EPF10K100EQC208-1N - 100K Gate FLEX-10KE FPGA, 147 I/O, 208-PQFP | Intel
N.º da peça: EPF10K100EQC208-1N ⚠ Última compra| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $95 | $95,00 |
| 10 | $85.5 | $855,00 |
| 100 | $72.25 | $7.225,00 |
| 500 | $61.8 | $30.900,00 |
| 1.000 | $54.9 | $54.900,00 |
EPF10K100EQC208-1N Visão geral
A Field Programmable Gate Array (FPGA) is a type of integrated circuit that contains an array of configurable logic blocks (CLBs), programmable interconnects, and configurable I/O cells. FPGAs sit in the digital logic hierarchy between simple PLDs/CPLDs and ASICs, offering higher logic density than CPLDs while avoiding the NRE cost of ASICs. The FLEX 10K family, launched in the mid-1990s, was the industry's first family to embed dedicated SRAM memory blocks (Embedded Array Blocks, EABs) alongside general-purpose logic, enabling System-on-a-Programmable-Chip (SOPC) integration. This places the EPF10K100EQC208-1N in the broader taxonomy of programmable logic -> FPGA -> SRAM-based FPGA -> embedded-block FPGA.
Key features of the EPF10K100EQC208-1N include 147 user I/O pins supporting multiple I/O standards, 49,152 bits of distributed SRAM organized into EABs, in-system programmability via SRAM configuration cells, and a 2.375V to 2.625V core supply (5V tolerant I/O with proper reference). The '-1N' speed grade denotes the faster commercial speed bin, while 'N' indicates a lead-free, RoHS-compliant package. The device is built on a 0.42 um CMOS SRAM process with a maximum internal propagation delay of approximately 0.6 ns.
The architecture combines a symmetrical array of logic elements (LEs) with rows of EABs spanning the full device width, providing high-density memory and arithmetic functions. Each LE contains a 4-input look-up table (LUT) and a programmable register. The continuous FastTrack Interconnect routes signals across rows and columns with predictable timing, making static timing analysis straightforward. Configuration bitstream is loaded from a serial or parallel PROM into SRAM cells at power-up; the design is volatile and must be reconfigured on each power cycle.
Typical applications include glue logic replacement, bus and protocol bridging (PCI, ISA, VME), custom DSP datapaths, telecommunications line-card controllers, industrial control and instrumentation front-ends, and legacy system refresh where original FLEX 10K designs must be replicated or migrated. Designers also use the EABs to implement ROM, dual-port RAM, FIFO, and arithmetic functions such as multipliers. The PQFP-208 package supports hand-soldering and socketed prototyping, which is convenient for industrial and laboratory use.
When designing with the EPF10K100EQC208-1N, ensure a stable 2.5V core supply and configure all VCCINT and VCCIO pins per the Altera datasheet; missing power pins will cause unpredictable behavior. A configuration PROM (such as the EPC2 or EPC8 in the same family) is required to load the bitstream at power-up. JTAG boundary-scan and programming are supported, enabling in-system updates. Designers should also note that the FLEX 10K family is a mature legacy product line - verify long-term availability with distributors before committing to new designs, and consider a Cyclone or Cyclone II migration path when starting new projects.
This page synthesizes distributor pricing, drop-in alternatives from the same FLEX 10K family and from the Site MPN list, and practical design notes not found in the manufacturer datasheet alone.
Alternativas drop-in para EPF10K100EQC208-1N — 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 EPF10K100EQC208-1N (mesmo formato e footprint) — diferindo em RoHS Status, Operating Temperature, Process Technology, Family, Speed Grade.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
EPF10K100EQC208-1
✅ Drop-In✓ Em estoque
$220 / unidade
Ver ficha técnica →EPF10K100EQC208-2
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$155.85 / unidade
Ver ficha técnica →EPF10K100EQC208-3
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$19.8 / unidade
Ver ficha técnica →EPF10K100EQC208-1XN
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
EPF10K100EQC208-1N Classificações máximas e características elétricas
| Series | FLEX-10KE |
| Family | FLEX 10K (SRAM-based FPGA with EAB) |
| Typical Gates | 100,000 gates |
| Logic Elements | 4,992 |
| Total RAM Bits | 49,152 bits |
| Number of Logic Array Blocks (LABs) | 624 |
| User I/Os | 147 |
| Supply Voltage - Core (VCCINT) | 2.375 V to 2.625 V |
| Propagation Delay (max) | 0.6 ns |
| Speed Grade | -1 (faster bin) |
| Temperatura de operação | 0 C to +70 C (Commercial) |
| Encapsulamento / Caixa | 208-BFQFP / 208-PQFP |
| Supplier Device Package | 208-PQFP (28 x 28 mm) |
| Tipo de montagem | Surface Mount |
| Status RoHS | Compliant (lead-free, 'N' suffix) |
| Process Technology | 0.42 um CMOS SRAM |
| Configuration Method | SRAM, serial or parallel |
| JTAG Support | Yes (IEEE 1149.1 boundary-scan) |
Configuração de pinos do EPF10K100EQC208-1N
| 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 | I/O — User I/O pin (bank 1) |
| 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 | GND — Ground |
| 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 | I/O — User I/O pin (bank 1) |
| Pino 16 | VCCINT — Core supply voltage 2.5V |
| Pino 17 | I/O — User I/O pin (bank 2) |
| Pino 18 | I/O — User I/O pin (bank 2) |
| Pino 19 | I/O — User I/O pin (bank 2) |
| Pino 20 | I/O — User I/O pin (bank 2) |
| Pino 21 | I/O — User I/O pin (bank 2) |
| Pino 22 | I/O — User I/O pin (bank 2) |
| Pino 23 | I/O — User I/O pin (bank 2) |
| Pino 24 | I/O — User I/O pin (bank 2) |
| Pino 25 | I/O — User I/O pin (bank 2) |
| Pino 26 | I/O — User I/O pin (bank 2) |
| Pino 27 | GND — Ground |
| Pino 28 | I/O — User I/O pin (bank 2) |
| Pino 29 | I/O — User I/O pin (bank 2) |
| Pino 30 | I/O — User I/O pin (bank 2) |
| Pino 31 | I/O — User I/O pin (bank 2) |
| Pino 32 | I/O — User I/O pin (bank 2) |
| Pino 33 | I/O — User I/O pin (bank 2) |
| Pino 34 | I/O — User I/O pin (bank 2) |
| Pino 35 | I/O — User I/O pin (bank 2) |
| Pino 36 | I/O — User I/O pin (bank 2) |
| Pino 37 | I/O — User I/O pin (bank 2) |
| Pino 38 | I/O — User I/O pin (bank 2) |
| Pino 39 | VCCIO — I/O supply voltage (bank 2) |
| Pino 40 | I/O — User I/O pin (bank 3) |
| Pino 41 | I/O — User I/O pin (bank 3) |
| Pino 42 | I/O — User I/O pin (bank 3) |
| Pino 43 | I/O — User I/O pin (bank 3) |
| Pino 44 | I/O — User I/O pin (bank 3) |
| Pino 45 | I/O — User I/O pin (bank 3) |
| Pino 46 | I/O — User I/O pin (bank 3) |
| Pino 47 | I/O — User I/O pin (bank 3) |
| Pino 48 | I/O — User I/O pin (bank 3) |
| Pino 49 | I/O — User I/O pin (bank 3) |
| Pino 50 | I/O — User I/O pin (bank 3) |
| Pino 51 | GND — Ground |
| Pino 52 | I/O — User I/O pin (bank 3) |
| Pino 53 | I/O — User I/O pin (bank 3) |
| Pino 54 | I/O — User I/O pin (bank 3) |
| Pino 55 | I/O — User I/O pin (bank 3) |
| Pino 56 | I/O — User I/O pin (bank 3) |
| Pino 57 | I/O — User I/O pin (bank 3) |
| Pino 58 | I/O — User I/O pin (bank 3) |
| Pino 59 | I/O — User I/O pin (bank 4) |
| Pino 60 | I/O — User I/O pin (bank 4) |
| Pino 61 | I/O — User I/O pin (bank 4) |
| Pino 62 | I/O — User I/O pin (bank 4) |
| Pino 63 | VCCIO — I/O supply voltage (bank 4) |
| Pino 64 | I/O — User I/O pin (bank 4) |
| Pino 65 | I/O — User I/O pin (bank 4) |
| Pino 66 | I/O — User I/O pin (bank 4) |
| Pino 67 | I/O — User I/O pin (bank 4) |
| Pino 68 | I/O — User I/O pin (bank 4) |
| Pino 69 | I/O — User I/O pin (bank 4) |
| Pino 70 | I/O — User I/O pin (bank 4) |
| Pino 71 | I/O — User I/O pin (bank 4) |
| Pino 72 | I/O — User I/O pin (bank 4) |
| Pino 73 | I/O — User I/O pin (bank 4) |
| Pino 74 | I/O — User I/O pin (bank 4) |
| Pino 75 | GND — Ground |
| Pino 76 | I/O — User I/O pin (bank 4) |
| Pino 77 | I/O — User I/O pin (bank 4) |
| Pino 78 | I/O — User I/O pin (bank 4) |
| Pino 79 | I/O — User I/O pin (bank 4) |
| Pino 80 | I/O — User I/O pin (bank 5) |
| Pino 81 | I/O — User I/O pin (bank 5) |
| Pino 82 | I/O — User I/O pin (bank 5) |
| Pino 83 | I/O — User I/O pin (bank 5) |
| Pino 84 | I/O — User I/O pin (bank 5) |
| Pino 85 | VCCIO — I/O supply voltage (bank 5) |
| Pino 86 | I/O — User I/O pin (bank 5) |
| Pino 87 | I/O — User I/O pin (bank 5) |
| Pino 88 | I/O — User I/O pin (bank 5) |
| Pino 89 | I/O — User I/O pin (bank 5) |
| Pino 90 | I/O — User I/O pin (bank 5) |
| Pino 91 | I/O — User I/O pin (bank 5) |
| Pino 92 | I/O — User I/O pin (bank 5) |
| Pino 93 | I/O — User I/O pin (bank 5) |
| Pino 94 | I/O — User I/O pin (bank 5) |
| Pino 95 | I/O — User I/O pin (bank 5) |
| Pino 96 | I/O — User I/O pin (bank 5) |
| Pino 97 | I/O — User I/O pin (bank 5) |
| Pino 98 | I/O — User I/O pin (bank 5) |
| Pino 99 | GND — Ground |
| Pino 100 | I/O — User I/O pin (bank 6) |
| Pino 101 | I/O — User I/O pin (bank 6) |
| Pino 102 | I/O — User I/O pin (bank 6) |
| Pino 103 | I/O — User I/O pin (bank 6) |
| Pino 104 | I/O — User I/O pin (bank 6) |
| Pino 105 | I/O — User I/O pin (bank 6) |
| Pino 106 | I/O — User I/O pin (bank 6) |
| Pino 107 | I/O — User I/O pin (bank 6) |
| Pino 108 | I/O — User I/O pin (bank 6) |
| Pino 109 | I/O — User I/O pin (bank 6) |
| Pino 110 | I/O — User I/O pin (bank 6) |
| Pino 111 | VCCIO — I/O supply voltage (bank 6) |
| Pino 112 | I/O — User I/O pin (bank 6) |
| Pino 113 | I/O — User I/O pin (bank 6) |
| Pino 114 | I/O — User I/O pin (bank 6) |
| Pino 115 | I/O — User I/O pin (bank 6) |
| Pino 116 | I/O — User I/O pin (bank 6) |
| Pino 117 | I/O — User I/O pin (bank 6) |
| Pino 118 | I/O — User I/O pin (bank 6) |
| Pino 119 | I/O — User I/O pin (bank 7) |
| Pino 120 | I/O — User I/O pin (bank 7) |
| Pino 121 | I/O — User I/O pin (bank 7) |
| Pino 122 | I/O — User I/O pin (bank 7) |
| Pino 123 | GND — Ground |
| Pino 124 | I/O — User I/O pin (bank 7) |
| Pino 125 | I/O — User I/O pin (bank 7) |
| Pino 126 | I/O — User I/O pin (bank 7) |
| Pino 127 | I/O — User I/O pin (bank 7) |
| Pino 128 | I/O — User I/O pin (bank 7) |
| Pino 129 | I/O — User I/O pin (bank 7) |
| Pino 130 | I/O — User I/O pin (bank 7) |
| Pino 131 | I/O — User I/O pin (bank 7) |
| Pino 132 | I/O — User I/O pin (bank 7) |
| Pino 133 | I/O — User I/O pin (bank 7) |
| Pino 134 | I/O — User I/O pin (bank 7) |
| Pino 135 | VCCIO — I/O supply voltage (bank 7) |
| Pino 136 | I/O — User I/O pin (bank 7) |
| Pino 137 | I/O — User I/O pin (bank 7) |
| Pino 138 | I/O — User I/O pin (bank 8) |
| Pino 139 | I/O — User I/O pin (bank 8) |
| Pino 140 | I/O — User I/O pin (bank 8) |
| Pino 141 | I/O — User I/O pin (bank 8) |
| Pino 142 | I/O — User I/O pin (bank 8) |
| Pino 143 | I/O — User I/O pin (bank 8) |
| Pino 144 | I/O — User I/O pin (bank 8) |
| Pino 145 | I/O — User I/O pin (bank 8) |
| Pino 146 | I/O — User I/O pin (bank 8) |
| Pino 147 | GND — Ground |
| Pino 148 | I/O — User I/O pin (bank 8) |
| Pino 149 | I/O — User I/O pin (bank 8) |
| Pino 150 | I/O — User I/O pin (bank 8) |
| 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 | VCCINT — Core supply voltage 2.5V |
| Pino 160 | I/O — User I/O pin (bank 1) |
| Pino 161 | I/O — User I/O pin (bank 1) |
| Pino 162 | I/O — User I/O pin (bank 1) |
| 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 | GND — Ground |
| 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 | 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 | VCCIO — I/O supply voltage (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 | VCCINT — Core supply voltage 2.5V |
| Pino 197 | nCONFIG — Configuration control (active low) |
| Pino 198 | nSTATUS — Configuration status (active low) |
| Pino 199 | CONF_DONE — Configuration done indicator |
| Pino 200 | DCLK — Configuration clock |
| Pino 201 | DATA0 — Configuration data input |
| Pino 202 | MSEL0 — Configuration mode select |
| Pino 203 | MSEL1 — Configuration mode select |
| Pino 204 | TCK — JTAG test clock |
| Pino 205 | TMS — JTAG test mode select |
| Pino 206 | TDI — JTAG test data in |
| Pino 207 | TDO — JTAG test data out |
| Pino 208 | VCCINT — Core supply voltage 2.5V |
Aplicações típicas
EPF10K100EQC208-1N é adequado para 6 aplicaçãos: Legacy Telecom Line-Card Controller, Industrial Control and Instrumentation Front-End, PCI/ISA/VME Bus Bridge and Protocol Glue, DSP Datapath Custom Co-Processor, Aerospace and Avionics Legacy Sustaining, Automotive Diagnostic and Test Equipment.
Legacy Telecom Line-Card Controller
The EPF10K100EQC208-1N fits telecom line-card applications because its 4,992 logic elements and 49,152 bits of embedded SRAM provide enough density to implement framing, signaling, and protocol glue logic on a single device. The 147 user I/Os on the 208-PQFP are sufficient to bridge parallel bus interfaces (H.110, H-MVIP), serial TDM streams, and front-panel LED drivers. The FLEX 10KE architecture's EABs can implement dual-port RAM and FIFOs for inter-block buffering without external memory. Designers should note that for new line-card designs, the Cyclone II family is the recommended modern migration path; this part is appropriate for sustaining and replicating legacy FLEX 10K line-card designs in service.
Recomendado
Industrial Control and Instrumentation Front-End
The EPF10K100EQC208-1N is well-suited to industrial instrumentation front-ends because its 100,000-gate density and 0.6 ns propagation delay enable high-speed ADC/DAC interface glue logic, encoder/decoder state machines, and custom DSP datapaths. The 208-PQFP package supports hand-soldering for prototype builds, socketed testing, and field-replaceable modules, which is valuable for industrial maintenance workflows. The commercial 0 to 70 C operating range covers most factory-floor environments when mounted in a temperature-controlled enclosure. Pair with a MAX+PLUS II-generated bitstream and the EPC2LC20N configuration PROM for non-volatile storage; add JTAG-based in-system updates for firmware maintenance cycles.
Recomendado
PCI/ISA/VME Bus Bridge and Protocol Glue
The EPF10K100EQC208-1N excels at bus-bridging and protocol-glue applications because its 4,992 logic elements and 147 user I/Os provide ample resources for implementing PCI target interfaces, ISA decoder logic, VME bus masters, and custom peripheral bridges in a single device. The EABs efficiently implement FIFO buffers and address-mapping tables that bus protocols require. The 3.3 V LVTTL I/O bank with 5 V-tolerant inputs is compatible with PCI signaling levels. Designers targeting legacy industrial PCI systems should pay attention to VCCIO banking and use the -1 speed grade to meet the 33 MHz PCI timing budget with comfortable margin.
Recomendado
DSP Datapath Custom Co-Processor
The EPF10K100EQC208-1N supports custom DSP co-processor designs because its 49,152 bits of embedded RAM can hold coefficients and intermediate state for FIR filters, FFT butterflies, and adaptive equalizers. The EABs implement ROM lookup tables for log, exp, and trig functions used in DSP datapaths, while the logic elements implement adders, multipliers (built from shift-and-add trees), and control state machines. The 0.6 ns propagation delay at the -1 speed grade enables approximately 166 MHz single-cycle operation, sufficient for many mid-rate DSP tasks. For modern DSP-intensive designs, a Cyclone II or Cyclone III device with hardware multipliers is the recommended path.
Recomendado
Aerospace and Avionics Legacy Sustaining
The EPF10K100EQC208-1N is appropriate for aerospace sustaining engineering because avionics systems designed in the late 1990s and early 2000s often used FLEX 10KE FPGAs and require ongoing support, repair, and exact-form-fit reproduction. The 208-PQFP package is suitable for through-hole retrofit boards and conformal-coated assemblies common in avionics. Note that the standard 'N' suffix device is commercial temperature grade (0 to 70 C); avionics applications typically require the industrial (-40 to 85 C) variant. For new DO-254 certified designs, consult the latest certifiable FPGA offerings from Microchip (formerly Microsemi) rather than reusing legacy FLEX 10K parts.
Recomendado
Automotive Diagnostic and Test Equipment
The EPF10K100EQC208-1N fits automotive diagnostic equipment because its logic density and I/O count are well matched to OBD-II, CAN, and proprietary vehicle bus protocol analyzers, in-circuit testers, and engine-control simulation rigs. The EABs store lookup tables for fault-code interpretation and protocol decoding, while the logic elements implement timing-critical signal generation and capture logic. The 208-PQFP package is well-suited to through-hole assembly on test fixture PCBs used by service shops. For new automotive designs targeting production, migrate to AEC-Q100 qualified Cyclone III or Cyclone IV devices; this part is for legacy test equipment sustaining only.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para EPF10K100EQC208-1N — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | EPF10K100EQC208-1 | EPF10K100EQC208-2 | EPF10K100EQC208-3 | EPF10K100EQC208-1XN |
|---|---|---|---|---|---|
| Package | 208-PQFP (28x28 mm) | 208-PQFP (28x28 mm) - same | 208-PQFP (28x28 mm) - same | 208-PQFP (28x28 mm) - same | 208-PQFP (28x28 mm) - same |
| Brand | Intel (Altera) | Intel (Altera) | Intel (Altera) | Intel (Altera) | Intel (Altera) |
| Family | FLEX-10KE | FLEX-10KE | FLEX-10KE | FLEX-10KE | FLEX-10KE |
| Speed Grade | -1 (fastest) | -1 | -2 (slower) | -3 (slowest) | -1 (extended temp) |
| Logic Elements | 4,992 | 4,992 | 4,992 | 4,992 | 4,992 |
| User I/Os | 147 | 147 | 147 | 147 | 147 |
| Embedded RAM Bits | 49,152 bits | 49,152 bits | 49,152 bits | 49,152 bits | 49,152 bits |
| Core Voltage | 2.375 V to 2.625 V | 2.375 V to 2.625 V | 2.375 V to 2.625 V | 2.375 V to 2.625 V | 2.375 V to 2.625 V |
| Lead-Free (RoHS) | Yes (N suffix) | No (SnPb) | Yes (N suffix on -2N variant) | Yes (N suffix on -3N variant) | Yes (N suffix) |
| Operating Temperature | 0 C to +70 C (Commercial) | 0 C to +70 C | 0 C to +70 C | 0 C to +70 C | -40 C to +85 C (Extended) |
Principais diferenciais
- RoHS lead-free finish on production package (vs EPF10K100EQC208-1)
- Fastest FLEX 10KE speed grade available in PQFP-208 (vs EPF10K100EQC208-2)
- Industrial/extended temperature variant option (vs EPF10K100EQC208-1XN)
Notas de projeto
Provide a clean 2.5V core supply to VCCINT (all VCCINT pins must be connected per the FLEX 10KE datasheet) and properly decouple with 0.1 uF and 10 uF capacitors placed close to each VCCINT/GND pair. VCCIO pins must be supplied at the I/O signaling voltage (typically 3.3V for LVTTL) and must also be fully populated; floating VCCIO pins cause configuration failure. Sequence VCCINT and VCCIO together or VCCINT first; do not apply VCCIO before VCCINT. Use a low-impedance ground plane and route all four GND pins (11, 27, 51, 75, 99, 123, 147, 171) directly to the ground plane with minimum trace inductance.
The EPF10K100EQC208-1N requires an external configuration PROM (EPC2LC20N, EPC2TC32N, or EPC8QC100N) to load the bitstream at power-up because SRAM configuration is volatile. Forgetting the configuration PROM is the most common board-bring-up failure. Use MSEL0/MSEL1 pins to select the configuration mode (serial vs parallel) - incorrect MSEL settings cause CONF_DONE to never assert. Add a pull-up on nCONFIG and monitor nSTATUS during POR; a stuck-low nSTATUS after power-up indicates configuration failure and the bitstream will not load.
The 208-PQFP package has 0.5 mm lead pitch and requires careful PCB layout - use fine-pitch surface-mount pads with proper solder mask defined (SMD) land patterns, and follow IPC-7351 guidelines for PQFP-208. Use a 4-layer or 6-layer stackup with dedicated ground and power planes to manage signal integrity for the 147 user I/Os. Route high-speed signals (clocks, global buffers) first with controlled impedance; keep clock traces short and surrounded by ground. Decoupling capacitors (0.1 uF ceramic) should be placed within 5 mm of every VCCINT and VCCIO pin.
For clock-distribution designs, use the dedicated clock input pins (CLK0, CLK1, CLK2, CLK3) and the global low-skew clock network rather than routing clocks on general-purpose I/Os. The FLEX 10KE has 4 dedicated clock inputs and 4 dedicated clock enable inputs; misuse of these resources for non-clock signals reduces available global routing. For high-fanout nets, use the dedicated FastRow interconnect, which provides low-skew distribution across the device. When migrating an existing FLEX 10K (non-E) design, re-validate timing because the -1, -2, -3 speed grade relationships differ between the original FLEX 10K and FLEX 10KE families.
Informações de conformidade
Lead-free RoHS compliance indicated by 'N' suffix per Altera/Intel legacy packaging convention. Not AEC-Q100 qualified; commercial temperature grade only. Reach and conflict-minerals compliance inferred from standard Altera/Intel corporate compliance posture for legacy FPGAs - exact certificates available from Rochester Electronics on request.