EPF8452ALC84-3 - FLEX 8000 FPGA, 84-PLCC | Intel / Altera
MPN: EPF8452ALC84-3 β Last Time Buy| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $18.5 | $18.50 |
| 10 | $16.25 | $162.50 |
| 100 | $13.8 | $1,380.00 |
| 500 | $11.4 | $5,700.00 |
| 1,000 | $9.95 | $9,950.00 |
Drop-in alternatives for EPF8452ALC84-3 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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View Datasheet βEPF8452ALC84-3 Maximum Ratings & Electrical Characteristics
| Family | FLEX 8000 |
| Device Logic Elements | 336 |
| Usable Gates | 4,000 to 16,000 |
| Number of Registers | Up to 1,500 |
| User I/O Count | 68 |
| Supply Voltage | 5.0 V (core), 3.3 V or 5.0 V (I/O multiVolt) |
| Process Technology | 0.5 Β΅m CMOS SRAM |
| Configuration Method | SRAM, serial or parallel EPROM |
| Package | 84-LCC / 84-PLCC (J-Lead) |
| Pin Count | 84 |
| Mounting Type | Surface Mount (PLCC socket compatible) |
| Operating Temperature | 0Β°C to +70Β°C (commercial) |
| Speed Grade | -3 |
| JTAG Support | Yes (IEEE 1149.1 boundary scan) |
| On-chip PLL | Yes |
| Configuration Devices Supported | EPC1, EPC1213, EPC1064, EPC1441 |
| MultiVolt I/O | Yes (3.3 V and 5.0 V) |
EPF8452ALC84-3 Pin Configuration
| Pin 1 | I/O β User I/O pin (bank-dependent) |
| Pin 2 | I/O β User I/O pin (bank-dependent) |
| Pin 3 | I/O β User I/O pin (bank-dependent) |
| Pin 4 | I/O β User I/O pin (bank-dependent) |
| Pin 5 | I/O β User I/O pin (bank-dependent) |
| Pin 6 | I/O β User I/O pin (bank-dependent) |
| Pin 7 | I/O β User I/O pin (bank-dependent) |
| Pin 8 | VCCINT β 5.0 V core supply |
| Pin 9 | I/O β User I/O pin (bank-dependent) |
| Pin 10 | I/O β User I/O pin (bank-dependent) |
| Pin 11 | I/O β User I/O pin (bank-dependent) |
| Pin 12 | I/O β User I/O pin (bank-dependent) |
| Pin 13 | I/O β User I/O pin (bank-dependent) |
| Pin 14 | I/O β User I/O pin (bank-dependent) |
| Pin 15 | I/O β User I/O pin (bank-dependent) |
| Pin 16 | I/O β User I/O pin (bank-dependent) |
| Pin 17 | I/O β User I/O pin (bank-dependent) |
| Pin 18 | I/O β User I/O pin (bank-dependent) |
| Pin 19 | I/O β User I/O pin (bank-dependent) |
| Pin 20 | I/O β User I/O pin (bank-dependent) |
| Pin 21 | GND β Ground |
| Pin 22 | I/O β User I/O pin (bank-dependent) |
| Pin 23 | I/O β User I/O pin (bank-dependent) |
| Pin 24 | I/O β User I/O pin (bank-dependent) |
| Pin 25 | I/O β User I/O pin (bank-dependent) |
| Pin 26 | I/O β User I/O pin (bank-dependent) |
| Pin 27 | I/O β User I/O pin (bank-dependent) |
| Pin 28 | I/O β User I/O pin (bank-dependent) |
| Pin 29 | I/O β User I/O pin (bank-dependent) |
| Pin 30 | I/O β User I/O pin (bank-dependent) |
| Pin 31 | I/O β User I/O pin (bank-dependent) |
| Pin 32 | I/O β User I/O pin (bank-dependent) |
| Pin 33 | VCCIO β I/O supply voltage (3.3 V or 5.0 V) |
| Pin 34 | I/O β User I/O pin (bank-dependent) |
| Pin 35 | I/O β User I/O pin (bank-dependent) |
| Pin 36 | I/O β User I/O pin (bank-dependent) |
| Pin 37 | I/O β User I/O pin (bank-dependent) |
| Pin 38 | I/O β User I/O pin (bank-dependent) |
| Pin 39 | I/O β User I/O pin (bank-dependent) |
| Pin 40 | I/O β User I/O pin (bank-dependent) |
| Pin 41 | I/O β User I/O pin (bank-dependent) |
| Pin 42 | GND β Ground |
| Pin 43 | I/O β User I/O pin (bank-dependent) |
| Pin 44 | I/O β User I/O pin (bank-dependent) |
| Pin 45 | I/O β User I/O pin (bank-dependent) |
| Pin 46 | I/O β User I/O pin (bank-dependent) |
| Pin 47 | I/O β User I/O pin (bank-dependent) |
| Pin 48 | I/O β User I/O pin (bank-dependent) |
| Pin 49 | I/O β User I/O pin (bank-dependent) |
| Pin 50 | I/O β User I/O pin (bank-dependent) |
| Pin 51 | I/O β User I/O pin (bank-dependent) |
| Pin 52 | I/O β User I/O pin (bank-dependent) |
| Pin 53 | VCCINT β 5.0 V core supply |
| Pin 54 | I/O β User I/O pin (bank-dependent) |
| Pin 55 | I/O β User I/O pin (bank-dependent) |
| Pin 56 | I/O β User I/O pin (bank-dependent) |
| Pin 57 | I/O β User I/O pin (bank-dependent) |
| Pin 58 | I/O β User I/O pin (bank-dependent) |
| Pin 59 | I/O β User I/O pin (bank-dependent) |
| Pin 60 | I/O β User I/O pin (bank-dependent) |
| Pin 61 | I/O β User I/O pin (bank-dependent) |
| Pin 62 | I/O β User I/O pin (bank-dependent) |
| Pin 63 | GND β Ground |
| Pin 64 | I/O β User I/O pin (bank-dependent) |
| Pin 65 | I/O β User I/O pin (bank-dependent) |
| Pin 66 | I/O β User I/O pin (bank-dependent) |
| Pin 67 | I/O β User I/O pin (bank-dependent) |
| Pin 68 | I/O β User I/O pin (bank-dependent) |
| Pin 69 | I/O β User I/O pin (bank-dependent) |
| Pin 70 | I/O β User I/O pin (bank-dependent) |
| Pin 71 | I/O β User I/O pin (bank-dependent) |
| Pin 72 | I/O β User I/O pin (bank-dependent) |
| Pin 73 | I/O β User I/O pin (bank-dependent) |
| Pin 74 | VCCIO β I/O supply voltage (3.3 V or 5.0 V) |
| Pin 75 | TDI β JTAG test data input |
| Pin 76 | TMS β JTAG test mode select |
| Pin 77 | TCK β JTAG test clock |
| Pin 78 | nCONFIG β Configuration control (active low) |
| Pin 79 | nSTATUS β Configuration status (active low) |
| Pin 80 | CONF_DONE β Configuration complete (open drain) |
| Pin 81 | DCLK β Configuration clock input |
| Pin 82 | DATA0 β Configuration data input |
| Pin 83 | TDO β JTAG test data output |
| Pin 84 | GND β Ground |
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
EPF8452ALC84-3 is suitable for 6 applications: Telecom Interface Cards and Glue Logic, Industrial Control and PLC Backplanes, Legacy Bus Bridges (ISA / VME / PCI), Test and Measurement Instrumentation Front-End, DSP Pre-Processing and Sample Buffering, Aerospace and Avionics Subsystems.
Telecom Interface Cards and Glue Logic
The EPF8452ALC84-3 fits telecom interface cards where it bridges legacy 5 V microprocessors to 3.3 V peripherals via its multiVolt I/O. Its 68 user I/O and 336 LEs handle address decoding, FIFO control, and interrupt steering without requiring an external CPLD. The 5 V core tolerates industrial backplane rails, while the PLCC package supports socketed field replacement when a card fails in service. Designers typically pair it with an EPC1441 serial configuration device so the bitstream reloads automatically at every power cycle.
Recommended
Industrial Control and PLC Backplanes
On industrial PLC backplanes, the EPF8452ALC84-3 implements custom protocol handling, encoder interfacing, and safety-logic gating where ASIC NRE is unjustified. Its 16,000 usable gates accommodate several hundred lines of state-machine logic, and the JTAG boundary scan (IEEE 1149.1) lets production engineers verify solder joints on every PLC module. The PLCC package tolerates the wider operating-temperature swings typical of factory-floor enclosures when paired with industrial-grade (-40 Β°C to +85 Β°C) variants of the FLEX 8000 family.
Recommended
Legacy Bus Bridges (ISA / VME / PCI)
The EPF8452ALC84-3 is widely deployed as a glue-logic bridge between legacy ISA, VME, or PCI buses and modern peripheral chipsets. Its 68 I/O lines map comfortably onto 16-bit data plus 24-bit address plus control signal decoding, while the on-chip PLL derives the bus clock from a single reference. Designers use the SRAM-based configuration to update the bridge logic in the field without re-spinning the PCB, which is critical for long-life industrial and medical systems.
Recommended
Test and Measurement Instrumentation Front-End
In test and measurement front-ends, the EPF8452ALC84-3 performs trigger sequencing, channel multiplexing, and timing generation between the analog front-end and a host DSP or microcontroller. The multiVolt I/O lets it interface directly to both 5 V analog switches and 3.3 V ADCs without level translators. The JTAG TAP enables production-time boundary-scan tests, which catch assembly defects that ICT cannot reach under BGA or fine-pitch devices on adjacent signal paths.
Recommended
DSP Pre-Processing and Sample Buffering
The EPF8452ALC84-3 is suitable for DSP pre-processing blocks where it implements FIFOs, address counters, and format conversion in front of a dedicated DSP or microprocessor. Up to 1,500 registers provide sufficient pipeline depth for sample-rate conversion, and the carry chains support fast arithmetic operations. The PLCC socketed package simplifies firmware iteration during algorithm development, allowing engineers to swap pre-programmed devices as the algorithm evolves.
Recommended
Aerospace and Avionics Subsystems
In avionics subsystems, the EPF8452ALC84-3 implements ARINC 429 / MIL-STD-1553 protocol front-ends, discrete I/O expansion, and watchdog logic. Its commercial temperature grade covers most benign avionics bays, and the SRAM-based in-circuit reconfigurability supports field updates without unsoldering the device. Designers pair the FPGA with a watchdog supervisor and an EPC configuration device for deterministic power-up, which is required for DO-254 design assurance workflows on legacy platforms.
Recommended
Recommended Products Summary
Engineering reference data for EPF8452ALC84-3 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EPF8282ALC84-3 | EPF8282ALI84-4 | EPF8282ALC84-4 | EPF8282ALC84-4N | EPF8282ALC84-2 |
|---|---|---|---|---|---|---|
| Brand | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) |
| Package | 84-PLCC (J-Lead) | 84-PLCC (J-Lead) - same | 84-PLCC (J-Lead) - same | 84-PLCC (J-Lead) - same | 84-PLCC (J-Lead) - same | 84-PLCC (J-Lead) - same |
| Usable Gates | 4,000 to 16,000 | 2,000 to 8,000 | 2,000 to 8,000 | 2,000 to 8,000 | 2,000 to 8,000 | 2,000 to 8,000 |
| Logic Elements | 336 | 208 | 208 | 208 | 208 | 208 |
| User I/O Count | 68 | 68 | 68 | 68 | 68 | 68 |
| Speed Grade | -3 | -3 | -4 | -4 | -4 | -2 (faster) |
| Operating Temperature | 0Β°C to +70Β°C (commercial) | 0Β°C to +70Β°C | -40Β°C to +85Β°C (industrial) | 0Β°C to +70Β°C | 0Β°C to +70Β°C | 0Β°C to +70Β°C |
| Lead-Free Finish | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | Yes (N suffix) | [DATA_NEEDED] |
| Approx. Unit Price (qty 1) | USD 18.50 | USD 12.80 | USD 15.20 | USD 13.50 | USD 14.00 | USD 16.40 |
Key Differentiators
- Higher logic density than EPF8282ALC84-3 in the same 84-PLCC package (vs EPF8282ALC84-3)
- Higher I/O count than EPF81500ARC240-3's smaller packages in the same family (vs EPF81500ARC240-3)
- 5 V core support versus newer 1.5/1.8 V Cyclone-series FPGAs (vs Cyclone IV EP4CE6E22)
Design Notes
The EPF8452ALC84-3 requires separate VCCINT (5.0 V core) and VCCIO (3.3 V or 5.0 V) rails. Place at least one 0.1 Β΅F ceramic capacitor and one 10 Β΅F bulk capacitor adjacent to each VCCINT and VCCIO pin pair to suppress switching transients during SRAM configuration. Estimated: typical 5 V core current is 30-50 mA in standby and 150-300 mA at full toggle, depending on utilization; verify with the actual design power estimator before committing to a regulator budget.
The 84-PLCC (J-Lead) package requires a socket or hand-soldered footprint with generous annular rings and J-lead toe clearances of at least 0.5 mm. Keep all 84 pins on a 0.05-inch (1.27 mm) pitch grid; place configuration EPROM (EPC1 / EPC1441) within 50 mm of the DCLK and DATA0 pins to avoid signal-integrity issues at configuration time. Provide a pull-up on nCONFIG (10 kΞ© to VCCIO) and a pull-up on CONF_DONE (10 kΞ© to VCCIO) to ensure deterministic boot.
Do not confuse the EPF8452ALC84-3 with the pin-compatible but lower-density EPF8282ALC84-3 - both share the 84-PLCC package, but the 8282 has only 208 LEs and may not fit a design that depends on the 8452's 336 LEs. Also verify configuration device compatibility: EPC1 / EPC1213 / EPC1064 / EPC1441 are supported, but newer EPCQ devices are NOT supported by FLEX 8000. Mixed-voltage rails (5 V core + 3.3 V I/O) must be sequenced with VCCIO never exceeding VCCINT by more than 3.6 V during ramp.
MultiVolt I/O allows mixed 5 V and 3.3 V signaling, but 5 V-tolerant inputs require the VCCIO rail to be at least 3.0 V before any 5 V source drives the pin. Drive strength should be set to 4 mA (default) for most general-purpose I/O; only enable 12 mA or 24 mA slew-rate settings for high-speed clock or bus outputs. Series-termination resistors of 33 Ξ© placed within 25 mm of the FPGA output pin are recommended for clock and bus signals longer than 50 mm.
Compliance Information
RoHS/REACH/lead-free status for the EPF8452ALC84-3 cannot be confirmed from the verified web data; the lot-specific certificate of compliance from Intel/Altera or Rochester Electronics should be requested before using this part in a RoHS-restricted assembly.
