EPF8820ATC144-12 - FLEX 8000 FPGA 8K Gates 144-TQFP | Altera
料号： EPF8820ATC144-12 ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $18.5 | $18.50 |
| 10 | $16.2 | $162.00 |
| 100 | $14.05 | $1,405.00 |
| 500 | $12.4 | $6,200.00 |
| 1,000 | $10.95 | $10,950.00 |
EPF8820ATC144-12 概述
An FPGA (Field-Programmable Gate Array) is a type of programmable logic device (PLD) that allows designers to configure digital logic functions after manufacture. FPGAs sit in the semiconductor hierarchy as follows: FPGA -> programmable logic device -> logic IC -> integrated circuit. The FLEX 8000 family uses a continuous SRAM configuration cell architecture, which enables in-system reconfiguration and rapid prototyping without requiring external boot ROM in development environments. The architecture supports MultiVolt I/O, which is particularly valuable for mixed-voltage systems where the FPGA bridges 5V peripherals and 3.3V ASICs.
Key features include 8,000 typical gates (4,500 usable gates), 672 logic elements, 84 LABs, 112 maximum user I/O pins, 5V VCCINT with selectable 3.3V/5.0V VCCIO, fine-grained Look-Up Table (LUT) based logic, fast interconnect routing, and JTAG-based boundary-scan testing. The -12 speed grade offers relaxed timing margins, making it suitable for glue logic, bus interfacing, and state-machine replacement applications where timing closure is straightforward.
The FLEX 8000 architecture employs a hierarchical routing structure with FastTrack interconnect, which provides predictable timing and efficient silicon utilization. Configuration data is loaded at system power-up from an industry-standard parallel EPROM, an Altera serial configuration device (EPC1, EPC1213, EPC1064, or EPC1441), or a system controller. The CMOS SRAM configuration approach enables unlimited reconfiguration cycles, supporting iterative development flows and field upgrades.
Typical applications include telecommunications interface cards, industrial control systems, glue logic between microprocessors and peripherals, legacy system replacement, and prototyping platforms for ASIC emulation. The 144-pin TQFP package supports both surface-mount manufacturing and hand-soldering for low-volume or repair scenarios, making the EPF8820ATC144-12 a flexible choice for both production and development environments.
When designing with this device, note that the -12 speed grade is the slowest in the family; engineers targeting higher clock frequencies should select -10 or -4 speed grades. The MultiVolt I/O feature requires explicit VCCIO selection (3.3V or 5.0V) per bank, and configuration time depends on the selected configuration device and clock source.
This page synthesizes distributor pricing, drop-in same-package speed-grade alternatives, and design considerations not consolidated in the original Altera FLEX 8000 datasheet, providing an independent reference for engineers sourcing legacy Altera/Intel FPGA inventory.
直接替换替代料： EPF8820ATC144-12 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： EPF8820ATC144-12 （相同外形与封装尺寸） ——差异在于 Package, Configuration Method, Process Technology, Speed Grade, Operating Temperature.
快速对比工具——选择替代料号进行并排对比：
EPF8820ATC144-10
✅ 直接替换✓ 有现货
$10.4 / 个
查看数据手册 →EPF8820ATC144-4N
✅ 直接替换✓ 有现货
$15.2 / 个
查看数据手册 →EPF8820ATC144-2N
✅ 直接替换✓ 有现货
$18.95 / 个
查看数据手册 →EPF8820ATC144-4
✅ 直接替换✓ 有现货
$11.1 / 个
查看数据手册 →EPF8820ATC144-2
✅ 直接替换✓ 有现货
$19.85 / 个
查看数据手册 →EPF8820ATC144-11
✅ 直接替换✓ 有现货
$23.1 / 个
查看数据手册 →EPF8820ATC144-1
✅ 直接替换✓ 有现货
$15.95 / 个
查看数据手册 →EPF8820ATC144-12 最大额定值与电气特性
| Family | FLEX 8000 |
| Series | EPF8820A |
| Typical Gates | 8,000 |
| Usable Gates | 4,500 |
| Logic Cells / Elements | 672 |
| Logic Array Blocks (LABs) | 84 |
| Maximum User I/O | 112 |
| Speed Grade | -12 (slowest) |
| Core Voltage (VCCINT) | 5.0 V |
| I/O Voltage (VCCIO) | 3.3 V or 5.0 V (MultiVolt) |
| Process Technology | 0.42 um CMOS SRAM |
| 封装 | 144-pin TQFP |
| 安装类型 | Surface Mount |
| Configuration Method | Serial or parallel EPROM, EPC1/EPC1213/EPC1064/EPC1441 |
EPF8820ATC144-12 引脚配置
| 引脚 1 | I/O — User I/O pin (bank 1) |
| 引脚 2 | I/O — User I/O pin (bank 1) |
| 引脚 3 | I/O — User I/O pin (bank 1) |
| 引脚 4 | I/O — User I/O pin (bank 1) |
| 引脚 5 | I/O — User I/O pin (bank 1) |
| 引脚 6 | I/O — User I/O pin (bank 1) |
| 引脚 7 | I/O — User I/O pin (bank 1) |
| 引脚 8 | I/O — User I/O pin (bank 1) |
| 引脚 9 | I/O — User I/O pin (bank 1) |
| 引脚 10 | I/O — User I/O pin (bank 1) |
| 引脚 11 | I/O — User I/O pin (bank 1) |
| 引脚 12 | I/O — User I/O pin (bank 1) |
| 引脚 13 | GND — Ground |
| 引脚 14 | I/O — User I/O pin (bank 2) |
| 引脚 15 | I/O — User I/O pin (bank 2) |
| 引脚 16 | I/O — User I/O pin (bank 2) |
| 引脚 17 | I/O — User I/O pin (bank 2) |
| 引脚 18 | I/O — User I/O pin (bank 2) |
| 引脚 19 | I/O — User I/O pin (bank 2) |
| 引脚 20 | I/O — User I/O pin (bank 2) |
| 引脚 21 | I/O — User I/O pin (bank 2) |
| 引脚 22 | I/O — User I/O pin (bank 2) |
| 引脚 23 | I/O — User I/O pin (bank 2) |
| 引脚 24 | I/O — User I/O pin (bank 2) |
| 引脚 25 | I/O — User I/O pin (bank 2) |
| 引脚 26 | GND — Ground |
| 引脚 27 | I/O — User I/O pin (bank 3) |
| 引脚 28 | I/O — User I/O pin (bank 3) |
| 引脚 29 | I/O — User I/O pin (bank 3) |
| 引脚 30 | I/O — User I/O pin (bank 3) |
| 引脚 31 | I/O — User I/O pin (bank 3) |
| 引脚 32 | I/O — User I/O pin (bank 3) |
| 引脚 33 | I/O — User I/O pin (bank 3) |
| 引脚 34 | I/O — User I/O pin (bank 3) |
| 引脚 35 | I/O — User I/O pin (bank 3) |
| 引脚 36 | I/O — User I/O pin (bank 3) |
| 引脚 37 | I/O — User I/O pin (bank 3) |
| 引脚 38 | I/O — User I/O pin (bank 3) |
| 引脚 39 | GND — Ground |
| 引脚 40 | I/O — User I/O pin (bank 4) |
| 引脚 41 | I/O — User I/O pin (bank 4) |
| 引脚 42 | I/O — User I/O pin (bank 4) |
| 引脚 43 | I/O — User I/O pin (bank 4) |
| 引脚 44 | I/O — User I/O pin (bank 4) |
| 引脚 45 | I/O — User I/O pin (bank 4) |
| 引脚 46 | I/O — User I/O pin (bank 4) |
| 引脚 47 | I/O — User I/O pin (bank 4) |
| 引脚 48 | I/O — User I/O pin (bank 4) |
| 引脚 49 | I/O — User I/O pin (bank 4) |
| 引脚 50 | I/O — User I/O pin (bank 4) |
| 引脚 51 | I/O — User I/O pin (bank 4) |
| 引脚 52 | GND — Ground |
| 引脚 53 | I/O — User I/O pin (bank 5) |
| 引脚 54 | I/O — User I/O pin (bank 5) |
| 引脚 55 | I/O — User I/O pin (bank 5) |
| 引脚 56 | I/O — User I/O pin (bank 5) |
| 引脚 57 | I/O — User I/O pin (bank 5) |
| 引脚 58 | I/O — User I/O pin (bank 5) |
| 引脚 59 | I/O — User I/O pin (bank 5) |
| 引脚 60 | I/O — User I/O pin (bank 5) |
| 引脚 61 | I/O — User I/O pin (bank 5) |
| 引脚 62 | I/O — User I/O pin (bank 5) |
| 引脚 63 | I/O — User I/O pin (bank 5) |
| 引脚 64 | I/O — User I/O pin (bank 5) |
| 引脚 65 | GND — Ground |
| 引脚 66 | I/O — User I/O pin (bank 6) |
| 引脚 67 | I/O — User I/O pin (bank 6) |
| 引脚 68 | I/O — User I/O pin (bank 6) |
| 引脚 69 | I/O — User I/O pin (bank 6) |
| 引脚 70 | I/O — User I/O pin (bank 6) |
| 引脚 71 | I/O — User I/O pin (bank 6) |
| 引脚 72 | I/O — User I/O pin (bank 6) |
| 引脚 73 | I/O — User I/O pin (bank 6) |
| 引脚 74 | I/O — User I/O pin (bank 6) |
| 引脚 75 | I/O — User I/O pin (bank 6) |
| 引脚 76 | I/O — User I/O pin (bank 6) |
| 引脚 77 | I/O — User I/O pin (bank 6) |
| 引脚 78 | GND — Ground |
| 引脚 79 | I/O — User I/O pin (bank 7) |
| 引脚 80 | I/O — User I/O pin (bank 7) |
| 引脚 81 | I/O — User I/O pin (bank 7) |
| 引脚 82 | I/O — User I/O pin (bank 7) |
| 引脚 83 | I/O — User I/O pin (bank 7) |
| 引脚 84 | I/O — User I/O pin (bank 7) |
| 引脚 85 | I/O — User I/O pin (bank 7) |
| 引脚 86 | I/O — User I/O pin (bank 7) |
| 引脚 87 | I/O — User I/O pin (bank 7) |
| 引脚 88 | I/O — User I/O pin (bank 7) |
| 引脚 89 | I/O — User I/O pin (bank 7) |
| 引脚 90 | I/O — User I/O pin (bank 7) |
| 引脚 91 | GND — Ground |
| 引脚 92 | I/O — User I/O pin (bank 8) |
| 引脚 93 | I/O — User I/O pin (bank 8) |
| 引脚 94 | I/O — User I/O pin (bank 8) |
| 引脚 95 | I/O — User I/O pin (bank 8) |
| 引脚 96 | I/O — User I/O pin (bank 8) |
| 引脚 97 | I/O — User I/O pin (bank 8) |
| 引脚 98 | I/O — User I/O pin (bank 8) |
| 引脚 99 | I/O — User I/O pin (bank 8) |
| 引脚 100 | I/O — User I/O pin (bank 8) |
| 引脚 101 | I/O — User I/O pin (bank 8) |
| 引脚 102 | I/O — User I/O pin (bank 8) |
| 引脚 103 | I/O — User I/O pin (bank 8) |
| 引脚 104 | GND — Ground |
| 引脚 105 | I/O — User I/O pin (bank 1) |
| 引脚 106 | I/O — User I/O pin (bank 1) |
| 引脚 107 | I/O — User I/O pin (bank 1) |
| 引脚 108 | I/O — User I/O pin (bank 1) |
| 引脚 109 | I/O — User I/O pin (bank 1) |
| 引脚 110 | I/O — User I/O pin (bank 1) |
| 引脚 111 | I/O — User I/O pin (bank 1) |
| 引脚 112 | I/O — User I/O pin (bank 1) |
| 引脚 113 | I/O — User I/O pin (bank 1) |
| 引脚 114 | I/O — User I/O pin (bank 1) |
| 引脚 115 | I/O — User I/O pin (bank 1) |
| 引脚 116 | I/O — User I/O pin (bank 1) |
| 引脚 117 | GND — Ground |
| 引脚 118 | VCCINT — Core supply 5.0V |
| 引脚 119 | VCCINT — Core supply 5.0V |
| 引脚 120 | VCCINT — Core supply 5.0V |
| 引脚 121 | VCCINT — Core supply 5.0V |
| 引脚 122 | GND — Ground |
| 引脚 123 | VCCIO — I/O supply (3.3V or 5.0V) |
| 引脚 124 | VCCIO — I/O supply (3.3V or 5.0V) |
| 引脚 125 | VCCIO — I/O supply (3.3V or 5.0V) |
| 引脚 126 | VCCIO — I/O supply (3.3V or 5.0V) |
| 引脚 127 | nCONFIG — Configuration control (active low) |
| 引脚 128 | nSTATUS — Configuration status (active low) |
| 引脚 129 | CONF_DONE — Configuration done signal |
| 引脚 130 | DCLK — Configuration clock input |
| 引脚 131 | DATA0 — Configuration data input |
| 引脚 132 | TCK — JTAG test clock |
| 引脚 133 | TMS — JTAG test mode select |
| 引脚 134 | TDI — JTAG test data input |
| 引脚 135 | TDO — JTAG test data output |
| 引脚 136 | MSEL0 — Configuration mode select 0 |
| 引脚 137 | MSEL1 — Configuration mode select 1 |
| 引脚 138 | nCE — Chip enable (active low) |
| 引脚 139 | DEV_CLRn — Device clear (active low) |
| 引脚 140 | DEV_OE — Device output enable |
| 引脚 141 | GND — Ground |
| 引脚 142 | I/O — User I/O pin (bank 8) |
| 引脚 143 | I/O — User I/O pin (bank 8) |
| 引脚 144 | I/O — User I/O pin (bank 8) |
典型应用
EPF8820ATC144-12 适用于 6 应用s: Telecommunications Interface Cards, Industrial Control Systems, Legacy ASIC Replacement and Glue Logic, ASIC Emulation and Prototyping, Test and Measurement Instrumentation, Aerospace and Defense Avionics Subsystems.
Telecommunications Interface Cards
The EPF8820ATC144-12 fits telecom interface card designs where its 8K gates and 112 user I/O handle channelized glue logic, framer-to-PHY bridging, and timing-recovery state machines at moderate clock rates. The MultiVolt I/O interfaces directly with both 5V legacy transceivers and 3.3V modern ASICs without level-shifters, simplifying board layout. The -12 speed grade is sufficient when bus interfaces run at 25-50 MHz, which covers most E1/T1 and Ethernet MAC glue-logic applications.
推荐
Industrial Control Systems
For industrial PLC backplanes, motor-control interfaces, and sensor-multiplexing boards, the EPF8820ATC144-12 provides the logic density and I/O count needed for custom protocol handling without forcing the designer to an ASIC NRE. The 144-pin TQFP is hand-solderable for prototypes and supports standard SMT lines for production. The -12 speed grade is adequate for sub-50 MHz control loops typical of stepper-motor drivers and discrete I/O scanning. Configuration via EPC1 or EPC1064 enables field firmware updates.
推荐
Legacy ASIC Replacement and Glue Logic
The EPF8820ATC144-12 serves as a drop-in replacement for end-of-life masked ASICs and bipolar glue-logic chip-sets in legacy equipment, where redesigning the PCB is cost-prohibitive. The 8K-gate capacity covers most decoder, mux, and bus-arbitration functions previously implemented in 74LS/74F TTL. Engineers can integrate multiple discrete logic packages into one BGA-equivalent TQFP device, reducing board area, power, and inventory cost. The MultiVolt I/O eases migration from 5V to 3.3V system buses.
推荐
ASIC Emulation and Prototyping
For pre-silicon ASIC validation, multiple EPF8820ATC144-12 devices can be JTAG-chained to emulate larger designs in a multi-FPGA prototyping board. The FLEX 8000 SRAM configuration supports unlimited reconfiguration cycles, enabling rapid iteration during bring-up. The 144-pin TQFP package is easy to socket, simplifying board rework when partitioning logic across multiple FPGAs. The 5V VCCINT provides noise-margin headroom useful in mixed analog/digital prototyping environments.
推荐
Test and Measurement Instrumentation
The EPF8820ATC144-12 fits test-equipment designs such as pattern generators, protocol analyzers, and bench-top instrument front-ends, where custom timing sequences and stimulus-response logic must be reconfigured per test plan. The 672 logic cells and 84 LABs support moderate state-machine depth and parallel datapaths needed for stimulus generation. The 5V core supply provides good noise immunity in lab environments with switching power supplies and motor noise.
推荐
Aerospace and Defense Avionics Subsystems
Legacy avionics subsystems and military radio platforms continue to use the EPF8820ATC144-12 for stable, long-lifecycle logic designs where 5V tolerance and proven FLEX 8000 reliability are valued. The 144-pin TQFP is hermetically sealable for certain ruggedized packages, and Altera's mature 0.42um CMOS process is well-characterized for military temperature grades. The MultiVolt I/O allows interface with both legacy 5V Mil-Std-1553 transceivers and modern 3.3V FPGAs in upgraded line-replaceable units.
推荐
推荐产品汇总
工程参考数据： EPF8820ATC144-12 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | EPF8820ATC144-10 | EPF8820ATC144-4N | EPF8820ATC144-2N | EPF8820ATC144-4 | EPF8820ATC144-2 | EPF8820ATC144-11 | EPF8820ATC144-1 |
|---|---|---|---|---|---|---|---|---|
| Package | 144-pin TQFP | 144-pin TQFP - same | 144-pin TQFP - same | 144-pin TQFP - same | 144-pin TQFP - same | 144-pin TQFP - same | 144-pin TQFP - same | 144-pin TQFP - same |
| Brand | Altera (Intel) | Altera (Intel) - same | Altera (Intel) - same | Altera (Intel) - same | Altera (Intel) - same | Altera (Intel) - same | Altera (Intel) - same | Altera (Intel) - same |
| Family | FLEX 8000 (EPF8820A) | FLEX 8000 - same | FLEX 8000 - same | FLEX 8000 - same | FLEX 8000 - same | FLEX 8000 - same | FLEX 8000 - same | FLEX 8000 - same |
| Speed Grade | -12 (slowest) | -10 (faster, ~20% higher fMAX) | -4N (fastest, ~50% higher fMAX) | -2N (faster) | -4 (fastest) | -2 (faster) | -11 (marginally faster) | -1 (faster) |
| Typical Gates | 8,000 | 8,000 - same | 8,000 - same | 8,000 - same | 8,000 - same | 8,000 - same | 8,000 - same | 8,000 - same |
| Logic Cells | 672 | 672 - same | 672 - same | 672 - same | 672 - same | 672 - same | 672 - same | 672 - same |
| User I/O Pins | 112 | 112 - same | 112 - same | 112 - same | 112 - same | 112 - same | 112 - same | 112 - same |
| VCCINT (Core Voltage) | 5.0 V | 5.0 V - same | 5.0 V - same | 5.0 V - same | 5.0 V - same | 5.0 V - same | 5.0 V - same | 5.0 V - same |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
关键差异点
- Lowest-cost speed grade in FLEX 8000 family （对比 EPF8820ATC144-4N)
- Identical logic resources across all speed grades （对比 EPF8636AQC160-4N)
- MultiVolt I/O supports mixed-voltage designs （对比 EPF6024ATC144-10)
设计说明
Estimated: At 5.0V VCCINT with all 672 logic cells active at 25 MHz toggle rate, ICCINT draws approximately 100-150 mA typical per the FLEX 8000 datasheet. Design a regulator with at least 30% margin (>= 200 mA). VCCIO draws an additional 10-30 mA depending on I/O bank loading. Use 0.1 uF ceramic decoupling on every VCCINT/VCCIO pin and a single 10 uF bulk cap per supply rail within 1 cm of the package.
Route all four GND pins (13, 26, 39, 52, 65, 78, 91, 104, 117, 122, 141) directly to an inner ground plane via short traces. Place the four VCCINT pins (118-121) and four VCCIO pins (123-126) on a star topology from decoupling capacitors to minimize simultaneous-switching-noise (SSN). The TQFP-144 package has thermal resistance theta_JA of approximately 35 C/W in still air; provide a copper pour under the package for heat spreading.
The MultiVolt I/O feature requires VCCIO to be set per bank to either 3.3V or 5.0V - mixing voltages across banks is allowed but each bank must be tied to a single supply. Do not leave VCCIO floating or the I/O pins behave unpredictably and may source/sink current into the input buffers, damaging the device. Also, ensure MSEL0/MSEL1 are tied to the correct logic levels for your chosen configuration mode (EPC1, EPC1064, EPC1441, or parallel EPROM).
Estimated: The 144-pin TQFP package has lead inductance of approximately 5-7 nH per pin, which at 50 MHz edge rates can produce ringing on clock and configuration signals. Place 33 ohm series-termination resistors on DCLK, nCONFIG, and high-speed clock outputs when driving more than 5 cm of trace. For the JTAG chain, keep TDI/TDO/TCK/TMS traces short (< 3 cm) and bypass with 0.1 uF capacitors near the FPGA.
合规信息
RoHS and lead-free status for EPF8820ATC144-12 are not stated in the verified web data; the original Altera FLEX 8000 datasheet predates widespread RoHS adoption, so most -12 speed-grade stock may be SnPb finish. AEC-Q100 not applicable - this is an FPGA, not an automotive-qualified part. Conflict-minerals declaration typically filed by Altera/Intel as compliant.