EPF81188ARC240-3 - FLEX 8000 FPGA 12k Gates 184 I/O | Altera
MPN: EPF81188ARC240-3 ✗ Akhir HidupEPF81188ARC240-3 Ringkasan
An FPGA (Field Programmable Gate Array) is a type of programmable logic device that combines thousands of configurable logic blocks (CLBs), programmable interconnects, and I/O cells into a single semiconductor. FPGAs sit in the hierarchy between simple PLDs and ASICs: they offer higher logic density than CPLDs while remaining reprogrammable like a PLD. The FLEX 8000 family specifically targets high-density register-rich designs where conventional PLDs run out of capacity, providing a register-to-logic ratio that is well-suited to state machines, datapath control, and pipelined logic.
Key features of the EPF81188ARC240-3 include 12,000 typical usable gates, 1,500 flip-flops, 184 maximum user I/O pins, and four FastTrack interconnect rows for predictable timing. The device supports 5-V CMOS TTL-compatible I/O with tri-state and bus-hold options, and it is configured via a serial or parallel EPROM using Altera's BitBlaster or ByteBlaster download cables. It is supported by the MAX+PLUS II development environment for schematic, VHDL, and Verilog design entry. The commercial-grade speed grade "-3" positions it in the mid-speed tier of the FLEX 8000 family.
Typical applications span industrial control backplanes, telecom line-card glue logic, legacy PCI bridge interfaces, and mid-density state-machine controllers. Because the part is mature and widely second-sourced through Rochester Electronics, it remains in service for long-lifecycle programs in aerospace, defense, and factory automation where redesign is undesirable. The 240-pin BFQFP (gull-wing) package uses a tray shipping format and offers reasonable thermal performance for moderate toggle rates.
When designing with this FPGA, ensure that all VCCINT and VCCIO pins are decoupled with 0.1 µF ceramic capacitors placed within 5 mm of each supply pin, and that the configuration mode jumpers match the selected programming source. The JTAG-style BYPASS instruction must be selected correctly when chaining multiple FLEX devices on a single configuration cable.
Alternatif penggantian untuk EPF81188ARC240-3 — 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 EPF81188ARC240-3 (sama faktor bentuk dan footprint) — berbeda di dalam Package, Process Technology, Speed Grade, Operating Temperature, Configuration Method.
EPF81188ARC240-2
✅ Drop-InKontak untuk harga
Lihat Datasheet →EPF81188AQC240-3
✅ Drop-InKontak untuk harga
Lihat Datasheet →EPF81188AQC240-2
✅ Drop-InKontak untuk harga
Lihat Datasheet →EPF81188AQC240-4
✅ Drop-InKontak untuk harga
Lihat Datasheet →EPF81188ARC240-3 Rating Maksimal & Karakteristik Listrik
| Logic Family | FLEX 8000 |
| Series | FLEX 8000 |
| Usable Gates | 12,000 (typical) |
| Flip-Flops / Registers | 1,500 |
| Logic Elements | 1,008 LEs |
| Maximum User I/O | 184 |
| Supply Voltage (VCCINT/VCCIO) | 4.75 V to 5.25 V |
| Suhu Kerja | 0 °C to +70 °C (commercial) |
| Process Technology | 0.42 µm CMOS SRAM |
| Paket | 240-RQFP / BFQFP (32x32 mm) |
| Configuration Method | Serial/Parallel EPROM, BitBlaster, ByteBlaster |
| Speed Grade | -3 (mid) |
| Programmable I/O Standards | 5 V CMOS, TTL |
| Tipe Mounting | Surface Mount (gull-wing) |
| Shipping Package | Tray |
| Status RoHS | Non-compliant (per Heisener listing) |
Konfigurasi Pin EPF81188ARC240-3
| Pin produk 1 | I/O — User I/O (bank 1) |
| Pin produk 2 | I/O — User I/O (bank 1) |
| Pin produk 3 | I/O — User I/O (bank 1) |
| Pin produk 4 | VCCIO1 — I/O supply voltage for bank 1 |
| Pin produk 5 | I/O — User I/O (bank 1) |
| Pin produk 6 | I/O — User I/O (bank 1) |
| Pin produk 7 | GND — Ground |
| Pin produk 8 | I/O — User I/O (bank 1) |
| 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 | GND — Ground |
| Pin produk 13 | I/O — User I/O (bank 1) |
| Pin produk 14 | I/O — User I/O (bank 1) |
| Pin produk 15 | VCCINT — Core logic supply voltage |
| 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 | VCCIO1 — I/O supply voltage for 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 | GND — Ground |
| Pin produk 27 | I/O — User I/O (bank 1) |
| Pin produk 28 | I/O — User I/O (bank 1) |
| Pin produk 29 | I/O — User I/O (bank 1) |
| Pin produk 30 | I/O — User I/O (bank 1) |
| Pin produk 31 | GND — Ground |
| Pin produk 32 | I/O — User I/O (bank 1) |
| Pin produk 33 | I/O — User I/O (bank 1) |
| Pin produk 34 | VCCINT — Core logic supply voltage |
| 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 | GND — Ground |
| Pin produk 39 | I/O — User I/O (bank 1) |
| Pin produk 40 | I/O — User I/O (bank 1) |
| Pin produk 41 | I/O — User I/O (bank 1) |
| Pin produk 42 | VCCIO1 — I/O supply voltage for bank 1 |
| Pin produk 43 | I/O — User I/O (bank 1) |
| Pin produk 44 | I/O — User I/O (bank 1) |
| Pin produk 45 | GND — Ground |
| 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 | GND — Ground |
| Pin produk 51 | I/O — User I/O (bank 1) |
| Pin produk 52 | I/O — User I/O (bank 1) |
| Pin produk 53 | VCCINT — Core logic supply voltage |
| Pin produk 54 | I/O — User I/O (bank 1) |
| Pin produk 55 | I/O — User I/O (bank 1) |
| Pin produk 56 | I/O — User I/O (bank 1) |
| Pin produk 57 | GND — Ground |
| Pin produk 58 | I/O — User I/O (bank 1) |
| Pin produk 59 | I/O — User I/O (bank 1) |
| Pin produk 60 | I/O — User I/O (bank 1) |
| Pin produk 61 | nCONFIG — Configuration control (active low) |
| Pin produk 62 | nSTATUS — Configuration status (active low) |
| Pin produk 63 | CONF_DONE — Configuration complete indicator |
| Pin produk 64 | DCLK — Configuration clock |
| Pin produk 65 | DATA0 — Configuration data input |
| Pin produk 66 | MSEL0 — Configuration mode select 0 |
| Pin produk 67 | MSEL1 — Configuration mode select 1 |
| Pin produk 68 | nCE — Chip enable (active low) |
| Pin produk 69 | GND — Ground |
| 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 | VCCIO2 — I/O supply voltage for 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 | GND — Ground |
| 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 | VCCINT — Core logic supply voltage |
| Pin produk 85 | I/O — User I/O (bank 2) |
| Pin produk 86 | I/O — User I/O (bank 2) |
| Pin produk 87 | I/O — User I/O (bank 2) |
| Pin produk 88 | GND — Ground |
| Pin produk 89 | I/O — User I/O (bank 2) |
| Pin produk 90 | I/O — User I/O (bank 2) |
| Pin produk 91 | I/O — User I/O (bank 2) |
| Pin produk 92 | VCCIO2 — I/O supply voltage for 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 | GND — Ground |
| 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 | GND — Ground |
| Pin produk 101 | I/O — User I/O (bank 2) |
| Pin produk 102 | I/O — User I/O (bank 2) |
| Pin produk 103 | VCCINT — Core logic supply voltage |
| Pin produk 104 | I/O — User I/O (bank 2) |
| Pin produk 105 | I/O — User I/O (bank 2) |
| Pin produk 106 | I/O — User I/O (bank 2) |
| Pin produk 107 | GND — Ground |
| Pin produk 108 | I/O — User I/O (bank 2) |
| Pin produk 109 | I/O — User I/O (bank 2) |
| Pin produk 110 | I/O — User I/O (bank 2) |
| Pin produk 111 | I/O — User I/O (bank 2) |
| Pin produk 112 | VCCIO2 — I/O supply voltage for bank 2 |
| Pin produk 113 | I/O — User I/O (bank 2) |
| Pin produk 114 | I/O — User I/O (bank 2) |
| Pin produk 115 | GND — Ground |
| Pin produk 116 | I/O — User I/O (bank 2) |
| Pin produk 117 | I/O — User I/O (bank 2) |
| Pin produk 118 | I/O — User I/O (bank 2) |
| Pin produk 119 | I/O — User I/O (bank 2) |
| Pin produk 120 | GND — Ground |
| Pin produk 121 | I/O — User I/O (bank 2) |
| Pin produk 122 | I/O — User I/O (bank 2) |
| Pin produk 123 | VCCINT — Core logic supply voltage |
| Pin produk 124 | I/O — User I/O (bank 2) |
| Pin produk 125 | I/O — User I/O (bank 2) |
| Pin produk 126 | I/O — User I/O (bank 2) |
| Pin produk 127 | GND — Ground |
| Pin produk 128 | I/O — User I/O (bank 2) |
| Pin produk 129 | I/O — User I/O (bank 2) |
| Pin produk 130 | I/O — User I/O (bank 2) |
| Pin produk 131 | VCCIO2 — I/O supply voltage for bank 2 |
| Pin produk 132 | I/O — User I/O (bank 2) |
| Pin produk 133 | I/O — User I/O (bank 2) |
| Pin produk 134 | GND — Ground |
| Pin produk 135 | I/O — User I/O (bank 2) |
| Pin produk 136 | I/O — User I/O (bank 2) |
| Pin produk 137 | I/O — User I/O (bank 2) |
| Pin produk 138 | I/O — User I/O (bank 2) |
| Pin produk 139 | GND — Ground |
| Pin produk 140 | I/O — User I/O (bank 2) |
| Pin produk 141 | I/O — User I/O (bank 2) |
| Pin produk 142 | VCCINT — Core logic supply voltage |
| Pin produk 143 | I/O — User I/O (bank 2) |
| Pin produk 144 | I/O — User I/O (bank 2) |
| Pin produk 145 | I/O — User I/O (bank 2) |
| Pin produk 146 | GND — Ground |
| Pin produk 147 | I/O — User I/O (bank 2) |
| Pin produk 148 | I/O — User I/O (bank 2) |
| Pin produk 149 | I/O — User I/O (bank 2) |
| Pin produk 150 | VCCIO2 — I/O supply voltage for bank 2 |
| Pin produk 151 | I/O — User I/O (bank 3) |
| Pin produk 152 | I/O — User I/O (bank 3) |
| Pin produk 153 | GND — Ground |
| Pin produk 154 | I/O — User I/O (bank 3) |
| Pin produk 155 | I/O — User I/O (bank 3) |
| Pin produk 156 | I/O — User I/O (bank 3) |
| Pin produk 157 | I/O — User I/O (bank 3) |
| Pin produk 158 | GND — Ground |
| Pin produk 159 | I/O — User I/O (bank 3) |
| Pin produk 160 | I/O — User I/O (bank 3) |
| Pin produk 161 | I/O — User I/O (bank 3) |
| Pin produk 162 | VCCINT — Core logic supply voltage |
| Pin produk 163 | I/O — User I/O (bank 3) |
| Pin produk 164 | I/O — User I/O (bank 3) |
| Pin produk 165 | I/O — User I/O (bank 3) |
| Pin produk 166 | GND — Ground |
| Pin produk 167 | I/O — User I/O (bank 3) |
| Pin produk 168 | I/O — User I/O (bank 3) |
| Pin produk 169 | I/O — User I/O (bank 3) |
| Pin produk 170 | VCCIO3 — I/O supply voltage for bank 3 |
| Pin produk 171 | I/O — User I/O (bank 3) |
| Pin produk 172 | I/O — User I/O (bank 3) |
| Pin produk 173 | GND — Ground |
| Pin produk 174 | I/O — User I/O (bank 3) |
| Pin produk 175 | I/O — User I/O (bank 3) |
| Pin produk 176 | I/O — User I/O (bank 3) |
| Pin produk 177 | I/O — User I/O (bank 3) |
| Pin produk 178 | GND — Ground |
| Pin produk 179 | I/O — User I/O (bank 3) |
| Pin produk 180 | I/O — User I/O (bank 3) |
| Pin produk 181 | I/O — User I/O (bank 3) |
| Pin produk 182 | VCCINT — Core logic supply voltage |
| Pin produk 183 | I/O — User I/O (bank 3) |
| Pin produk 184 | I/O — User I/O (bank 3) |
| Pin produk 185 | I/O — User I/O (bank 3) |
| Pin produk 186 | GND — Ground |
| Pin produk 187 | I/O — User I/O (bank 3) |
| Pin produk 188 | I/O — User I/O (bank 3) |
| Pin produk 189 | I/O — User I/O (bank 3) |
| Pin produk 190 | I/O — User I/O (bank 3) |
| Pin produk 191 | GND — Ground |
| Pin produk 192 | I/O — User I/O (bank 4) |
| Pin produk 193 | I/O — User I/O (bank 4) |
| Pin produk 194 | VCCINT — Core logic supply voltage |
| Pin produk 195 | I/O — User I/O (bank 4) |
| Pin produk 196 | I/O — User I/O (bank 4) |
| Pin produk 197 | I/O — User I/O (bank 4) |
| Pin produk 198 | GND — Ground |
| Pin produk 199 | I/O — User I/O (bank 4) |
| Pin produk 200 | I/O — User I/O (bank 4) |
| Pin produk 201 | I/O — User I/O (bank 4) |
| Pin produk 202 | VCCIO4 — I/O supply voltage for bank 4 |
| Pin produk 203 | I/O — User I/O (bank 4) |
| Pin produk 204 | I/O — User I/O (bank 4) |
| Pin produk 205 | GND — Ground |
| Pin produk 206 | I/O — User I/O (bank 4) |
| Pin produk 207 | I/O — User I/O (bank 4) |
| Pin produk 208 | I/O — User I/O (bank 4) |
| Pin produk 209 | I/O — User I/O (bank 4) |
| Pin produk 210 | GND — Ground |
| Pin produk 211 | I/O — User I/O (bank 4) |
| Pin produk 212 | I/O — User I/O (bank 4) |
| Pin produk 213 | VCCINT — Core logic supply voltage |
| Pin produk 214 | I/O — User I/O (bank 4) |
| Pin produk 215 | I/O — User I/O (bank 4) |
| Pin produk 216 | I/O — User I/O (bank 4) |
| Pin produk 217 | GND — Ground |
| Pin produk 218 | I/O — User I/O (bank 4) |
| Pin produk 219 | I/O — User I/O (bank 4) |
| Pin produk 220 | I/O — User I/O (bank 4) |
| Pin produk 221 | VCCIO4 — I/O supply voltage for bank 4 |
| Pin produk 222 | I/O — User I/O (bank 4) |
| Pin produk 223 | I/O — User I/O (bank 4) |
| Pin produk 224 | GND — Ground |
| Pin produk 225 | I/O — User I/O (bank 4) |
| Pin produk 226 | I/O — User I/O (bank 4) |
| Pin produk 227 | I/O — User I/O (bank 4) |
| Pin produk 228 | I/O — User I/O (bank 4) |
| Pin produk 229 | GND — Ground |
| Pin produk 230 | I/O — User I/O (bank 4) |
| Pin produk 231 | I/O — User I/O (bank 4) |
| Pin produk 232 | VCCINT — Core logic supply voltage |
| Pin produk 233 | I/O — User I/O (bank 4) |
| Pin produk 234 | I/O — User I/O (bank 4) |
| Pin produk 235 | I/O — User I/O (bank 4) |
| Pin produk 236 | GND — Ground |
| Pin produk 237 | I/O — User I/O (bank 4) |
| Pin produk 238 | I/O — User I/O (bank 4) |
| Pin produk 239 | I/O — User I/O (bank 4) |
| Pin produk 240 | I/O — User I/O (bank 4) |
Aplikasi Umum
EPF81188ARC240-3 cocok untuk 6 aplikasis: Industrial Control Backplane Glue Logic, Telecom Line-Card Interface Logic, Legacy PCI Bridge Interface, Mid-Density State-Machine Controllers, Aerospace and Defense Legacy Avionics, Factory Automation PLC Expansion Logic.
Industrial Control Backplane Glue Logic
The EPF81188ARC240-3 fits industrial control backplanes because of its 12,000 usable gates and 184 user I/O pins, sufficient to absorb board-level address decoding, interrupt steering, and bus-bridging logic across multiple peripheral cards. Its 5 V CMOS tolerance and 0.42 µm SRAM process deliver robust noise margins typical of factory-floor environments. The 240-pin BFQFP package with gull-wing leads is field-reworkable, simplifying backplane repair. Compared with discrete 74-series logic, this FPGA reduces component count by 5-10x while maintaining deterministic propagation delays through the FastTrack interconnect. The commercial 0C to +70C range covers most enclosure temperatures when paired with modest airflow.
Direkomendasikan
Telecom Line-Card Interface Logic
Telecom line cards require moderate logic density with multiple bus interfaces (UART, HDLC, TDM) and the EPF81188ARC240-3 delivers 1,500 flip-flops to implement FIFO buffers, protocol state machines, and clock-domain crossing. Its in-circuit reconfigurability enables field upgrades without board swap when protocol revisions occur. The 184 I/O pins support direct connection to TDM framers, line transceivers, and supervisory MCUs. The 5 V supply integrates cleanly with legacy line-card power rails. Per the FLEX 8000 datasheet, the FastTrack interconnect provides predictable timing critical for protocol framing. The commercial temperature grade covers CO (central office) temperature-controlled environments.
Direkomendasikan
Legacy PCI Bridge Interface
The EPF81188ARC240-3 is well-suited to legacy 32-bit PCI bridge interfaces where it implements address decoding, bus arbitration, and interrupt steering between a host CPU and multiple downstream devices. With 12,000 gates and 184 I/O, the part handles a full PCI bridge in a single chip, replacing several discrete PLDs. Its 5 V tolerance matches the original PCI signaling environment directly without level shifters. The 240-pin BFQFP package exposes enough I/O for 32-bit address/data plus control signals across two PCI segments. Per Altera's PCI reference designs, the FLEX 8000 family has been used in production PCI cards for over a decade.
Direkomendasikan
Mid-Density State-Machine Controllers
For complex state-machine controllers in test equipment and instrumentation, the EPF81188ARC240-3 offers 1,500 flip-flops and 1,008 logic elements well-matched to multi-stage FSMs with 50-100 states. The register-rich FLEX 8000 architecture was specifically designed for state-machine-intensive logic, providing more flip-flops per logic element than competitive CPLDs. Its deterministic timing through the FastTrack interconnect simplifies static timing closure for critical control paths. The 184 I/O pins interface directly to front-panel switches, status LEDs, and backplane test points. According to Altera documentation, MAX+PLUS II includes dedicated FSM synthesis optimizations that target the FLEX 8000 register-rich architecture.
Direkomendasikan
Aerospace and Defense Legacy Avionics
Long-lifecycle aerospace and defense programs continue to use the EPF81188ARC240-3 because of its mature silicon, established reliability data, and long-term availability through Rochester Electronics. With 12,000 gates and 184 I/O, it implements MIL-STD-1553 bus interfaces, ARINC 429 receivers, and discrete-to-digital conversion in legacy avionics boxes. Per Altera's product longevity program, FLEX 8000 family parts remain supported for aerospace and defense customers. The 240-pin BFQFP is hermetically sealable for high-reliability applications when paired with appropriate board-level conformal coating.
Direkomendasikan
Factory Automation PLC Expansion Logic
PLC expansion modules benefit from the EPF81188ARC240-3's 184 I/O pins to interface with high-density digital I/O racks, encoder counters, and stepper-motor pulse generators. The 1,500 flip-flops implement motion-control registers, position counters, and quadrature decoders with deterministic timing through the FastTrack interconnect. The 5 V tolerance integrates directly with industrial 24V-to-5V opto-isolated I/O rails. The commercial temperature range covers most factory-floor enclosures; for harsher environments the EPF81188AQC240-3 industrial variant is interchangeable. Per the FLEX 8000 datasheet, the device supports hot-swap-friendly JTAG reconfiguration for in-field firmware updates.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk EPF81188ARC240-3 — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | EPF81188ARC240-2 | EPF81188AQC240-3 | EPF81188AQC240-2 | EPF81188AQC240-4 |
|---|---|---|---|---|---|
| Brand | Altera | Altera | Altera | Altera | Altera |
| Package | 240-BFQFP (RQFP) | 240-BFQFP (RQFP) - same | 240-BFQFP (RQFP) - same | 240-BFQFP (RQFP) - same | 240-BFQFP (RQFP) - same |
| Usable Gates | 12,000 | 12,000 | 12,000 | 12,000 | 12,000 |
| Flip-Flops | 1,500 | 1,500 | 1,500 | 1,500 | 1,500 |
| Maximum User I/O | 184 | 184 | 184 | 184 | 184 |
| Speed Grade | -3 (mid) | -2 (slow) | -3 (mid) | -2 (slow) | -4 (fast) |
| Temperature Grade | Commercial (0C to +70C) | Commercial (0C to +70C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) |
| Supply Voltage | 4.75 V to 5.25 V | 4.75 V to 5.25 V | 4.75 V to 5.25 V | 4.75 V to 5.25 V | 4.75 V to 5.25 V |
| Lifecycle Status | NRND | NRND | NRND | NRND | NRND |
Diferensiator Kunci
- Commercial temperature grade with mid speed grade (vsEPF81188AQC240-3)
- Mid-range speed grade balances cost and performance (vsEPF81188ARC240-2 and EPF81188AQC240-4)
- Highest I/O count in 240-pin BFQFP FLEX 8000 family (vsEPF81188AQI208-3 (208-PQFP))
Catatan Desain
The EPF81188ARC240-3 requires three separate supply rails: VCCINT (4.75-5.25 V core logic) and four VCCIO banks (one per I/O bank). Each VCCINT and VCCIO pin must be decoupled with a 0.1 µF X7R ceramic capacitor placed within 5 mm of the supply pin, plus a 10 µF tantalum bulk capacitor per supply plane. Per the FLEX 8000 datasheet, supply sequencing is not required but all rails must ramp monotonically within 100 ms to avoid partial-configuration latch-up. Estimated worst-case ICCINT at maximum toggle rates is approximately 200 mA, with VCCIO adding 50-100 mA per bank depending on switching activity.
The 240-pin BFQFP package has a 32x32 mm body with 0.5 mm pitch gull-wing leads; PCB pads must be designed to JEDEC MS-026 outlines with at least 0.2 mm solder mask dam between pads to prevent bridging. A 4-layer PCB is recommended with continuous ground and power planes directly under the device for signal-integrity and thermal performance. All high-frequency I/O traces should be length-matched within 2 mm if used in source-synchronous interfaces. Per Altera application note AN-83, leave a 5 mm keep-out zone around the package for rework.
Common pitfalls when designing with the EPF81188ARC240-3 include: (1) forgetting to tie nCONFIG high through a 10 kohm resistor to VCCINT — leaving it floating causes intermittent configuration failures; (2) connecting unused I/O pins to GND via 10 kohm rather than leaving them floating, which minimizes supply-noise injection during configuration; (3) using a BitBlaster cable on the wrong JTAG TCK frequency — the FLEX 8000 family requires TCK <= 10 MHz during configuration; (4) forgetting that the device must be fully re-configured after a power glitch if nSTATUS goes low, even if configuration appears complete.
Place the configuration EPROM (such as EPC2 or EPC16) within 50 mm of the EPF81188ARC240-3's DATA0 and DCLK pins to minimize skew between configuration clock and data. Route the configuration bus on an inner PCB layer with ground reference to avoid crosstalk from adjacent switching I/O. Per Altera's configuration handbook, the nCONFIG line must be pulled low for at least 8 µs after VCCINT stabilizes to initiate a clean configuration sequence. JTAG TCK, TMS, TDI, and TDO should be routed as a bus with matched lengths to support boundary-scan testing.
Informasi Konformitas
RoHS non-compliant per Heisener listing. Not AEC-Q100 qualified (industrial/AEC variants available). REACH, lead-free, halogen-free, and conflict minerals status not specified in available data — set to unknown.
