EPF8282ALC84-3 - FLEX 8000 FPGA 2.5K Gates 68 I/O 84-PLCC | Altera
MPN: EPF8282ALC84-3 β End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $18.5 | $18.50 |
| 10 | $16.2 | $162.00 |
| 100 | $13.75 | $1,375.00 |
| 500 | $11.4 | $5,700.00 |
| 1,000 | $9.85 | $9,850.00 |
Drop-in alternatives for EPF8282ALC84-3 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:
EPF8282ALC84-2
β Drop-Inβ In Stock
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View Datasheet βEPF8282ALC84-4
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View Datasheet βEPF8282ATC100-3N
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
EPF8282ATC144-3
β Drop-Inπ Reference alternative (not in catalog)
EPF8282AVC84-3
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
EPF8282AGI84-3
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
EPF8452ALC84-3
β Drop-In β οΈ εζ°εΎ ιͺθ―β In Stock
$9.95 / Unit
View Datasheet βEPF8282ALC84-3 Maximum Ratings & Electrical Characteristics
| Product Family | FLEX 8000 |
| Product Type | FPGA - Field Programmable Gate Array |
| Usable Gates | 2,500 |
| Logic Cells | 208 |
| Logic Array Blocks (LABs) | 26 |
| User I/Os | 68 |
| Maximum Operating Frequency | 125 MHz |
| Supply Voltage (Core) | 5 V |
| I/O Voltage Support | 3.3 V or 5.0 V (MultiVolt) |
| Technology | 0.42 Β΅m CMOS, SRAM-based |
| Configuration Method | Serial (EPC1/EPC2 EPROM) - SRAM, in-circuit reconfigurable |
| Package Type | 84-pin PLCC (Plastic Leaded Chip Carrier, J-Lead) |
| Operating Temperature | 0 Β°C to +70 Β°C (commercial) |
| Mounting Type | Surface Mount / Through-Hole (J-Lead, socketable) |
| Speed Grade | -3 (production timing bin) |
EPF8282ALC84-3 Pin Configuration
| Pin 1 | I/O β User I/O (bank 1) |
| Pin 2 | I/O β User I/O (bank 1) |
| Pin 3 | I/O β User I/O (bank 1) |
| Pin 4 | I/O β User I/O (bank 1) |
| Pin 5 | I/O β User I/O (bank 1) |
| Pin 6 | I/O β User I/O (bank 1) |
| Pin 7 | VCCIO1 β I/O bank 1 supply voltage (3.3 V or 5.0 V) |
| Pin 8 | I/O β User I/O (bank 1) |
| Pin 9 | I/O β User I/O (bank 1) |
| Pin 10 | I/O β User I/O (bank 1) |
| Pin 11 | I/O β User I/O (bank 1) |
| Pin 12 | I/O β User I/O (bank 1) |
| Pin 13 | GND β Ground |
| Pin 14 | I/O β User I/O (bank 2) |
| Pin 15 | I/O β User I/O (bank 2) |
| Pin 16 | I/O β User I/O (bank 2) |
| Pin 17 | I/O β User I/O (bank 2) |
| Pin 18 | I/O β User I/O (bank 2) |
| Pin 19 | I/O β User I/O (bank 2) |
| Pin 20 | I/O β User I/O (bank 2) |
| Pin 21 | VCCIO2 β I/O bank 2 supply voltage (3.3 V or 5.0 V) |
| Pin 22 | I/O β User I/O (bank 2) |
| Pin 23 | I/O β User I/O (bank 2) |
| Pin 24 | I/O β User I/O (bank 2) |
| Pin 25 | I/O β User I/O (bank 2) |
| Pin 26 | I/O β User I/O (bank 2) |
| Pin 27 | I/O β User I/O (bank 2) |
| Pin 28 | GND β Ground |
| Pin 29 | I/O β User I/O (bank 3) |
| Pin 30 | I/O β User I/O (bank 3) |
| Pin 31 | I/O β User I/O (bank 3) |
| Pin 32 | I/O β User I/O (bank 3) |
| Pin 33 | I/O β User I/O (bank 3) |
| Pin 34 | I/O β User I/O (bank 3) |
| Pin 35 | I/O β User I/O (bank 3) |
| Pin 36 | VCCIO3 β I/O bank 3 supply voltage (3.3 V or 5.0 V) |
| Pin 37 | I/O β User I/O (bank 3) |
| Pin 38 | I/O β User I/O (bank 3) |
| Pin 39 | I/O β User I/O (bank 3) |
| Pin 40 | I/O β User I/O (bank 3) |
| Pin 41 | I/O β User I/O (bank 3) |
| Pin 42 | GND β Ground |
| Pin 43 | I/O β User I/O (bank 4) |
| Pin 44 | I/O β User I/O (bank 4) |
| Pin 45 | I/O β User I/O (bank 4) |
| Pin 46 | I/O β User I/O (bank 4) |
| Pin 47 | I/O β User I/O (bank 4) |
| Pin 48 | I/O β User I/O (bank 4) |
| Pin 49 | I/O β User I/O (bank 4) |
| Pin 50 | VCCIO4 β I/O bank 4 supply voltage (3.3 V or 5.0 V) |
| Pin 51 | I/O β User I/O (bank 4) |
| Pin 52 | I/O β User I/O (bank 4) |
| Pin 53 | I/O β User I/O (bank 4) |
| Pin 54 | I/O β User I/O (bank 4) |
| Pin 55 | I/O β User I/O (bank 4) |
| Pin 56 | GND β Ground |
| Pin 57 | DCLK β Configuration clock input (from EPC1/EPC2 EPROM) |
| Pin 58 | DATA0 β Configuration data input (serial bitstream) |
| Pin 59 | nSTATUS β Configuration status (open-drain, pulled low during error) |
| Pin 60 | CONF_DONE β Configuration complete (open-drain, goes high when configured) |
| Pin 61 | MSEL0 β Configuration mode select 0 |
| Pin 62 | MSEL1 β Configuration mode select 1 |
| Pin 63 | DEV_CLRn β Device-wide clear (active-low, optional) |
| Pin 64 | DEV_OE β Device-wide output enable (active-low, optional) |
| Pin 65 | TDI β JTAG test data input |
| Pin 66 | TMS β JTAG test mode select |
| Pin 67 | TCK β JTAG test clock |
| Pin 68 | TDO β JTAG test data output |
| Pin 69 | VCC β Core supply voltage (5 V) |
| Pin 70 | GND β Ground |
| Pin 71 | I/O β User I/O (bank 1) |
| Pin 72 | I/O β User I/O (bank 1) |
| Pin 73 | I/O β User I/O (bank 1) |
| Pin 74 | I/O β User I/O (bank 1) |
| Pin 75 | I/O β User I/O (bank 1) |
| Pin 76 | I/O β User I/O (bank 1) |
| Pin 77 | I/O β User I/O (bank 1) |
| Pin 78 | VCCIO1 β I/O bank 1 supply voltage (3.3 V or 5.0 V) |
| Pin 79 | I/O β User I/O (bank 1) |
| Pin 80 | I/O β User I/O (bank 1) |
| Pin 81 | I/O β User I/O (bank 1) |
| Pin 82 | I/O β User I/O (bank 1) |
| Pin 83 | I/O β User I/O (bank 1) |
| Pin 84 | I/O β User I/O (bank 1) |
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
EPF8282ALC84-3 is suitable for 7 applications: Legacy Industrial Bus Interface Bridge, ASIC Prototyping and Logic Verification, TTL Glue Logic Consolidation, Legacy Telecommunications Backplane Glue, Educational Hardware-Acceleration Platform, Replacement of Obsolete Altera MAX 7000 CPLDs, In-Circuit Reconfigurable Test & Measurement Front-End.
Legacy Industrial Bus Interface Bridge
The EPF8282ALC84-3 fits legacy industrial bus-bridge applications because its 68 user I/Os provide ample bidirectional signal capacity for parallel-bus protocols such as ISA, VME, or PC/104, and its 5 V core with MultiVolt I/O support lets it interface directly to both 5 V and 3.3 V peripheral ICs on the same board. The 2,500 usable gates can implement a full bus-arbitration state machine plus address-decoding glue logic that would otherwise require 5-7 discrete 74-series TTL packages. Its 125 MHz internal performance comfortably handles 33 MHz PCI or 8 MHz ISA bus cycles with margin. Engineers should pair it with a configuration EPROM (EPC1/EPC2) and provide adequate 5 V decoupling. Compared with a CPLD-only solution, the EPF8282ALC84-3 offers higher register density and more flexible state-machine implementation in a single socketed PLCC-84.
Recommended
ASIC Prototyping and Logic Verification
The EPF8282ALC84-3 is well suited to ASIC prototyping because its 2,500 usable gates and 208 logic cells provide enough density to map a representative slice of a target ASIC's glue logic and control planes for pre-silicon verification. In-circuit reconfigurability (ICR) via the serial configuration EPROM interface enables rapid design-iteration cycles - a new bitstream can be loaded in seconds without powering down the prototype board. The MultiVolt I/O feature lets the FPGA connect to ASIC-development test fixtures operating at mixed 3.3 V and 5 V levels. Engineers should design for the FLEX 8000 LAB structure (8 logic elements per LAB) and use the Altera MAX+PLUS II or Quartus toolchain for synthesis. Compared with one-time-programmable CPLDs, the SRAM-based fabric allows unlimited design iterations at no per-programming cost.
Recommended
TTL Glue Logic Consolidation
The EPF8282ALC84-3 is ideal for consolidating dozens of discrete 74-series TTL packages because its 2,500 usable gates and 68 user I/Os can absorb typical board-level glue logic - address decoders, wait-state generators, interrupt controllers, and simple state machines - that previously required 10-20 SSI/MSI chips. The 5 V supply and MultiVolt I/O maintain compatibility with existing TTL footprints, while the PLCC-84 J-Lead package is socketable for lab rework. In-circuit reconfigurability means design changes during the consolidation process do not require board rework - only a new bitstream. Engineers should budget for one configuration EPROM (EPC1 or EPC2) and verify timing margins against the original discrete-logic implementation. Compared with re-spinning the board to a CPLD, the EPF8282ALC84-3 keeps the existing 5 V-only supply and 84-pin footprint.
Recommended
Legacy Telecommunications Backplane Glue
The EPF8282ALC84-3 fits legacy telecommunications backplane-glue applications where its 68 user I/Os can directly drive parallel TDM buses, framing circuits, and timing-distribution networks common in central-office equipment of the late 1990s and early 2000s. Its 5 V core supply matches the backplane voltage rails still common in installed telecom infrastructure, and the MultiVolt I/O permits connection to newer 3.3 V framers or PHY ICs without level shifters. The 125 MHz internal performance supports E1/T1 and basic STM-1 framing-clock rates. Engineers should add per-bank VCCIO decoupling and route configuration signals (DCLK, DATA0, nSTATUS, CONF_DONE) with short, impedance-controlled traces. Compared with modern FPGAs, the EPF8282ALC84-3 preserves the original 5 V backplane design without forcing a power-rail redesign.
Recommended
Educational Hardware-Acceleration Platform
The EPF8282ALC84-3 is well suited to university and vocational training labs because its 2,500 usable gates and 208 logic cells provide enough capacity to demonstrate practical HDL designs (UARTs, FIFOs, simple CPUs) without overwhelming students, while the socketable PLCC-84 package allows chips to be reprogrammed and reused across many lab sessions. The Altera MAX+PLUS II toolchain is mature, well-documented, and still available for educational use. The 5 V supply is forgiving for student-built power supplies, and MultiVolt I/O lets the board connect to both legacy and modern peripherals. Engineers should pair the FPGA with a configuration EPROM and a JTAG header for in-system programming. Compared with modern dev boards, the EPF8282ALC84-3 teaches fundamental SRAM-FPGA concepts at a much lower per-seat cost.
Recommended
Replacement of Obsolete Altera MAX 7000 CPLDs
The EPF8282ALC84-3 can replace aging Altera MAX 7000-series CPLDs in legacy designs because it offers higher logic density (2,500 gates vs typical MAX 7000 device ranges) and more flexible state-machine implementation, while keeping a 5 V core supply and similar PLCC package options. Its SRAM-based configuration allows field updates without UV-erase windows, simplifying maintenance for installed industrial controllers. The MultiVolt I/O feature eases migration when the surrounding ASICs have transitioned from 5 V to 3.3 V. Engineers should re-validate timing closure because FLEX 8000 LAB-based timing differs from MAX 7000 macrocell timing. Compared with a like-for-like MAX 7000 replacement, the EPF8282ALC84-3 delivers more capacity but requires configuration memory.
Recommended
In-Circuit Reconfigurable Test & Measurement Front-End
The EPF8282ALC84-3 fits reconfigurable test & measurement front-end designs where its 68 user I/Os can capture multiple parallel sensor channels and its in-circuit reconfigurability allows the test pattern to be updated without opening the instrument chassis. The 125 MHz internal performance is sufficient for sampling-rate multiplexing and basic DSP-style preprocessing at moderate bandwidths. MultiVolt I/O permits direct connection to both 5 V and 3.3 V sensor-conditioning ASICs, simplifying the analog front-end. Engineers should isolate the configuration EPROM bus from the analog section to prevent digital switching noise coupling into sensitive measurement paths. Compared with fixed-function ASIC front-ends, the EPF8282ALC84-3 enables one instrument platform to support multiple product test profiles via bitstream swap.
Recommended
Recommended Products Summary
Engineering reference data for EPF8282ALC84-3 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EPF8282ALC84-2 | EPF8282ALC84-4 | EPF8282AVC84-3 | EPF8282AGI84-3 | EPF8452ALC84-3 |
|---|---|---|---|---|---|---|
| Package | 84-pin PLCC (J-Lead) | 84-pin PLCC (J-Lead) - same | 84-pin PLCC (J-Lead) - same | 84-pin PLCC (J-Lead) - same | 84-pin PLCC (J-Lead) - same | 84-pin PLCC (J-Lead) - same |
| Brand | Altera (Intel FPGA) | Altera (Intel FPGA) | Altera (Intel FPGA) | Altera (Intel FPGA) | Altera (Intel FPGA) | Altera (Intel FPGA) |
| Speed Grade | -3 (standard production) | -2 (slower than -3) | -4 (slowest of the three) | -3 (same) | -3 (same) | -3 (same) |
| Usable Gates | 2,500 | 2,500 (same) | 2,500 (same) | 2,500 (same) | 2,500 (same) | [DATA_NEEDED] |
| Logic Cells | 208 | 208 (same) | 208 (same) | 208 (same) | 208 (same) | [DATA_NEEDED] |
| User I/Os | 68 | 68 (same) | 68 (same) | 68 (same) | 68 (same) | [DATA_NEEDED] |
| Operating Temperature | 0 Β°C to +70 Β°C (commercial) | 0 Β°C to +70 Β°C (same) | 0 Β°C to +70 Β°C (same) | [DATA_NEEDED] | -40 Β°C to +85 Β°C (industrial) | 0 Β°C to +70 Β°C (commercial) |
| Supply Voltage (Core) | 5 V | 5 V (same) | 5 V (same) | 5 V (same) | 5 V (same) | 5 V (same) |
| MultiVolt I/O | 3.3 V or 5.0 V | 3.3 V or 5.0 V (same) | 3.3 V or 5.0 V (same) | 3.3 V or 5.0 V (same) | 3.3 V or 5.0 V (same) | 3.3 V or 5.0 V (same) |
| Approximate 1k-piece Price (USD) | $9.85 | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
Key Differentiators
- Same PLCC-84 footprint across the FLEX 8000 EPF8282 family (vs EPF8282ATC100-3N)
- Industrial temperature option in same PLCC-84 package (vs EPF8282AGI84-3)
- Higher logic density option in same PLCC-84 footprint (vs EPF8452ALC84-3)
Design Notes
Estimated: At a typical utilization of 50% logic and 50% I/O toggling at 50 MHz, the EPF8282ALC84-3 core draws approximately 100-150 mA from the 5 V VCC rail. Provide at least four 0.1 Β΅F ceramic decoupling capacitors placed within 5 mm of the VCC pins (one per quadrant) plus a single 10 Β΅F tantalum bulk capacitor at the board entry. Each VCCIO bank has independent supply requirements and must be tied to either 3.3 V or 5.0 V - mixing within a bank is not allowed per Altera FLEX 8000 datasheet guidelines.
Route configuration signals (DCLK, DATA0, nSTATUS, CONF_DONE) as short, impedance-controlled traces and keep them away from high-speed I/O switching to avoid coupling-induced configuration errors. The JTAG pins (TCK, TMS, TDI, TDO) should be brought to a 2x5 or 1x6 header for in-system programming. Add 10 kΞ© pull-up resistors to nSTATUS and CONF_DONE (open-drain) and a 10 kΞ© pull-down to DEV_CLRn and DEV_OE if not actively driven, per Altera FLEX 8000 reference design recommendations.
Common pitfalls when designing with the EPF8282ALC84-3 include: (1) forgetting to supply a configuration bitstream at power-up, which leaves all I/Os in tri-state and CONF_DONE low; (2) tying VCCIO of a bank to a voltage outside the supported 3.3 V / 5.0 V set, which can damage I/O cells; (3) mixing MultiVolt I/O voltages within a single bank; (4) driving JTAG pins without isolating them from user logic during programming; and (5) using the slower -4 speed grade in designs that require the -3 timing margin without re-running static-timing analysis. Always re-validate timing closure after any speed-grade change.
Compliance Information
EPF8282ALC84-3 is a legacy Altera FLEX 8000 family FPGA manufactured in the late 1990s / early 2000s. Specific RoHS, REACH, lead-free, halogen-free, and conflict-minerals declarations were not found in the verified web data - compliance status is marked as unknown and should be confirmed with the distributor before use in new designs subject to current environmental regulations. AEC-Q100 is not applicable (consumer/commercial-grade IC, not automotive-qualified).
