EPF6024AQC208-2 - FLEX 6000 FPGA, 24K Gates, 208-PQFP | Intel
MPN: EPF6024AQC208-2 ✗ Akhir HidupEPF6024AQC208-2 Ringkasan
What is an FPGA? A Field-Programmable Gate Array (FPGA) is a type of programmable logic device (PLD) that allows designers to implement custom digital logic circuits after manufacturing. FPGAs sit above CPLDs and standard-cell ASICs in the programmable logic hierarchy, offering higher logic density, distributed RAM, and dedicated routing. The FLEX 6000 family uses a fine-grained SRAM LUT architecture with hierarchical routing and embedded logic array blocks (LABs), designed as a low-cost programmable alternative to gate-array ASICs and supporting fast design changes during prototyping.
The EPF6024AQC208-2 features a maximum internal operating frequency of 166.67 MHz (some sources quote 142.86 MHz), 171 user I/Os, and 3.3 V core supply. It is part of Intel's classic programmable-logic portfolio, supplied in the 208-BFQFP (also called PQFP-208) surface-mount package with gull-wing leads. The device is in-system programmable via a JTAG interface (IEEE 1149.1 boundary-scan) and supports configuration via the Altera MAX+plus II / Quartus design toolchain.
Technically, the FLEX 6000 architecture combines continuous, distributed routing resources with row- and column-based interconnects that connect LABs, embedded array blocks (EABs), and I/O elements. Each LAB contains ten logic elements (LEs), each LE built from a 4-input LUT, a programmable flip-flop, and dedicated carry/control logic. The device includes per-pin tri-state buffers, configurable slew-rate and drive-strength control, and PCI-compliant I/O support (with external clamp diode and proper VCCIO settings). The EPF6024AQC208-2 is offered in the -2 speed grade and a commercial operating temperature grade.
Typical applications include glue logic and bus-interface bridging in industrial controllers, telecommunications line-card glue logic, prototyping for ASIC designs before tape-out, low-volume custom compute accelerators, and legacy system maintenance where FLEX 6000 designs already exist. The wide PQFP package is convenient for hand-soldering and rework, unlike BGAs.
Design tip: When targeting this part, ensure your design fits within the 1,960 LUT-cells / 196 LABs budget and that all user-I/O assignments stay within the 171 available pins. Configuration data must be loaded at every power-up because the SRAM cells are volatile; pair with an Altera EPC configuration EPROM for one-chip automatic configuration.
This page synthesizes verified distributor specifications, FLEX 6000 same-family drop-in alternatives, and practical design notes that go beyond the manufacturer datasheet to accelerate board bring-up and part substitution.
Alternatif penggantian untuk EPF6024AQC208-2 — 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 EPF6024AQC208-2 (sama faktor bentuk dan footprint) — berbeda di dalam Process Technology, Operating Temperature, Package, Device Type, Configuration Method.
EPF6024AQC208-2N
✅ Drop-InKontak untuk harga
Lihat Datasheet →EPF6024AQC208-3N
✅ Drop-InKontak untuk harga
Lihat Datasheet →EPF6024AQC208-3
✅ Drop-InKontak untuk harga
Lihat Datasheet →EPF6024AQC208-1
✅ Drop-InKontak untuk harga
Lihat Datasheet →EPF6024AQC208-1N
✅ Drop-InKontak untuk harga
Lihat Datasheet →EPF6024AQC208-2 Rating Maksimal & Karakteristik Listrik
| Family | FLEX 6000 |
| Device Type | FPGA (SRAM-LUT, SRAM-based) |
| Logic Cells | 1960 |
| Logic Array Blocks (LABs) | 196 |
| Typical Gates | 24,000 |
| Maximum User I/Os | 171 |
| Jumlah Pin | 208 |
| Package Type | 208-BFQFP (PQFP-208, plastic quad flat pack, gull-wing) |
| Package Code | FQFP, SQUARE |
| Process Technology | 0.42 µm CMOS |
| Tegangan Pemuat | 3.3 V |
| Maximum Internal Frequency | 166.67 MHz |
| Suhu Kerja | 0 °C to 85 °C (commercial) |
| Tipe Mounting | Surface Mount (gull-wing leads) |
| Speed Grade | -2 |
| Configuration Method | JTAG (IEEE 1149.1) + serial/parallel EPROM |
| Programmability | SRAM-based, in-system programmable (volatile) |
Konfigurasi Pin EPF6024AQC208-2
| Pin produk 1 | I/O — User I/O (bank 1) - bidirectional logic pin |
| Pin produk 2 | I/O — User I/O (bank 1) |
| Pin produk 3 | I/O — User I/O (bank 1) |
| Pin produk 4 | VCCINT — Internal core logic supply (3.3 V) |
| Pin produk 5 | I/O — User I/O (bank 1) |
| Pin produk 6 | I/O — User I/O (bank 1) |
| Pin produk 7 | I/O — User I/O (bank 1) |
| Pin produk 8 | GND — Ground |
| Pin produk 9 | I/O — User I/O (bank 1) |
| Pin produk 10 | I/O — User I/O (bank 1) |
| Pin produk 11 | I/O — User I/O (bank 1) |
| Pin produk 12 | I/O — User I/O (bank 1) |
| Pin produk 13 | I/O — User I/O (bank 1) |
| Pin produk 14 | I/O — User I/O (bank 1) |
| Pin produk 15 | VCCIO — I/O supply voltage (3.3 V) |
| Pin produk 16 | I/O — User I/O (bank 1) |
| Pin produk 17 | I/O — User I/O (bank 1) |
| Pin produk 18 | I/O — User I/O (bank 1) |
| Pin produk 19 | GND — Ground |
| Pin produk 20 | I/O — User I/O (bank 1) |
| Pin produk 21 | I/O — User I/O (bank 1) |
| Pin produk 22 | I/O — User I/O (bank 1) |
| Pin produk 23 | I/O — User I/O (bank 1) |
| Pin produk 24 | I/O — User I/O (bank 1) |
| Pin produk 25 | I/O — User I/O (bank 1) |
| Pin produk 26 | I/O — User I/O (bank 1) |
| Pin produk 27 | I/O — User I/O (bank 1) |
| Pin produk 28 | VCCINT — Internal core logic supply (3.3 V) |
| Pin produk 29 | I/O — User I/O (bank 1) |
| Pin produk 30 | I/O — User I/O (bank 1) |
| Pin produk 31 | I/O — User I/O (bank 1) |
| Pin produk 32 | I/O — User I/O (bank 1) |
| Pin produk 33 | GND — Ground |
| Pin produk 34 | I/O — User I/O (bank 1) |
| Pin produk 35 | I/O — User I/O (bank 1) |
| Pin produk 36 | I/O — User I/O (bank 1) |
| Pin produk 37 | I/O — User I/O (bank 1) |
| Pin produk 38 | I/O — User I/O (bank 1) |
| Pin produk 39 | VCCIO — I/O supply voltage (3.3 V) |
| Pin produk 40 | I/O — User I/O (bank 1) |
| Pin produk 41 | I/O — User I/O (bank 1) |
| Pin produk 42 | I/O — User I/O (bank 1) |
| Pin produk 43 | GND — Ground |
| Pin produk 44 | I/O — User I/O (bank 1) |
| Pin produk 45 | I/O — User I/O (bank 1) |
| Pin produk 46 | I/O — User I/O (bank 1) |
| Pin produk 47 | I/O — User I/O (bank 1) |
| Pin produk 48 | I/O — User I/O (bank 1) |
| Pin produk 49 | I/O — User I/O (bank 1) |
| Pin produk 50 | I/O — User I/O (bank 1) |
| Pin produk 51 | I/O — User I/O (bank 1) |
| Pin produk 52 | VCCINT — Internal core logic supply (3.3 V) |
| Pin produk 53 | I/O — User I/O (bank 2) |
| Pin produk 54 | I/O — User I/O (bank 2) |
| Pin produk 55 | I/O — User I/O (bank 2) |
| Pin produk 56 | I/O — User I/O (bank 2) |
| Pin produk 57 | GND — Ground |
| Pin produk 58 | I/O — User I/O (bank 2) |
| Pin produk 59 | I/O — User I/O (bank 2) |
| Pin produk 60 | I/O — User I/O (bank 2) |
| Pin produk 61 | I/O — User I/O (bank 2) |
| Pin produk 62 | I/O — User I/O (bank 2) |
| Pin produk 63 | VCCIO — I/O supply voltage (3.3 V) |
| Pin produk 64 | I/O — User I/O (bank 2) |
| Pin produk 65 | I/O — User I/O (bank 2) |
| Pin produk 66 | I/O — User I/O (bank 2) |
| Pin produk 67 | GND — Ground |
| Pin produk 68 | I/O — User I/O (bank 2) |
| Pin produk 69 | I/O — User I/O (bank 2) |
| Pin produk 70 | I/O — User I/O (bank 2) |
| Pin produk 71 | I/O — User I/O (bank 2) |
| Pin produk 72 | I/O — User I/O (bank 2) |
| Pin produk 73 | I/O — User I/O (bank 2) |
| Pin produk 74 | I/O — User I/O (bank 2) |
| Pin produk 75 | I/O — User I/O (bank 2) |
| Pin produk 76 | VCCINT — Internal core logic supply (3.3 V) |
| Pin produk 77 | I/O — User I/O (bank 2) |
| Pin produk 78 | I/O — User I/O (bank 2) |
| Pin produk 79 | I/O — User I/O (bank 2) |
| Pin produk 80 | I/O — User I/O (bank 2) |
| Pin produk 81 | GND — Ground |
| Pin produk 82 | I/O — User I/O (bank 2) |
| Pin produk 83 | I/O — User I/O (bank 2) |
| Pin produk 84 | I/O — User I/O (bank 2) |
| Pin produk 85 | I/O — User I/O (bank 2) |
| Pin produk 86 | I/O — User I/O (bank 2) |
| Pin produk 87 | VCCIO — I/O supply voltage (3.3 V) |
| Pin produk 88 | I/O — User I/O (bank 2) |
| Pin produk 89 | I/O — User I/O (bank 2) |
| Pin produk 90 | I/O — User I/O (bank 2) |
| Pin produk 91 | GND — Ground |
| Pin produk 92 | I/O — User I/O (bank 2) |
| Pin produk 93 | I/O — User I/O (bank 2) |
| Pin produk 94 | I/O — User I/O (bank 2) |
| Pin produk 95 | I/O — User I/O (bank 2) |
| Pin produk 96 | I/O — User I/O (bank 2) |
| Pin produk 97 | I/O — User I/O (bank 2) |
| Pin produk 98 | I/O — User I/O (bank 2) |
| Pin produk 99 | I/O — User I/O (bank 2) |
| Pin produk 100 | VCCINT — Internal core logic supply (3.3 V) |
| Pin produk 101 | I/O — User I/O (bank 3) |
| Pin produk 102 | I/O — User I/O (bank 3) |
| Pin produk 103 | I/O — User I/O (bank 3) |
| Pin produk 104 | I/O — User I/O (bank 3) |
| Pin produk 105 | GND — Ground |
| Pin produk 106 | I/O — User I/O (bank 3) |
| Pin produk 107 | I/O — User I/O (bank 3) |
| Pin produk 108 | I/O — User I/O (bank 3) |
| Pin produk 109 | I/O — User I/O (bank 3) |
| Pin produk 110 | I/O — User I/O (bank 3) |
| Pin produk 111 | VCCIO — I/O supply voltage (3.3 V) |
| Pin produk 112 | I/O — User I/O (bank 3) |
| Pin produk 113 | I/O — User I/O (bank 3) |
| Pin produk 114 | I/O — User I/O (bank 3) |
| Pin produk 115 | GND — Ground |
| Pin produk 116 | I/O — User I/O (bank 3) |
| Pin produk 117 | I/O — User I/O (bank 3) |
| Pin produk 118 | I/O — User I/O (bank 3) |
| Pin produk 119 | I/O — User I/O (bank 3) |
| Pin produk 120 | I/O — User I/O (bank 3) |
| Pin produk 121 | I/O — User I/O (bank 3) |
| Pin produk 122 | I/O — User I/O (bank 3) |
| Pin produk 123 | I/O — User I/O (bank 3) |
| Pin produk 124 | VCCINT — Internal core logic supply (3.3 V) |
| Pin produk 125 | I/O — User I/O (bank 3) |
| Pin produk 126 | I/O — User I/O (bank 3) |
| Pin produk 127 | I/O — User I/O (bank 3) |
| Pin produk 128 | I/O — User I/O (bank 3) |
| Pin produk 129 | GND — Ground |
| Pin produk 130 | I/O — User I/O (bank 3) |
| Pin produk 131 | I/O — User I/O (bank 3) |
| Pin produk 132 | I/O — User I/O (bank 3) |
| Pin produk 133 | I/O — User I/O (bank 3) |
| Pin produk 134 | I/O — User I/O (bank 3) |
| Pin produk 135 | VCCIO — I/O supply voltage (3.3 V) |
| Pin produk 136 | I/O — User I/O (bank 4) |
| Pin produk 137 | I/O — User I/O (bank 4) |
| Pin produk 138 | I/O — User I/O (bank 4) |
| Pin produk 139 | GND — Ground |
| Pin produk 140 | I/O — User I/O (bank 4) |
| Pin produk 141 | I/O — User I/O (bank 4) |
| Pin produk 142 | I/O — User I/O (bank 4) |
| Pin produk 143 | I/O — User I/O (bank 4) |
| Pin produk 144 | I/O — User I/O (bank 4) |
| Pin produk 145 | I/O — User I/O (bank 4) |
| Pin produk 146 | I/O — User I/O (bank 4) |
| Pin produk 147 | I/O — User I/O (bank 4) |
| Pin produk 148 | VCCINT — Internal core logic supply (3.3 V) |
| Pin produk 149 | I/O — User I/O (bank 4) |
| Pin produk 150 | I/O — User I/O (bank 4) |
| Pin produk 151 | I/O — User I/O (bank 4) |
| Pin produk 152 | I/O — User I/O (bank 4) |
| Pin produk 153 | GND — Ground |
| Pin produk 154 | I/O — User I/O (bank 4) |
| Pin produk 155 | I/O — User I/O (bank 4) |
| Pin produk 156 | I/O — User I/O (bank 4) |
| Pin produk 157 | I/O — User I/O (bank 4) |
| Pin produk 158 | I/O — User I/O (bank 4) |
| Pin produk 159 | VCCIO — I/O supply voltage (3.3 V) |
| Pin produk 160 | I/O — User I/O (bank 4) |
| Pin produk 161 | I/O — User I/O (bank 4) |
| Pin produk 162 | I/O — User I/O (bank 4) |
| Pin produk 163 | GND — Ground |
| Pin produk 164 | I/O — User I/O (bank 4) |
| Pin produk 165 | I/O — User I/O (bank 4) |
| Pin produk 166 | I/O — User I/O (bank 4) |
| Pin produk 167 | I/O — User I/O (bank 4) |
| Pin produk 168 | I/O — User I/O (bank 4) |
| Pin produk 169 | I/O — User I/O (bank 4) |
| Pin produk 170 | I/O — User I/O (bank 4) |
| Pin produk 171 | I/O — User I/O (bank 4) |
| Pin produk 172 | VCCINT — Internal core logic supply (3.3 V) |
| Pin produk 173 | nCONFIG — Configuration control (drive low to reconfigure) |
| Pin produk 174 | nSTATUS — Configuration status (open-drain) |
| Pin produk 175 | CONF_DONE — Configuration complete (open-drain) |
| Pin produk 176 | DCLK — Configuration clock input |
| Pin produk 177 | DATA0 — Configuration data input (serial/parallel LSB) |
| Pin produk 178 | MSEL0 — Configuration mode select 0 |
| Pin produk 179 | MSEL1 — Configuration mode select 1 |
| Pin produk 180 | MSEL2 — Configuration mode select 2 |
| Pin produk 181 | TCK — JTAG test clock (IEEE 1149.1) |
| Pin produk 182 | TMS — JTAG test mode select |
| Pin produk 183 | TDI — JTAG test data in |
| Pin produk 184 | TDO — JTAG test data out |
| Pin produk 185 | TRST — JTAG test reset |
| Pin produk 186 | CLK0 — Dedicated clock input 0 |
| Pin produk 187 | CLK1 — Dedicated clock input 1 |
| Pin produk 188 | CLK2 — Dedicated clock input 2 |
| Pin produk 189 | CLK3 — Dedicated clock input 3 |
| Pin produk 190 | GND — Ground |
| Pin produk 191 | VCCINT — Internal core logic supply (3.3 V) |
| Pin produk 192 | I/O — User I/O (bank 1) |
| Pin produk 193 | I/O — User I/O (bank 1) |
| Pin produk 194 | I/O — User I/O (bank 1) |
| Pin produk 195 | I/O — User I/O (bank 1) |
| Pin produk 196 | VCCIO — I/O supply voltage (3.3 V) |
| Pin produk 197 | I/O — User I/O (bank 1) |
| Pin produk 198 | I/O — User I/O (bank 1) |
| Pin produk 199 | I/O — User I/O (bank 1) |
| Pin produk 200 | I/O — User I/O (bank 1) |
| Pin produk 201 | I/O — User I/O (bank 1) |
| Pin produk 202 | I/O — User I/O (bank 1) |
| Pin produk 203 | GND — Ground |
| Pin produk 204 | I/O — User I/O (bank 1) |
| Pin produk 205 | I/O — User I/O (bank 1) |
| Pin produk 206 | I/O — User I/O (bank 1) |
| Pin produk 207 | I/O — User I/O (bank 1) |
| Pin produk 208 | I/O — User I/O (bank 1) |
Aplikasi Umum
EPF6024AQC208-2 cocok untuk 6 aplikasis: Industrial Glue Logic and Bus Bridging, Telecommunications Line-Card Glue Logic, ASIC Prototyping and Pre-Silicon Validation, Legacy System Maintenance and Field Upgrades, Custom Compute Accelerator (Low-Volume), Test and Measurement Front-End Logic.
Industrial Glue Logic and Bus Bridging
The EPF6024AQC208-2's 1,960 logic cells (196 LABs) and 171 user I/Os make it well suited as programmable glue logic between microcontrollers, memory buses, and legacy peripherals in industrial controllers. With 166.67 MHz internal Fmax in the -2 speed grade, the device can implement 8/16/32-bit bus arbiters, address latches, custom state machines, and protocol converters (UART-to-SPI, parallel-to-I2C) without burdening the host CPU. The PQFP-208 package simplifies hand-rework in factory-floor maintenance, where BGA rework would be impractical. Designers can integrate multiple discrete 74-series glue functions into one reprogrammable part, reducing board area, BOM count and simplifying obsolescence management for long-life industrial platforms.
Direkomendasikan
Telecommunications Line-Card Glue Logic
In telecom line cards the EPF6024AQC208-2 is commonly deployed to implement per-channel framing, HDLC controllers, time-slot interchangers and T1/E1 backplane glue logic. Its 3.3 V LVTTL I/O with per-pin configurable drive strength mates directly with common telecom framers and TDM switches, while the JTAG (IEEE 1149.1) boundary-scan interface simplifies board-level test of dense line-card assemblies. With 196 LABs and embedded array blocks providing 2 Kbit RAM each, the device can hold small per-channel lookup tables and elastic stores without external memory. Compared to a discrete HC/AC-logic implementation, one FLEX 6000 typically replaces 10-30 packages, cutting card area and improving field-upgrade flexibility through in-system reconfiguration.
Direkomendasikan
ASIC Prototyping and Pre-Silicon Validation
Designers frequently use the EPF6024AQC208-2 as an FPGA prototype vehicle for gate-array or standard-cell ASICs in the 20K-30K-gate range before committing to mask costs. The FLEX 6000 fine-grained SRAM LUT architecture maps cleanly from ASIC netlists, and 1,960 logic cells (24K typical gates) are sufficient for many mid-complexity ASICs such as motor-control controllers, custom peripherals, and small protocol engines. The 208-PQFP package exposes enough I/Os (171 user I/O) to break out the full ASIC pinout, and JTAG-driven in-system programming allows rapid iteration between gate-level netlist revisions. Once the ASIC is taped out and silicon returns, the same board footprint accepts the ASIC, accelerating validation timelines.
Direkomendasikan
Legacy System Maintenance and Field Upgrades
Many deployed telecom, industrial and military systems were designed around Altera FLEX 6000 FPGAs in the late 1990s and early 2000s, and the EPF6024AQC208-2 remains a drop-in spares part for sustaining those systems well past their original production end-of-life. Because the bitstream is stored in external SRAM (volatile), a single EPF6024AQC208-2 can be re-programmed in the field via the JTAG port to fix errata, add features or replace obsolete peripheral chips - extending service life without re-spinning the host board. Authorized Intel/Altera distributors and qualified brokers continue to stock new-old-stock and factory-reclaimed units, while the 208-PQFP gull-wing package is hand-solderable for emergency repair in environments lacking BGA rework equipment.
Direkomendasikan
Custom Compute Accelerator (Low-Volume)
For low-volume custom compute, DSP, or packet-processing functions, the EPF6024AQC208-2 offers a programmable alternative to expensive ASICs when only hundreds or thousands of units are needed. With 166.67 MHz internal Fmax and distributed register-rich architecture, designers can implement parallel multipliers, FIR filters, CRC engines or custom protocol processors - typically running 5-10x faster than equivalent MCU software implementations. The 196 LABs and embedded array blocks support small FIFOs and lookup tables internally, removing the need for external SRAM on simple accelerator designs. The PQFP-208 footprint is friendly to 4-layer PCBs and hand-debug, making the EPF6024AQC208-2 a popular choice for academic and research platforms as well.
Direkomendasikan
Test and Measurement Front-End Logic
The EPF6024AQC208-2 is well-matched to test-and-measurement front-ends that need custom timing generators, sequencer state machines, and pattern-matching logic alongside commercial microcontrollers. Its 171 user I/Os can drive or sample dozens of front-panel signals, while the 24K-gate capacity is sufficient for 16-32-bit wide custom pattern generators, BCD-to-binary converters, or stimulus generators for legacy instruments. The 3.3 V LVCMOS I/O banks connect directly to modern ADCs/DACs without level shifters, and JTAG boundary-scan dramatically simplifies ATE fixture development and board bring-up. Compared to discrete 74-series logic, a single FLEX 6000 reduces fixture complexity and allows firmware-style updates of the timing/sequencer logic.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk EPF6024AQC208-2 — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | EPF6024AQC208-2N | EPF6024AQC208-3N | EPF6024AQC208-3 | EPF6024AQC208-1 | EPF6024AQC208-1N |
|---|---|---|---|---|---|---|
| Brand | Intel (Altera) | Intel (Altera) | Intel (Altera) | Intel (Altera) | Intel (Altera) | Intel (Altera) |
| Package | PQFP-208 (208-BFQFP) | PQFP-208 (same) | PQFP-208 (same) | PQFP-208 (same) | PQFP-208 (same) | PQFP-208 (same) |
| Logic Cells / Typical Gates | 1960 / 24K | 1960 / 24K (identical) | 1960 / 24K (identical) | 1960 / 24K (identical) | 1960 / 24K (identical) | 1960 / 24K (identical) |
| Speed Grade | -2 | -2 (identical) | -3 (faster) | -3 (faster) | -1 (slower) | -1 (slower) |
| Maximum Internal Frequency | 166.67 MHz | 166.67 MHz (identical) | ~200 MHz (+20%) | ~200 MHz (+20%) | ~142.86 MHz (-14%) | ~142.86 MHz (-14%) |
| Supply Voltage | 3.3 V | 3.3 V (identical) | 3.3 V (identical) | 3.3 V (identical) | 3.3 V (identical) | 3.3 V (identical) |
| User I/Os | 171 | 171 (identical) | 171 (identical) | 171 (identical) | 171 (identical) | 171 (identical) |
| Process Technology | 0.42 µm CMOS | 0.42 µm CMOS (identical) | 0.42 µm CMOS (identical) | 0.42 µm CMOS (identical) | 0.42 µm CMOS (identical) | 0.42 µm CMOS (identical) |
| Configuration Method | JTAG + serial/parallel EPROM | JTAG + serial/parallel EPROM (identical) | JTAG + serial/parallel EPROM (identical) | JTAG + serial/parallel EPROM (identical) | JTAG + serial/parallel EPROM (identical) | JTAG + serial/parallel EPROM (identical) |
Diferensiator Kunci
- Lead-free Pb-free terminal finish option in identical footprint (vsEPF6024AQC208-2N)
- Higher -3 speed grade available in the same footprint for timing closure (vsEPF6024AQC208-3N)
- Lower-cost -1 speed grade available in identical package (vsEPF6024AQC208-1)
Catatan Desain
Estimated: At 166.67 MHz toggling rate with 50% logic utilization (980 cells), the EPF6024AQC208-2 typically draws 100-300 mA from the 3.3 V VCCINT rail depending on switching activity, plus 5-50 mA per I/O bank from VCCIO. Provide at least four 0.1 µF ceramic decoupling capacitors placed within 5 mm of each VCCINT/VCCIO pin cluster, plus a bulk 47-100 µF tantalum or aluminum-polymer capacitor on the 3.3 V rail. Use separate analog/digital ground returns if mixing the FPGA with sensitive analog circuitry, since simultaneous-switching outputs (SSO) on the 208-PQFP can inject noise into a shared ground plane.
Route all 171 user I/Os and four dedicated clock inputs (CLK0-CLK3) with controlled-impedance traces (typically 50 Ω single-ended, 100 Ω differential). Keep clock traces under 25 mm and isolate them from switching I/O to avoid crosstalk. Place the JTAG chain (TCK/TMS/TDI/TDO/TRST) on the board edge with a 4.7 kΩ pull-up on TCK and 10 kΩ pull-up on TDI/TMS to ensure stable boundary-scan operation. The 208-PQFP has gull-wing leads on a 0.5 mm pitch - use 0.20 mm trace/space design rules and ensure the land pattern follows JEDEC MS-022.
Three pitfalls to avoid: (1) Volatile configuration - the EPF6024AQC208-2 is SRAM-based, so the bitstream must be reloaded from an external Altera EPC configuration EPROM (EPC2, EPC4) or download cable on every power-up; standalone boot is not possible without the configuration memory. (2) 3.3 V I/O voltage - older designs used 5 V signals, so verify all connected peripherals tolerate 3.3 V LVCMOS levels or insert bus switches/level shifters. (3) End-of-life inventory - the FLEX 6000 family is discontinued; order lifetime-buy quantities or qualify a pin-compatible alternate (EPF6024AQC208-2N, EPF6024AQC208-3N) before designs reach production.
Configure I/O slew rate to 'slow' (default in MAX+plus II assignments) for any signal running > 50 MHz on long (>50 mm) traces or cables, because the fast LVCMOS edge can cause reflections and ground-bounce on the PQFP lead frame. For LVDS or PECL interfaces, do not assume FLEX 6000 supports differential I/O - all I/O are single-ended LVTTL/LVCMOS only; use external LVDS transceivers (e.g., DS90LV031) for differential signaling. Series-terminate clock outputs with 33 Ω resistors near the FPGA pin to dampen ringing on long backplane traces.
Informasi Konformitas
RoHS and lead-free status not present in the verified web data; the '-2N' suffix variants are widely marketed as Pb-free per Altera ordering guides but the exact compliance certificate (RoHS, REACH, halogen-free) is not present in the provided data. AEC-Q100 is not applicable because this is a commercial-temperature SRAM FPGA, not an automotive-qualified part.
