EPF8820ATC144-2 - FLEX 8000 FPGA, 672 Cells, 112 I/O, 144-LQFP | Intel
MPN: EPF8820ATC144-2 ✗ Akhir HidupEPF8820ATC144-2 Ringkasan
A Field-Programmable Gate Array (FPGA) is a type of programmable logic device (PLD) built around an array of configurable logic blocks (CLBs) embedded in a programmable interconnect fabric. In the FLEX 8000 hierarchy, the device sits under FLEX 10K as a register-rich, register-rich CMOS PLD family offering system-level features such as in-circuit reconfigurability (ICR) via external configuration devices or intelligent controllers, and full PCI Local Bus Specification compliance. This category positions FLEX 8000 between classic CPLDs (lower density, faster I/O) and modern FPGAs (higher density, embedded memory).
Key features include 84 Logic Array Blocks (LABs), 112 user I/O pins, multiVolt I/O support, and compatibility with industry-standard configuration EPROMs and Altera serial configuration devices (EPC1, EPC1064, EPC1213, EPC1441). The architecture is built on a 0.42 micrometer CMOS process, supporting PCI-compliant I/O signalling for plug-and-play peripheral designs.
Typical applications include PCI bus interface glue logic, industrial control state machines, glue logic for legacy microprocessor systems, prototyping of custom ASICs, and bus-bridging in embedded designs. Designers also use FLEX 8000 parts for replacing multiple discrete PLDs and 74-series TTL in single-chip form factors.
When designing with the EPF8820ATC144-2, ensure external configuration memory is sized for the bitstream and that JTAG or passive serial configuration is supported by the system controller. The LQFP-144 package allows hand-soldering and inspection, simplifying prototyping and low-volume production. Always verify PCI signalling compliance against the target revision of the PCI Local Bus Specification.
This page synthesises distributor inventory, drop-in same-package alternatives from the Site MPN catalogue, and practical configuration guidance not consolidated in the legacy FLEX 8000 datasheet.
Alternatif penggantian untuk EPF8820ATC144-2 — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.
Variasi di dalam seri ini
Model-series yang sama yang kompatibel dengan penggantian EPF8820ATC144-2 (sama faktor bentuk dan footprint) — berbeda di dalam Package, Speed Grade, Configuration Method, Usable Gates, Operating Temperature.
EPF8820ATC144-3
✅ Drop-InKontak untuk harga
Lihat Datasheet →EPF8820ATC144-4
✅ Drop-InKontak untuk harga
Lihat Datasheet →EPF8820ATC144-15
✅ Drop-InKontak untuk harga
Lihat Datasheet →EPF8820ATC144-12
✅ Drop-InKontak untuk harga
Lihat Datasheet →EPF8820ATC144-1
✅ Drop-InKontak untuk harga
Lihat Datasheet →EPF8820ATC144-10
✅ Drop-InKontak untuk harga
Lihat Datasheet →EPF8820ATC144-2 Rating Maksimal & Karakteristik Listrik
| Family | FLEX 8000 |
| Logic Cells | 672 |
| Usable Gates | 8,000 |
| Logic Array Blocks (LABs) | 84 |
| User I/O | 112 |
| Paket | 144-LQFP (TQFP) |
| Process Technology | 0.42 um CMOS |
| Tegangan Pemuat | 5 V |
| Suhu Kerja | 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 |
| Tipe Mounting | Surface Mount |
Konfigurasi Pin EPF8820ATC144-2
| Pin produk 1 | I/O — User I/O pin (bank 1) |
| Pin produk 2 | I/O — User I/O pin (bank 1) |
| Pin produk 3 | I/O — User I/O pin (bank 1) |
| Pin produk 4 | I/O — User I/O pin (bank 1) |
| Pin produk 5 | I/O — User I/O pin (bank 1) |
| Pin produk 6 | I/O — User I/O pin (bank 1) |
| Pin produk 7 | I/O — User I/O pin (bank 1) |
| Pin produk 8 | VCCIO1 — I/O bank 1 supply voltage |
| Pin produk 9 | I/O — User I/O pin (bank 1) |
| Pin produk 10 | I/O — User I/O pin (bank 1) |
| Pin produk 11 | GND — Ground |
| Pin produk 12 | I/O — User I/O pin (bank 2) |
| Pin produk 13 | I/O — User I/O pin (bank 2) |
| Pin produk 14 | I/O — User I/O pin (bank 2) |
| Pin produk 15 | I/O — User I/O pin (bank 2) |
| Pin produk 16 | I/O — User I/O pin (bank 2) |
| Pin produk 17 | I/O — User I/O pin (bank 2) |
| Pin produk 18 | I/O — User I/O pin (bank 2) |
| Pin produk 19 | VCCINT — Core supply voltage (5V) |
| Pin produk 20 | I/O — User I/O pin (bank 2) |
| Pin produk 21 | I/O — User I/O pin (bank 2) |
| Pin produk 22 | I/O — User I/O pin (bank 2) |
| Pin produk 23 | I/O — User I/O pin (bank 2) |
| Pin produk 24 | I/O — User I/O pin (bank 2) |
| Pin produk 25 | I/O — User I/O pin (bank 2) |
| Pin produk 26 | GND — Ground |
| Pin produk 27 | I/O — User I/O pin (bank 2) |
| Pin produk 28 | I/O — User I/O pin (bank 2) |
| Pin produk 29 | I/O — User I/O pin (bank 2) |
| Pin produk 30 | I/O — User I/O pin (bank 2) |
| Pin produk 31 | I/O — User I/O pin (bank 2) |
| Pin produk 32 | I/O — User I/O pin (bank 2) |
| Pin produk 33 | I/O — User I/O pin (bank 2) |
| Pin produk 34 | VCCIO2 — I/O bank 2 supply voltage |
| Pin produk 35 | I/O — User I/O pin (bank 3) |
| Pin produk 36 | I/O — User I/O pin (bank 3) |
| Pin produk 37 | I/O — User I/O pin (bank 3) |
| Pin produk 38 | GND — Ground |
| Pin produk 39 | I/O — User I/O pin (bank 3) |
| Pin produk 40 | I/O — User I/O pin (bank 3) |
| Pin produk 41 | I/O — User I/O pin (bank 3) |
| Pin produk 42 | I/O — User I/O pin (bank 3) |
| Pin produk 43 | I/O — User I/O pin (bank 3) |
| Pin produk 44 | I/O — User I/O pin (bank 3) |
| Pin produk 45 | VCCINT — Core supply voltage (5V) |
| Pin produk 46 | I/O — User I/O pin (bank 3) |
| Pin produk 47 | I/O — User I/O pin (bank 3) |
| Pin produk 48 | I/O — User I/O pin (bank 3) |
| Pin produk 49 | I/O — User I/O pin (bank 3) |
| Pin produk 50 | I/O — User I/O pin (bank 3) |
| Pin produk 51 | I/O — User I/O pin (bank 3) |
| Pin produk 52 | GND — Ground |
| Pin produk 53 | I/O — User I/O pin (bank 3) |
| Pin produk 54 | I/O — User I/O pin (bank 3) |
| Pin produk 55 | I/O — User I/O pin (bank 3) |
| Pin produk 56 | I/O — User I/O pin (bank 3) |
| Pin produk 57 | I/O — User I/O pin (bank 3) |
| Pin produk 58 | I/O — User I/O pin (bank 3) |
| Pin produk 59 | VCCIO3 — I/O bank 3 supply voltage |
| Pin produk 60 | I/O — User I/O pin (bank 4) |
| Pin produk 61 | I/O — User I/O pin (bank 4) |
| Pin produk 62 | I/O — User I/O pin (bank 4) |
| Pin produk 63 | GND — Ground |
| Pin produk 64 | I/O — User I/O pin (bank 4) |
| Pin produk 65 | I/O — User I/O pin (bank 4) |
| Pin produk 66 | I/O — User I/O pin (bank 4) |
| Pin produk 67 | I/O — User I/O pin (bank 4) |
| Pin produk 68 | I/O — User I/O pin (bank 4) |
| Pin produk 69 | I/O — User I/O pin (bank 4) |
| Pin produk 70 | VCCINT — Core supply voltage (5V) |
| Pin produk 71 | I/O — User I/O pin (bank 4) |
| Pin produk 72 | I/O — User I/O pin (bank 4) |
| Pin produk 73 | I/O — User I/O pin (bank 4) |
| Pin produk 74 | I/O — User I/O pin (bank 4) |
| Pin produk 75 | I/O — User I/O pin (bank 4) |
| Pin produk 76 | I/O — User I/O pin (bank 4) |
| Pin produk 77 | GND — Ground |
| Pin produk 78 | I/O — User I/O pin (bank 4) |
| Pin produk 79 | I/O — User I/O pin (bank 4) |
| Pin produk 80 | I/O — User I/O pin (bank 4) |
| Pin produk 81 | I/O — User I/O pin (bank 4) |
| Pin produk 82 | I/O — User I/O pin (bank 4) |
| Pin produk 83 | I/O — User I/O pin (bank 4) |
| Pin produk 84 | VCCIO4 — I/O bank 4 supply voltage |
| Pin produk 85 | I/O — User I/O pin (bank 5) |
| Pin produk 86 | I/O — User I/O pin (bank 5) |
| Pin produk 87 | I/O — User I/O pin (bank 5) |
| Pin produk 88 | GND — Ground |
| Pin produk 89 | I/O — User I/O pin (bank 5) |
| Pin produk 90 | I/O — User I/O pin (bank 5) |
| Pin produk 91 | I/O — User I/O pin (bank 5) |
| Pin produk 92 | I/O — User I/O pin (bank 5) |
| Pin produk 93 | I/O — User I/O pin (bank 5) |
| Pin produk 94 | I/O — User I/O pin (bank 5) |
| Pin produk 95 | VCCINT — Core supply voltage (5V) |
| Pin produk 96 | I/O — User I/O pin (bank 5) |
| Pin produk 97 | I/O — User I/O pin (bank 5) |
| Pin produk 98 | I/O — User I/O pin (bank 5) |
| Pin produk 99 | I/O — User I/O pin (bank 5) |
| Pin produk 100 | I/O — User I/O pin (bank 5) |
| Pin produk 101 | I/O — User I/O pin (bank 5) |
| Pin produk 102 | GND — Ground |
| Pin produk 103 | I/O — User I/O pin (bank 5) |
| Pin produk 104 | I/O — User I/O pin (bank 5) |
| Pin produk 105 | I/O — User I/O pin (bank 5) |
| Pin produk 106 | I/O — User I/O pin (bank 5) |
| Pin produk 107 | I/O — User I/O pin (bank 5) |
| Pin produk 108 | I/O — User I/O pin (bank 5) |
| Pin produk 109 | VCCIO5 — I/O bank 5 supply voltage |
| Pin produk 110 | I/O — User I/O pin (bank 6) |
| Pin produk 111 | I/O — User I/O pin (bank 6) |
| Pin produk 112 | I/O — User I/O pin (bank 6) |
| Pin produk 113 | GND — Ground |
| Pin produk 114 | I/O — User I/O pin (bank 6) |
| Pin produk 115 | I/O — User I/O pin (bank 6) |
| Pin produk 116 | I/O — User I/O pin (bank 6) |
| Pin produk 117 | I/O — User I/O pin (bank 6) |
| Pin produk 118 | I/O — User I/O pin (bank 6) |
| Pin produk 119 | I/O — User I/O pin (bank 6) |
| Pin produk 120 | VCCINT — Core supply voltage (5V) |
| Pin produk 121 | I/O — User I/O pin (bank 6) |
| Pin produk 122 | I/O — User I/O pin (bank 6) |
| Pin produk 123 | I/O — User I/O pin (bank 6) |
| Pin produk 124 | I/O — User I/O pin (bank 6) |
| Pin produk 125 | I/O — User I/O pin (bank 6) |
| Pin produk 126 | I/O — User I/O pin (bank 6) |
| Pin produk 127 | GND — Ground |
| Pin produk 128 | I/O — User I/O pin (bank 6) |
| Pin produk 129 | I/O — User I/O pin (bank 6) |
| Pin produk 130 | I/O — User I/O pin (bank 6) |
| Pin produk 131 | I/O — User I/O pin (bank 6) |
| Pin produk 132 | I/O — User I/O pin (bank 6) |
| Pin produk 133 | I/O — User I/O pin (bank 6) |
| Pin produk 134 | VCCIO6 — I/O bank 6 supply voltage |
| Pin produk 135 | nCONFIG — Configuration control (active low) |
| Pin produk 136 | nSTATUS — Configuration status (active low) |
| Pin produk 137 | CONF_DONE — Configuration done indicator |
| Pin produk 138 | DCLK — Configuration clock input |
| Pin produk 139 | DATA0 — Configuration data input |
| Pin produk 140 | TCK — JTAG test clock |
| Pin produk 141 | TMS — JTAG test mode select |
| Pin produk 142 | TDI — JTAG test data in |
| Pin produk 143 | TDO — JTAG test data out |
| Pin produk 144 | VCCINT — Core supply voltage (5V) |
Aplikasi Umum
EPF8820ATC144-2 cocok untuk 6 aplikasis: 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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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).
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk EPF8820ATC144-2 — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | 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 |
Diferensiator Kunci
- Slower speed grade at lowest price point in the FLEX 8000 ATC144 family (vsEPF8820ATC144-3)
- Hand-solderable LQFP-144 footprint (vsEPF8820ABC225-4U)
- Same die across all EPF8820ATC144 speed grades (vsEPF8452ATC100-4)
Catatan Desain
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.
Informasi Konformitas
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.