EPF8820ATC144-2 - FLEX 8000 FPGA, 672 Cells, 112 I/O, 144-LQFP | Intel
MPN: EPF8820ATC144-2 β End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $38.5 | $38.50 |
| 10 | $32.75 | $327.50 |
| 100 | $27.4 | $2,740.00 |
| 500 | $23.1 | $11,550.00 |
| 1,000 | $19.85 | $19,850.00 |
Drop-in alternatives for EPF8820ATC144-2 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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View Datasheet βEPF8820ATC144-2 Maximum Ratings & Electrical Characteristics
| Family | FLEX 8000 |
| Logic Cells | 672 |
| Usable Gates | 8,000 |
| Logic Array Blocks (LABs) | 84 |
| User I/O | 112 |
| Package | 144-LQFP (TQFP) |
| Process Technology | 0.42 um CMOS |
| Supply Voltage | 5 V |
| Operating Temperature | 0 C to 70 C (Commercial) |
| Configuration Method | Passive serial / JTAG / EPC1/EPC1064/EPC1213/EPC1441 |
| In-Circuit Reconfigurable | Yes (ICR) |
| PCI Compliance | PCI Local Bus Specification compliant |
| Mounting Type | Surface Mount |
EPF8820ATC144-2 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 | I/O β User I/O pin (bank 1) |
| Pin 7 | I/O β User I/O pin (bank 1) |
| Pin 8 | VCCIO1 β I/O bank 1 supply voltage |
| Pin 9 | I/O β User I/O pin (bank 1) |
| Pin 10 | I/O β User I/O pin (bank 1) |
| Pin 11 | GND β Ground |
| Pin 12 | I/O β User I/O pin (bank 2) |
| Pin 13 | I/O β User I/O pin (bank 2) |
| Pin 14 | I/O β User I/O pin (bank 2) |
| Pin 15 | I/O β User I/O pin (bank 2) |
| Pin 16 | I/O β User I/O pin (bank 2) |
| Pin 17 | I/O β User I/O pin (bank 2) |
| Pin 18 | I/O β User I/O pin (bank 2) |
| Pin 19 | VCCINT β Core supply voltage (5V) |
| Pin 20 | I/O β User I/O pin (bank 2) |
| Pin 21 | I/O β User I/O pin (bank 2) |
| 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 | GND β Ground |
| Pin 27 | I/O β User I/O pin (bank 2) |
| 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 | I/O β User I/O pin (bank 2) |
| Pin 32 | I/O β User I/O pin (bank 2) |
| Pin 33 | I/O β User I/O pin (bank 2) |
| Pin 34 | VCCIO2 β I/O bank 2 supply voltage |
| Pin 35 | I/O β User I/O pin (bank 3) |
| Pin 36 | I/O β User I/O pin (bank 3) |
| Pin 37 | I/O β User I/O pin (bank 3) |
| Pin 38 | GND β Ground |
| Pin 39 | I/O β User I/O pin (bank 3) |
| Pin 40 | I/O β User I/O pin (bank 3) |
| Pin 41 | I/O β User I/O pin (bank 3) |
| 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 | VCCINT β Core supply voltage (5V) |
| Pin 46 | I/O β User I/O pin (bank 3) |
| Pin 47 | I/O β User I/O pin (bank 3) |
| 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 | I/O β User I/O pin (bank 3) |
| Pin 52 | GND β Ground |
| 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 | VCCIO3 β I/O bank 3 supply voltage |
| Pin 60 | I/O β User I/O pin (bank 4) |
| Pin 61 | I/O β User I/O pin (bank 4) |
| Pin 62 | I/O β User I/O pin (bank 4) |
| Pin 63 | GND β Ground |
| 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 | I/O β User I/O pin (bank 4) |
| Pin 68 | I/O β User I/O pin (bank 4) |
| Pin 69 | I/O β User I/O pin (bank 4) |
| Pin 70 | VCCINT β Core supply voltage (5V) |
| Pin 71 | I/O β User I/O pin (bank 4) |
| Pin 72 | I/O β User I/O pin (bank 4) |
| Pin 73 | I/O β User I/O pin (bank 4) |
| Pin 74 | I/O β User I/O pin (bank 4) |
| Pin 75 | I/O β User I/O pin (bank 4) |
| Pin 76 | I/O β User I/O pin (bank 4) |
| Pin 77 | GND β Ground |
| Pin 78 | I/O β User I/O pin (bank 4) |
| Pin 79 | I/O β User I/O pin (bank 4) |
| Pin 80 | I/O β User I/O pin (bank 4) |
| Pin 81 | I/O β User I/O pin (bank 4) |
| Pin 82 | I/O β User I/O pin (bank 4) |
| Pin 83 | I/O β User I/O pin (bank 4) |
| Pin 84 | VCCIO4 β I/O bank 4 supply voltage |
| Pin 85 | I/O β User I/O pin (bank 5) |
| Pin 86 | I/O β User I/O pin (bank 5) |
| Pin 87 | I/O β User I/O pin (bank 5) |
| Pin 88 | GND β Ground |
| Pin 89 | I/O β User I/O pin (bank 5) |
| Pin 90 | I/O β User I/O pin (bank 5) |
| Pin 91 | I/O β User I/O pin (bank 5) |
| Pin 92 | I/O β User I/O pin (bank 5) |
| Pin 93 | I/O β User I/O pin (bank 5) |
| Pin 94 | I/O β User I/O pin (bank 5) |
| Pin 95 | VCCINT β Core supply voltage (5V) |
| Pin 96 | I/O β User I/O pin (bank 5) |
| Pin 97 | I/O β User I/O pin (bank 5) |
| Pin 98 | I/O β User I/O pin (bank 5) |
| Pin 99 | I/O β User I/O pin (bank 5) |
| Pin 100 | I/O β User I/O pin (bank 5) |
| Pin 101 | I/O β User I/O pin (bank 5) |
| Pin 102 | GND β Ground |
| Pin 103 | I/O β User I/O pin (bank 5) |
| Pin 104 | I/O β User I/O pin (bank 5) |
| Pin 105 | I/O β User I/O pin (bank 5) |
| Pin 106 | I/O β User I/O pin (bank 5) |
| Pin 107 | I/O β User I/O pin (bank 5) |
| Pin 108 | I/O β User I/O pin (bank 5) |
| Pin 109 | VCCIO5 β I/O bank 5 supply voltage |
| Pin 110 | I/O β User I/O pin (bank 6) |
| Pin 111 | I/O β User I/O pin (bank 6) |
| Pin 112 | I/O β User I/O pin (bank 6) |
| Pin 113 | GND β Ground |
| Pin 114 | I/O β User I/O pin (bank 6) |
| Pin 115 | I/O β User I/O pin (bank 6) |
| Pin 116 | I/O β User I/O pin (bank 6) |
| Pin 117 | I/O β User I/O pin (bank 6) |
| Pin 118 | I/O β User I/O pin (bank 6) |
| Pin 119 | I/O β User I/O pin (bank 6) |
| Pin 120 | VCCINT β Core supply voltage (5V) |
| Pin 121 | I/O β User I/O pin (bank 6) |
| Pin 122 | I/O β User I/O pin (bank 6) |
| Pin 123 | I/O β User I/O pin (bank 6) |
| Pin 124 | I/O β User I/O pin (bank 6) |
| Pin 125 | I/O β User I/O pin (bank 6) |
| Pin 126 | I/O β User I/O pin (bank 6) |
| Pin 127 | GND β Ground |
| Pin 128 | I/O β User I/O pin (bank 6) |
| Pin 129 | I/O β User I/O pin (bank 6) |
| Pin 130 | I/O β User I/O pin (bank 6) |
| Pin 131 | I/O β User I/O pin (bank 6) |
| Pin 132 | I/O β User I/O pin (bank 6) |
| Pin 133 | I/O β User I/O pin (bank 6) |
| Pin 134 | VCCIO6 β I/O bank 6 supply voltage |
| Pin 135 | nCONFIG β Configuration control (active low) |
| Pin 136 | nSTATUS β Configuration status (active low) |
| Pin 137 | CONF_DONE β Configuration done indicator |
| Pin 138 | DCLK β Configuration clock input |
| Pin 139 | DATA0 β Configuration data input |
| Pin 140 | TCK β JTAG test clock |
| Pin 141 | TMS β JTAG test mode select |
| Pin 142 | TDI β JTAG test data in |
| Pin 143 | TDO β JTAG test data out |
| Pin 144 | VCCINT β Core supply voltage (5V) |
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
EPF8820ATC144-2 is suitable for 6 applications: PCI Bus Interface Glue Logic, Legacy Microprocessor Glue Logic, ASIC Prototyping and Design Verification, Industrial Control and State Machine Integration, Bus Bridging and Protocol Conversion, Replacement for Multiple 74-series TTL Devices.
PCI Bus Interface Glue Logic
The EPF8820ATC144-2 fits PCI Local Bus Specification-compliant glue logic because it is officially listed as fully compliant with the PCI SIG PCI Local Bus Specification in the FLEX 8000 family datasheet. With 112 user I/O pins it can bridge a 32-bit PCI bus plus control signals, address decoding, and arbitration state machines. The -2 commercial speed grade suits standard 33 MHz PCI applications where timing closure over the 7.5 ns bus cycle is achievable. Designers typically instantiate the part between a host CPU and a peripheral ASIC to handle bus arbitration, interrupt acknowledge, and configuration space access. Compared with discrete 74-series TTL implementations, the FLEX 8000 integrates tens of SSI/MSI packages into one device, simplifying board layout and improving signal integrity on the PCI bus.
Recommended
Legacy Microprocessor Glue Logic
The EPF8820ATC144-2 serves as integrated glue logic between legacy microprocessors, memory, and peripheral devices in industrial and embedded systems. With 672 logic cells and 112 user I/O it can replace dozens of discrete 74LS/74F TTL packages implementing address decoding, wait-state generation, bus multiplexing, and interrupt prioritisation. The 5V supply and 0C-70C commercial temperature range match classic x86, 68k, and MIPS host environments. Designers migrating from 7400-series logic benefit from reduced board area, lower power, and faster design iteration through Altera MAX+PLUS II schematic capture. The LQFP-144 package supports hand-rework and inspection during prototyping or low-volume production runs.
Recommended
ASIC Prototyping and Design Verification
The EPF8820ATC144-2 supports ASIC prototyping by allowing designers to validate custom logic designs before committing to mask production. With 8,000 usable gates the part accommodates mid-complexity ASICs such as peripheral controllers, custom state machines, and protocol converters. In-circuit reconfigurability via JTAG or passive serial allows rapid design iterations - engineers can download revised bitstreams in seconds. The Altera MAX+PLUS II development suite provides VHDL/Verilog synthesis and timing simulation against the same silicon used in production. For volumes below 50,000 units, FLEX 8000 designs often remain in FPGA form to amortise NRE costs across multiple product revisions.
Recommended
Industrial Control and State Machine Integration
The EPF8820ATC144-2 integrates multi-state control logic, sensor interfacing, and actuator driving in industrial automation systems. With 84 LABs the device can host multiple independent state machines coordinating conveyor logic, motor sequencing, and safety interlocks. The 112 I/O pins handle parallel sensor arrays, opto-isolated inputs, and relay driver outputs while the 0C-70C commercial temperature range fits factory-floor enclosures. Designers often pair the FPGA with isolation buffers and watchdog supervisors to meet IEC 61508 functional safety requirements. The FLEX 8000 architecture's deterministic timing simplifies Worst-Case Execution Time (WCET) analysis for safety-critical state machines.
Recommended
Bus Bridging and Protocol Conversion
The EPF8820ATC144-2 acts as a bus bridge between legacy and modern peripherals in mixed-vintage embedded systems. With 112 I/O and 672 cells it can implement custom protocols such as ISA-to-PCI bridges, VME-to-PCI adapters, and proprietary backplane converters. The 5V tolerant I/O pins interface directly with classic TTL logic levels while remaining compatible with 3.3V peripherals through multiVolt I/O support. Designers use the FPGA to extend the life of installed equipment without redesigning the entire CPU subsystem. PCI Local Bus compliance ensures interoperability with standard plug-and-play cards in industrial PCs.
Recommended
Replacement for Multiple 74-series TTL Devices
The EPF8820ATC144-2 replaces dozens of 74LS, 74F, 74HC, and 74ACT TTL packages in dense logic boards by consolidating address decoding, multiplexing, latching, and bus arbitration into a single device. With 8,000 usable gates the FPGA can absorb the equivalent of 30-50 SSI packages, dramatically reducing board area, power consumption, and signal skew between logic blocks. The LQFP-144 footprint remains manageable for hand-soldering prototypes and field repairs. Designers migrating TTL-heavy designs to FLEX 8000 typically report a 5-10x reduction in logic IC count and a corresponding improvement in mean time between failure (MTBF).
Recommended
Recommended Products Summary
Engineering reference data for EPF8820ATC144-2 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EPF8820ATC144-3 | EPF8820ATC144-4 | EPF8820ATC144-15 | EPF8820ATC144-12 | EPF8820ATC144-1 | EPF8820ATC144-10 |
|---|---|---|---|---|---|---|---|
| Package | 144-LQFP (TQFP) | 144-LQFP (TQFP) - same | 144-LQFP (TQFP) - same | 144-LQFP (TQFP) - same | 144-LQFP (TQFP) - same | 144-LQFP (TQFP) - same | 144-LQFP (TQFP) - same |
| Brand | Intel (Altera) | Intel (Altera) | Intel (Altera) | Intel (Altera) | Intel (Altera) | Intel (Altera) | Intel (Altera) |
| Logic Cells | 672 | 672 | 672 | 672 | 672 | 672 | 672 |
| Usable Gates | 8,000 | 8,000 | 8,000 | 8,000 | 8,000 | 8,000 | 8,000 |
| User I/O | 112 | 112 | 112 | 112 | 112 | 112 | 112 |
| Speed Grade | -2 (slower) | -3 (~25-30% faster) | -4 (highest) | -15 (faster) | -12 (faster) | -1 (slowest) | -10 (faster) |
| Supply Voltage | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V |
| Operating Temperature | 0 C to 70 C (Commercial) | 0 C to 70 C | 0 C to 70 C | 0 C to 70 C | 0 C to 70 C | 0 C to 70 C | 0 C to 70 C |
| PCI Compliance | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Key Differentiators
- Slower speed grade at lowest price point in the FLEX 8000 ATC144 family (vs EPF8820ATC144-3)
- Hand-solderable LQFP-144 footprint (vs EPF8820ABC225-4U)
- Same die across all EPF8820ATC144 speed grades (vs EPF8452ATC100-4)
Design Notes
The FLEX 8000 family requires a stable 5V VCCINT supply with multiple decoupling capacitors. Place 0.1uF ceramic decoupling caps within 5 mm of every VCCINT and VCCIO pin. According to Altera's FLEX 8000 design guidelines, bulk tantalum or polymer capacitors of 22uF-47uF per supply rail are recommended. Power-on ramp should be monotonic; a slow or noisy ramp may trigger configuration errors. The MSL rating was not provided in the verified web data; consult the manufacturer for floor-life information before opening moisture-sensitive bags.
Route all user I/O signals on inner PCB layers with a continuous ground plane beneath the LQFP-144 footprint to control impedance and reduce crosstalk. Match trace lengths within 10 mm for synchronously clocked buses (PCI, ISA) to avoid timing skew. The LQFP-144 has 0.5 mm pitch leads - design solder paste stencils with 0.15-0.20 mm apertures and reflow profiles matching JEDEC J-STD-020. Dedicated configuration pins (nCONFIG, nSTATUS, CONF_DONE, DCLK, DATA0) should be kept short and isolated from switching I/O to prevent noise-induced reconfiguration.
Do not connect VCCIO banks to voltages exceeding 5V - the FLEX 8000 I/O drivers are not 5V-tolerant beyond the rated supply. The -2 speed grade is the slowest commercial variant; if PCI 33 MHz timing closure fails, consider upgrading to -3 or -4 in the same LQFP-144 footprint rather than redesigning the PCB. Verify configuration bitstream size against the selected EPC1/EPC1064/EPC1213/EPC1441 capacity - the EPF8820ATC144-2 requires approximately 1 Mbit of configuration data. JTAG chain ordering should place TDI -> TAP1 -> TDI -> TAP2 -> TDO for multi-device chains.
Compliance Information
RoHS and REACH compliance status not stated in the verified web data; this is an obsolete Altera legacy product. Consult Intel FPGA's legacy product archive for environmental compliance documentation. Not AEC-Q100 qualified.
