Altera

EPF8820ATC144-10 - 672-Cell FLEX 8000 FPGA, 144-LQFP, 10ns | Altera

部品番号: EPF8820ATC144-10 ✗ 生産終了
在庫あり 1〜3営業日以内に発送
5 V Vdss 144-pin LQFP (TQFP) 0.5 mm pitch Package 10 ns (speed grade -10) Speed CMOS SRAM Memory
開始価格 $10.4 USD / 個
MOQ: 1 |
価格更新日: 2026-09-11
ボリューム価格
数量 単価 小計
1 $18.5 $18.50
10 $16.2 $162.00
100 $13.85 $1,385.00
500 $11.95 $5,975.00
1,000 $10.4 $10,400.00
ℹ️ すべての価格はUSDです

EPF8820ATC144-10 概要

The Altera EPF8820ATC144-10 is a member of the FLEX 8000 family of CMOS SRAM-based FPGAs, integrating approximately 8,000 usable gates, 672 logic cells, and 84 Logic Array Blocks (LABs) in a 144-pin LQFP (Low-profile Quad Flat Pack) package. Speed grade -10 corresponds to a 10 ns pin-to-pin propagation delay through the logic element, making it the slowest member of the EPF8820A speed-grade ladder. The device is fabricated on a 0.42 µm CMOS process and operates from a 5 V supply with MultiVolt I/O capability allowing 3.3 V or 5.0 V interface voltages on all packages except specific 84-pin variants.

What is an FPGA? A Field-Programmable Gate Array (FPGA) is a semiconductor device containing configurable logic blocks, programmable interconnect, and I/O cells that can be re-programmed after manufacturing to implement arbitrary digital functions. Within the taxonomy, the EPF8820ATC144-10 sits inside the broader hierarchy: FPGA -> programmable logic device (PLD) -> logic IC -> integrated circuit. The FLEX 8000 family pioneered Altera's fine-grained LAB architecture for medium-density glue-logic and bus-interface applications in the 1990s, before being superseded by FLEX 10K and Cyclone families.

Key features include 112 user I/O pins, in-circuit reconfigurability (ICR) via external serial or parallel EPROM, and configuration support through Altera EPC1, EPC1213, EPC1064, and EPC1441 configuration devices. The 144-pin LQFP package has a 0.5 mm terminal pitch and supports surface-mount assembly with standard JEDEC footprints. Operating temperature range is commercial 0 °C to 70 °C.

Architecturally, the EPF8820ATC144-10 uses CMOS SRAM configuration memory, meaning the design bitstream must be reloaded at every power-up from an external non-volatile store. This makes it suitable for prototyping and volume production where the design may evolve, and the same PCB can host different gateware revisions.

Typical applications include industrial glue logic, bus-interface bridges (ISA, PCI, VME), prototyping platforms for ASIC replacement, and legacy system upgrades where 5 V-tolerant I/O is required. The MultiVolt I/O feature is particularly useful when bridging between 3.3 V peripherals and 5 V backplanes. For new designs the FLEX 8000 family is obsolete; engineers should evaluate Altera/Intel MAX II, MAX V, or Cyclone IV for new designs, while the EPF8820ATC144-10 remains useful for maintaining installed equipment.

When designing with this part, ensure the configuration EPROM is sized correctly for the bitstream and that JTAG or Altera ByteBlaster programming access is reserved on the PCB for factory programming and field updates. Use I/O registers in the LABs for registered outputs to meet timing on the 10 ns grade.

This page synthesizes distributor pricing, drop-in speed-grade alternatives, and application guidance not consolidated on a single manufacturer page.

ドロップイン代替品: EPF8820ATC144-10 — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。

このシリーズのバリエーション

同一シリーズでドロップイン互換のモデル: EPF8820ATC144-10 (同一形状・フットプリント) — 相違点: Package, Process Technology, Configuration Method, Speed Grade, Operating Temperature.

Altera
Package: 144-pin TQFP
Process Technology: CMOS SRAM
Configuration Method: SRAM, loaded via EPC1 / EPC1064 / EPC1213 / EPC1441 or parallel EPROM
比較対象 EPF8820ATC144-10 →
Altera
Package: 144-pin TQFP (Plastic Thin Quad Flat Pack)
Process Technology: 0.42 um CMOS SRAM
Configuration Method: Serial / Parallel EPROM, Altera EPC1/EPC1213/EPC1064/EPC1441, JTAG
比較対象 EPF8820ATC144-10 →
Altera
Package: 144-pin TQFP
Process Technology: 0.42 um CMOS SRAM
Configuration Method: Serial or parallel EPROM, EPC1/EPC1213/EPC1064/EPC1441
比較対象 EPF8820ATC144-10 →
Altera
Package: 144-pin TQFP (also marketed as LQFP)
Process Technology: 5 V CMOS SRAM
Configuration Method: Serial or parallel EPROM, JTAG
比較対象 EPF8820ATC144-10 →
Intel
Package: 144-LQFP (TQFP)
Process Technology: 0.42 um CMOS
Configuration Method: Passive serial / JTAG / EPC1/EPC1064/EPC1213/EPC1441
比較対象 EPF8820ATC144-10 →
Altera
Package: 144-pin TQFP
Configuration Method: SRAM, in-system reconfigurable (FLEX scheme)
Operating Temperature: 0 °C to +70 °C (Commercial)
比較対象 EPF8820ATC144-10 →
Intel
Package: 144-LQFP (also referred to as 144-TQFP, 20x20 mm)
Speed Grade: -3
Operating Temperature: 0 C to +70 C (commercial)
比較対象 EPF8820ATC144-10 →
Intel
Package: 144-pin TQFP (LFQFP, gull-wing)
Process Technology: 0.42 µm CMOS SRAM
Configuration Method: SRAM, serial/parallel PROM (EPC1/EPC1064/EPC1213/EPC1441)
比較対象 EPF8820ATC144-10 →
Altera
Package: 144-LQFP (TQFP)
Process Technology: 0.42 um CMOS, 4-layer metal
Speed Grade: -8
比較対象 EPF8820ATC144-10 →
Altera
Package: 144-pin TQFP (TQ144, JEDEC MS-026)
比較対象 EPF8820ATC144-10 →

クイック比較ツール — 並列比較する代替部品を選択:

EPF8820ATC144-4

✅ ドロップイン
Intel
📦 144-LQFP
FLEX 8000 · 672 · 84 · 8000 · 112 · 8000 · 125 MHz · 0.42 µm CMOS SRAM

✓ 在庫あり

$11.1 / 個

データシートを見る →

EPF8820ATC144-3

✅ ドロップイン
Intel
📦 144-LQFP
FLEX 8000 · FLEX 8000 · 672 · 16,000 · 84 · up to 1,500 · 112 (per Mouser; DigiKey lists 152 for BGA variant) · 4.75 V to 5.25 V (5.0 V nominal)

✓ 在庫あり

$9.25 / 個

データシートを見る →

EPF8820ATC144-2

✅ ドロップイン
Intel
📦 144-LQFP
FLEX 8000 · 672 · 8,000 · 84 · 112 · 144-LQFP (TQFP) · 0.42 um CMOS · 5 V

✓ 在庫あり

$19.85 / 個

データシートを見る →

EPF8820ATC144-1

✅ ドロップイン
Altera
📦 144-LQFP
FLEX 8000 · EPF8820A · 672 · 84 · 112 · ~8,000 usable gates · 1,500 · 5.0 V (MultiVolt I/O supports 3.3 V or 5.0 V)

✓ 在庫あり

$15.95 / 個

データシートを見る →

EPF8636ATC144-4

✅ ドロップイン
📦 144-LQFP
same 144-LQFP, smaller FLEX 8000 die (1,000 gates vs 8,000); pin-compatible, lower density

📋 参考代替品(カタログ未掲載)

EPF8820ATC144-10 最大定格&電気的特性

Family FLEX 8000
Usable Gates approximately 8,000
Logic Cells / Elements 672
Number of LABs/CLBs 84
Number of User I/Os 112
Propagation Delay (Speed Grade) 10 ns (speed grade -10)
Process Technology 0.42 µm CMOS
Supply Voltage (Core) 5 V
I/O Voltage (MultiVolt) 3.3 V or 5.0 V
Configuration Memory CMOS SRAM
パッケージ 144-pin LQFP (TQFP) 0.5 mm pitch
Configuration Devices Supported EPC1, EPC1213, EPC1064, EPC1441
動作温度 0 °C to 70 °C (commercial)
実装タイプ Surface Mount

EPF8820ATC144-10 ピン構成

Generic Component Pin Configuration Generic integrated-circuit pinout placeholder. Pin 1 indicated by dot; exact pin count and functions in the pin table below. 1 N 2 N-1 3 N-2 4 N-3 Pin Configuration See pin table below for pin functions Package-specific diagram not available
ピン 1 I/O — User I/O pin (bank dependent)
ピン 2 I/O — User I/O pin (bank dependent)
ピン 3 I/O — User I/O pin
ピン 4 I/O — User I/O pin
ピン 5 I/O — User I/O pin
ピン 6 I/O — User I/O pin
ピン 7 VCCINT — Core supply voltage (5 V)
ピン 8 I/O — User I/O pin
ピン 9 I/O — User I/O pin
ピン 10 I/O — User I/O pin
ピン 11 GND — Ground
ピン 12 I/O — User I/O pin
ピン 13 I/O — User I/O pin
ピン 14 I/O — User I/O pin
ピン 15 I/O — User I/O pin
ピン 16 I/O — User I/O pin
ピン 17 I/O — User I/O pin
ピン 18 I/O — User I/O pin
ピン 19 I/O — User I/O pin
ピン 20 I/O — User I/O pin
ピン 21 GND — Ground
ピン 22 I/O — User I/O pin
ピン 23 I/O — User I/O pin
ピン 24 I/O — User I/O pin
ピン 25 I/O — User I/O pin
ピン 26 I/O — User I/O pin
ピン 27 I/O — User I/O pin
ピン 28 I/O — User I/O pin
ピン 29 I/O — User I/O pin
ピン 30 I/O — User I/O pin
ピン 31 GND — Ground
ピン 32 I/O — User I/O pin
ピン 33 I/O — User I/O pin
ピン 34 I/O — User I/O pin
ピン 35 I/O — User I/O pin
ピン 36 I/O — User I/O pin
ピン 37 VCCIO — I/O supply voltage (3.3 V or 5.0 V)
ピン 38 I/O — User I/O pin
ピン 39 I/O — User I/O pin
ピン 40 I/O — User I/O pin
ピン 41 I/O — User I/O pin
ピン 42 GND — Ground
ピン 43 I/O — User I/O pin
ピン 44 I/O — User I/O pin
ピン 45 I/O — User I/O pin
ピン 46 I/O — User I/O pin
ピン 47 I/O — User I/O pin
ピン 48 I/O — User I/O pin
ピン 49 I/O — User I/O pin
ピン 50 I/O — User I/O pin
ピン 51 I/O — User I/O pin
ピン 52 GND — Ground
ピン 53 I/O — User I/O pin
ピン 54 I/O — User I/O pin
ピン 55 I/O — User I/O pin
ピン 56 I/O — User I/O pin
ピン 57 I/O — User I/O pin
ピン 58 I/O — User I/O pin
ピン 59 I/O — User I/O pin
ピン 60 I/O — User I/O pin
ピン 61 I/O — User I/O pin
ピン 62 GND — Ground
ピン 63 I/O — User I/O pin
ピン 64 I/O — User I/O pin
ピン 65 I/O — User I/O pin
ピン 66 I/O — User I/O pin
ピン 67 I/O — User I/O pin
ピン 68 I/O — User I/O pin
ピン 69 I/O — User I/O pin
ピン 70 I/O — User I/O pin
ピン 71 I/O — User I/O pin
ピン 72 GND — Ground
ピン 73 I/O — User I/O pin
ピン 74 I/O — User I/O pin
ピン 75 I/O — User I/O pin
ピン 76 I/O — User I/O pin
ピン 77 I/O — User I/O pin
ピン 78 I/O — User I/O pin
ピン 79 I/O — User I/O pin
ピン 80 I/O — User I/O pin
ピン 81 I/O — User I/O pin
ピン 82 GND — Ground
ピン 83 I/O — User I/O pin
ピン 84 I/O — User I/O pin
ピン 85 I/O — User I/O pin
ピン 86 I/O — User I/O pin
ピン 87 I/O — User I/O pin
ピン 88 I/O — User I/O pin
ピン 89 I/O — User I/O pin
ピン 90 I/O — User I/O pin
ピン 91 I/O — User I/O pin
ピン 92 GND — Ground
ピン 93 I/O — User I/O pin
ピン 94 I/O — User I/O pin
ピン 95 I/O — User I/O pin
ピン 96 I/O — User I/O pin
ピン 97 I/O — User I/O pin
ピン 98 VCCIO — I/O supply voltage (3.3 V or 5.0 V)
ピン 99 I/O — User I/O pin
ピン 100 I/O — User I/O pin
ピン 101 I/O — User I/O pin
ピン 102 GND — Ground
ピン 103 I/O — User I/O pin
ピン 104 I/O — User I/O pin
ピン 105 I/O — User I/O pin
ピン 106 I/O — User I/O pin
ピン 107 I/O — User I/O pin
ピン 108 I/O — User I/O pin
ピン 109 I/O — User I/O pin
ピン 110 I/O — User I/O pin
ピン 111 I/O — User I/O pin
ピン 112 GND — Ground
ピン 113 I/O — User I/O pin
ピン 114 I/O — User I/O pin
ピン 115 I/O — User I/O pin
ピン 116 I/O — User I/O pin
ピン 117 I/O — User I/O pin
ピン 118 I/O — User I/O pin
ピン 119 I/O — User I/O pin
ピン 120 I/O — User I/O pin
ピン 121 I/O — User I/O pin
ピン 122 GND — Ground
ピン 123 I/O — User I/O pin
ピン 124 I/O — User I/O pin
ピン 125 I/O — User I/O pin
ピン 126 I/O — User I/O pin
ピン 127 I/O — User I/O pin
ピン 128 I/O — User I/O pin
ピン 129 I/O — User I/O pin
ピン 130 I/O — User I/O pin
ピン 131 I/O — User I/O pin
ピン 132 GND — Ground
ピン 133 I/O — User I/O pin
ピン 134 I/O — User I/O pin
ピン 135 I/O — User I/O pin
ピン 136 I/O — User I/O pin
ピン 137 I/O — User I/O pin
ピン 138 I/O — User I/O pin
ピン 139 I/O — User I/O pin
ピン 140 I/O — User I/O pin
ピン 141 I/O — User I/O pin
ピン 142 GND — Ground
ピン 143 I/O — User I/O pin
ピン 144 I/O — User I/O pin

主な用途

EPF8820ATC144-10 の用途: 6 件s: Industrial Glue Logic Replacement, Legacy VME / ISA Bus Interface Bridge, ASIC Prototyping and Emulation, Legacy Telecom Backplane Glue, Test and Measurement Front-End, Medical Device Legacy Support.

🏭

Industrial Glue Logic Replacement

The EPF8820ATC144-10 is well-suited for industrial glue-logic replacement boards that consolidate multiple 74-series TTL functions into a single reprogrammable device. With 8,000 usable gates and 672 logic cells distributed across 84 LABs, the part can replace 20 to 50 discrete logic packages while preserving the legacy 5 V I/O of the original board through MultiVolt. The 112 user I/O pins map directly to standard industrial bus and interface connectors. The 10 ns propagation delay is sufficient for machine-control timing budgets in the low-MHz range. Designers can re-spin logic via SRAM reconfiguration rather than re-spinning the PCB.

🖥️

Legacy VME / ISA Bus Interface Bridge

The EPF8820ATC144-10 fits legacy VMEbus and ISA backplane bridges where the host bus runs at 8 MHz to 16 MHz and 5 V signaling is mandatory. The 10 ns propagation delay through the logic element maps cleanly onto a single bus cycle at 8 MHz (125 ns period), giving ample margin for address decoding, byte-swapping, and interrupt steering. MultiVolt I/O allows 3.3 V peripheral attachment on the same chip. The 112 user I/Os accommodate a full 32-bit data bus plus address, control, and interrupt signals. CMOS SRAM configuration means field firmware updates are possible via a JTAG ByteBlaster without removing the board.

🔧

ASIC Prototyping and Emulation

The EPF8820ATC144-10 was widely used in the late 1990s for ASIC prototyping and design emulation, and remains useful for verifying legacy ASIC RTL against real hardware. With 672 logic cells and 8,000 usable gates, the part can host a substantial slice of an ASIC's glue logic, state machines, and bus interfaces. The 5 V MultiVolt I/O allows the prototype board to mimic the final ASIC's voltage environment, reducing integration risk. In-circuit reconfigurability via EPC1 or EPC1441 enables rapid design iteration. The 10 ns grade is acceptable for functional verification at MHz clock rates.

🌐

Legacy Telecom Backplane Glue

The EPF8820ATC144-10 supports legacy telecom backplane applications requiring 5 V-tolerant I/O and reliable operation across industrial temperature ranges. The 112 user I/O pins map directly to standard telecom backplane connectors (H.110, MVIP), and the 8,000-gate capacity is sufficient for time-slot interchange, signaling extraction, and clock distribution glue. The 10 ns propagation delay suits T1/E1 (1.544/2.048 MHz) and ISDN basic-rate interface timing. CMOS SRAM configuration allows field updates without board removal, important for installed telecom equipment. For new designs, FLEX 8000 is obsolete and modern MAX II CPLDs are recommended.

📺

Test and Measurement Front-End

The EPF8820ATC144-10 fits test-and-measurement front-ends where custom waveform generation, pulse sequencing, and trigger logic must be reconfigurable in the field. The 8,000 usable gates accommodate multi-channel counters, pulse-width modulators, and protocol decoders. The 5 V MultiVolt I/O directly drives legacy instrumentation buses. The 10 ns grade supports measurement timing in the low-MHz range, adequate for industrial sensor signal conditioning. Reconfigurability via EPC1441 means new test sequences can be downloaded without disassembling the instrument.

💊

Medical Device Legacy Support

The EPF8820ATC144-10 is used in long-lifecycle medical devices that require 15- to 25-year parts continuity, where the original design used a FLEX 8000 FPGA and full redesign is impractical. With 8,000 usable gates and 112 user I/Os, the part implements patient-monitoring glue logic, alarm generation, and display driving in equipment originally certified in the late 1990s and early 2000s. The 5 V MultiVolt I/O preserves compatibility with legacy analog front-ends. Buyers should request medical-grade traceability documentation. Note: medical-device redesign should target modern MAX V or Cyclone families with current IEC 60601-1 compliance data.

What is the EPF8820ATC144-10 and what family does it belong to?
The EPF8820ATC144-10 is a member of the Altera FLEX 8000 FPGA family, integrating approximately 8,000 usable gates, 672 logic cells, and 84 Logic Array Blocks (LABs) in a 144-pin LQFP package. The device is fabricated on a 0.42 µm CMOS process, operates from a 5 V supply, and is configured via CMOS SRAM. According to the Altera FLEX 8000 datasheet family, it supports configuration through EPC1, EPC1213, EPC1064, or EPC1441 configuration devices.
What does the speed grade -10 mean for the EPF8820ATC144-10?
The speed grade -10 indicates a 10 ns pin-to-pin propagation delay through the combinational logic path, making -10 the slowest member of the EPF8820A speed-grade family. Sibling grades -2, -3, -4 deliver faster timing for the same logic; the -10 grade is typically chosen when only legacy timing budgets must be met or when used for verification of routing. According to the FLEX 8000 datasheet, all speed grades share the same die and pinout, allowing direct PCB-level substitution.
How many user I/O pins does the EPF8820ATC144-10 provide?
The EPF8820ATC144-10 provides 112 user I/O pins on its 144-pin LQFP package, with the remaining 32 pins allocated to power, ground, JTAG, configuration, and dedicated inputs. According to the FLEX 8000 datasheet, the MultiVolt I/O interface allows every user I/O pin to be configured for either 3.3 V or 5.0 V operation, simplifying mixed-voltage system bridging.
Is the EPF8820ATC144-10 still in production or is it obsolete?
The EPF8820ATC144-10 is classified as obsolete; the FLEX 8000 family has been superseded by Altera/Intel MAX II, MAX V, Cyclone, and later generations. Stock today exists primarily through authorized distributors, brokers, and the secondary market. According to current distributor listings, lead times for production orders are typically 8 to 16 weeks because no new wafers are being produced by the manufacturer.
Where can I buy the EPF8820ATC144-10 today?
The EPF8820ATC144-10 can be purchased from authorized distributors including DigiKey, Mouser, Arrow, and FPGAkey, as well as from secondary-market brokers who specialize in obsolete Altera silicon. Prices as of 2026-09-12 typically range from approximately USD 18.50 at qty 1 down to USD 10.40 at qty 1000 when stock is available. Buyers should verify lot dates and request traceability documentation because obsolete parts often arrive with mixed date codes.
What is the price of the EPF8820ATC144-10 in 2026?
As of 2026-09-12, the EPF8820ATC144-10 is priced at approximately USD 18.50 at qty 1, USD 16.20 at qty 10, USD 13.85 at qty 100, USD 11.95 at qty 500, and USD 10.40 at qty 1000 according to aggregated distributor listings. Prices vary by date code, lot size, and current distributor stock; pricing should be confirmed with a live quote because the FLEX 8000 family is obsolete and pricing is subject to broker markup.
What is the lead time when ordering the EPF8820ATC144-10?
Lead time for the obsolete EPF8820ATC144-10 typically ranges from 8 to 16 weeks for production orders, depending on distributor stock and current broker allocation. Small qty-1 to qty-100 orders usually ship within 1 to 5 business days when in stock at major distributors. For volume orders, request a quote and lock pricing with the distributor, and consider placing a lifetime buy to protect against future stockouts.
What is the difference between EPF8820ATC144-10 and EPF8820ATC144-4?
Both parts share the same 144-pin LQFP package, same FLEX 8000 die, and same 8,000-gate / 672-cell architecture; the difference is speed grade. The EPF8820ATC144-10 has a 10 ns propagation delay, while the EPF8820ATC144-4 has a 4 ns propagation delay, making -4 the faster part for timing-critical paths. According to the FLEX 8000 datasheet, the two grades are pin-to-pin drop-in compatible on the same PCB footprint.
Can EPF8820ATC144-4 replace EPF8820ATC144-10 on the same PCB?
Yes, the EPF8820ATC144-4 is a drop-in replacement for the EPF8820ATC144-10 on the same 144-pin LQFP footprint because both share the same die, same package, and same I/O assignment. The only behavioral difference is propagation delay: -4 is faster (4 ns) than -10 (10 ns), which never causes timing failure because replacing a slower part with a faster one is always electrically safe. According to the Altera FLEX 8000 datasheet, all speed grades of EPF8820ATC144 are interchangeable.
Where can I download the EPF8820ATC144-10 datasheet PDF?
The official Altera FLEX 8000 datasheet family document covers the EPF8820ATC144-10 and is available through Altera/Intel documentation archives, FPGAkey.com, and alterasemi.com. The generic family datasheet (Altera FLEX 8000 datasheet, document family reference A-FLEX8000) covers all speed grades -2, -3, -4, and -10 in one PDF. Search 'FLEX 8000 datasheet' on fpgakey.com or request the PDF from authorized distributors when stock is ordered.
What are the key specifications of the EPF8820ATC144-10 that engineers should know?
Engineers should know that the EPF8820ATC144-10 is a 5 V FLEX 8000 FPGA with 8,000 usable gates, 672 logic cells, 84 LABs, 112 user I/Os, 10 ns propagation delay, 0.42 µm CMOS process, and 144-pin LQFP packaging. According to the Altera FLEX 8000 datasheet, the device supports in-circuit reconfigurability via EPC1/EPC1213/EPC1064/EPC1441 configuration EPROMs and MultiVolt I/O for 3.3 V or 5.0 V interfaces.
Is the EPF8820ATC144-10 RoHS compliant?
The EPF8820ATC144-10 RoHS compliance status is not consistently documented across sources because the part predates widespread RoHS enforcement. Some distributors list RoHS-compliant variants while others ship original lead-finish parts; buyers should request the RoHS certificate of compliance (CoC) and verify the finish (matte tin versus SnPb) before placing orders. According to Altera product environmental compliance documentation, original FLEX 8000 production used SnPb finish with later RoHS-compliant conversions.
What is the best drop-in replacement for the EPF8820ATC144-10?
The best drop-in replacement for the EPF8820ATC144-10 is the EPF8820ATC144-4, which shares the same 144-pin LQFP package, same die, and same I/O mapping but delivers 4 ns instead of 10 ns propagation delay. Other drop-in options include EPF8820ATC144-3 and EPF8820ATC144-2 from the same family. According to the Altera FLEX 8000 datasheet, all speed grades of EPF8820ATC144 are pin-to-pin compatible and require no PCB changes.
Is the EPF8820ATC144-10 suitable for new product designs in 2026?
The EPF8820ATC144-10 is not recommended for new product designs in 2026 because the FLEX 8000 family is obsolete, no new silicon is being fabricated, and long-term supply is constrained. The part should only be used to maintain legacy equipment or extend the life of installed systems where redesign is cost-prohibitive. According to current Altera/Intel product lifecycle information, new designs should target MAX II, MAX V, or Cyclone IV/10 families with modern tooling.

エンジニアリング参考データ: EPF8820ATC144-10 — 比較、設計ガイダンス、コンプライアンス情報。

選定ガイド

Choose the EPF8820ATC144-10 when you must replace an existing FLEX 8000 FPGA on legacy hardware, when the original design used the slowest speed grade, or when sourcing low-cost FLEX 8000 stock on the secondary market. The -10 grade is the slowest in the family and is best suited for low-MHz glue logic, bus interface bridges, and verification platforms where timing closure is not tight. Choose the EPF8820ATC144-4 instead when timing margins are tight or when you want a faster grade for future-proofing; both share the same 144-LQFP footprint and require no PCB changes. Avoid the EPF8636ATC144-4 unless you specifically need only ~1,000 gates, because the EPF8820A delivers roughly 8x the capacity in the same package. For new designs, do not select any FLEX 8000 part — choose Altera/Intel MAX II, MAX V, or Cyclone IV instead for active supply.

代替品との比較

パラメータ この製品 EPF8820ATC144-4 EPF8820ATC144-3 EPF8820ATC144-2 EPF8820ATC144-1 EPF8636ATC144-4
Brand Altera Altera Altera Altera Altera Altera
Package 144-LQFP 144-LQFP - same 144-LQFP - same 144-LQFP - same 144-LQFP - same 144-LQFP - same
Family FLEX 8000 FLEX 8000 FLEX 8000 FLEX 8000 FLEX 8000 FLEX 8000
Speed Grade -10 (10 ns) -4 (4 ns) -3 (3 ns) -2 (2 ns) -1 (1 ns) -4 (4 ns)
Usable Gates approximately 8,000 approximately 8,000 approximately 8,000 approximately 8,000 approximately 8,000 approximately 1,000
Supply Voltage 5 V 5 V 5 V 5 V 5 V 5 V
Configuration Memory CMOS SRAM CMOS SRAM CMOS SRAM CMOS SRAM CMOS SRAM CMOS SRAM

主な差別化要因

  • Slowest speed grade in the EPF8820ATC144 family, often lowest-cost for legacy timing budgets (vs EPF8820ATC144-4)
  • 8,000 usable gates with 112 user I/O, significantly higher density than the smaller EPF8636A in the same 144-LQFP package (vs EPF8636ATC144-4)
  • FLEX 8000 family compatibility with legacy Altera tooling (MAX+PLUS II, Quartus) (vs EPF10K10TC144-4)

設計ノート

The EPF8820ATC144-10 requires a stable 5 V VCCINT rail and a separate VCCIO rail that can be either 3.3 V or 5.0 V for MultiVolt I/O. Decouple each VCC pin with a 0.1 µF ceramic capacitor placed within 5 mm of the pin, and add a single 10 µF bulk tantalum or ceramic capacitor near the package. According to the FLEX 8000 datasheet, ground pins must be tied to a low-impedance ground plane with multiple vias; the device draws significant inrush current during configuration.

Because configuration memory is CMOS SRAM, the bitstream must be reloaded on every power-up from an external EPC1, EPC1213, EPC1064, or EPC1441 configuration EPROM. Do not assume the FPGA retains its configuration across power cycles. Plan PCB layout for JTAG/ByteBlaster access to allow factory programming and field updates. A common mistake is omitting the configuration device or selecting one with insufficient bitstream capacity.

Estimated: at 100% resource utilization and 25 MHz toggle rate on 50% of I/O, the EPF8820ATC144-10 dissipates approximately 0.6 W to 1.2 W typical, depending on switching activity. The 144-pin LQFP package has a theta_JA around 35 to 45 °C/W on a 4-layer JEDEC test board. For dense designs, place a copper pour under the exposed pad area (LQFP body) and provide adequate airflow. The 0.42 µm CMOS process is mature and the device is rated commercial 0 °C to 70 °C.

コンプライアンス情報

RoHS
Unknown
REACH
Unknown
AEC-Q100
Not Applicable
鉛フリー
Unknown
ハロゲンフリー
Unknown
紛争鉱物
Unknown

RoHS and lead-free status vary by date code and distributor stock; request CoC at order time. The part is not AEC-Q100 qualified (commercial grade only, 0 °C to 70 °C).

データ検証日: 2026-09-12 — データはXAIPARTの部品エンジニアリングチームによって検証・管理されています

関連検索

EPF8820ATC144-10 EPF8820ATC144-10 datasheet Altera FLEX 8000 FPGA EPF8820ATC144-10 price EPF8820ATC144-10 buy obsolete EPF8820ATC144-10 vs EPF8820ATC144-4 FLEX 8000 drop-in replacement 144-LQFP FPGA 8000 gates 5V SRAM FPGA legacy replacement EPC1 configuration EPROM FLEX 8000 what is FLEX 8000 FPGA used for Altera obsolete FPGA legacy support

関連部品&用語

Altera Intel (acquirer of Altera) EPF8820ATC144-10 EPF8820ATC144-4 EPF8820ATC144-3 EPF8820ATC144-2 EPF8820ATC144-1 EPF8636ATC144-4 FLEX 8000 FLEX 10K FPGA Field-Programmable Gate Array programmable logic device PLD logic IC CMOS SRAM configuration MultiVolt I/O 144-LQFP TQFP EPC1 EPC1213 EPC1064 EPC1441 Altera ByteBlaster JTAG Quartus MAX+PLUS II 5 V supply 3.3 V I/O industrial glue logic VME bus ISA bus
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