Altera

EPF8820ATC144-15 - FLEX 8000 FPGA 8K Gates 672 Cells | Altera

N.º da peça: EPF8820ATC144-15 ✗ Fim de vida
Em estoque Enviado em 1 a 3 dias úteis
5 V Vdss 144-pin TQFP (also marketed as LQFP) Package -15 (approx. 15 ns tpd) Speed
A partir de $19.5 USD / unidade
MOQ: 1 |
Preço atualizado: 2026-09-11
Preços por volume
Qtd. Preço unitário Total
1 $35 $35,00
10 $30 $300,00
100 $25 $2.500,00
500 $22 $11.000,00
1.000 $19.5 $19.500,00
ℹ️ Todos os preços estão em USD

EPF8820ATC144-15 Visão geral

The Altera EPF8820ATC144-15 is a member of the FLEX 8000 family of CMOS SRAM-based Field Programmable Gate Arrays, providing approximately 8,000 usable gates, 672 logic elements (also called registers), and 112 user I/O pins in a 144-pin TQFP (also referred to as LQFP) package. The "-15" speed grade denotes a tpd (pin-to-pin delay) of approximately 15 ns, which positions it in the mid-speed tier of the FLEX 8000 series and makes it suitable for control logic, glue logic, and bus-interface bridges running at moderate clock rates. The device operates from a 5 V core supply and supports MultiVolt I/O, allowing 3.3 V or 5 V interfacing on the same silicon.

A Field Programmable Gate Array (FPGA) is a semiconductor device whose logic and interconnections are configured by the user via SRAM configuration memory, placing FPGAs in the broader hierarchy of programmable logic devices (PLDs) -> FPGAs -> CMOS programmable logic. The FLEX 8000 family pioneered fine-grained logic element architecture with FastTrack continuous interconnect routing, sitting between classic EPLDs and later Cyclone-class devices in Altera's product lineage. The FLEX 8000 architecture is designed for high pin count and register-rich designs.

Key features of the EPF8820ATC144-15 include in-system reconfigurability via serial or parallel configuration devices (EPC1, EPC1064, EPC1213, EPC1441), JTAG support via the IEEE 1149.1 boundary-scan interface, and MultiVolt I/O for mixed-voltage system integration. The 144-pin TQFP package is JEDEC-compliant and surface-mountable, supporting industrial-grade thermal ranges. The CMOS SRAM technology provides low static power and unlimited re-programmability, in-circuit reconfigurability (ICR) being a hallmark of the FLEX 8000 family.

Architecturally, the EPF8820ATC144-15 implements 672 logic elements arranged into Logic Array Blocks (LABs), each LAB containing eight LEs with a local interconnect. The device is fabricated on a 5 V CMOS process with four-layer metal interconnect, with FastTrack routing providing predictable timing. Per the FLEX 8000 datasheet family, the -15 speed grade supports internal clock frequencies up to 125 MHz depending on design density, making it well suited for controller, bus-interface, and coprocessor roles.

Typical applications include bus-interface bridging (e.g., between 5 V and 3.3 V domains), TTL integration for legacy system consolidation, coprocessor functions for microprocessor systems, high-speed controllers in industrial equipment, and digital signal processing glue logic. The 112 user I/Os are sufficient to integrate multiple 32-bit buses within a single device, replacing several discrete TTL packages. Designers select this part when they need a cost-effective 5 V FPGA with moderate logic density and a manageable TQFP footprint.

When designing with the EPF8820ATC144-15, verify that your timing closure requirements fall within the 15 ns speed grade budget; if your design requires tighter timing, consider -3, -4, or -10 speed grade variants in the same package. The MultiVolt I/O feature allows mixed-voltage interfacing but requires careful VCCIO rail planning. Because the FLEX 8000 family is mature, lead time and inventory on the secondary market should be verified before committing to a new design.

This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, helping engineers select the right speed grade and package variant for legacy 5 V FPGA designs.

Alternativas drop-in para EPF8820ATC144-15 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.

Variantes desta série

Modelos da mesma série compatíveis como drop-in com EPF8820ATC144-15 (mesmo formato e footprint) — diferindo em 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
Comparar com EPF8820ATC144-15 →
Altera
Package: 144-pin LQFP (TQFP) 0.5 mm pitch
Process Technology: 0.42 µm CMOS
Operating Temperature: 0 °C to 70 °C (commercial)
Comparar com EPF8820ATC144-15 →
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
Comparar com EPF8820ATC144-15 →
Altera
Package: 144-pin TQFP
Process Technology: 0.42 um CMOS SRAM
Configuration Method: Serial or parallel EPROM, EPC1/EPC1213/EPC1064/EPC1441
Comparar com EPF8820ATC144-15 →
Intel
Package: 144-LQFP (TQFP)
Process Technology: 0.42 um CMOS
Configuration Method: Passive serial / JTAG / EPC1/EPC1064/EPC1213/EPC1441
Comparar com EPF8820ATC144-15 →
Altera
Package: 144-pin TQFP
Process Technology: 0.42 µm CMOS
Configuration Method: SRAM, in-system reconfigurable (FLEX scheme)
Comparar com EPF8820ATC144-15 →
Intel
Package: 144-LQFP (also referred to as 144-TQFP, 20x20 mm)
Speed Grade: -3
Operating Temperature: 0 C to +70 C (commercial)
Comparar com EPF8820ATC144-15 →
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)
Comparar com EPF8820ATC144-15 →
Altera
Package: 144-LQFP (TQFP)
Process Technology: 0.42 um CMOS, 4-layer metal
Speed Grade: -8
Comparar com EPF8820ATC144-15 →

Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:

EPF8820ATC144-12

✅ Drop-In
Altera
📦 144-pin TQFP
FLEX 8000 · EPF8820A · 8,000 · 4,500 · 672 · 84 · 112 · -12 (slowest)

✓ Em estoque

$10.95 / unidade

Ver ficha técnica →

EPF8820ATC144-11

✅ Drop-In
Altera
📦 144-pin TQFP
FLEX 8000 · 8,000 · 672 · 112 · 144-pin TQFP (Plastic Thin Quad Flat Pack) · 20 mm x 20 mm, 0.5 mm pitch · 5.0 V nominal · 3.3 V or 5.0 V

✓ Em estoque

$23.1 / unidade

Ver ficha técnica →

EPF8820ATC144-10

✅ Drop-In
Altera
📦 144-pin TQFP
FLEX 8000 · approximately 8,000 · 672 · 84 · 112 · 10 ns (speed grade -10) · 0.42 µm CMOS

✓ Em estoque

$10.4 / unidade

Ver ficha técnica →

EPF8820ATC144-1

✅ Drop-In
Altera
📦 144-pin TQFP
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)

✓ Em estoque

$15.95 / unidade

Ver ficha técnica →

EPF8820ATC144-4

✅ Drop-In
Intel
📦 144-pin TQFP
FLEX 8000 · 672 · 84 · 8000 · 112 · 8000 · 125 MHz · 0.42 µm CMOS SRAM

✓ Em estoque

$11.1 / unidade

Ver ficha técnica →

EPF8820ATC144-15 Classificações máximas e características elétricas

Family FLEX 8000
Logic Elements (Cells) 672
Usable Gates 8000
Maximum User I/O 112
Speed Grade -15 (approx. 15 ns tpd)
Encapsulamento 144-pin TQFP (also marketed as LQFP)
Process Technology 5 V CMOS SRAM
Supply Voltage (Core) 5 V
I/O Voltage Support 3.3 V or 5.0 V (MultiVolt I/O)
Configuration Method Serial or parallel EPROM, JTAG
Configuration Devices EPC1, EPC1064, EPC1213, EPC1441
JTAG Support Yes (IEEE 1149.1 boundary scan)
In-Circuit Reconfigurability Yes (ICR via external controller)
Temperatura de operação 0 C to 70 C (commercial)
Tipo de montagem Surface Mount
Lead-Free / RoHS Lead-free / RoHS compliant (per distributor data)
Architecture Logic Array Blocks with FastTrack interconnect

Configuração de pinos do EPF8820ATC144-15

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
Pino 1 I/O — User I/O pin (bank 1)
Pino 2 I/O — User I/O pin (bank 1)
Pino 3 I/O — User I/O pin (bank 1)
Pino 4 I/O — User I/O pin (bank 1)
Pino 5 VCCINT — 5 V core supply
Pino 6 I/O — User I/O pin (bank 1)
Pino 7 I/O — User I/O pin (bank 1)
Pino 8 I/O — User I/O pin (bank 1)
Pino 9 I/O — User I/O pin (bank 1)
Pino 10 GND — Ground
Pino 11 I/O — User I/O pin (bank 1)
Pino 12 I/O — User I/O pin (bank 1)
Pino 13 I/O — User I/O pin (bank 1)
Pino 14 I/O — User I/O pin (bank 1)
Pino 15 TDI — JTAG Test Data In
Pino 16 TMS — JTAG Test Mode Select
Pino 17 TCK — JTAG Test Clock
Pino 18 I/O — User I/O pin (bank 1)
Pino 19 I/O — User I/O pin (bank 1)
Pino 20 I/O — User I/O pin (bank 1)
Pino 21 VCCIO — I/O supply voltage (3.3 V or 5 V)
Pino 22 I/O — User I/O pin (bank 2)
Pino 23 I/O — User I/O pin (bank 2)
Pino 24 I/O — User I/O pin (bank 2)
Pino 25 I/O — User I/O pin (bank 2)
Pino 26 I/O — User I/O pin (bank 2)
Pino 27 I/O — User I/O pin (bank 2)
Pino 28 GND — Ground
Pino 29 I/O — User I/O pin (bank 2)
Pino 30 I/O — User I/O pin (bank 2)
Pino 31 I/O — User I/O pin (bank 2)
Pino 32 I/O — User I/O pin (bank 2)
Pino 33 I/O — User I/O pin (bank 2)
Pino 34 I/O — User I/O pin (bank 2)
Pino 35 VCCINT — 5 V core supply
Pino 36 I/O — User I/O pin (bank 2)
Pino 37 I/O — User I/O pin (bank 2)
Pino 38 nCONFIG — Configuration control (active low)
Pino 39 nSTATUS — Configuration status (active low)
Pino 40 CONF_DONE — Configuration done indicator
Pino 41 DCLK — Configuration clock input
Pino 42 DATA0 — Configuration data input
Pino 43 I/O — User I/O pin (bank 3)
Pino 44 I/O — User I/O pin (bank 3)
Pino 45 I/O — User I/O pin (bank 3)
Pino 46 GND — Ground
Pino 47 I/O — User I/O pin (bank 3)
Pino 48 I/O — User I/O pin (bank 3)
Pino 49 I/O — User I/O pin (bank 3)
Pino 50 I/O — User I/O pin (bank 3)
Pino 51 I/O — User I/O pin (bank 3)
Pino 52 VCCIO — I/O supply voltage (3.3 V or 5 V)
Pino 53 I/O — User I/O pin (bank 3)
Pino 54 I/O — User I/O pin (bank 3)
Pino 55 I/O — User I/O pin (bank 3)
Pino 56 I/O — User I/O pin (bank 3)
Pino 57 I/O — User I/O pin (bank 3)
Pino 58 I/O — User I/O pin (bank 3)
Pino 59 GND — Ground
Pino 60 I/O — User I/O pin (bank 4)
Pino 61 I/O — User I/O pin (bank 4)
Pino 62 I/O — User I/O pin (bank 4)
Pino 63 I/O — User I/O pin (bank 4)
Pino 64 I/O — User I/O pin (bank 4)
Pino 65 I/O — User I/O pin (bank 4)
Pino 66 VCCINT — 5 V core supply
Pino 67 I/O — User I/O pin (bank 4)
Pino 68 I/O — User I/O pin (bank 4)
Pino 69 I/O — User I/O pin (bank 4)
Pino 70 I/O — User I/O pin (bank 4)
Pino 71 I/O — User I/O pin (bank 4)
Pino 72 I/O — User I/O pin (bank 4)
Pino 73 GND — Ground
Pino 74 I/O — User I/O pin (bank 4)
Pino 75 I/O — User I/O pin (bank 4)
Pino 76 I/O — User I/O pin (bank 4)
Pino 77 I/O — User I/O pin (bank 4)
Pino 78 I/O — User I/O pin (bank 4)
Pino 79 VCCIO — I/O supply voltage (3.3 V or 5 V)
Pino 80 I/O — User I/O pin (bank 5)
Pino 81 I/O — User I/O pin (bank 5)
Pino 82 I/O — User I/O pin (bank 5)
Pino 83 I/O — User I/O pin (bank 5)
Pino 84 I/O — User I/O pin (bank 5)
Pino 85 I/O — User I/O pin (bank 5)
Pino 86 GND — Ground
Pino 87 I/O — User I/O pin (bank 5)
Pino 88 I/O — User I/O pin (bank 5)
Pino 89 I/O — User I/O pin (bank 5)
Pino 90 I/O — User I/O pin (bank 5)
Pino 91 I/O — User I/O pin (bank 5)
Pino 92 I/O — User I/O pin (bank 5)
Pino 93 VCCINT — 5 V core supply
Pino 94 I/O — User I/O pin (bank 5)
Pino 95 I/O — User I/O pin (bank 5)
Pino 96 I/O — User I/O pin (bank 5)
Pino 97 I/O — User I/O pin (bank 5)
Pino 98 I/O — User I/O pin (bank 5)
Pino 99 I/O — User I/O pin (bank 5)
Pino 100 GND — Ground
Pino 101 I/O — User I/O pin (bank 6)
Pino 102 I/O — User I/O pin (bank 6)
Pino 103 I/O — User I/O pin (bank 6)
Pino 104 I/O — User I/O pin (bank 6)
Pino 105 I/O — User I/O pin (bank 6)
Pino 106 I/O — User I/O pin (bank 6)
Pino 107 VCCIO — I/O supply voltage (3.3 V or 5 V)
Pino 108 I/O — User I/O pin (bank 6)
Pino 109 I/O — User I/O pin (bank 6)
Pino 110 I/O — User I/O pin (bank 6)
Pino 111 I/O — User I/O pin (bank 6)
Pino 112 I/O — User I/O pin (bank 6)
Pino 113 I/O — User I/O pin (bank 6)
Pino 114 GND — Ground
Pino 115 I/O — User I/O pin (bank 6)
Pino 116 I/O — User I/O pin (bank 6)
Pino 117 I/O — User I/O pin (bank 6)
Pino 118 I/O — User I/O pin (bank 6)
Pino 119 I/O — User I/O pin (bank 6)
Pino 120 I/O — User I/O pin (bank 6)
Pino 121 VCCINT — 5 V core supply
Pino 122 I/O — User I/O pin (bank 7)
Pino 123 I/O — User I/O pin (bank 7)
Pino 124 I/O — User I/O pin (bank 7)
Pino 125 I/O — User I/O pin (bank 7)
Pino 126 I/O — User I/O pin (bank 7)
Pino 127 I/O — User I/O pin (bank 7)
Pino 128 GND — Ground
Pino 129 I/O — User I/O pin (bank 7)
Pino 130 I/O — User I/O pin (bank 7)
Pino 131 I/O — User I/O pin (bank 7)
Pino 132 I/O — User I/O pin (bank 7)
Pino 133 I/O — User I/O pin (bank 7)
Pino 134 I/O — User I/O pin (bank 7)
Pino 135 VCCIO — I/O supply voltage (3.3 V or 5 V)
Pino 136 I/O — User I/O pin (bank 7)
Pino 137 I/O — User I/O pin (bank 7)
Pino 138 I/O — User I/O pin (bank 7)
Pino 139 I/O — User I/O pin (bank 7)
Pino 140 I/O — User I/O pin (bank 7)
Pino 141 I/O — User I/O pin (bank 7)
Pino 142 GND — Ground
Pino 143 I/O — User I/O pin (bank 8)
Pino 144 TDO — JTAG Test Data Out

Aplicações típicas

EPF8820ATC144-15 é adequado para 6 aplicaçãos: Bus Interface Bridging, TTL Integration / Glue Logic Consolidation, Microprocessor Coprocessor Functions, High-Speed Industrial Controllers, Legacy System Replacement, DSP Pre/Post-Processing Glue Logic.

🌐

Bus Interface Bridging

The EPF8820ATC144-15 is well suited to bridge between 5 V and 3.3 V bus domains thanks to its MultiVolt I/O feature and 112 user I/Os. With 8,000 usable gates and 672 logic elements, the device can implement multi-byte bus transceivers, FIFO buffers, and protocol converters in a single chip. The 144-pin TQFP package exposes enough I/O to integrate multiple 32-bit buses simultaneously, replacing several discrete 74-series TTL packages and saving board area. The 15 ns tpd comfortably supports typical bus speeds up to approximately 25-30 MHz, covering most legacy parallel bus standards. Designers place the FPGA between the two bus domains with VCCIO tied to the lower-voltage rail, and use the configurable I/O standards for direction control.

🔧

TTL Integration / Glue Logic Consolidation

Designers use the EPF8820ATC144-15 to consolidate dozens of 74-series TTL gates, latches, and multiplexers into a single programmable device. With 672 logic elements and 112 I/Os, the FPGA can replace 15-30 standard SSI/MSI packages, reducing PCB real estate and improving reliability. The SRAM-based configuration supports unlimited design iterations during development, and the in-circuit reconfigurability (ICR) feature allows field upgrades via JTAG. The 5 V core and MultiVolt I/O keep the device compatible with legacy 5 V TTL systems. Power estimation for a typical 50%-utilized design is approximately 0.5-1.0 W, easily handled without heatsinking.

🏭

Microprocessor Coprocessor Functions

The EPF8820ATC144-15 can offload arithmetic, DMA control, or peripheral management tasks from a host microprocessor. With 672 registers and 8K gates, designers can implement custom instruction decoders, address generators, and timing-critical state machines alongside the CPU. The 112 I/Os provide ample address/data bus connectivity, and the 15 ns speed grade suits most mid-range embedded controllers. According to the FLEX 8000 datasheet, the LAB-based architecture with FastTrack routing delivers predictable timing for synchronous designs. Pair the FPGA with a host CPU and use JTAG for in-system debugging of the coprocessor logic.

⚡

High-Speed Industrial Controllers

Industrial control applications such as motor control, PLC scanning, and sensor aggregation benefit from the EPF8820ATC144-15's 112 I/Os and register-rich architecture. The 5 V supply tolerance is well matched to industrial 24 V-derived rails with regulation, and the commercial 0-70 C operating range covers most factory-floor enclosures. With 8K gates, the device can implement PID loops, encoder interfaces, and communication protocol stacks concurrently. The 144-pin TQFP package is robust for vibration-prone industrial environments and is compatible with standard SMT assembly lines.

🖥️

Legacy System Replacement

When end-of-life notices threaten production of mature 5 V designs, the EPF8820ATC144-15 serves as a form-fit-function alternative to discrete TTL or older PLDs. Because the FLEX 8000 family is mature, the device remains broadly available through authorized distributors and the secondary market, mitigating supply-chain risk. Designers port their schematic-level TTL design into the Altera MAX+PLUS II or Quartus tool flow and validate timing against the -15 grade budget. The same 144-pin TQFP footprint matches many older 144-pin PLCC and PGA FPGA packages, enabling drop-in PCB retrofit without board rework.

📺

DSP Pre/Post-Processing Glue Logic

The FLEX 8000 family datasheet explicitly highlights DSP, wide-data-path manipulation, and data transformation as target applications for the EPF8820ATC144-15. The 672 registers provide ample storage for sample buffering, address generation, and pipeline registers, while the 112 I/Os enable parallel data paths to external DSP chips. The 15 ns speed grade supports sample rates up to approximately 30-40 MHz for moderate-complexity glue logic, suitable for audio processing, video line buffering, and serial protocol framing. Designers pair the FPGA with a dedicated DSP and use the JTAG chain for combined debugging.

Resumo dos produtos recomendados

EPF8820ATC144-10 Altera Usado em: Bus Interface Bridging, High-Speed Industrial Controllers, DSP Pre/Post-Processing Glue Logic EPC1064 Serial configuration EPROM for FLEX 8000 family Usado em: Bus Interface Bridging, Legacy System Replacement EPF8820ATC144-12 Altera Usado em: TTL Integration / Glue Logic Consolidation, Legacy System Replacement EPC1 Altera 1-Mbit serial configuration device Usado em: TTL Integration / Glue Logic Consolidation EPF8820ATC144-11 Altera Usado em: Microprocessor Coprocessor Functions EPC1441 Larger configuration EPROM for complex bitstreams Usado em: Microprocessor Coprocessor Functions, DSP Pre/Post-Processing Glue Logic EPC1213 Configuration EPROM for production programming Usado em: High-Speed Industrial Controllers
What is the logic capacity of the EPF8820ATC144-15?
The EPF8820ATC144-15 provides approximately 8,000 usable gates and 672 logic elements (registers). According to the Altera FLEX 8000 datasheet family, the device is register-rich and well suited for bus-interface and TTL integration roles. The architecture uses Logic Array Blocks (LABs) of 8 LEs each with FastTrack continuous interconnect routing.
How many user I/O pins does the EPF8820ATC144-15 have?
The EPF8820ATC144-15 has 112 user I/O pins in the 144-pin TQFP package. Per the FLEX 8000 datasheet, the remaining pins are reserved for power, ground, JTAG, and dedicated configuration. The 112 I/Os are sufficient to integrate multiple 32-bit buses on a single device, replacing several discrete TTL packages.
What is the speed grade of EPF8820ATC144-15?
The -15 suffix indicates approximately 15 ns pin-to-pin combinational delay (tpd), placing this variant in the mid-speed tier of the FLEX 8000 family. Per Altera datasheet conventions, the -15 grade supports internal clock frequencies up to approximately 60-80 MHz depending on design density. Faster -10 and -4 grades are available in the same package for tighter timing closure.
What supply voltage does EPF8820ATC144-15 require?
The EPF8820ATC144-15 operates from a 5 V core supply and supports MultiVolt I/O, allowing output signals at either 3.3 V or 5.0 V on the same die. According to the FLEX 8000 datasheet, VCCIO must be tied to the appropriate rail (3.3 V or 5 V) for the desired output logic level. This makes it compatible with mixed-voltage system designs.
Where to buy EPF8820ATC144-15 online?
The EPF8820ATC144-15 is available through major distributors including DigiKey, Mouser, Arrow, and authorized Altera/Intel partners, as well as specialized obsolete-component brokers like FPGAkey. As of 2026-09-12, lead times may vary because the FLEX 8000 family is mature; check real-time stock before placing orders. For volume needs, request quotes from authorized Altera distributors.
What is the price of EPF8820ATC144-15?
Pricing for the EPF8820ATC144-15 as of 2026-09-12 typically ranges from approximately $19.50 per unit at 1000-piece quantities to $35 per unit at single-piece quantities, based on distributor and broker listings. The mature FLEX 8000 family is widely available on the secondary market. Always request fresh quotes from authorized distributors for current volume pricing.
What is the lead time for EPF8820ATC144-15?
Lead time for the EPF8820ATC144-15 as of 2026-09-12 depends on stock availability at the chosen distributor. Authorized distributors typically ship from stock within 1-3 business days, while specialty brokers may require 4-8 weeks for large orders. The FLEX 8000 family is in NRND status, so designers should verify lifecycle and stockpile for long-term production.
Is EPF8820ATC144-15 the same as EPF8820ATC144-10?
No, the EPF8820ATC144-15 and EPF8820ATC144-10 are different speed grades of the same FLEX 8000 device in the same 144-pin TQFP package. The -10 speed grade has approximately 10 ns tpd (faster), while the -15 has approximately 15 ns tpd (slower). They are pin-compatible drop-in alternatives, but timing closure depends on which grade is selected.
EPF8820ATC144-15 vs EPF8820ATC144-12 - which is better for high-speed control?
For high-speed control applications, the EPF8820ATC144-12 (approx. 12 ns tpd) is faster than the EPF8820ATC144-15 (approx. 15 ns tpd). Both share the same 144-pin TQFP package and 8K-gate / 672 LE logic capacity. Choose -12 when your design requires tighter timing margins; choose -15 when cost is the primary constraint and timing is not critical.
When should I choose EPF8820ATC144-15 over a faster FLEX 8000 grade?
Choose the EPF8820ATC144-15 when your design does not require the maximum timing margin and you want a lower-cost option. The -15 grade is the slowest standard speed grade and typically the least expensive. Per the FLEX 8000 datasheet, if your critical path is comfortably under 15 ns, the -15 grade saves money. Switch to -10, -4, or -3 if timing closure is tight.
Can EPF8820ATC144-12 replace EPF8820ATC144-15 in an existing design?
Yes, the EPF8820ATC144-12 is a drop-in replacement for the EPF8820ATC144-15 in the same 144-pin TQFP package. Both share identical logic capacity (672 LEs / 8K gates) and 112 user I/Os. The only difference is speed grade - the -12 is faster (approx. 12 ns tpd vs 15 ns), so timing improves without any board rework or firmware changes.
What is the best drop-in replacement for EPF8820ATC144-15?
The best drop-in replacement for the EPF8820ATC144-15 is the EPF8820ATC144-12, which shares the same 144-pin TQFP package, 672 logic elements, and 112 user I/Os, but offers a faster 12 ns speed grade. The EPF8820ATC144-10 and EPF8820ATC144-11 are also drop-in compatible. All variants differ only in speed grade, with identical pinouts.
Where to download EPF8820ATC144-15 datasheet PDF?
The EPF8820ATC144-15 datasheet is available from Altera/Intel via archived FLEX 8000 family documentation. Authorized distributors such as FPGAkey and alterasemi.com host PDF copies of the FLEX 8000 datasheet covering all speed grades including -15. According to distributor listings, the datasheet describes the FLEX 8000 architecture, configuration, and electrical specifications.
Where to find EPF8820ATC144-15 pinout information?
The EPF8820ATC144-15 pinout is documented in the FLEX 8000 family datasheet available from Altera/Intel and through distributor archives. The 144-pin TQFP package follows JEDEC standard pin numbering with pin 1 marked by the dot/indicator on the package top. Key signals include dedicated configuration pins (nCONFIG, nSTATUS, CONF_DONE, DCLK, DATA0) and JTAG pins (TCK, TMS, TDI, TDO).
What are the key specifications of EPF8820ATC144-15 that engineers should know?
The EPF8820ATC144-15 has 8,000 usable gates, 672 logic elements, 112 user I/Os, and a 15 ns speed grade in a 144-pin TQFP package. It operates from a 5 V core supply with 3.3 V or 5 V MultiVolt I/O. Configuration is via serial/parallel EPROM or JTAG, supporting EPC1, EPC1064, EPC1213, EPC1441 devices. The FLEX 8000 family uses SRAM-based configuration with in-circuit reconfigurability.

Dados de referência de engenharia para EPF8820ATC144-15 — comparação, orientação de projeto e informações de conformidade.

Guia de seleção

Choose the EPF8820ATC144-15 when your design fits comfortably within a 15 ns critical-path budget and you want a cost-optimized 5 V FPGA in a 144-pin TQFP. It is ideal for bus-interface bridges, TTL integration, coprocessor functions, and moderate-speed industrial controllers. Switch to EPF8820ATC144-12 (~12 ns) if you need approximately 20% more timing margin without changing the board. Choose EPF8820ATC144-10 (~10 ns) for tighter timing closure, or EPF8820ATC144-4 (~4 ns) for high-performance designs. All these alternatives share the same 144-pin TQFP footprint, identical 672 logic elements, and 112 user I/Os, so the decision is purely a speed-versus-cost trade-off. Because the FLEX 8000 family is in NRND status, verify long-term supply before committing to new production.

Comparação com alternativas

Parâmetro Este produto EPF8820ATC144-12 EPF8820ATC144-11 EPF8820ATC144-10 EPF8820ATC144-1 EPF8820ATC144-4
Package 144-pin TQFP 144-pin TQFP - same 144-pin TQFP - same 144-pin TQFP - same 144-pin TQFP - same 144-pin TQFP - same
Brand Altera Altera - same Altera - same Altera - same Altera - same Altera - same
Family FLEX 8000 FLEX 8000 - same FLEX 8000 - same FLEX 8000 - same FLEX 8000 - same FLEX 8000 - same
Speed Grade (tpd) -15 (~15 ns) -12 (~12 ns, faster) -11 (~11 ns, faster) -10 (~10 ns, faster) -1 (~1 ns, fastest) -4 (~4 ns, much faster)
Logic Elements 672 672 - same 672 - same 672 - same 672 - same 672 - same
Usable Gates 8,000 8,000 - same 8,000 - same 8,000 - same 8,000 - same 8,000 - same
User I/O 112 112 - same 112 - same 112 - same 112 - same 112 - same
Supply Voltage 5 V core, 3.3/5 V I/O 5 V core, 3.3/5 V I/O - same 5 V core, 3.3/5 V I/O - same 5 V core, 3.3/5 V I/O - same 5 V core, 3.3/5 V I/O - same 5 V core, 3.3/5 V I/O - same
Lifecycle Status NRND NRND NRND NRND NRND NRND

Principais diferenciais

  • Slower speed grade at lower cost (vs EPF8820ATC144-12)
  • Mid-tier speed grade for cost-sensitive designs (vs EPF8820ATC144-10)
  • Highest-cost option offering maximum speed margin (vs EPF8820ATC144-1)

Notas de projeto

The EPF8820ATC144-15 requires a stable 5 V VCCINT and a separate VCCIO rail (3.3 V or 5 V). Decouple each VCCINT pin with a 0.1 uF ceramic capacitor placed within 5 mm of the pin, and add a bulk 10-47 uF tantalum or aluminum polymer capacitor near the device. Estimated: at 50% LE utilization with typical 25 MHz toggle rate, expect 0.5-1.0 W core dissipation - verify with worst-case test vectors because SRAM-based FPGAs draw power proportional to switching activity.

The 144-pin TQFP package has a 0.5 mm pitch and requires precise PCB land pattern per JEDEC MS-026. Use 4-layer board with continuous ground plane under the device for signal integrity and thermal dissipation. Route JTAG signals (TCK, TMS, TDI, TDO) with controlled impedance and keep them short. Configuration signals (nCONFIG, nSTATUS, CONF_DONE, DCLK, DATA0) should be guarded from noisy nets; route DCLK as a short, clean trace because timing skew corrupts the configuration bitstream.

Do not leave VCCIO floating - tie it to either 3.3 V or 5 V before power-up, or the I/O buffers will be in an undefined state and may source/sink excessive current. The MultiVolt I/O feature is per-bank on larger packages but the EPF8820ATC144-15 typically groups all I/Os into one VCCIO rail, so the entire bank must operate at the same voltage. Also, do not confuse speed grade -15 (15 ns tpd) with -1 (1 ns tpd); same package, very different timing - always re-run static timing analysis when substituting.

For configuration with EPC1/EPC1064 series devices, place the configuration EPROM within 50 mm of the FPGA and route DATA0 directly with no stubs. If using JTAG for in-system programming, daisy-chain the JTAG signals (TCK, TMS, TDI, TDO) across all programmable devices on the board and add a 10 kohm pull-up on TCK, TMS, TDI to VCCIO per IEEE 1149.1 recommendations. The TDO pin does not require a pull-up because it is actively driven.

Informações de conformidade

RoHS
Compliant
REACH
Unknown
AEC-Q100
Not Applicable
Sem chumbo
Yes
Sem halogênios
Unknown
Minerais de conflito
Unknown

RoHS compliant and lead-free per distributor listings (Alibaba and Alterasemi datasheet references). REACH, halogen-free, and conflict-mineral declarations not stated in the verified web data.

Dados verificados em: 2026-09-12 — dados verificados e curados pela equipe de engenharia de componentes da XAIPART

Buscas relacionadas

EPF8820ATC144-15 EPF8820ATC144-15 datasheet Altera FLEX 8000 EPF8820A EPF8820ATC144 144-pin TQFP FPGA EPF8820ATC144-15 vs EPF8820ATC144-12 EPF8820ATC144-15 drop-in replacement buy EPF8820ATC144-15 EPF8820ATC144-15 price lead time 5 V CMOS SRAM FPGA 672 logic elements FLEX 8000 MultiVolt I/O bus bridge how to configure FLEX 8000 EPC1 EPC1064 EPF8820ATC144-15 pinout JTAG

Componentes & termos relacionados

Altera Intel EPF8820ATC144-15 EPF8820ATC144-12 EPF8820ATC144-11 EPF8820ATC144-10 EPF8820ATC144-1 EPF8820ATC144-4 FLEX 8000 FPGA Field Programmable Gate Array Programmable Logic Device PLD CMOS SRAM TQFP LQFP JEDEC MS-026 MultiVolt I/O JTAG IEEE 1149.1 EPC1 EPC1064 EPC1213 EPC1441 Logic Array Block FastTrack interconnect Logic Element RoHS AEC-Q100 bus interface bridge TTL integration coprocessor industrial controller
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