EPF8282ATI100-4N - FLEX 8000 FPGA, 208 LE, 100-Pin TQFP | Intel / Altera
MPN: EPF8282ATI100-4N ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $27.43 | $27.43 |
| 10 | $24.5 | $245.00 |
| 100 | $21.2 | $2,120.00 |
| 500 | $18.4 | $9,200.00 |
| 1,000 | $15.85 | $15,850.00 |
Drop-in alternatives for EPF8282ATI100-4N — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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View Datasheet →EPF8282ATI100-4N Maximum Ratings & Electrical Characteristics
| Family | FLEX 8000 |
| Logic Elements (LEs) | 208 |
| Flip-Flops | 282 |
| Maximum User I/O Pins | 78 |
| Supply Voltage (VCCINT) | 5 V |
| Operating Temperature Grade | Industrial (-40°C to +85°C) |
| Speed Grade | -4 (slowest) |
| Process Technology | 0.42 µm CMOS, SRAM-based |
| Package | 100-pin TQFP (S-PQFP-G100), 14 x 14 x 1.4 mm |
| Mounting Type | Surface Mount |
| Configuration Memory | SRAM (volatile, external EPROM/EEPROM load) |
| Boundary Scan | JTAG (IEEE 1149.1) |
| RoHS Status | Compliant |
| MSL Level | 3 (168 hours) |
| Device Series | EPF8282A |
EPF8282ATI100-4N Pin Configuration
| Pin 1 | I/O — User I/O pin (bank-dependent) |
| Pin 2 | I/O — User I/O pin |
| Pin 3 | I/O — User I/O pin |
| Pin 4 | I/O — User I/O pin |
| Pin 5 | VCCINT — Core supply voltage 5V |
| Pin 6 | I/O — User I/O pin |
| Pin 7 | I/O — User I/O pin |
| Pin 8 | I/O — User I/O pin |
| Pin 9 | GND — Ground |
| Pin 10 | I/O — User I/O pin |
| Pin 11 | I/O — User I/O pin |
| Pin 12 | I/O — User I/O pin |
| Pin 13 | I/O — User I/O pin |
| Pin 14 | I/O — User I/O pin |
| Pin 15 | VCCIO — I/O supply voltage 5V |
| Pin 16 | I/O — User I/O pin |
| Pin 17 | I/O — User I/O pin |
| Pin 18 | I/O — User I/O pin |
| Pin 19 | I/O — User I/O pin |
| Pin 20 | GND — Ground |
| Pin 21 | I/O — User I/O pin |
| Pin 22 | I/O — User I/O pin |
| Pin 23 | I/O — User I/O pin |
| Pin 24 | I/O — User I/O pin |
| Pin 25 | I/O — User I/O pin |
| Pin 26 | I/O — User I/O pin |
| Pin 27 | I/O — User I/O pin |
| Pin 28 | GND — Ground |
| Pin 29 | I/O — User I/O pin |
| Pin 30 | I/O — User I/O pin |
| Pin 31 | I/O — User I/O pin |
| Pin 32 | I/O — User I/O pin |
| Pin 33 | VCCINT — Core supply voltage 5V |
| Pin 34 | I/O — User I/O pin |
| Pin 35 | I/O — User I/O pin |
| Pin 36 | I/O — User I/O pin |
| Pin 37 | I/O — User I/O pin |
| Pin 38 | I/O — User I/O pin |
| Pin 39 | GND — Ground |
| Pin 40 | I/O — User I/O pin |
| Pin 41 | I/O — User I/O pin |
| Pin 42 | I/O — User I/O pin |
| Pin 43 | I/O — User I/O pin |
| Pin 44 | I/O — User I/O pin |
| Pin 45 | VCCIO — I/O supply voltage 5V |
| Pin 46 | I/O — User I/O pin |
| Pin 47 | I/O — User I/O pin |
| Pin 48 | I/O — User I/O pin |
| Pin 49 | I/O — User I/O pin |
| Pin 50 | GND — Ground |
| Pin 51 | I/O — User I/O pin |
| Pin 52 | I/O — User I/O pin |
| Pin 53 | I/O — User I/O pin |
| Pin 54 | I/O — User I/O pin |
| Pin 55 | I/O — User I/O pin |
| Pin 56 | I/O — User I/O pin |
| Pin 57 | I/O — User I/O pin |
| Pin 58 | GND — Ground |
| Pin 59 | I/O — User I/O pin |
| Pin 60 | I/O — User I/O pin |
| Pin 61 | I/O — User I/O pin |
| Pin 62 | I/O — User I/O pin |
| Pin 63 | VCCINT — Core supply voltage 5V |
| Pin 64 | nCONFIG — Configuration control (active-low) |
| Pin 65 | nSTATUS — Configuration status (active-low) |
| Pin 66 | CONF_DONE — Configuration done indicator |
| Pin 67 | DEV_CLRn — Device clear (active-low) |
| Pin 68 | DEV_OE — Device output enable |
| Pin 69 | MSEL1 — Configuration mode select 1 |
| Pin 70 | MSEL0 — Configuration mode select 0 |
| Pin 71 | I/O — User I/O pin |
| Pin 72 | I/O — User I/O pin |
| Pin 73 | I/O — User I/O pin |
| Pin 74 | GND — Ground |
| Pin 75 | I/O — User I/O pin |
| Pin 76 | I/O — User I/O pin |
| Pin 77 | I/O — User I/O pin |
| Pin 78 | I/O — User I/O pin |
| Pin 79 | I/O — User I/O pin |
| Pin 80 | VCCIO — I/O supply voltage 5V |
| Pin 81 | I/O — User I/O pin |
| Pin 82 | I/O — User I/O pin |
| Pin 83 | I/O — User I/O pin |
| Pin 84 | I/O — User I/O pin |
| Pin 85 | I/O — User I/O pin |
| Pin 86 | GND — Ground |
| Pin 87 | TDI — JTAG Test Data In |
| Pin 88 | TMS — JTAG Test Mode Select |
| Pin 89 | TCK — JTAG Test Clock |
| Pin 90 | TDO — JTAG Test Data Out |
| Pin 91 | I/O — User I/O pin |
| Pin 92 | I/O — User I/O pin |
| Pin 93 | I/O — User I/O pin |
| Pin 94 | I/O — User I/O pin |
| Pin 95 | I/O — User I/O pin |
| Pin 96 | VCCINT — Core supply voltage 5V |
| Pin 97 | I/O — User I/O pin |
| Pin 98 | I/O — User I/O pin |
| Pin 99 | I/O — User I/O pin |
| Pin 100 | I/O — User I/O pin |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
EPF8282ATI100-4N is suitable for 6 applications: Industrial Control Glue Logic, Telecom Interface Adapters, PCI Bus Bridges and Adapters, Legacy System Replacement and Sustaining, Educational and Development Platforms, Test and Measurement Instrumentation.
Industrial Control Glue Logic
The EPF8282ATI100-4N's industrial operating temperature range (-40°C to +85°C) and 208 logic elements make it suitable for industrial control glue logic applications. The device is used to implement interface bridging, custom state machines, and protocol conversion between PLC subsystems. Its 78 user I/O pins and 5 V I/O tolerance simplify interfacing with legacy industrial sensors, relays, and motor drivers that require 5 V signaling. The 282 flip-flops allow dense registered logic for sequential control, while JTAG boundary-scan supports in-system test on the production line. Estimated: 208 LEs at 5 V typically consume ~150 mA, sufficient for control-panel designs where power budget is not the limiting factor.
Recommended
Telecom Interface Adapters
With 78 user I/O pins and 5 V PCI-compliant signaling, the EPF8282ATI100-4N supports telecom interface adapter designs such as T1/E1 framer interfaces, HDLC controllers, and bus-format converters. The device's SRAM-based programmability enables field upgrades for protocol stack changes without board rework. The FastTrack Interconnect architecture provides predictable timing for synchronous telecom protocols running up to 33 MHz. The 5 V tolerant I/O directly interfaces with legacy telecom backplanes. Engineers designing telecom adapters should note that the FLEX 8000 family has NRND status; production designs should plan migration to Cyclone IV or MAX 10 in subsequent board revisions.
Recommended
PCI Bus Bridges and Adapters
The EPF8282ATI100-4N supports PCI bus bridge implementations through its 5 V PCI-compliant I/O and 78 user I/O pins. The device can implement custom PCI target devices, I/O accelerators, or legacy-PCI-to-ISA bridges. The -4 speed grade (slowest) limits PCI clock to 25 MHz with relaxed timing budgets; for full 33 MHz PCI operation, the -3 or -2 speed grade is recommended. The 208 logic elements are sufficient for typical PCI state machines, FIFOs, and command decoders. SRAM-based configuration allows field firmware updates for bug fixes and protocol extensions. Designers should use Quartus II 13.0 or earlier and follow PCI Local Bus Specification 2.1 compliance guidelines.
Recommended
Legacy System Replacement and Sustaining
For OEM manufacturers with installed bases of legacy equipment, the EPF8282ATI100-4N provides a continuing supply of original-programmable logic for field-replacement boards. Because the device uses SRAM configuration memory, identical bitstreams can be loaded into the EPF8282ATI100-4N or its commercial-temp equivalents (EPF8282ATC100-4N, EPF8282ATC100-4), enabling spare-parts logistics flexibility. Industrial-temperature operation supports outdoor, factory-floor, and transportation applications. Authorized distributors maintain stock for 5-10 year support commitments. Designers should verify PCN/EOLN notices periodically and consider end-of-life planning using the Altera Product Lifecycle data.
Recommended
Educational and Development Platforms
The EPF8282ATI100-4N is widely available on educational FPGA development boards and university course kits due to its low cost, mature Quartus II toolchain support, and forgiving 5 V I/O. Universities and design training programs use this device to teach digital logic design, Verilog/VHDL, and synthesis concepts. The 208 LEs offer enough capacity for student projects such as CPU cores, signal processing pipelines, and custom peripherals. The TQFP-100 package is breadboard-friendly with breakout adapters. While NRND, used and new-old-stock boards remain plentiful on the secondary market at low cost for educational use.
Recommended
Test and Measurement Instrumentation
The EPF8282ATI100-4N's 78 user I/O pins, 5 V I/O tolerance, and JTAG support enable implementation of custom test-pattern generators, protocol analyzers, and instrumentation front-ends. The device's programmable logic fabric allows designers to implement arbitrary waveform sequences, custom trigger logic, and parallel bus monitoring. Industrial temperature range supports use in semi-manufacturing and process-control environments. The -4 speed grade (slowest) is acceptable for instrument-tester communication interfaces but may be limiting for high-speed parallel data acquisition above 25 MHz. Engineers should verify timing margins with the Quartus II timing analyzer tool.
Recommended
Recommended Products Summary
Engineering reference data for EPF8282ATI100-4N — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EPF8282ATC100-4N | EPF8282ATC100-4 | EPF8282ATC100-3 | EPF8282ATC100-2W | EPF8282ATC100-2 | EPF8282ATI100-3N | EPF8282ATI100-3 |
|---|---|---|---|---|---|---|---|---|
| Package | TQFP-100 (S-PQFP-G100) | TQFP-100 (S-PQFP-G100) - same | TQFP-100 (S-PQFP-G100) - same | TQFP-100 (S-PQFP-G100) - same | TQFP-100 (S-PQFP-G100) - same | TQFP-100 (S-PQFP-G100) - same | TQFP-100 (S-PQFP-G100) - same | TQFP-100 (S-PQFP-G100) - same |
| Brand | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) |
| Logic Elements | 208 | 208 | 208 | 208 | 208 | 208 | 208 | 208 |
| Flip-Flops | 282 | 282 | 282 | 282 | 282 | 282 | 282 | 282 |
| Speed Grade | -4 (slowest) | -4 (slowest) | -4 (slowest) | -3 (faster) | -2 (faster) | -2 (fastest) | -3 (faster) | -3 (faster) |
| Operating Temperature | -40C to +85C (Industrial) | 0C to +70C (Commercial) | 0C to +70C (Commercial) | 0C to +70C (Commercial) | 0C to +70C (Commercial) | 0C to +70C (Commercial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| Core Voltage | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V |
| User I/O Pins | 78 | 78 | 78 | 78 | 78 | 78 | 78 | 78 |
| Lifecycle Status | NRND | NRND | NRND | NRND | NRND | NRND | NRND | NRND |
Key Differentiators
- Industrial temperature grade (vs EPF8282ATC100-4N)
- Cost-optimized speed grade (vs EPF8282ATI100-3N)
- Largest LE count in FLEX 8282 family (vs EPF8282ALI84-4)
Design Notes
Estimated: the EPF8282ATI100-4N at 208 LEs with 78 active I/O pins and a 25 MHz clock consumes approximately 150-300 mA at 5 V core supply. Add bulk decoupling capacitors (10 uF tantalum + 0.1 uF ceramic) at each VCCINT pin and one VCCIO pin group. The five VCCINT pins and three VCCIO pins must each be decoupled to reduce ground bounce and switching noise. Power sequencing: 5 V VCCINT and VCCIO can ramp simultaneously; configuration does not begin until VCC reaches stable operating voltage.
The TQFP-100 package has a typical theta_JA of approximately 45 C/W. Estimated: at 1.5 W total dissipation in still air at 25°C ambient, the junction temperature rises about 67°C to roughly 92°C - within industrial limits but approaching the 85°C ceiling in enclosed enclosures. For sealed enclosures or high-altitude deployment, add a heatsink or thermal via array under the package exposed pad. Verify thermal performance in the actual mechanical environment; do not rely on datasheet numbers for sealed designs.
Route configuration clock (DCLK) and configuration data (DATA) traces as short, impedance-controlled nets. Place the configuration EEPROM (such as EPC1064 or EPC1441) within 10 mm of the FLEX 8000 device on a dedicated SPI-like bus. Decoupling capacitors must be placed within 3 mm of each power pin. Use a 4-layer PCB with dedicated ground and power planes for the FLEX 8000 device area; signal layers should be routed directly over ground plane to control impedance and reduce EMI on the high-speed JTAG clock.
Do not confuse the FLEX 8000 (SRAM-based, EPF8282A) with the MAX 7000 (EEPROM-based, EPM7xxx). They have different package pinouts and configuration schemes. Verify the configuration mode (MSEL0, MSEL1) matches the configuration memory device used. For JTAG programming, ensure TRST is properly handled or tied per datasheet. When migrating from -4 to -3 speed grade, update the Quartus II fitter constraints for the new timing model; existing bitstreams are not compatible across speed grades.
Compliance Information
RoHS and lead-free compliant per Altera product page. Not AEC-Q100 qualified (not designed for automotive safety applications). MSL Level 3 (168 hours) moisture sensitivity. Lifecycle status NRND per Intel/Altera product lifecycle notice.
