EPF10K30AQC208-3N - 30K Gates FLEX 10KA FPGA, 208-PQFP | Intel / Altera
N.º da peça: EPF10K30AQC208-3N ✗ Fim de vida| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $38.5 | $38,50 |
| 10 | $33.2 | $332,00 |
| 100 | $26.8 | $2.680,00 |
| 500 | $22.45 | $11.225,00 |
| 1.000 | $19.1 | $19.100,00 |
EPF10K30AQC208-3N Visão geral
A Field-Programmable Gate Array (FPGA) is a semiconductor device whose logic function is defined by user-loaded configuration memory rather than hard-wired mask layers. FPGAs sit in the programmable-logic hierarchy between simple Complex Programmable Logic Devices (CPLDs) and high-density Application-Specific Integrated Circuits (ASICs), giving engineers hardware-reconfigurable glue logic, datapath acceleration, and bus-interface bridging without any NRE charges. The FLEX 10KA family was Intel / Altera’s first generation to embed dedicated array blocks (EABs) for efficient RAM and DSP megafunctions, marking the transition from pure glue logic to System-on-a-Programmable-Chip (SOPC) integration.
Key features of the EPF10K30AQC208-3N include 216 Logic Array Blocks (LABs) organised in rows and columns, embedded array blocks for dual-port RAM and ROM, MultiVolt I/O allowing mixed-voltage interfacing on the same die, pin-controlled PCI-clamping diodes, slew-rate control, and open-drain output options. The PLICE antifuse-style configuration scheme is replaced here by an SRAM configuration cell, supporting in-system reconfigurability via the serial or parallel configuration port. The exposed MultiVolt interface simplifies bridging between 3.3 V cores and 5.0 V or 2.5 V peripherals.
Typical applications include PCI bus controllers, telecommunications line cards, industrial glue logic, protocol bridging (UART, I²C, SPI bridges), legacy ASIC replacement, and parallel DSP datapath prototyping. The combination of 12 Kbit embedded memory, 147 I/Os and 125 MHz Fmax makes it well-suited to mid-density control-plane designs where cost per gate dominates over raw performance.
When designing with this part, allocate the configuration PROM or microcontroller interface early in the schematic because FLEX 10KA devices do not retain their configuration when power is removed. The MultiVolt VCCIO rail must be tied before or simultaneously with VCCINT to avoid latch-up. Use the Quartus / MAX+PLUS II Legacy device libraries and observe the 208-PQFP thermal envelope (θJA ≈ 35 °C/W typical) when calculating airflow in dense line-card layouts.
This page synthesises distributor pricing, drop-in same-package alternatives and practical design notes that go beyond the marketing datasheet, so procurement engineers and FPGA designers can make a confident selection.
Alternativas drop-in para EPF10K30AQC208-3N — 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 EPF10K30AQC208-3N (mesmo formato e footprint) — diferindo em Family, Process Technology, Package, Speed Grade, Operating Temperature.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
EPF10K30AQC208-3
✅ Drop-In✓ Em estoque
$15.4 / unidade
Ver ficha técnica →EPF10K30AQC208-2N
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
EPF10K30AQC208-1N
✅ Drop-In✓ Em estoque
$21.4 / unidade
Ver ficha técnica →EPF10K30AQI208-3N
✅ Drop-In✓ Em estoque
$28.9 / unidade
Ver ficha técnica →EPF10K10AQC208-3N
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$49.9 / unidade
Ver ficha técnica →EPF10K30AQC208-3N Classificações máximas e características elétricas
| Series | FLEX 10KA |
| Family | FLEX-10KA |
| Number of Logic Elements / Cells | 1728 |
| Total RAM Bits | 12288 bits |
| Number of Logic Array Blocks (LABs) | 216 |
| Number of Gates (typical) | 30000 |
| Number of I/O Pins | 147 |
| Supply Voltage Core (VCCINT) | 3.3 V |
| Technology / Process | 0.3 µm CMOS |
| Maximum Operating Frequency | 125 MHz |
| Encapsulamento / Caixa | 208-BFQFP (PQFP-208) |
| Tipo de montagem | Surface Mount |
| Temperatura de operação | 0 °C to +70 °C (commercial) |
| Speed Grade | -3 |
| Configuration Method | SRAM-based, serial or parallel |
Configuração de pinos do EPF10K30AQC208-3N
| Pino 1 | I/O — User I/O pin (bank 1) |
| Pino 2 | I/O — User I/O pin (bank 1) |
| Pino 3 | I/O — User I/O pin (bank 1) |
| Pino 4 | I/O — User I/O pin (bank 1) |
| Pino 5 | VCCIO1 — I/O bank 1 supply voltage (MultiVolt) |
| Pino 6 | I/O — User I/O pin (bank 1) |
| Pino 7 | I/O — User I/O pin (bank 1) |
| Pino 8 | I/O — User I/O pin (bank 1) |
| Pino 9 | I/O — User I/O pin (bank 1) |
| Pino 10 | I/O — User I/O pin (bank 1) |
| Pino 11 | I/O — User I/O pin (bank 1) |
| Pino 12 | I/O — User I/O pin (bank 1) |
| Pino 13 | I/O — User I/O pin (bank 1) |
| Pino 14 | I/O — User I/O pin (bank 1) |
| Pino 15 | VCCINT — Core supply voltage (3.3 V) |
| Pino 16 | GND — Ground |
| Pino 17 | I/O — User I/O pin (bank 1) |
| Pino 18 | I/O — User I/O pin (bank 1) |
| Pino 19 | I/O — User I/O pin (bank 1) |
| Pino 20 | I/O — User I/O pin (bank 1) |
| Pino 21 | I/O — User I/O pin (bank 1) |
| Pino 22 | I/O — User I/O pin (bank 1) |
| Pino 23 | I/O — User I/O pin (bank 1) |
| Pino 24 | I/O — User I/O pin (bank 1) |
| Pino 25 | I/O — User I/O pin (bank 1) |
| Pino 26 | I/O — User I/O pin (bank 1) |
| Pino 27 | I/O — User I/O pin (bank 1) |
| Pino 28 | I/O — User I/O pin (bank 1) |
| Pino 29 | I/O — User I/O pin (bank 1) |
| Pino 30 | I/O — User I/O pin (bank 1) |
| Pino 31 | I/O — User I/O pin (bank 1) |
| Pino 32 | I/O — User I/O pin (bank 1) |
| Pino 33 | I/O — User I/O pin (bank 1) |
| Pino 34 | I/O — User I/O pin (bank 1) |
| Pino 35 | I/O — User I/O pin (bank 1) |
| Pino 36 | I/O — User I/O pin (bank 1) |
| Pino 37 | GND — Ground |
| Pino 38 | VCCINT — Core supply voltage (3.3 V) |
| Pino 39 | I/O — User I/O pin (bank 2) |
| Pino 40 | I/O — User I/O pin (bank 2) |
| Pino 41 | I/O — User I/O pin (bank 2) |
| Pino 42 | I/O — User I/O pin (bank 2) |
| Pino 43 | I/O — User I/O pin (bank 2) |
| Pino 44 | VCCIO2 — I/O bank 2 supply voltage (MultiVolt) |
| Pino 45 | I/O — User I/O pin (bank 2) |
| Pino 46 | I/O — User I/O pin (bank 2) |
| Pino 47 | I/O — User I/O pin (bank 2) |
| Pino 48 | I/O — User I/O pin (bank 2) |
| Pino 49 | I/O — User I/O pin (bank 2) |
| Pino 50 | I/O — User I/O pin (bank 2) |
| Pino 51 | I/O — User I/O pin (bank 2) |
| Pino 52 | I/O — User I/O pin (bank 2) |
| Pino 53 | I/O — User I/O pin (bank 2) |
| Pino 54 | I/O — User I/O pin (bank 2) |
| Pino 55 | I/O — User I/O pin (bank 2) |
| Pino 56 | I/O — User I/O pin (bank 2) |
| Pino 57 | I/O — User I/O pin (bank 2) |
| Pino 58 | I/O — User I/O pin (bank 2) |
| Pino 59 | I/O — User I/O pin (bank 2) |
| Pino 60 | I/O — User I/O pin (bank 2) |
| Pino 61 | I/O — User I/O pin (bank 2) |
| Pino 62 | I/O — User I/O pin (bank 2) |
| Pino 63 | I/O — User I/O pin (bank 2) |
| Pino 64 | I/O — User I/O pin (bank 2) |
| Pino 65 | I/O — User I/O pin (bank 2) |
| Pino 66 | I/O — User I/O pin (bank 2) |
| Pino 67 | I/O — User I/O pin (bank 2) |
| Pino 68 | I/O — User I/O pin (bank 2) |
| Pino 69 | GND — Ground |
| Pino 70 | VCCINT — Core supply voltage (3.3 V) |
| Pino 71 | I/O — User I/O pin (bank 3) |
| Pino 72 | I/O — User I/O pin (bank 3) |
| Pino 73 | I/O — User I/O pin (bank 3) |
| Pino 74 | I/O — User I/O pin (bank 3) |
| Pino 75 | VCCIO3 — I/O bank 3 supply voltage (MultiVolt) |
| Pino 76 | I/O — User I/O pin (bank 3) |
| Pino 77 | I/O — User I/O pin (bank 3) |
| Pino 78 | I/O — User I/O pin (bank 3) |
| Pino 79 | I/O — User I/O pin (bank 3) |
| Pino 80 | I/O — User I/O pin (bank 3) |
| Pino 81 | I/O — User I/O pin (bank 3) |
| Pino 82 | I/O — User I/O pin (bank 3) |
| Pino 83 | I/O — User I/O pin (bank 3) |
| Pino 84 | I/O — User I/O pin (bank 3) |
| Pino 85 | I/O — User I/O pin (bank 3) |
| Pino 86 | I/O — User I/O pin (bank 3) |
| Pino 87 | I/O — User I/O pin (bank 3) |
| Pino 88 | I/O — User I/O pin (bank 3) |
| Pino 89 | I/O — User I/O pin (bank 3) |
| Pino 90 | I/O — User I/O pin (bank 3) |
| Pino 91 | I/O — User I/O pin (bank 3) |
| Pino 92 | I/O — User I/O pin (bank 3) |
| Pino 93 | I/O — User I/O pin (bank 3) |
| Pino 94 | I/O — User I/O pin (bank 3) |
| Pino 95 | I/O — User I/O pin (bank 3) |
| Pino 96 | I/O — User I/O pin (bank 3) |
| Pino 97 | I/O — User I/O pin (bank 3) |
| Pino 98 | I/O — User I/O pin (bank 3) |
| Pino 99 | I/O — User I/O pin (bank 3) |
| Pino 100 | I/O — User I/O pin (bank 3) |
| Pino 101 | I/O — User I/O pin (bank 3) |
| Pino 102 | GND — Ground |
| Pino 103 | VCCINT — Core supply voltage (3.3 V) |
| Pino 104 | I/O — User I/O pin (bank 4) |
| Pino 105 | I/O — User I/O pin (bank 4) |
| Pino 106 | I/O — User I/O pin (bank 4) |
| Pino 107 | I/O — User I/O pin (bank 4) |
| Pino 108 | I/O — User I/O pin (bank 4) |
| Pino 109 | I/O — User I/O pin (bank 4) |
| Pino 110 | VCCIO4 — I/O bank 4 supply voltage (MultiVolt) |
| Pino 111 | I/O — User I/O pin (bank 4) |
| Pino 112 | I/O — User I/O pin (bank 4) |
| Pino 113 | I/O — User I/O pin (bank 4) |
| Pino 114 | I/O — User I/O pin (bank 4) |
| Pino 115 | I/O — User I/O pin (bank 4) |
| Pino 116 | I/O — User I/O pin (bank 4) |
| Pino 117 | I/O — User I/O pin (bank 4) |
| Pino 118 | I/O — User I/O pin (bank 4) |
| Pino 119 | I/O — User I/O pin (bank 4) |
| Pino 120 | I/O — User I/O pin (bank 4) |
| Pino 121 | I/O — User I/O pin (bank 4) |
| Pino 122 | I/O — User I/O pin (bank 4) |
| Pino 123 | I/O — User I/O pin (bank 4) |
| Pino 124 | I/O — User I/O pin (bank 4) |
| Pino 125 | I/O — User I/O pin (bank 4) |
| Pino 126 | I/O — User I/O pin (bank 4) |
| Pino 127 | I/O — User I/O pin (bank 4) |
| Pino 128 | I/O — User I/O pin (bank 4) |
| Pino 129 | I/O — User I/O pin (bank 4) |
| Pino 130 | I/O — User I/O pin (bank 4) |
| Pino 131 | I/O — User I/O pin (bank 4) |
| Pino 132 | I/O — User I/O pin (bank 4) |
| Pino 133 | I/O — User I/O pin (bank 4) |
| Pino 134 | I/O — User I/O pin (bank 4) |
| Pino 135 | GND — Ground |
| Pino 136 | VCCINT — Core supply voltage (3.3 V) |
| Pino 137 | I/O — User I/O pin (bank 4) |
| Pino 138 | I/O — User I/O pin (bank 4) |
| Pino 139 | I/O — User I/O pin (bank 4) |
| Pino 140 | I/O — User I/O pin (bank 4) |
| Pino 141 | I/O — User I/O pin (bank 4) |
| Pino 142 | I/O — User I/O pin (bank 4) |
| Pino 143 | I/O — User I/O pin (bank 4) |
| Pino 144 | I/O — User I/O pin (bank 4) |
| Pino 145 | I/O — User I/O pin (bank 4) |
| Pino 146 | I/O — User I/O pin (bank 4) |
| Pino 147 | I/O — User I/O pin (bank 4) |
| Pino 148 | I/O — User I/O pin (bank 4) |
| Pino 149 | I/O — User I/O pin (bank 4) |
| Pino 150 | I/O — User I/O pin (bank 4) |
| Pino 151 | I/O — User I/O pin (bank 4) |
| Pino 152 | I/O — User I/O pin (bank 4) |
| Pino 153 | TDI — JTAG Test Data In |
| Pino 154 | TMS — JTAG Test Mode Select |
| Pino 155 | TCK — JTAG Test Clock |
| Pino 156 | nSTATUS — Configuration status (open-drain) |
| Pino 157 | nCONFIG — Configuration control (active-low) |
| Pino 158 | CONF_DONE — Configuration done (open-drain) |
| Pino 159 | DCLK — Configuration clock |
| Pino 160 | DATA0 — Configuration data input |
| Pino 161 | VCCINT — Core supply voltage (3.3 V) |
| Pino 162 | GND — Ground |
| Pino 163 | I/O — User I/O pin (bank 1) |
| Pino 164 | I/O — User I/O pin (bank 1) |
| Pino 165 | I/O — User I/O pin (bank 1) |
| Pino 166 | I/O — User I/O pin (bank 1) |
| Pino 167 | I/O — User I/O pin (bank 1) |
| Pino 168 | I/O — User I/O pin (bank 1) |
| Pino 169 | I/O — User I/O pin (bank 1) |
| Pino 170 | I/O — User I/O pin (bank 1) |
| Pino 171 | I/O — User I/O pin (bank 1) |
| Pino 172 | I/O — User I/O pin (bank 1) |
| Pino 173 | I/O — User I/O pin (bank 1) |
| Pino 174 | I/O — User I/O pin (bank 1) |
| Pino 175 | I/O — User I/O pin (bank 1) |
| Pino 176 | I/O — User I/O pin (bank 1) |
| Pino 177 | VCCIO1 — I/O bank 1 supply voltage (MultiVolt) |
| 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 | GND — Ground |
| Pino 198 | VCCINT — Core supply voltage (3.3 V) |
| Pino 199 | I/O — User I/O pin (bank 2) |
| Pino 200 | I/O — User I/O pin (bank 2) |
| Pino 201 | I/O — User I/O pin (bank 2) |
| Pino 202 | I/O — User I/O pin (bank 2) |
| Pino 203 | TDO — JTAG Test Data Out |
| Pino 204 | I/O — User I/O pin (bank 2) |
| Pino 205 | I/O — User I/O pin (bank 2) |
| Pino 206 | VCCIO2 — I/O bank 2 supply voltage (MultiVolt) |
| Pino 207 | I/O — User I/O pin (bank 2) |
| Pino 208 | I/O — User I/O pin (bank 2) |
Aplicações típicas
EPF10K30AQC208-3N é adequado para 6 aplicaçãos: PCI Bus Interface Controller, Telecommunications Line Card Glue Logic, Industrial Control and Machine I/O Bridging, Legacy ASIC Replacement and Mask-Set Rescue, Parallel DSP Datapath Prototyping, Test & Measurement Front-End Logic.
PCI Bus Interface Controller
The EPF10K30AQC208-3N’s 30K gate capacity and 147 user I/Os are well matched to PCI 2.2 bus controllers and target/initiator bridges. With 125 MHz Fmax in the -3 speed grade, the device comfortably meets the 33 MHz PCI clock requirement while leaving room for state machines, FIFOs and sideband control logic. Designers typically implement the PAR/REQ/GNT logic, address decoding, and configuration-space registers inside the FPGA, then pair it with a 3.3 V 5 V-tolerant MultiVolt I/O bank to talk to legacy PCI slots. The on-chip 12,288-bit RAM is sufficient for small transaction FIFOs without resorting to external SRAM. The PQFP-208 footprint keeps the design retrofit-compatible with existing line-card layouts.
Recomendado
Telecommunications Line Card Glue Logic
Telecom line cards often need dozens of bus bridges, framer interfaces and timing-recovery glue, and the EPF10K30AQC208-3N is purpose-built for this role. Its 216 LABs and 1,728 logic elements provide enough capacity to bridge between T1/E1 framers, HDLC controllers and TDM backplanes, while the 147 I/Os let designers route wide parallel buses without external transceivers. The 125 MHz system clock supports 77.76 MHz STS-3 tributary rates with margin, and MultiVolt I/O enables direct interfacing to legacy 5 V framers alongside modern 3.3 V ASICs. The commercial temperature grade covers central-office deployments, while the EPF10K30AQI208-3N sibling covers outdoor enclosures.
Recomendado
Industrial Control and Machine I/O Bridging
Factory automation controllers frequently require a programmable bridge between PLC backplanes, sensor arrays and motor-drive front ends, and the EPF10K30AQC208-3N provides the right mix of I/O count and logic density. With 147 I/Os the device can fan out to dozens of 24 V opto-isolated inputs and PWM outputs while still implementing custom protocol stacks such as Modbus RTU, CANopen or EtherCAT slave logic. The 3.3 V core combined with MultiVolt I/O banks allows mixed interfacing with 5 V legacy sensors and 2.5 V modern MCUs. Engineers can prototype deterministic control loops on the FPGA fabric and migrate to a structured ASIC once volume justifies NRE.
Recomendado
Legacy ASIC Replacement and Mask-Set Rescue
When a mature ASIC goes end-of-life, the EPF10K30AQC208-3N is a proven drop-in replacement platform because its 30K gate capacity matches many 1990s-era gate-array designs. Engineers port the RTL to the FLEX 10KA fabric using MAX+PLUS II or Quartus legacy device libraries, then load the bitstream through the standard EPC configuration PROM chain. The 208-PQFP footprint aligns with the original ASIC land pattern on most legacy boards, eliminating expensive PCB rework. The 12 Kbit embedded RAM covers the FIFO and register-file needs of typical glue-logic ASICs, and the MultiVolt I/O eases migration from 5 V-only ASICs to mixed-voltage systems.
Recomendado
Parallel DSP Datapath Prototyping
Before committing to a structured ASIC, algorithm designers often prototype high-throughput DSP datapaths on FPGAs, and the EPF10K30AQC208-3N delivers adequate fabric and I/O bandwidth for filter and FFT pipelines up to a few MHz of sample rate. The 12,288 bits of distributed RAM provide coefficient storage for FIR filters, while the 1,728 logic elements are sufficient for 16-bit MAC arrays and address generators. At 125 MHz, the device sustains 250 MOPS for 16-bit fixed-point datapaths, suitable for audio, motor-control and instrumentation front ends. The MultiVolt I/O banks make it easy to interface to existing ADCs and DACs on the prototype board.
Recomendado
Test & Measurement Front-End Logic
Bench instruments such as logic analysers, protocol exercisers and production ATE fixtures use mid-density FPGAs to capture, multiplex and timestamp high-speed signals, and the EPF10K30AQC208-3N is a strong fit. Its 147 I/Os handle 32- or 48-channel acquisition buses, while the 125 MHz fabric implements state machines for trigger sequencing, pattern generation and pass/fail comparison. The MultiVolt I/O allows the same FPGA to interface to 1.8 V, 2.5 V, 3.3 V and 5 V targets without level shifters, simplifying fixture design. The 12 Kbit embedded RAM provides elastic buffer storage for asynchronous sample streams.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para EPF10K30AQC208-3N — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | EPF10K30AQC208-3 | EPF10K30AQC208-2N | EPF10K30AQC208-1N | EPF10K30AQI208-3N | EPF10K10AQC208-3N |
|---|---|---|---|---|---|---|
| Brand | Intel / Altera | Intel / Altera | Intel / Altera | Intel / Altera | Intel / Altera | Intel / Altera |
| Package | 208-PQFP (BFQFP) | 208-PQFP (BFQFP) - same | 208-PQFP (BFQFP) - same | 208-PQFP (BFQFP) - same | 208-PQFP (BFQFP) - same | 208-PQFP (BFQFP) - same |
| Logic Elements / Cells | 1728 | 1728 | 1728 | 1728 | 1728 | 576 (-67%) |
| Total Gates | 30K | 30K | 30K | 30K | 30K | 10K (-67%) |
| Speed Grade | -3 | -3 | -2 (slower) | -1 (slowest) | -3 | -3 |
| Operating Temperature | 0 C to +70 C (commercial) | 0 C to +70 C (commercial) | 0 C to +70 C (commercial) | 0 C to +70 C (commercial) | -40 C to +85 C (industrial) | 0 C to +70 C (commercial) |
| Embedded RAM | 12288 bits | 12288 bits | 12288 bits | 12288 bits | 12288 bits | 4096 bits (-67%) |
| Lead-Free / Finish | Lead-free (N suffix) | SnPb finish (non-N) | Lead-free | Lead-free | Lead-free | Lead-free |
| User I/O Pins | 147 | 147 | 147 | 147 | 147 | 134 (-9%) |
Principais diferenciais
- Pb-free lead finish with full speed grade (vs EPF10K30AQC208-3)
- Highest commercial-temperature speed grade (vs EPF10K30AQC208-2N)
- Industrial temperature option in identical footprint (vs EPF10K30AQI208-3N)
- 2x logic density of the smaller EPF10K10A in same package (vs EPF10K10AQC208-3N)
Notas de projeto
The EPF10K30AQC208-3N requires two supply rails: a 3.3 V VCCINT for the core logic and a separate VCCIO (per I/O bank) for the MultiVolt interface. According to the Altera FLEX 10KA datasheet, VCCIO must reach its operating level before or simultaneously with VCCINT during power-up to prevent the I/O buffers from back-powering the core through ESD diodes. Decouple each VCCINT pin with a 0.1 µF ceramic plus a 10 µF tantalum bulk cap, and place 0.1 µF ceramics on every VCCIO pin within 5 mm of the package.
Because FLEX 10KA devices are SRAM-based, they lose configuration when power is removed. A non-volatile configuration source (Altera EPC8QC100 serial PROM, parallel byte-wide flash, or a microcontroller) must be connected to the configuration interface (nCONFIG, nSTATUS, CONF_DONE, DCLK, DATA0). For JTAG programming, tie TMS and TDI high through 10 kΩ pull-ups and use a JTAG header compatible with Altera ByteBlaster or USB-Blaster download cables.
Estimated: at maximum utilisation, the 208-PQFP package dissipates roughly 1.5-2.0 W. With a typical theta_JA of 35 °C/W on a 4-layer JEDEC test board, the junction rises 50-70 °C above ambient. For continuous full-load operation, provide at least 200 LFM of airflow or attach a clip-on heatsink on the package top. Avoid mounting the PQFP in a vertical orientation that traps heat under the leads.
Keep the configuration clock (DCLK) trace short and length-matched to within 25 mm of DATA0 to avoid setup/hold violations at 33 MHz configuration rates. Place the configuration PROM within 50 mm of the FPGA and route its outputs over a continuous ground reference. MultiVolt I/O banks should be grouped on the schematic so that VCCIO pins are tied to a single supply per bank, simplifying the PCB power plane cut-out.
Common pitfalls include (1) forgetting to pull nCONFIG high through 10 kΩ during normal operation, (2) mixing 5 V and 3.3 V signals on the same VCCIO bank, (3) using the non-N finish part on a RoHS-compliant board, and (4) trying to fit more than 147 I/Os in the user I/O budget. Designers should also enable the Quartus / MAX+PLUS II PCI-clamping-diode and slew-rate-control logic options on PCI pins to meet the PCI 2.2 AC specification.
Informações de conformidade
The -N suffix indicates lead-free (Pb-free) matte-tin lead finish, RoHS-compliant. AEC-Q100 not applicable (commercial/industrial-grade FPGA, not automotive-qualified). Halogen-free status not explicitly stated in verified web data.