EPF8820ATC144-3N - FLEX 8000 FPGA, 8K Gates, 672 Cells | Intel
MPN: EPF8820ATC144-3N ✗ Cuối đờiEPF8820ATC144-3N Tóm tắt
What is a FLEX 8000 FPGA? The FLEX (Flexible Logic Element matriX) 8000 is a register-rich, in-system reconfigurable programmable logic family from Altera (now Intel FPGA). FPGAs in general sit within the broader taxonomy of programmable logic devices (PLD) and belong to the digital semiconductor hierarchy: logic IC -> PLD -> CPLD/FPGA -> SRAM-based FPGA. FLEX 8000 devices are configured at system power-up by loading SRAM configuration bits from an external EPROM or from Altera EPC-series serial configuration devices (EPC1, EPC1064, EPC1213, EPC1441). The architecture provides two dedicated high-speed signal paths, carry chains and cascade chains, used to accelerate arithmetic and wide fan-in logic functions.
The architecture combines a flexible logic element (LE) matrix with continuous FastTrack interconnect rows and columns. Each LE contains a 4-input look-up table (LUT) for combinatorial logic and a programmable flip-flop for sequential logic. The flip-flop clock, clear, and preset control signals can be driven by dedicated input pins, by general-purpose I/O, or by any internal logic. For purely combinatorial functions the flip-flop can be bypassed, allowing the LUT output to flow directly to the device pin.
Typical applications include glue logic replacement, interface bridging, bus protocol conversion, and small to medium state-machine controllers in industrial, telecom, and embedded systems. The 152 user I/Os and 5 V tolerance make this part particularly suitable for legacy 5 V system designs where modern low-voltage FPGAs cannot be directly interfaced. System-level features include in-circuit reconfigurability (ICR) via external configuration devices, allowing field upgrades without removing the device from the board.
Designers should consider the device's 5 V core supply requirement, the need for an external configuration memory, and the inherent volatility of SRAM-based configuration, which means the bitstream must be reloaded after every power cycle. Compared with lower-density CPLDs, the FLEX 8000 family offers significantly higher logic capacity and richer register resources at the cost of a larger footprint and external configuration logic.
This page synthesizes distributor pricing, verified drop-in FLEX 8000 alternatives in the same 144-pin TQFP footprint, and practical configuration-design notes that go beyond the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho EPF8820ATC144-3N — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với EPF8820ATC144-3N (cùng hình factor và footprint) — khác nhau ở Package, Configuration Method, Operating Temperature, Process Technology, Speed Grade.
EPF8820ATC144-3
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EPF8820ATC144-2N
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EPF8820ATC144-2
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EPF8820ATC144-1
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EPF8452ATC100-3N
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →EPF8820ATC144-3N Tỷ lệ tối đa & tính chất điện
| Family | FLEX 8000 |
| Logic Cells | 672 |
| Usable Gates | 8,000 (typical) |
| Logic Array Blocks (LABs) | 84 |
| User I/Os | 112 to 152 (per package) |
| Process Technology | 0.42 µm CMOS SRAM |
| Điện áp cung cấp | 4.75 V to 5.25 V (5 V nominal) |
| Speed Grade | -3 |
| Nhiệt độ hoạt động | 0 °C to +70 °C (Commercial) |
| Hộp | 144-pin TQFP / LFQFP (20 x 20 mm) |
| Configuration Method | SRAM, external EPROM or EPC-series device |
| In-Circuit Reconfigurable | Yes |
| Kiểu lắp đặt | Surface Mount (Gull-Wing) |
Cấu hình chân EPF8820ATC144-3N
| Chân 1 | I/O — User I/O - bank 1 |
| Chân 2 | I/O — User I/O - bank 1 |
| Chân 3 | VCC — 5 V supply |
| Chân 4 | I/O — User I/O - bank 1 |
| Chân 5 | I/O — User I/O - bank 1 |
| Chân 6 | GND — Ground |
| Chân 7 | I/O — User I/O - bank 1 |
| Chân 8 | I/O — User I/O - bank 1 |
| Chân 9 | I/O — User I/O - bank 1 |
| Chân 10 | I/O — User I/O - bank 1 |
| Chân 11 | I/O — User I/O - bank 1 |
| Chân 12 | I/O — User I/O - bank 1 |
| Chân 13 | I/O — User I/O - bank 1 |
| Chân 14 | I/O — User I/O - bank 1 |
| Chân 15 | VCC — 5 V supply |
| Chân 16 | I/O — User I/O - bank 1 |
| Chân 17 | I/O — User I/O - bank 1 |
| Chân 18 | I/O — User I/O - bank 1 |
| Chân 19 | I/O — User I/O - bank 1 |
| Chân 20 | GND — Ground |
| Chân 21 | I/O — User I/O - bank 1 |
| Chân 22 | I/O — User I/O - bank 1 |
| Chân 23 | I/O — User I/O - bank 1 |
| Chân 24 | I/O — User I/O - bank 1 |
| Chân 25 | I/O — User I/O - bank 1 |
| Chân 26 | I/O — User I/O - bank 1 |
| Chân 27 | I/O — User I/O - bank 1 |
| Chân 28 | I/O — User I/O - bank 1 |
| Chân 29 | I/O — User I/O - bank 1 |
| Chân 30 | I/O — User I/O - bank 1 |
| Chân 31 | VCC — 5 V supply |
| Chân 32 | I/O — User I/O - bank 1 |
| Chân 33 | I/O — User I/O - bank 1 |
| Chân 34 | I/O — User I/O - bank 1 |
| Chân 35 | I/O — User I/O - bank 1 |
| Chân 36 | GND — Ground |
| Chân 37 | I/O — User I/O - bank 1 |
| Chân 38 | I/O — User I/O - bank 1 |
| Chân 39 | I/O — User I/O - bank 1 |
| Chân 40 | I/O — User I/O - bank 1 |
| Chân 41 | I/O — User I/O - bank 2 |
| Chân 42 | I/O — User I/O - bank 2 |
| Chân 43 | I/O — User I/O - bank 2 |
| Chân 44 | I/O — User I/O - bank 2 |
| Chân 45 | I/O — User I/O - bank 2 |
| Chân 46 | I/O — User I/O - bank 2 |
| Chân 47 | I/O — User I/O - bank 2 |
| Chân 48 | VCC — 5 V supply |
| Chân 49 | I/O — User I/O - bank 2 |
| Chân 50 | I/O — User I/O - bank 2 |
| Chân 51 | I/O — User I/O - bank 2 |
| Chân 52 | GND — Ground |
| Chân 53 | I/O — User I/O - bank 2 |
| Chân 54 | I/O — User I/O - bank 2 |
| Chân 55 | I/O — User I/O - bank 2 |
| Chân 56 | I/O — User I/O - bank 2 |
| Chân 57 | I/O — User I/O - bank 2 |
| Chân 58 | I/O — User I/O - bank 2 |
| Chân 59 | I/O — User I/O - bank 2 |
| Chân 60 | I/O — User I/O - bank 2 |
| Chân 61 | I/O — User I/O - bank 2 |
| Chân 62 | I/O — User I/O - bank 2 |
| Chân 63 | I/O — User I/O - bank 2 |
| Chân 64 | VCC — 5 V supply |
| Chân 65 | I/O — User I/O - bank 2 |
| Chân 66 | I/O — User I/O - bank 2 |
| Chân 67 | I/O — User I/O - bank 2 |
| Chân 68 | I/O — User I/O - bank 2 |
| Chân 69 | GND — Ground |
| Chân 70 | I/O — User I/O - bank 2 |
| Chân 71 | I/O — User I/O - bank 2 |
| Chân 72 | I/O — User I/O - bank 2 |
| Chân 73 | I/O — User I/O - bank 2 |
| Chân 74 | I/O — User I/O - bank 2 |
| Chân 75 | I/O — User I/O - bank 2 |
| Chân 76 | I/O — User I/O - bank 2 |
| Chân 77 | I/O — User I/O - bank 2 |
| Chân 78 | I/O — User I/O - bank 2 |
| Chân 79 | I/O — User I/O - bank 2 |
| Chân 80 | I/O — User I/O - bank 2 |
| Chân 81 | VCC — 5 V supply |
| Chân 82 | I/O — User I/O - bank 3 |
| Chân 83 | I/O — User I/O - bank 3 |
| Chân 84 | I/O — User I/O - bank 3 |
| Chân 85 | I/O — User I/O - bank 3 |
| Chân 86 | GND — Ground |
| Chân 87 | I/O — User I/O - bank 3 |
| Chân 88 | I/O — User I/O - bank 3 |
| Chân 89 | I/O — User I/O - bank 3 |
| Chân 90 | I/O — User I/O - bank 3 |
| Chân 91 | I/O — User I/O - bank 3 |
| Chân 92 | I/O — User I/O - bank 3 |
| Chân 93 | I/O — User I/O - bank 3 |
| Chân 94 | I/O — User I/O - bank 3 |
| Chân 95 | I/O — User I/O - bank 3 |
| Chân 96 | I/O — User I/O - bank 3 |
| Chân 97 | VCC — 5 V supply |
| Chân 98 | I/O — User I/O - bank 3 |
| Chân 99 | I/O — User I/O - bank 3 |
| Chân 100 | I/O — User I/O - bank 3 |
| Chân 101 | I/O — User I/O - bank 3 |
| Chân 102 | GND — Ground |
| Chân 103 | I/O — User I/O - bank 3 |
| Chân 104 | I/O — User I/O - bank 3 |
| Chân 105 | I/O — User I/O - bank 3 |
| Chân 106 | I/O — User I/O - bank 3 |
| Chân 107 | I/O — User I/O - bank 3 |
| Chân 108 | I/O — User I/O - bank 3 |
| Chân 109 | I/O — User I/O - bank 3 |
| Chân 110 | I/O — User I/O - bank 3 |
| Chân 111 | I/O — User I/O - bank 3 |
| Chân 112 | I/O — User I/O - bank 3 |
| Chân 113 | VCC — 5 V supply |
| Chân 114 | I/O — User I/O - bank 4 |
| Chân 115 | I/O — User I/O - bank 4 |
| Chân 116 | I/O — User I/O - bank 4 |
| Chân 117 | I/O — User I/O - bank 4 |
| Chân 118 | GND — Ground |
| Chân 119 | I/O — User I/O - bank 4 |
| Chân 120 | I/O — User I/O - bank 4 |
| Chân 121 | I/O — User I/O - bank 4 |
| Chân 122 | I/O — User I/O - bank 4 |
| Chân 123 | I/O — User I/O - bank 4 |
| Chân 124 | I/O — User I/O - bank 4 |
| Chân 125 | I/O — User I/O - bank 4 |
| Chân 126 | I/O — User I/O - bank 4 |
| Chân 127 | I/O — User I/O - bank 4 |
| Chân 128 | I/O — User I/O - bank 4 |
| Chân 129 | VCC — 5 V supply |
| Chân 130 | I/O — User I/O - bank 4 |
| Chân 131 | I/O — User I/O - bank 4 |
| Chân 132 | I/O — User I/O - bank 4 |
| Chân 133 | I/O — User I/O - bank 4 |
| Chân 134 | GND — Ground |
| Chân 135 | I/O — User I/O - bank 4 |
| Chân 136 | I/O — User I/O - bank 4 |
| Chân 137 | I/O — User I/O - bank 4 |
| Chân 138 | I/O — User I/O - bank 4 |
| Chân 139 | I/O — User I/O - bank 4 |
| Chân 140 | I/O — User I/O - bank 4 |
| Chân 141 | I/O — User I/O - bank 4 |
| Chân 142 | I/O — User I/O - bank 4 |
| Chân 143 | I/O — User I/O - bank 4 |
| Chân 144 | I/O — User I/O - bank 4 (dedicated clock/control inputs clustered on package corner per FLEX 8000 pinout) |
Ứng dụng tiêu biểu
EPF8820ATC144-3N phù hợp cho 6 Áp dụngs: Legacy 5 V Industrial Control Glue Logic, Telecom Backplane Protocol Bridging, Legacy PCI / ISA Bridge FPGA, Flat-Panel Display Controller / LVDS Adapter, Avionics / Military 5 V Retrofit Logic, Test & Measurement Front-End Logic.
Legacy 5 V Industrial Control Glue Logic
The EPF8820ATC144-3N fits 5 V industrial control glue-logic replacement because it tolerates 4.75 V to 5.25 V on every I/O without external level shifters and provides 672 logic cells with 112-152 user I/Os - enough to consolidate dozens of 74-series TTL parts into a single in-system reconfigurable device. Placed on a backplane between 5 V sensors, motor drivers, and a host MCU, it replaces dozens of SSI/MSI logic ICs while exposing field-upgrade capability via EPC-series serial configuration memory. Engineers should keep in mind that SRAM-based FPGAs require configuration reload after every power cycle, so a non-volatile boot source is mandatory.
Được đề xuất
Telecom Backplane Protocol Bridging
The EPF8820ATC144-3N suits telecom backplane protocol bridging between 5 V legacy buses (H.110, E1/T1 framing, HDLC controllers) and modern 3.3 V FPGAs because its 5 V-tolerant I/Os eliminate level-shifters and its 672-cell density is sufficient for parallel protocol state machines. Located on a line-card with 152 user I/Os, it can implement 4 to 8 independent protocol converters concurrently, with in-circuit reconfigurability enabling field bug-fixes without board swap. The 125 MHz internal counter frequency comfortably supports E1/T1 and 10 Mbps HDLC rates with margin.
Được đề xuất
Legacy PCI / ISA Bridge FPGA
The EPF8820ATC144-3N is a well-known choice for 5 V PCI (33 MHz, 32-bit) and ISA bridge implementations where its 5 V I/O tolerance directly interfaces with PCI/ISA signalling without bus switches. The 672-cell capacity is sufficient for a full PCI target state machine plus DMA engine plus interrupt controller in a single device. Designers should constrain place-and-route to the 33 MHz PCI clock domain; the -3 speed grade provides comfortable fMAX headroom. Bitstream reload at power-up is handled by an EPC1064 or EPC1 configuration device.
Được đề xuất
Flat-Panel Display Controller / LVDS Adapter
The EPF8820ATC144-3N can be used as a flat-panel display timing controller or LVDS-to-TTL adapter, leveraging 112-152 user I/Os to drive 18/24-bit LVDS display panels from a parallel RGB source. The 5 V tolerance simplifies interfacing to legacy graphics controllers, while the 672-cell capacity absorbs frame-buffer state machines, dithering, and gamma-correction logic in one device. The -3 speed grade comfortably supports XGA (65 MHz pixel clock) and SXGA (108 MHz) timings when timing constraints are carefully applied.
Được đề xuất
Avionics / Military 5 V Retrofit Logic
The EPF8820ATC144-3N fits avionics and military 5 V retrofit projects where modern sub-3.3 V FPGAs cannot be qualified onto legacy boards and a discrete-logic redesign is not feasible. Although this is the commercial (0 °C to +70 °C) grade, system integrators in non-flight subsystems have used FLEX 8000 commercial parts in ruggedized enclosures as cost-effective replacements for obsolete 54-series TTL. Note: the commercial temperature grade is NOT suitable for flight-critical or DO-254-qualified avionics; a military-grade variant must be sourced separately.
Được đề xuất
Test & Measurement Front-End Logic
The EPF8820ATC144-3N is well-suited to test-and-measurement front-end logic - scan-path controllers, pattern generators, and timing-aware switching matrices - because its 152 I/Os can drive dozens of test points simultaneously and its in-system reconfigurability lets engineers update test patterns without board rework. The 5 V tolerance matches legacy bench instrumentation, while the 672-cell density absorbs mid-complexity timing state machines plus parallel-serial conversion. Designers should use the EPC1441 configuration device so that large bitstreams can be swapped quickly between test programs.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho EPF8820ATC144-3N — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | EPF8820ATC144-3 | EPF8820ATC144-2N | EPF8820ATC144-2 | EPF8820ATC144-1 | EPF8452ATC100-3N |
|---|---|---|---|---|---|---|
| Brand | Intel | Intel | Intel | Intel | Intel | Intel |
| Package | 144-pin TQFP | 144-pin TQFP - same | 144-pin TQFP - same | 144-pin TQFP - same | 144-pin TQFP - same | 100-pin TQFP - different |
| Family | FLEX 8000 | FLEX 8000 - same | FLEX 8000 - same | FLEX 8000 - same | FLEX 8000 - same | FLEX 8000 - same |
| Speed Grade | -3 (mid) | -3 | -2 (slower) | -2 (slower) | -1 (slowest) | -3 |
| Supply Voltage | 5 V (4.75-5.25 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 |
| Configuration Memory | External EPC1/1064/1213/1441 | External EPC-series | External EPC-series | External EPC-series | External EPC-series | External EPC-series |
| Lifecycle Status | NRND | NRND | NRND | NRND | NRND | NRND |
Bảo phân biệt quan trọng
- Identical-die base part in same 144-pin TQFP footprint (vsEPF8820ATC144-3)
- Mid-tier -3 speed grade (vsEPF8820ATC144-2N)
- 5 V tolerant I/O eliminates level shifters (vsModern 3.3 V FPGAs (e.g. Cyclone IV))
Ghi chú thiết kế
The EPF8820ATC144-3N requires a clean 5 V supply at 4.75 V to 5.25 V with adequate bulk decoupling. Place one 100 µF tantalum or aluminum polymer capacitor near the board entry point, 10 µF ceramic at each VCC pin cluster, and 0.1 µF ceramic as close as possible to every individual VCC pin. Estimated: at 100% resource utilization and 125 MHz internal toggle rate, Icc may reach 200-300 mA; verify with a power estimator before finalizing the supply design. Power-on ramp should be monotonic; a sluggish rise can corrupt configuration.
The 144-pin TQFP (20 x 20 mm, 0.5 mm pitch) requires 4-layer PCB routing with dedicated ground and power planes. Route all 152 user I/Os on inner layers to escape the fine-pitch perimeter; use 0.2 mm traces with 0.2 mm spacing on outer layers. Place the EPC-series configuration memory no more than 50 mm from the FPGA's DATA, DCLK, nCONFIG, nSTATUS, and CONFIG_DONE pins to keep configuration traces short and noise-free. The 5 V I/O banks generate simultaneous-switching noise (SSN); keep sensitive analog traces away from I/O banks and add ground guards.
Critical pitfalls: (1) SRAM-based FPGAs are volatile - if the EPC configuration memory is missing, mis-programmed, or the bitstream is corrupted, the device will not function. (2) Always pull nCONFIG high with a 10 kΩ resistor and tie nSTATUS and CONFIG_DONE high through 10 kΩ per the FLEX 8000 reference design. (3) Do not assert I/O drive before configuration completes; tristate all I/Os during configuration. (4) The commercial (0 °C to +70 °C) grade is NOT suitable for industrial -40 °C to +85 °C or military -55 °C to +125 °C environments; spec a wider-temperature FLEX 8000 variant instead. (5) Quartus II support for FLEX 8000 is legacy-only - use MAX+PLUS II baseline 10.x for the most reliable synthesis results.
Decoupling strategy: place 0.1 µF X7R ceramics directly under each VCC pin on the opposite PCB side, connected by short vias (less than 1 mm). Add 1 nF and 10 nF caps in parallel for high-frequency noise suppression above 100 MHz. Use a solid ground pour on layer 2 directly under the FPGA body; do not split the ground plane under the device. For multi-FPGA designs, isolate configuration busses per device and avoid sharing DCLK across multiple FPGAs - use point-to-point daisy-chain configuration instead.
Thông tin tuân thủ
RoHS, REACH, lead-free, halogen-free, and conflict-minerals status for EPF8820ATC144-3N were not present in the Verified Web Data and are flagged as [DATA_NEEDED] in the specs array. AEC-Q100 is not applicable because this part is a commercial-grade FPGA, not an automotive-qualified IC.
