EPF8282ATI100-3S - FLEX 8000 FPGA, 2.5K Gates, 100-TQFP | Intel / Altera
MPN: EPF8282ATI100-3S β End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $28.5 | $28.50 |
| 10 | $24.75 | $247.50 |
| 100 | $19.2 | $1,920.00 |
| 500 | $16.85 | $8,425.00 |
| 1,000 | $14.5 | $14,500.00 |
Drop-in alternatives for EPF8282ATI100-3S β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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View Datasheet βEPF8282ATI100-3S Maximum Ratings & Electrical Characteristics
| Family | FLEX 8000 |
| Device Logic Elements / Cells | 208 |
| Number of LABs/CLBs | 26 |
| Number of Logic Elements / Cells | 208 |
| Number of I/O | 78 |
| Number of Gates | 2500 |
| Voltage - Supply | 5 V |
| Operating Temperature | -40C to +85C (industrial, I grade) |
| Mounting Type | Surface Mount |
| Package / Case | 100-TQFP |
| Supplier Device Package | 100-TQFP |
| Speed Grade | -3 |
| Maximum Toggle Frequency | 125 MHz |
| Architecture | SRAM-based, in-circuit reconfigurable (ICR) |
| Boundary Scan | IEEE 1149.1 (JTAG) |
| Process Technology | CMOS |
EPF8282ATI100-3S Pin Configuration
| Pin 1 | I/O β User I/O pin (bank-specific I/O standard) |
| Pin 2 | I/O β User I/O pin |
| Pin 3 | I/O β User I/O pin |
| Pin 4 | I/O β User I/O pin |
| Pin 5 | VCCINT β Internal core supply (5 V) |
| Pin 6 | I/O β User I/O pin |
| Pin 7 | I/O β User I/O pin |
| Pin 8 | GND β Ground |
| Pin 9 | I/O β User I/O pin |
| Pin 10 | I/O β User I/O pin |
| Pin 11 | I/O β User I/O pin |
| Pin 12 | I/O β User I/O pin |
| Pin 13 | I/O β User I/O pin |
| Pin 14 | TDI β JTAG test data in |
| Pin 15 | TMS β JTAG test mode select |
| Pin 16 | TCK β JTAG test clock |
| Pin 17 | nSTATUS β Configuration status (open-drain) |
| Pin 18 | nCONFIG β Configuration control (active-low) |
| Pin 19 | DCLK β Configuration clock |
| Pin 20 | DATA β Configuration data in |
| Pin 21 | I/O β User I/O pin |
| Pin 22 | I/O β User I/O pin |
| Pin 23 | VCCIO β I/O supply (5 V) |
| Pin 24 | I/O β User I/O pin |
| Pin 25 | I/O β User I/O pin |
| Pin 26 | I/O β User I/O pin |
| Pin 27 | GND β Ground |
| Pin 28 | I/O β User I/O pin |
| Pin 29 | I/O β User I/O pin |
| Pin 30 | I/O β User I/O pin |
| Pin 31 | I/O β User I/O pin |
| Pin 32 | I/O β User I/O pin |
| Pin 33 | VCCINT β Internal core supply (5 V) |
| Pin 34 | I/O β User I/O pin |
| Pin 35 | I/O β User I/O pin |
| Pin 36 | I/O β User I/O pin |
| Pin 37 | I/O β User I/O pin |
| Pin 38 | I/O β User I/O pin |
| Pin 39 | I/O β User I/O pin |
| Pin 40 | GND β Ground |
| Pin 41 | I/O β User I/O pin |
| Pin 42 | I/O β User I/O pin |
| Pin 43 | I/O β User I/O pin |
| Pin 44 | I/O β User I/O pin |
| Pin 45 | I/O β User I/O pin |
| Pin 46 | I/O β User I/O pin |
| Pin 47 | I/O β User I/O pin |
| Pin 48 | I/O β User I/O pin |
| Pin 49 | VCCIO β I/O supply (5 V) |
| Pin 50 | I/O β User I/O pin |
| Pin 51 | I/O β User I/O pin |
| Pin 52 | GND β Ground |
| Pin 53 | I/O β User I/O pin |
| Pin 54 | I/O β User I/O pin |
| Pin 55 | I/O β User I/O pin |
| Pin 56 | I/O β User I/O pin |
| Pin 57 | I/O β User I/O pin |
| Pin 58 | I/O β User I/O pin |
| Pin 59 | I/O β User I/O pin |
| Pin 60 | I/O β User I/O pin |
| Pin 61 | VCCINT β Internal core supply (5 V) |
| Pin 62 | I/O β User I/O pin |
| Pin 63 | I/O β User I/O pin |
| Pin 64 | I/O β User I/O pin |
| Pin 65 | I/O β User I/O pin |
| Pin 66 | I/O β User I/O pin |
| Pin 67 | I/O β User I/O pin |
| Pin 68 | GND β Ground |
| Pin 69 | I/O β User I/O pin |
| Pin 70 | I/O β User I/O pin |
| Pin 71 | I/O β User I/O pin |
| Pin 72 | I/O β User I/O pin |
| Pin 73 | I/O β User I/O pin |
| Pin 74 | I/O β User I/O pin |
| Pin 75 | I/O β User I/O pin |
| Pin 76 | VCCIO β I/O supply (5 V) |
| Pin 77 | I/O β User I/O pin |
| Pin 78 | I/O β User I/O pin |
| Pin 79 | I/O β User I/O pin |
| Pin 80 | I/O β User I/O pin |
| Pin 81 | I/O β User I/O pin |
| Pin 82 | GND β Ground |
| Pin 83 | I/O β User I/O pin |
| Pin 84 | I/O β User I/O pin |
| Pin 85 | I/O β User I/O pin |
| Pin 86 | I/O β User I/O pin |
| Pin 87 | I/O β User I/O pin |
| Pin 88 | I/O β User I/O pin |
| Pin 89 | I/O β User I/O pin |
| Pin 90 | I/O β User I/O pin |
| Pin 91 | VCCINT β Internal core supply (5 V) |
| Pin 92 | I/O β User I/O pin |
| Pin 93 | I/O β User I/O pin |
| Pin 94 | I/O β User I/O pin |
| Pin 95 | I/O β User I/O pin |
| Pin 96 | I/O β User I/O pin |
| Pin 97 | I/O β User I/O pin |
| Pin 98 | GND β Ground |
| Pin 99 | TDO β JTAG test data out |
| Pin 100 | CONF_DONE β Configuration complete (open-drain) |
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
EPF8282ATI100-3S is suitable for 6 applications: Industrial Control Glue Logic, Legacy Communication Interface Bridging, 5 V Test and Measurement Equipment, PAL/GAL Replacement and Board Retrofit, Prototype and Education Platforms, Aerospace and Defense Legacy Avionics.
Industrial Control Glue Logic
The EPF8282ATI100-3S consolidates discrete 74-series TTL and CMOS glue logic into a single reconfigurable device on legacy 5 V industrial control boards. Its 78 user I/Os and 208 logic cells comfortably absorb typical PLC interface logic - input debouncing, output latching, watchdog timers, and state machines - while the 5 V supply tolerance eliminates the level-shifters a 3.3V Cyclone would require. Industrial temperature grade (-40C to +85C) supports factory-floor enclosures without derating. Designers gain a single inventory SKU and in-circuit reprogrammability for late-stage logic fixes that previously required board respins.
Recommended
Legacy Communication Interface Bridging
The EPF8282ATI100-3S serves as a flexible protocol-conversion bridge between legacy UART, SPI, parallel-bus, and proprietary industrial fieldbuses. The 208 logic cells and 78 I/Os are sufficient to implement multiple soft UARTs, SPI masters, and bus-isolation state machines simultaneously, replacing discrete PAL/GAL devices that previously required one part per protocol converter. Its 5V I/O tolerance directly drives RS-232/RS-485 transceivers without external level translation. The SRAM-based FLEX 8000 architecture also supports in-circuit reconfigurability, enabling field firmware updates to add new protocol support without board rework.
Recommended
5 V Test and Measurement Equipment
The EPF8282ATI100-3S is well-suited to bench-top and ATE-style test equipment where 5V backplanes and discrete logic probes still dominate. Its 125 MHz internal toggle rate is more than adequate for stimulus generation, response capture, and pattern sequencing in low-to-mid speed test fixtures. The 100-TQFP package is hand-solderable for prototype boards and reworkable when field returns require FPGA replacement. JTAG boundary-scan support enables structural interconnect tests on the host board, catching opens and shorts before functional test. The industrial temperature rating also allows use in environmental-chamber test stations.
Recommended
PAL/GAL Replacement and Board Retrofit
The EPF8282ATI100-3S is a drop-in consolidation target when end-of-life PAL or GAL devices must be replaced without PCB rework. Designers can absorb multiple PAL22V10/GAL20V8 footprints into a single FLEX 8000 device, recovering the I/O pins previously stranded by discrete PLD packages and unifying inventory. The 100-TQFP footprint is pin-compatible with the FLEX 8000 family ordering options, so a single PCB layout supports several logic capacities. SRAM-based configuration means each board ships with the most current logic version, simplifying field upgrades and end-of-life transitions to a Cyclone or MAX 10 replacement.
Recommended
Prototype and Education Platforms
The EPF8282ATI100-3S is a popular teaching platform in university V2C design labs and FPGA introduction courses because of its modest 208-logic-cell capacity, 5V tolerance, and broad toolchain support in MAX+PLUS II. Students can implement simple CPUs, state machines, and communication stacks without exceeding device resources, and the 100-TQFP is forgiving on hand-wired or breadboard-friendly carrier boards. The mature FLEX 8000 datasheet and abundant reference designs make it ideal for coursework. Industrial temperature grade also lets the same board operate in field-deployment capstone projects.
Recommended
Aerospace and Defense Legacy Avionics
The EPF8282ATI100-3S retains a long tail in legacy avionics, naval, and aerospace retrofit programs where the 5V supply bus and FLEX 8000 design heritage are entrenched in certified drawings. Re-qualifying an FPGA in a DO-254 or MIL-STD-882 program is prohibitively expensive, so programs instead continue to source the original FLEX 8000 die from authorized distributors for line-replaceable units. The industrial temperature grade covers most cockpit and cabin environments, while the JTAG boundary scan supports depot-level board test. New aerospace designs should target radiation-tolerant Microsemi/Actel or modern Xilinx Kintex UltraScale devices instead.
Recommended
Recommended Products Summary
Engineering reference data for EPF8282ATI100-3S β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EPF8282ATI100-3N | EPF8282ATI100-3 | EPF8282ATC100-3 | EPF8282ATC100-2 | EPF8282ATC100-4N | EPF8282ATC100-2W |
|---|---|---|---|---|---|---|---|
| Brand | Intel (formerly Altera) | Intel | Intel | Intel | Intel | Intel | Intel |
| Package | 100-TQFP | 100-TQFP - same | 100-TQFP - same | 100-TQFP - same | 100-TQFP - same | 100-TQFP - same | 100-TQFP - same |
| Logic Cells / Elements | 208 | 208 | 208 | 208 | 208 | 208 | 208 |
| Usable Gates | 2500 | 2500 | 2500 | 2500 | 2500 | 2500 | 2500 |
| User I/Os | 78 | 78 | 78 | 78 | 78 | 78 | 78 |
| Supply Voltage | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C (industrial) | -40C to +85C (industrial) | 0C to +70C (commercial) | 0C to +70C (commercial) | 0C to +70C (commercial) | 0C to +70C (commercial) |
| Speed Grade | -3 | -3 (same) | -3 (same) | -3 (same) | -2 (slower, ~20% lower fmax) | -4 (faster, ~15-25% higher fmax) | -2 (slower, ~20% lower fmax) |
Key Differentiators
- 100-pin TQFP package simplifies hand-prototyping and rework (vs EPF8282ALC84-4 (84-pin PLCC))
- Industrial temperature grade for harsh environments (vs EPF8282ATC100-3 (commercial temperature))
- Speed grade -3 balances fmax and power (vs EPF8282ATC100-2 (speed grade -2))
Design Notes
Estimated: at 5V VCC, 78 active I/Os, and 50% toggle rate, the EPF8282ATI100-3S draws on the order of 50-150 mA ICC plus I/O loading. Provide at least 4-6 decoupling capacitors per board: 0.1 uF X7R ceramic near every VCCINT/VCCIO pin pair and a bulk 47-100 uF tantalum or aluminum polymer at the regulator output. Use a star-ground topology tying all FPGA GND pins to a low-impedance plane. The 5V supply tolerance simplifies regulator selection - a simple LM7805 or LDO is sufficient for industrial designs.
The 100-TQFP package has a 0.5 mm pitch and a 14x14 mm body; allocate at least 1.6 mm of trace width/space and 0.4 mm via drill for fanout. Use a 4-layer stackup with dedicated VCC and GND planes; place the FPGA on the top side and route critical JTAG and clock traces (TCK, DCLK) on inner stripline layers with continuous ground reference. Expose the JTAG header (TCK/TMS/TDI/TDO plus GND) at the board edge for production programming and field updates using the Altera ByteBlaster cable.
Three common pitfalls when using the EPF8282ATI100-3S: (1) leaving nCONFIG floating - tie it high via a 10k pull-up to VCCINT and add a push-button to GND for manual reconfiguration. (2) Driving JTAG TCK faster than the datasheet-specified maximum (typically 10 MHz for FLEX 8000). (3) Confusing the 'A' (100-TQFP) package option with the 'C' (commercial temperature) device - this part is industrial (I) and 100-TQFP (T), so verify both suffixes on the top marking. Also ensure nSTATUS is pulled up to VCCINT via 10k and CONF_DONE similarly, as both are open-drain outputs.
Although the EPF8282ATI100-3S is a low-speed FPGA by modern standards (125 MHz internal), signal-integrity rules still apply on the JTAG and clock pins. Series-terminate clock outputs (DCLK, TCK) with 33 ohm resistors near the FPGA pin if the trace exceeds 50 mm or crosses multiple connectors. Keep TTL/CMOS outputs separated from clock traces by at least 3x trace width. For mixed 5V/3.3V designs, do not directly drive the EPF8282ATI100-3S inputs from 3.3V logic unless the source meets Vih_min; if not, add a level translator or series resistor.
Compliance Information
Compliance status for the EPF8282ATI100-3S is not explicitly stated in the verified distributor data; the FLEX 8000 family predates formal RoHS/REACH declarations in many cases. Verify the specific MPN's compliance via the manufacturer's product declaration letter before use in RoHS-mandated regions. Not AEC-Q100 qualified (FPGA); AEC-Q100 is not applicable to this device class.
