bank 5) |
| Pin produk 86 | I/O — User I/O pin (bank 5) |
| Pin produk 87 | VCCIO4 — I/O supply bank 4 (3.3V or 5V) |
| Pin produk 88 | I/O — User I/O pin (bank 5) |
| Pin produk 89 | I/O — User I/O pin (bank 5) |
| Pin produk 90 | GND — Ground |
| Pin produk 91 | I/O — User I/O pin (bank 5) |
| Pin produk 92 | I/O — User I/O pin (bank 5) |
| Pin produk 93 | CLK3 — Dedicated clock input 3 |
| Pin produk 94 | I/O — User I/O pin (bank 5) |
| Pin produk 95 | I/O — User I/O pin (bank 5) |
| Pin produk 96 | DATA0 — Configuration data bit 0 |
| Pin produk 97 | I/O — User I/O pin (bank 5) |
| Pin produk 98 | I/O — User I/O pin (bank 5) |
| Pin produk 99 | VCCINT — Core supply voltage (3.3V) |
| Pin produk 100 | I/O — User I/O pin (bank 5) |
| Pin produk 101 | I/O — User I/O pin (bank 6) |
| Pin produk 102 | GND — Ground |
| Pin produk 103 | I/O — User I/O pin (bank 6) |
| Pin produk 104 | I/O — User I/O pin (bank 6) |
| Pin produk 105 | DATA1 — Configuration data bit 1 |
| Pin produk 106 | I/O — User I/O pin (bank 6) |
| Pin produk 107 | I/O — User I/O pin (bank 6) |
| Pin produk 108 | DATA2 — Configuration data bit 2 |
| Pin produk 109 | I/O — User I/O pin (bank 6) |
| Pin produk 110 | I/O — User I/O pin (bank 6) |
| Pin produk 111 | VCCIO5 — I/O supply bank 5 (3.3V or 5V) |
| Pin produk 112 | I/O — User I/O pin (bank 6) |
| Pin produk 113 | I/O — User I/O pin (bank 6) |
| Pin produk 114 | GND — Ground |
| Pin produk 115 | I/O — User I/O pin (bank 6) |
| Pin produk 116 | I/O — User I/O pin (bank 6) |
| Pin produk 117 | DATA3 — Configuration data bit 3 |
| Pin produk 118 | I/O — User I/O pin (bank 6) |
| Pin produk 119 | I/O — User I/O pin (bank 6) |
| Pin produk 120 | DATA4 — Configuration data bit 4 |
| Pin produk 121 | I/O — User I/O pin (bank 6) |
| Pin produk 122 | I/O — User I/O pin (bank 6) |
| Pin produk 123 | VCCINT — Core supply voltage (3.3V) |
| Pin produk 124 | I/O — User I/O pin (bank 7) |
| Pin produk 125 | I/O — User I/O pin (bank 7) |
| Pin produk 126 | GND — Ground |
| Pin produk 127 | I/O — User I/O pin (bank 7) |
| Pin produk 128 | I/O — User I/O pin (bank 7) |
| Pin produk 129 | DATA5 — Configuration data bit 5 |
| Pin produk 130 | I/O — User I/O pin (bank 7) |
| Pin produk 131 | I/O — User I/O pin (bank 7) |
| Pin produk 132 | DATA6 — Configuration data bit 6 |
| Pin produk 133 | I/O — User I/O pin (bank 7) |
| Pin produk 134 | I/O — User I/O pin (bank 7) |
| Pin produk 135 | VCCIO6 — I/O supply bank 6 (3.3V or 5V) |
| Pin produk 136 | I/O — User I/O pin (bank 7) |
| Pin produk 137 | I/O — User I/O pin (bank 7) |
| Pin produk 138 | GND — Ground |
| Pin produk 139 | I/O — User I/O pin (bank 7) |
| Pin produk 140 | I/O — User I/O pin (bank 7) |
| Pin produk 141 | DATA7 — Configuration data bit 7 |
| Pin produk 142 | I/O — User I/O pin (bank 7) |
| Pin produk 143 | I/O — User I/O pin (bank 7) |
| Pin produk 144 | DEV_OE — Device-wide output enable (active-low) |
| Pin produk 145 | I/O — User I/O pin (bank 7) |
| Pin produk 146 | I/O — User I/O pin (bank 7) |
| Pin produk 147 | VCCINT — Core supply voltage (3.3V) |
| Pin produk 148 | I/O — User I/O pin (bank 8) |
| Pin produk 149 | I/O — User I/O pin (bank 8) |
| Pin produk 150 | GND — Ground |
| Pin produk 151 | I/O — User I/O pin (bank 8) |
| Pin produk 152 | I/O — User I/O pin (bank 8) |
| Pin produk 153 | I/O — User I/O pin (bank 8) |
| Pin produk 154 | I/O — User I/O pin (bank 8) |
| Pin produk 155 | I/O — User I/O pin (bank 8) |
| Pin produk 156 | I/O — User I/O pin (bank 8) |
| Pin produk 157 | I/O — User I/O pin (bank 8) |
| Pin produk 158 | I/O — User I/O pin (bank 8) |
| Pin produk 159 | VCCIO7 — I/O supply bank 7 (3.3V or 5V) |
| Pin produk 160 | I/O — User I/O pin (bank 8) |
| Pin produk 161 | I/O — User I/O pin (bank 8) |
| Pin produk 162 | GND — Ground |
| Pin produk 163 | I/O — User I/O pin (bank 8) |
| Pin produk 164 | I/O — User I/O pin (bank 8) |
| Pin produk 165 | I/O — User I/O pin (bank 8) |
| Pin produk 166 | I/O — User I/O pin (bank 8) |
| Pin produk 167 | I/O — User I/O pin (bank 8) |
| Pin produk 168 | I/O — User I/O pin (bank 8) |
| Pin produk 169 | I/O — User I/O pin (bank 8) |
| Pin produk 170 | I/O — User I/O pin (bank 8) |
| Pin produk 171 | VCCINT — Core supply voltage (3.3V) |
| Pin produk 172 | I/O — User I/O pin (bank 8) |
| Pin produk 173 | I/O — User I/O pin (bank 8) |
| Pin produk 174 | GND — Ground |
| Pin produk 175 | I/O — User I/O pin (bank 8) |
| Pin produk 176 | I/O — User I/O pin (bank 8) |
| Pin produk 177 | I/O — User I/O pin (bank 1) |
| Pin produk 178 | I/O — User I/O pin (bank 1) |
| Pin produk 179 | I/O — User I/O pin (bank 1) |
| Pin produk 180 | I/O — User I/O pin (bank 1) |
| Pin produk 181 | I/O — User I/O pin (bank 1) |
| Pin produk 182 | I/O — User I/O pin (bank 1) |
| Pin produk 183 | I/O — User I/O pin (bank 1) |
| Pin produk 184 | I/O — User I/O pin (bank 1) |
| Pin produk 185 | I/O — User I/O pin (bank 1) |
| Pin produk 186 | I/O — User I/O pin (bank 1) |
| Pin produk 187 | I/O — User I/O pin (bank 1) |
| Pin produk 188 | I/O — User I/O pin (bank 1) |
| Pin produk 189 | I/O — User I/O pin (bank 1) |
| Pin produk 190 | I/O — User I/O pin (bank 1) |
| Pin produk 191 | I/O — User I/O pin (bank 1) |
| Pin produk 192 | I/O — User I/O pin (bank 1) |
| Pin produk 193 | I/O — User I/O pin (bank 1) |
| Pin produk 194 | I/O — User I/O pin (bank 1) |
| Pin produk 195 | I/O — User I/O pin (bank 1) |
| Pin produk 196 | I/O — User I/O pin (bank 1) |
| Pin produk 197 | I/O — User I/O pin (bank 1) |
| Pin produk 198 | I/O — User I/O pin (bank 1) |
| Pin produk 199 | I/O — User I/O pin (bank 1) |
| Pin produk 200 | I/O — User I/O pin (bank 1) |
| Pin produk 201 | I/O — User I/O pin (bank 1) |
| Pin produk 202 | I/O — User I/O pin (bank 1) |
| Pin produk 203 | I/O — User I/O pin (bank 1) |
| Pin produk 204 | I/O — User I/O pin (bank 1) |
| Pin produk 205 | I/O — User I/O pin (bank 1) |
| Pin produk 206 | I/O — User I/O pin (bank 1) |
| Pin produk 207 | I/O — User I/O pin (bank 1) |
| Pin produk 208 | I/O — User I/O pin (bank 1) |
| Pin produk 209 | I/O — User I/O pin (bank 1) |
| Pin produk 210 | I/O — User I/O pin (bank 1) |
| Pin produk 211 | I/O — User I/O pin (bank 1) |
| Pin produk 212 | I/O — User I/O pin (bank 1) |
| Pin produk 213 | I/O — User I/O pin (bank 1) |
| Pin produk 214 | I/O — User I/O pin (bank 1) |
| Pin produk 215 | I/O — User I/O pin (bank 1) |
| Pin produk 216 | I/O — User I/O pin (bank 1) |
| Pin produk 217 | I/O — User I/O pin (bank 1) |
| Pin produk 218 | I/O — User I/O pin (bank 1) |
| Pin produk 219 | I/O — User I/O pin (bank 1) |
| Pin produk 220 | I/O — User I/O pin (bank 1) |
| Pin produk 221 | I/O — User I/O pin (bank 1) |
| Pin produk 222 | I/O — User I/O pin (bank 1) |
| Pin produk 223 | I/O — User I/O pin (bank 1) |
| Pin produk 224 | I/O — User I/O pin (bank 1) |
| Pin produk 225 | I/O — User I/O pin (bank 1) |
| Pin produk 226 | I/O — User I/O pin (bank 1) |
| Pin produk 227 | I/O — User I/O pin (bank 1) |
| Pin produk 228 | I/O — User I/O pin (bank 1) |
| Pin produk 229 | I/O — User I/O pin (bank 1) |
| Pin produk 230 | I/O — User I/O pin (bank 1) |
| Pin produk 231 | I/O — User I/O pin (bank 1) |
| Pin produk 232 | I/O — User I/O pin (bank 1) |
| Pin produk 233 | I/O — User I/O pin (bank 1) |
| Pin produk 234 | I/O — User I/O pin (bank 1) |
| Pin produk 235 | I/O — User I/O pin (bank 1) |
| Pin produk 236 | I/O — User I/O pin (bank 1) |
| Pin produk 237 | I/O — User I/O pin (bank 1) |
| Pin produk 238 | I/O — User I/O pin (bank 1) |
| Pin produk 239 | I/O — User I/O pin (bank 1) |
| Pin produk 240 | Exposed Pad — Thermal pad (must be soldered to PCB ground plane for heat dissipation) |
Aplikasi Umum
EPF10K50VRC240-4 cocok untuk 6 aplikasis: 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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk EPF10K50VRC240-4 — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | 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 |
Diferensiator Kunci
- Fastest speed grade in FLEX-10K50VRC240 family (vsEPF10K50VRC240-3N)
- Original legacy / non-RoHS lead finish (vsEPF10K50VRC240-4N)
- More user I/Os (189) than smaller FLEX-10K packages (vsEPF10K50STC144-3 (144-pin TQFP))
Catatan Desain
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.
Informasi Konformitas
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).