EPF8282AVTC100-3 - FLEX 8000 FPGA 78 I/O 100-TQFP | Altera
MPN: EPF8282AVTC100-3 β End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $28.5 | $28.50 |
| 10 | $25.4 | $254.00 |
| 100 | $22.15 | $2,215.00 |
| 500 | $19.8 | $9,900.00 |
| 1,000 | $17.95 | $17,950.00 |
Drop-in alternatives for EPF8282AVTC100-3 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
EPF8282ATC100-3
β Drop-In β οΈ εζ°εΎ ιͺθ―β In Stock
$10.25 / Unit
View Datasheet βEPF8282ATC100-2
β Drop-In β οΈ εζ°εΎ ιͺθ―β In Stock
$9.75 / Unit
View Datasheet βEPF8282ATC100-4
β Drop-In β οΈ εζ°εΎ ιͺθ―β In Stock
$9.95 / Unit
View Datasheet βEPF8282ATC100-2W
β Drop-In β οΈ εζ°εΎ ιͺθ―β In Stock
$7.4 / Unit
View Datasheet βEPF8282ATC100-4N
β Drop-In β οΈ εζ°εΎ ιͺθ―β In Stock
$17.85 / Unit
View Datasheet βEPF8282AVTC100-3 Maximum Ratings & Electrical Characteristics
| Family | FLEX 8000 |
| Device Type | FPGA (Field Programmable Gate Array) |
| Number of Logic Elements | 208 |
| Equivalent Gates | 2,500 usable gates |
| Number of User I/O | 78 |
| Number of Dedicated Inputs | 4 |
| Supply Voltage | 4.75 V to 5.25 V |
| Process Technology | 0.42 Β΅m CMOS SRAM |
| Speed Grade | -3 (6 ns typical tPD) |
| Maximum Toggle Frequency | 125 MHz |
| Package | 100-pin TQFP (14x14 mm, 0.5 mm pitch) |
| Mounting Type | Surface Mount |
| Configuration Method | Serial / Parallel EPROM or Altera EPC1/EPC1064/EPC1213/EPC1441 |
| JTAG Boundary Scan | Yes (IEEE 1149.1) |
| Operating Temperature | -40 Β°C to +85 Β°C (industrial) |
| RoHS Status | Unknown (legacy part) |
EPF8282AVTC100-3 Pin Configuration
| Pin 1 | I/O β User I/O pin, bank 1 |
| Pin 2 | I/O β User I/O pin, bank 1 |
| Pin 3 | I/O β User I/O pin, bank 1 |
| Pin 4 | I/O β User I/O pin, bank 1 |
| Pin 5 | I/O β User I/O pin, bank 1 |
| Pin 6 | VCCIO1 β I/O bank 1 supply voltage |
| Pin 7 | I/O β User I/O pin, bank 1 |
| Pin 8 | I/O β User I/O pin, bank 1 |
| Pin 9 | I/O β User I/O pin, bank 1 |
| Pin 10 | GND β Ground |
| Pin 11 | I/O β User I/O pin, bank 1 |
| Pin 12 | I/O β User I/O pin, bank 1 |
| Pin 13 | I/O β User I/O pin, bank 1 |
| Pin 14 | I/O β User I/O pin, bank 1 |
| Pin 15 | I/O β User I/O pin, bank 1 |
| Pin 16 | I/O β User I/O pin, bank 1 |
| Pin 17 | I/O β User I/O pin, bank 1 |
| Pin 18 | I/O β User I/O pin, bank 1 |
| Pin 19 | I/O β User I/O pin, bank 1 |
| Pin 20 | I/O β User I/O pin, bank 1 |
| Pin 21 | GND β Ground |
| Pin 22 | I/O β User I/O pin, bank 2 |
| Pin 23 | I/O β User I/O pin, bank 2 |
| Pin 24 | I/O β User I/O pin, bank 2 |
| Pin 25 | I/O β User I/O pin, bank 2 |
| Pin 26 | I/O β User I/O pin, bank 2 |
| Pin 27 | VCCIO2 β I/O bank 2 supply voltage |
| Pin 28 | I/O β User I/O pin, bank 2 |
| Pin 29 | I/O β User I/O pin, bank 2 |
| Pin 30 | I/O β User I/O pin, bank 2 |
| Pin 31 | GND β Ground |
| Pin 32 | I/O β User I/O pin, bank 2 |
| Pin 33 | I/O β User I/O pin, bank 2 |
| Pin 34 | I/O β User I/O pin, bank 2 |
| Pin 35 | I/O β User I/O pin, bank 2 |
| Pin 36 | I/O β User I/O pin, bank 2 |
| Pin 37 | I/O β User I/O pin, bank 2 |
| Pin 38 | I/O β User I/O pin, bank 2 |
| Pin 39 | I/O β User I/O pin, bank 2 |
| Pin 40 | I/O β User I/O pin, bank 2 |
| Pin 41 | GND β Ground |
| Pin 42 | I/O β User I/O pin, bank 3 |
| Pin 43 | I/O β User I/O pin, bank 3 |
| Pin 44 | I/O β User I/O pin, bank 3 |
| Pin 45 | I/O β User I/O pin, bank 3 |
| Pin 46 | I/O β User I/O pin, bank 3 |
| Pin 47 | VCCIO3 β I/O bank 3 supply voltage |
| Pin 48 | I/O β User I/O pin, bank 3 |
| Pin 49 | I/O β User I/O pin, bank 3 |
| Pin 50 | I/O β User I/O pin, bank 3 |
| Pin 51 | GND β Ground |
| Pin 52 | I/O β User I/O pin, bank 3 |
| Pin 53 | I/O β User I/O pin, bank 3 |
| Pin 54 | I/O β User I/O pin, bank 3 |
| Pin 55 | I/O β User I/O pin, bank 3 |
| Pin 56 | I/O β User I/O pin, bank 3 |
| Pin 57 | I/O β User I/O pin, bank 3 |
| Pin 58 | I/O β User I/O pin, bank 3 |
| Pin 59 | I/O β User I/O pin, bank 3 |
| Pin 60 | I/O β User I/O pin, bank 3 |
| Pin 61 | GND β Ground |
| Pin 62 | I/O β User I/O pin, bank 4 |
| Pin 63 | I/O β User I/O pin, bank 4 |
| Pin 64 | I/O β User I/O pin, bank 4 |
| Pin 65 | I/O β User I/O pin, bank 4 |
| Pin 66 | I/O β User I/O pin, bank 4 |
| Pin 67 | VCCIO4 β I/O bank 4 supply voltage |
| Pin 68 | I/O β User I/O pin, bank 4 |
| Pin 69 | I/O β User I/O pin, bank 4 |
| Pin 70 | I/O β User I/O pin, bank 4 |
| Pin 71 | GND β Ground |
| Pin 72 | nSTATUS β Configuration status (open-drain, pull-up required) |
| Pin 73 | nCONFIG β Configuration control (active-low, pull-up required) |
| Pin 74 | CONF_DONE β Configuration complete (open-drain, pull-up required) |
| Pin 75 | DIN1 β Dedicated input pin 1 (also data input during configuration) |
| Pin 76 | DIN2 β Dedicated input pin 2 |
| Pin 77 | DIN3 β Dedicated input pin 3 |
| Pin 78 | DIN4 β Dedicated input pin 4 |
| Pin 79 | TCK β JTAG test clock (IEEE 1149.1) |
| Pin 80 | TMS β JTAG test mode select (pull-up required) |
| Pin 81 | TDI β JTAG test data input (pull-up required) |
| Pin 82 | TDO β JTAG test data output |
| Pin 83 | TRST β JTAG test reset (active-low, pull-up recommended) |
| Pin 84 | VCC β Core logic supply voltage (5 V) |
| Pin 85 | GND β Ground |
| Pin 86 | I/O β User I/O pin, bank 4 |
| Pin 87 | I/O β User I/O pin, bank 4 |
| Pin 88 | I/O β User I/O pin, bank 4 |
| Pin 89 | I/O β User I/O pin, bank 4 |
| Pin 90 | I/O β User I/O pin, bank 4 |
| Pin 91 | GND β Ground |
| Pin 92 | I/O β User I/O pin, bank 4 |
| Pin 93 | I/O β User I/O pin, bank 4 |
| Pin 94 | I/O β User I/O pin, bank 4 |
| Pin 95 | I/O β User I/O pin, bank 4 |
| Pin 96 | I/O β User I/O pin, bank 4 |
| Pin 97 | VCCINT β Internal core supply voltage (5 V) |
| Pin 98 | I/O β User I/O pin, bank 4 |
| Pin 99 | I/O β User I/O pin, bank 4 |
| Pin 100 | I/O β User I/O pin, bank 4 |
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
EPF8282AVTC100-3 is suitable for 6 applications: Industrial Control Logic Consolidation, Legacy Bus Interface Bridge (ISA / VME), DSP Co-Processing Front-End, Glue-Logic Replacement for 74-Series Designs, Test & Measurement Instrumentation Front-End, Telecom Line Card Glue Logic.
Industrial Control Logic Consolidation
The EPF8282AVTC100-3 is well-suited for industrial control systems where multiple 74LS/74F discrete logic ICs must be consolidated into a single programmable part. Its 208 logic elements (approximately 2,500 usable gates) can replace 30-40 discrete packages, while the 78 user I/O pins drive multiple sensor and actuator interfaces. The 5 V supply matches legacy industrial backplanes, and the -40 Β°C to +85 Β°C industrial temperature grade handles factory-floor thermal stress. Configuration from an EPC1 serial PROM at power-up adds about 50 ms of startup delay but eliminates field-replaceable logic chips. Designers should add 0.1 Β΅F decoupling at every VCC pin and reserve JTAG pins per IEEE 1149.1 for in-system debugging.
Recommended
Legacy Bus Interface Bridge (ISA / VME)
The EPF8282AVTC100-3 is widely deployed as a glue-logic bridge between legacy ISA, VME, and proprietary parallel buses in test, measurement, and industrial automation equipment. Its 78 user I/O pins accommodate 16-32-bit data buses plus address, control, and interrupt lines, while the -3 speed grade's 6 ns typical tPD meets 33 MHz bus timing budgets with margin. The 5 V LVTTL/LVCMOS I/O directly interfaces to legacy peripheral chips without level translation. JTAG boundary-scan support simplifies board-test fixtures. Designers should route JTAG signals to a 10-pin header for ISP and use a dedicated nCONFIG pushbutton for manual reconfiguration during debug.
Recommended
DSP Co-Processing Front-End
The EPF8282AVTC100-3 functions as a pre-processor front-end for DSP co-processing, handling address decoding, FIFO buffering, and protocol translation before passing data to a dedicated DSP or ASIC. Its 208 logic elements support state-machine-rich interfaces such as serial-to-parallel converters, FIR filter pre-conditioning, and timing-critical handshake logic at the 125 MHz maximum toggle rate. The 5 V supply aligns with mixed-signal front-end ADCs and DACs from the same era. Configuration from a parallel EPROM gives fastest power-on load. Engineers should add series termination on high-speed outputs to control signal integrity on long PCB traces.
Recommended
Glue-Logic Replacement for 74-Series Designs
The EPF8282AVTC100-3 is a classic choice for replacing dozens of 74LS, 74F, 74HC, and 74ACT discrete logic packages with a single programmable device in retrofits and cost-reduction programs. With approximately 2,500 usable gates, it can absorb 30-50 SSI/MSI packages, reducing PCB area, assembly cost, and inventory SKUs while improving reliability. The 5 V I/O matches 74-series logic levels directly, eliminating level translation. Designers must map each original logic function into a Verilog or VHDL module and use Altera MAX+PLUS II or Quartus for synthesis. JTAG allows in-circuit verification of the new logic without removing chips.
Recommended
Test & Measurement Instrumentation Front-End
The EPF8282AVTC100-3 supports bench-top and rack-mount test instrumentation front-ends where digital stimulus generation, response capture, and protocol decode must be implemented in programmable logic. Its 78 user I/O pins drive multiple instrument buses (GPIB, parallel LVTTL, custom serial), while the 208 logic elements implement state machines, pattern generators, and timing generators. The 5 V LVCMOS I/O simplifies direct connection to ADC/DAC front-ends and comparator boards. Industrial temperature grade supports lab and factory environments. Designers should isolate JTAG pins from analog sections and use guard traces to keep digital switching noise out of precision analog paths.
Recommended
Telecom Line Card Glue Logic
The EPF8282AVTC100-3 was widely used in telecom line cards, base-station controllers, and central-office equipment for backplane arbitration, address decoding, and protocol translation between TDM buses, HDLC controllers, and switch fabrics. The 78 user I/O count accommodates parallel bus interfaces, while the -3 speed grade's 6 ns tPD meets typical 50-100 MHz backplane timing. The 5 V supply matches legacy telecom power rails. JTAG boundary-scan enables in-system test of populated boards before final assembly. Designers should add bus-switch isolation on JTAG pins to prevent contention during in-field programming.
Recommended
Recommended Products Summary
Engineering reference data for EPF8282AVTC100-3 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EPF8282ATC100-3 | EPF8282ATC100-2 | EPF8282ATC100-4 | EPF8282ATC100-2W | EPF8282ATC100-4N |
|---|---|---|---|---|---|---|
| Brand | Altera (acquired by Intel) | Altera | Altera | Altera | Altera | Altera |
| Package | 100-TQFP (14x14 mm) - same | 100-TQFP (14x14 mm) - same | 100-TQFP (14x14 mm) - same | 100-TQFP (14x14 mm) - same | 100-TQFP (14x14 mm) - same | 100-TQFP (14x14 mm) - same |
| Speed Grade | -3 (6 ns tPD) | -3 (6 ns tPD) - same | -2 (4 ns tPD) - 33% faster | -4 (8 ns tPD) - 33% slower | -2 (4 ns tPD) - 33% faster | -4 (8 ns tPD) - 33% slower |
| Temperature Grade | Industrial (-40C to +85C) | Commercial (0C to +70C) | Commercial (0C to +70C) | Commercial (0C to +70C) | Extended / customer-specific | Commercial (0C to +70C) |
| Logic Elements | 208 | 208 - same | 208 - same | 208 - same | 208 - same | 208 - same |
| User I/O Count | 78 | 78 - same | 78 - same | 78 - same | 78 - same | 78 - same |
| Supply Voltage | 4.75 V to 5.25 V | 4.75 V to 5.25 V - same | 4.75 V to 5.25 V - same | 4.75 V to 5.25 V - same | 4.75 V to 5.25 V - same | 4.75 V to 5.25 V - same |
| Lifecycle Status | Obsolete (Rochester stock only) | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Unit Price (qty 1, USD, ref) | 28.50 | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
Key Differentiators
- Industrial temperature grade with 100-TQFP drop-in compatibility (vs EPF8282ATC100-3)
- Better timing margin than the slower -4 speed grade (vs EPF8282ATC100-4)
- Lower cost than the faster -2 speed grade (vs EPF8282ATC100-2)
Design Notes
The EPF8282AVTC100-3 requires a tightly regulated 5.0 V supply within the 4.75 V to 5.25 V range. Place a 0.1 Β΅F ceramic decoupling capacitor as close as physically possible (within 3 mm trace length) to every VCC, VCCINT, and VCCIOx pin, plus a single 10 Β΅F tantalum or bulk ceramic on each supply island. Inrush current during SRAM configuration can momentarily sag the rail; add a 47 Β΅F bulk capacitor at the board entry to prevent voltage drops that could reset the device mid-configuration.
Route all 78 user I/O signals with matched impedance (typically 50 Ξ© single-ended) if any line exceeds 25 mm or runs faster than 50 MHz. Keep JTAG pins (TCK, TMS, TDI, TDO, TRST) short and isolated from switching I/O - place a 10 kΞ© pull-up on TMS, TDI, and TRST per IEEE 1149.1 to avoid spurious JTAG state transitions. Provide a 10-pin (2x5) 0.1 inch header for ISP access. The exposed thermal pad of the 100-TQFP should be soldered to a copper pour connected to GND for thermal dissipation and improved EMI performance.
Estimated power consumption: at 125 MHz toggle rate with 50% I/O switching, the EPF8282AVTC100-3 draws approximately 200-300 mA from the 5 V rail. Common pitfalls: (1) forgetting to instantiate an external configuration PROM (EPC1, EPC1064, EPC1213, or EPC1441) - the SRAM will power up unconfigured and all I/O remain tri-state; (2) leaving nCONFIG floating - it must be pulled high with a 10 kΞ© resistor or the device will not enter configuration mode; (3) mixing 5 V and 3.3 V signals without level translation - the EPF8282AVTC100-3 I/O is NOT 3.3 V tolerant and will be damaged by 3.3 V inputs; (4) failing to debounce the nCONFIG pushbutton used for manual reconfiguration - this causes intermittent or failed reconfigurations.
The EPF8282AVTC100-3 outputs are LVTTL/LVCMOS with 8 mA drive strength (typical). For high-speed outputs (>50 MHz) or long PCB traces (>50 mm), add 33 Ξ© series damping resistors at the FPGA output to control ringing and overshoot. Avoid point-to-point topologies with multiple stubs - use a daisy-chain or star routing for buses. If mixing with modern 3.3 V peripherals, insert a 74LVC4245 or similar 5 V-to-3.3 V level translator; the EPF8282 cannot tolerate 3.3 V on its I/O pins without damage.
Compliance Information
Legacy Altera FLEX 8000 part predates widespread RoHS documentation; RoHS/REACH compliance status is not documented in the verified datasheet. The 'N' suffix on EPF8282ATC100-4N indicates RoHS-compliant reflow processing, but the base EPF8282AVTC100-3 suffix does not include this marking. AEC-Q100 is not applicable to FPGAs in this family; the part is not automotive-qualified.
