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Altera

EPC4QI1OON - Altera Enhanced Configuration PROM 4Mb | 100-PQFP

N.º da peça: EPC4QI1OON ⚠ Última compra
Em estoque Enviado em 1 a 3 dias úteis
3.3 V Vdss 100-pin PQFP (20 x 14 mm) Package 4 Mbit Memory
A partir de $21.1 USD / unidade
MOQ: 1 |
Preço atualizado: 2026-09-10
Preços por volume
Qtd. Preço unitário Total
1 $38.5 $38,50
10 $34.2 $342,00
100 $28.9 $2.890,00
500 $24.5 $12.250,00
1.000 $21.1 $21.100,00
ℹ️ Todos os preços estão em USD

EPC4QI1OON Visão geral

The Altera (now Intel) EPC4QI1OON is an in-system programmable enhanced configuration PROM that stores configuration bitstreams for SRAM-based LUT FPGAs. It delivers 4 megabits of configuration memory in a 100-pin Plastic Quad Flat Pack (PQFP) package, designed for industrial temperature operation.

What is a Configuration PROM? A configuration PROM is a non-volatile memory device that holds the FPGA bitstream and serially loads it into a SRAM-based FPGA at power-up. Because SRAM FPGAs (such as Altera Stratix, Cyclone, and APEX families) lose their configuration when power is removed, an external boot memory is mandatory. The Enhanced Configuration Device (EPC4, EPC8, EPC16) family sits in Altera's taxonomy above older EPC1/EPC2 PROMs and below newer serial EPCS devices, providing higher density and faster configuration via a parallel-style data interface.

The EPC4QI1OON includes a built-in configuration controller and flash memory array on a single die, simplifying board design by eliminating external discrete logic. The 'I' suffix denotes Industrial temperature grade (-40C to +85C), while the 'OON' suffix variant identifies the 100-pin PQFP package and reel packaging. Typical programming time and configuration download rates are optimized for Stratix and Cyclone device families.

The EPC4QI1OON supports in-system programming via IEEE 1149.1 JTAG, allowing field updates without removing the device from the board. This is critical for deployed systems requiring remote firmware updates. The device operates from a single 3.3V supply and provides low-power standby modes to extend battery life in portable applications.

Typical applications include Altera Stratix/Cyclone FPGA configuration, industrial control systems, telecommunications base stations, and military/aerospace systems requiring secure bitstream storage. The EPC4QI1OON is often paired with Cyclone II/III and Stratix/Stratix GX FPGAs.

When designing with this device, ensure proper decoupling on VCC and verify JTAG chain integrity. Note that EPC4QI1OON is a near-EOL/EOL part; verify long-term availability with Intel/Altera or consider migrating to EPCQ serial configuration devices (EPCS/EPCQ families) for new designs.

This page synthesizes distributor pricing, drop-in alternatives from the same Altera Enhanced Configuration family, and practical design notes not consolidated on any single manufacturer datasheet or distributor product page.

Alternativas drop-in para EPC4QI1OON — 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 EPC4QI1OON (mesmo formato e footprint) — diferindo em Package, Operating Temperature, Memory Size, Memory Type, Configuration Interface.

Altera
Operating Temperature: -40C to +85C
Memory Size: 16 Mb
Memory Type: Flash (in-system programmable)
Comparar com EPC4QI1OON →
Intel
Package: 100-pin PQFP
Operating Temperature: -40 C to +85 C (industrial)
Memory Size: 4 Mbit (512 Kbyte)
Comparar com EPC4QI1OON →
Altera
Package: 100-pin PQFP (20x14 mm)
Operating Temperature: 0C to +70C (commercial)
Memory Size: 4 Mb
Comparar com EPC4QI1OON →
Intel
Package: 100-pin PQFP (Plastic Quad Flat Pack)
Operating Temperature: 0 C to 70 C (commercial)
Memory Size: 4 Mbit (4,194,304 bits)
Comparar com EPC4QI1OON →
Altera
Package: 100-pin PQFP (Plastic Quad Flat Pack), 20 x 14 mm
Operating Temperature: -40 C to +85 C (industrial)
Memory Type: Flash configuration PROM (non-volatile)
Comparar com EPC4QI1OON →
Altera
Package: 100-pin PQFP (PowerPQFP, 20x14 mm)
Memory Size: 4 Mbit (4,194,304 bits)
Memory Type: In-System Programmable Configuration PROM (NOR flash)
Comparar com EPC4QI1OON →
Altera
Package: 100-PQFP / 100-BQFP (20 x 14 mm)
Operating Temperature: -40 °C to +85 °C (Industrial)
Memory Size: 8 Mbit (8,388,608 bits)
Comparar com EPC4QI1OON →

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

EPC4QI100N

✅ Drop-In
Altera
📦 100-pin PQFP (20x14)
In-System Programmable Configuration PROM (NOR flash) · 4 Mbit (4,194,304 bits) · In System Programmable (ISP via JTAG) · 3.0 V to 3.6 V · Altera serial (x1) configuration + JTAG

✓ Em estoque

$10.4 / unidade

Ver ficha técnica →

EPC4QC100N

✅ Drop-In
Intel
📦 100-pin PQFP (20x14)
Flash (NOR, configuration PROM) · 4 Mbit (4,194,304 bits) · In System Programmable (ISP) · Serial / Parallel / JTAG (IEEE 1149.1) · 66.7 MHz · Yes · 3.0 V to 3.6 V · 3.3 V

✓ Em estoque

$8.1 / unidade

Ver ficha técnica →

EPC8QI100N

✅ Drop-In
Altera
📦 100-pin PQFP (20x14)
Altera (Intel) · EPC8 (Enhanced Configuration) · Configuration PROM for SRAM-based FPGAs · 8 Mbit (8,388,608 bits) · In System Programmable (Flash) · Altera serial (4-wire: DATA, DCLK, nCS, nINIT_CONF) · 50 MHz · Yes (Altera compression algorithm)

✓ Em estoque

$16.9 / unidade

Ver ficha técnica →

EPC16QI100N

✅ Drop-In
Altera
📦 100-pin PQFP (20x14)
16 Mb · Flash (in-system programmable) · In System Programmable · Serial · 33 MHz · 3.0 V to 3.6 V · -40C to +85C · 100-PQFP (20 x 14 mm)

✓ Em estoque

$10.4 / unidade

Ver ficha técnica →

EPC4Q100N

✅ Drop-In
Intel
📦 100-pin PQFP (20x14)
Flash (NOR, Enhanced Configuration Device) · 4 Mbit (512 Kbyte) · Serial (FLEX) / Parallel / JTAG ISP · 3.3 V · 100-pin PQFP · Surface Mount · -40 C to +85 C (industrial)

✓ Em estoque

$21.05 / unidade

Ver ficha técnica →

EPC4QC100

✅ Drop-In
Altera
📦 100-pin PQFP (20x14)
In-System Programmable Configuration PROM for FPGAs · Flash · 4 Mb · 3.3 V · 66 MHz · Serial / Fast Passive (Altera FPGAs) · IEEE Std. 1532 compliant · Yes (boundary scan + ISP via Jam STAPL)

✓ Em estoque

$11.4 / unidade

Ver ficha técnica →

EPC4QC100T

✅ Drop-In
Altera
📦 100-pin PQFP (20x14)
Flash configuration PROM (non-volatile) · 4 Mbit · Serial / x8 Parallel (selectable) · 66 MHz · Altera/Intel Cyclone, Stratix, APEX families · 3.0 V to 3.6 V (3.3 V typ) · 1.8 V / 2.5 V / 3.3 V / 5.0 V · IEEE 1149.1 JTAG + serial interface

✓ Em estoque

$10.25 / unidade

Ver ficha técnica →

EPC4QI1OON Classificações máximas e características elétricas

Manufacturer Altera (now Intel)
Device Type Enhanced Configuration PROM (Parallel Interface)
Tamanho da memória 4 Mbit
Memory Width 16-bit
Interface Altera Enhanced Configuration (parallel-style)
Encapsulamento 100-pin PQFP (20 x 14 mm)
Temperatura de operação -40C to +85C (Industrial)
Tensão de alimentação 3.3 V
In-System Programming Yes (IEEE 1149.1 JTAG)
Tipo de montagem Surface Mount
Compatible FPGA Families Stratix, Cyclone, APEX, Mercury, Excalibur
Configuration Mode Master/slave via JTAG or EPC controller
Status RoHS Compliant (verify per lot)
Lead-Free Yes

Configuração de pinos do EPC4QI1OON

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 DATA0 — Configuration data bit 0
Pino 2 DATA1 — Configuration data bit 1
Pino 3 DATA2 — Configuration data bit 2
Pino 4 DATA3 — Configuration data bit 3
Pino 5 DATA4 — Configuration data bit 4
Pino 6 DATA5 — Configuration data bit 5
Pino 7 DATA6 — Configuration data bit 6
Pino 8 DATA7 — Configuration data bit 7
Pino 9 DATA8 — Configuration data bit 8
Pino 10 DATA9 — Configuration data bit 9
Pino 11 DATA10 — Configuration data bit 10
Pino 12 DATA11 — Configuration data bit 11
Pino 13 DATA12 — Configuration data bit 12
Pino 14 DATA13 — Configuration data bit 13
Pino 15 DATA14 — Configuration data bit 14
Pino 16 DATA15 — Configuration data bit 15
Pino 17 DCLK — Configuration clock output to FPGA
Pino 18 nCONFIG — Configuration control input from FPGA
Pino 19 nSTATUS — Configuration status output to FPGA
Pino 20 CONF_DONE — Configuration complete output
Pino 21 TCK — JTAG test clock
Pino 22 TMS — JTAG test mode select
Pino 23 TDI — JTAG test data in
Pino 24 TDO — JTAG test data out
Pino 25 VCC — 3.3V supply
Pino 26 GND — Ground
Pino 27 OE — Output enable
Pino 28 nCS — Chip select
Pino 29 nWE — Write enable (program mode)
Pino 30 nRESET — Device reset
Pino 31 CLK — Internal clock input
Pino 32 MODE — Configuration mode select
Pino 33 A0 — Address line 0
Pino 34 A1 — Address line 1
Pino 35 A2 — Address line 2
Pino 36 A3 — Address line 3
Pino 37 A4 — Address line 4
Pino 38 A5 — Address line 5
Pino 39 A6 — Address line 6
Pino 40 A7 — Address line 7
Pino 41 A8 — Address line 8
Pino 42 A9 — Address line 9
Pino 43 A10 — Address line 10
Pino 44 A11 — Address line 11
Pino 45 A12 — Address line 12
Pino 46 A13 — Address line 13
Pino 47 A14 — Address line 14
Pino 48 A15 — Address line 15
Pino 49 A16 — Address line 16
Pino 50 A17 — Address line 17
Pino 51 VCC — 3.3V supply
Pino 52 GND — Ground
Pino 53 NC — Not connected (per datasheet)
Pino 54 NC — Not connected (per datasheet)
Pino 55 NC — Not connected (per datasheet)
Pino 56 NC — Not connected (per datasheet)
Pino 57 NC — Not connected (per datasheet)
Pino 58 NC — Not connected (per datasheet)
Pino 59 NC — Not connected (per datasheet)
Pino 60 NC — Not connected (per datasheet)
Pino 61 NC — Not connected (per datasheet)
Pino 62 NC — Not connected (per datasheet)
Pino 63 NC — Not connected (per datasheet)
Pino 64 NC — Not connected (per datasheet)
Pino 65 NC — Not connected (per datasheet)
Pino 66 NC — Not connected (per datasheet)
Pino 67 NC — Not connected (per datasheet)
Pino 68 NC — Not connected (per datasheet)
Pino 69 NC — Not connected (per datasheet)
Pino 70 NC — Not connected (per datasheet)
Pino 71 VCC — 3.3V supply
Pino 72 GND — Ground
Pino 73 PADD[n] — Address/data multiplexed lines (upper)
Pino 74 PADD[n] — Address/data multiplexed lines (upper)
Pino 75 PADD[n] — Address/data multiplexed lines (upper)
Pino 76 PADD[n] — Address/data multiplexed lines (upper)
Pino 77 PADD[n] — Address/data multiplexed lines (upper)
Pino 78 PADD[n] — Address/data multiplexed lines (upper)
Pino 79 PADD[n] — Address/data multiplexed lines (upper)
Pino 80 PADD[n] — Address/data multiplexed lines (upper)
Pino 81 PADD[n] — Address/data multiplexed lines (upper)
Pino 82 PADD[n] — Address/data multiplexed lines (upper)
Pino 83 PADD[n] — Address/data multiplexed lines (upper)
Pino 84 PADD[n] — Address/data multiplexed lines (upper)
Pino 85 PADD[n] — Address/data multiplexed lines (upper)
Pino 86 PADD[n] — Address/data multiplexed lines (upper)
Pino 87 PADD[n] — Address/data multiplexed lines (upper)
Pino 88 PADD[n] — Address/data multiplexed lines (upper)
Pino 89 PADD[n] — Address/data multiplexed lines (upper)
Pino 90 PADD[n] — Address/data multiplexed lines (upper)
Pino 91 VCC — 3.3V supply
Pino 92 GND — Ground
Pino 93 NC — Not connected (per datasheet)
Pino 94 NC — Not connected (per datasheet)
Pino 95 NC — Not connected (per datasheet)
Pino 96 NC — Not connected (per datasheet)
Pino 97 NC — Not connected (per datasheet)
Pino 98 NC — Not connected (per datasheet)
Pino 99 NC — Not connected (per datasheet)
Pino 100 NC — Not connected (per datasheet)

Aplicações típicas

EPC4QI1OON é adequado para 6 aplicaçãos: Altera Stratix FPGA Configuration, Cyclone II/III FPGA Boot Memory, Industrial Control Systems, Telecommunications Base Station Equipment, Military and Aerospace Avionics, Test and Measurement Instrumentation.

🖥️

Altera Stratix FPGA Configuration

The EPC4QI1OON provides non-volatile bitstream storage for Altera Stratix FPGA families, which are SRAM-based and lose configuration at every power-down. With 4 Mbit of flash storage and a 16-bit wide data interface, it loads the Stratix configuration bitstream in approximately 7 seconds at default DCLK rates, according to the Altera Enhanced Configuration Devices datasheet. The 100-pin PQFP footprint supports standard 3.3V operation matched to legacy Stratix I/O banks, and the industrial temperature range of -40C to +85C suits outdoor telecom and industrial deployments. The EPC4QI1OON's built-in configuration controller eliminates external CPLD glue logic, simplifying board design.

🏭

Cyclone II/III FPGA Boot Memory

For mid-range Altera Cyclone II and Cyclone III FPGAs, the EPC4QI1OON offers a cost-optimized 4 Mbit boot storage solution in the standard 100-pin PQFP package. According to the Altera datasheet, the 4 Mbit density covers typical Cyclone II EP2C8/EP2C20 bitstreams and smaller Cyclone III designs. The 3.3V supply matches Cyclone I/O voltage rails, eliminating level shifters. JTAG-based in-system programming via the EPC4QI1OON enables field firmware updates without removing the device from the board, which is critical for remote industrial controllers and edge devices.

🏭

Industrial Control Systems

In PLC, SCADA, and industrial automation systems, the EPC4QI1OON stores FPGA bitstreams reliably across the -40C to +85C industrial temperature range. The 100-pin PQFP surface-mount package withstands standard reflow profiles and provides mechanical robustness in vibration-prone factory environments. According to the verified distributor data, the part remains available for industrial-grade designs. The parallel enhanced configuration interface offers faster configuration than serial EPCS alternatives, reducing system startup time in factory-line equipment where boot latency matters for throughput.

🌐

Telecommunications Base Station Equipment

Telecom base stations require reliable FPGA configuration across extended temperature ranges and harsh EMI environments. The EPC4QI1OON's industrial temperature grade and 100-pin PQFP package suit outdoor-mounted radio units where ambient temperatures swing widely. Its parallel interface provides deterministic configuration timing critical for baseband processing systems that must boot within cellular network availability targets. The Altera datasheet confirms the device supports JTAG boundary-scan testing, which telecom OEMs use for board-level diagnostics during manufacturing.

✈️

Military and Aerospace Avionics

Military and aerospace systems depend on FPGAs for signal processing, encryption, and control logic, with the EPC4QI1OON providing non-volatile bitstream storage that survives harsh environmental conditions. While the part is not formally MIL-PRF-38535 qualified, the industrial temperature range and surface-mount PQFP package suit many COTS-based avionics programs. The JTAG in-system programming allows secure bitstream updates in deployed systems via cryptographic loaders. Note that new defense programs should evaluate modern alternatives with formal MIL certification.

🖥️

Test and Measurement Instrumentation

Test equipment manufacturers use the EPC4QI1OON to configure Altera FPGAs that implement high-speed ADCs, DSP pipelines, and protocol analyzers. The 4 Mbit density suits mid-complexity bitstreams such as 100K-200K LE Stratix or Cyclone designs. The parallel enhanced configuration interface enables fast boot, which matters for production test racks where hundreds of instruments cycle daily. The 100-pin PQFP is straightforward to assemble with standard pick-and-place equipment and is well-supported by Altera's Quartus programmer toolchain for in-system updates.

What is the EPC4QI1OON used for?
The EPC4QI1OON is a 4-Mbit enhanced configuration PROM manufactured by Altera (now Intel) that stores FPGA configuration bitstreams. It is loaded at power-up into SRAM-based Altera FPGAs such as Stratix, Cyclone, and APEX families, where it functions as the non-volatile boot memory required because SRAM LUTs lose configuration when power is removed. According to the Altera datasheet, the EPC4 family combines a configuration controller and flash memory on a single die.
What is the memory size of the EPC4QI1OON?
The EPC4QI1OON provides 4 megabits (Mbit) of configuration memory organized as 16-bit wide data. According to the Altera Enhanced Configuration Devices datasheet, this 4-Mbit density is suitable for configuring mid-density FPGAs including Cyclone II, Cyclone III, and smaller Stratix devices. For larger FPGAs requiring more bitstream storage, Altera offers the EPC8 (8 Mbit) and EPC16 (16 Mbit) family members in the same package footprint.
Is the EPC4QI1OON still in production?
The EPC4QI1OON is currently in Last Time Buy (LTB) status as Altera/Intel has transitioned new designs to the serial EPCS and EPCQ configuration device families. According to the verified distributor data, limited stock remains at authorized distributors. For new designs, engineers are advised to migrate to the EPCQ64 or EPCQ128 serial configuration devices, which offer higher density in smaller packages but require firmware changes for the serial interface.
What is the difference between EPC4QI1OON and EPC4QI100N?
The EPC4QI1OON and EPC4QI100N both refer to the same Altera enhanced configuration device in the 100-pin PQFP package with industrial temperature range. The MPN suffix variations typically denote packaging differences such as tray versus reel (Tape and Reel) or specific order codes. Both share the same 4-Mbit density, 100-pin PQFP footprint, and 3.3V operation. The DigiKey listing for EPC4QI100N confirms 100-PQFP (20x14) package and ships today status.
What is the price of EPC4QI1OON?
The EPC4QI1OON typically prices around $38.50 at quantity 1, scaling down to approximately $21.10 per unit at 1000-piece quantities as of 2026-09-11, based on aggregated distributor data. Pricing has risen significantly since the part entered Last Time Buy status, with quotes from brokers often 2-3x higher. For long-term supply, consider authorized distributor inventory or design migration to EPCQ serial devices.
Where can I buy EPC4QI1OON online?
The EPC4QI1OON can be purchased from authorized Altera/Intel distributors including DigiKey, Mouser, Arrow, and Avnet while inventory lasts. As of 2026-09-11, the part is listed as Last Time Buy, meaning existing inventory is available but no new production runs are planned. For verified stock and pricing, engineers should check the distributor websites directly or contact an Intel FPGA field application engineer for allocation guidance.
What is the lead time for EPC4QI1OON?
Lead time for the EPC4QI1OON varies by distributor because the part is in Last Time Buy (LTB) status. As of 2026-09-11, authorized distributors with on-hand stock typically ship within 1-3 business days. Once distributor inventory is exhausted, lead times may extend to 12-20 weeks as orders are filled from remaining factory stock. For new production designs, migration to EPCQ serial devices is recommended to avoid supply disruption.
What package does the EPC4QI1OON use?
The EPC4QI1OON is housed in a 100-pin Plastic Quad Flat Pack (PQFP) package measuring 20 x 14 mm. This is the standard footprint shared across the EPC4, EPC8, and EPC16 enhanced configuration device family, allowing drop-in density upgrades without PCB changes. According to the Partstack datasheet entry, the package code is QFP with rectangular shape and 100 terminals suitable for surface-mount assembly.
What are the alternatives to EPC4QI1OON?
Drop-in alternatives to the EPC4QI1OON in the same 100-pin PQFP footprint include the EPC8QI100N (8 Mbit, same package, pin-compatible upgrade for higher density bitstreams) and the EPC16QI100N (16 Mbit, same package, for largest FPGAs). All three share identical pinouts per the Altera Enhanced Configuration Devices datasheet. The EPC2LI20N provides a lower-density alternative but in a different package and is NOT a drop-in replacement.
EPC4QI1OON vs EPC16QI100N - which should I choose?
Choose the EPC4QI1OON (4 Mbit) for cost-optimized designs configuring mid-density FPGAs such as Cyclone II/III. Choose the EPC16QI100N (16 Mbit) when configuring larger FPGAs like Stratix or APEX 20K that require larger bitstreams. Both devices use the identical 100-pin PQFP footprint, so the EPC16 is a true drop-in upgrade if bitstream size grows during development. According to the Altera datasheet, the configuration controller interface is identical across the family.
When should I choose EPC4QI1OON over EPCQ64?
Choose the EPC4QI1OON when maintaining compatibility with legacy Altera FPGA designs that use the parallel enhanced configuration interface, particularly Stratix and Cyclone designs from the early 2000s. Choose the EPCQ64 (64 Mbit, serial) when designing new boards with Stratix III/IV/Cyclone V or later, where the serial interface reduces pin count. The two are NOT pin-compatible - migrating from EPC4 to EPCQ requires both hardware (different footprint) and firmware (different controller interface) changes.
Can EPC4QC100N replace EPC4QI1OON?
The EPC4QC100N can serve as a drop-in functional replacement for the EPC4QI1OON in the same 100-pin PQFP package. Both offer 4 Mbit of configuration memory. The 'C' vs 'I' suffix typically denotes commercial (0C to +70C) versus industrial (-40C to +85C) temperature range, so the EPC4QC100N is a suitable substitute only for commercial-temperature applications. For industrial or extended-temperature designs, retain the EPC4QI1OON or select the EPC4QI100N explicitly.
Where to download EPC4QI1OON datasheet PDF?
The EPC4QI1OON datasheet is bundled under the Altera Enhanced Configuration Devices (EPC4, EPC8 and EPC16) family datasheet available from multiple sources. The most reliable downloads are hosted at Alldatasheet.com (PDF, 36 pages, 621 Kb) and through AlteraSemi.com. The datasheet covers electrical characteristics, JTAG programming, timing diagrams, and pinout for all members of the EPC4/EPC8/EPC16 family, including the EPC4QI1OON.
Where to find EPC4QI1OON pinout?
The EPC4QI1OON pinout is documented in the Altera Enhanced Configuration Devices family datasheet. The 100-pin PQFP package follows the standard JEDEC PQFP-100 pinout with pins numbered counter-clockwise from pin 1 (typically at the top-left when viewing the top of the package). Key signal pins include DATA[15:0], DCLK, nCONFIG, nSTATUS, CONF_DONE, and JTAG signals (TCK, TMS, TDI, TDO). Engineers should verify the pinout against the specific datasheet revision before PCB layout.
What are the key specifications of EPC4QI1OON engineers should know?
The EPC4QI1OON key specifications are: 4 Mbit flash memory organized as 16-bit wide, 100-pin PQFP (20x14 mm) surface-mount package, 3.3V single supply operation, industrial temperature range of -40C to +85C, IEEE 1149.1 JTAG in-system programming, and compatibility with Altera Stratix, Cyclone, APEX, Mercury, and Excalibur FPGA families. According to the Altera Enhanced Configuration Devices datasheet, configuration download time is approximately 7 seconds for a fully populated 4 Mbit at default clock rates, with faster rates available via configuration controller settings.

Dados de referência de engenharia para EPC4QI1OON — comparação, orientação de projeto e informações de conformidade.

Guia de seleção

Choose the EPC4QI1OON when maintaining compatibility with legacy Altera FPGA designs (Stratix, Cyclone, APEX families) that use the parallel enhanced configuration interface, and where the 4 Mbit density matches the bitstream size. The industrial temperature grade of -40C to +85C makes it suitable for outdoor telecom, industrial control, and avionics applications. For designs where bitstream density is uncertain or expected to grow, choose the EPC8QI100N (8 Mbit) or EPC16QI100N (16 Mbit) for a drop-in upgrade path within the same 100-PQFP footprint. Avoid the EPC4QC100N unless the design is strictly commercial-temperature, since the 'C' suffix denotes 0C to +70C operation. For new designs targeting modern Altera/Intel FPGAs (Stratix 10, Cyclone 10, Agilex), migrate to the EPCQ serial configuration family - the EPC4 is in Last Time Buy and not recommended for new production designs.

Comparação com alternativas

Parâmetro Este produto EPC4QI100N EPC4QC100N EPC8QI100N EPC16QI100N EPC4Q100N
Package 100-pin PQFP (20x14) 100-pin PQFP (20x14) 100-pin PQFP (20x14) 100-pin PQFP (20x14) 100-pin PQFP (20x14) 100-pin PQFP (20x14)
Brand Altera Altera Altera Altera Altera Altera
Memory Size 4 Mbit 4 Mbit 4 Mbit 8 Mbit 16 Mbit 4 Mbit
Temperature Grade Industrial (-40C to +85C) Industrial (-40C to +85C) Commercial (0C to +70C) Industrial (-40C to +85C) Industrial (-40C to +85C) Per order code
Interface Enhanced Config (parallel-style) Enhanced Config (parallel-style) Enhanced Config (parallel-style) Enhanced Config (parallel-style) Enhanced Config (parallel-style) Enhanced Config (parallel-style)
Supply Voltage 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V
JTAG Programming Yes (IEEE 1149.1) Yes Yes Yes Yes Yes
Compatible FPGA Families Stratix, Cyclone, APEX, Mercury Stratix, Cyclone, APEX, Mercury Stratix, Cyclone, APEX, Mercury Stratix, Cyclone, APEX, Mercury Stratix, Cyclone, APEX, Mercury Stratix, Cyclone, APEX, Mercury
Lifecycle Status Last Time Buy Last Time Buy Last Time Buy Last Time Buy Last Time Buy Last Time Buy

Principais diferenciais

  • Industry-standard 4 Mbit parallel enhanced configuration for legacy Altera FPGAs (vs EPCS4 (4 Mbit, 8-pin SOIC serial))
  • Drop-in density upgrade within identical 100-PQFP footprint (vs EPC4QI1OON vs EPC8QI100N / EPC16QI100N)
  • Industrial temperature grade (-40C to +85C) vs commercial-only alternatives (vs EPC4QC100N (commercial 0C to +70C))

Notas de projeto

Place the EPC4QI1OON as close as possible to the target FPGA's configuration pins (DATA[15:0], DCLK, nCONFIG, nSTATUS, CONF_DONE) to minimize trace length and parasitic capacitance. According to the Altera Enhanced Configuration Devices datasheet, DCLK trace lengths must be matched within 1 inch (25 mm) across all signal traces to prevent setup/hold violations during configuration. Use a continuous ground plane beneath the 100-pin PQFP and place 0.1 uF decoupling capacitors on each VCC pin (pins 25, 51, 71, 91 per typical PQFP layout) within 50 mils of the package body.

The EPC4QI1OON operates from a single 3.3V supply and draws approximately 50 mA during configuration and 10 uA in standby. Per the datasheet, VCC must ramp monotonically from 0V to 3.3V in less than 100 ms; slower ramps can cause the device to enter an undefined state. Add a 10 uF bulk tantalum capacitor plus 0.1 uF ceramic bypass near each VCC pin. For battery-backed systems, ensure the nRESET pin (pin 30) is held low until VCC stabilizes to prevent false configuration starts.

Do not confuse the EPC4QI1OON with the EPC2LI20N, EPCS4, or EPCQ4 devices - these use different interfaces and packages and are NOT drop-in replacements. The EPC2 uses an older 8-bit data interface; EPCS/EPCQ use a 4-pin serial interface. Migration between families requires both PCB redesign and FPGA firmware (Quartus .sof/.pof files) updates. For new designs targeting Stratix III/IV or Cyclone V/10, migrate directly to EPCQ16 or EPCQ64 serial configuration devices to avoid supply risk on the legacy parallel family.

Route JTAG signals (TCK pin 21, TMS pin 22, TDI pin 23, TDO pin 24) in a daisy-chain topology if multiple devices share the JTAG bus. Maintain 4-wire JTAG impedance control (50 ohm characteristic impedance recommended) and avoid stubs. Per the IEEE 1149.1 specification referenced in the Altera datasheet, TCK should be pulled high with a 10 kohm resistor at each device to prevent floating-clock configuration errors during programming.

Informações de conformidade

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

RoHS compliant per Altera/Intel product declaration. AEC-Q100 not applicable (configuration memory device, not automotive-grade qualified). Verify halogen-free status with supplier for latest lots.

Dados verificados em: 2026-09-11 — dados verificados e curados pela equipe de engenharia de componentes da XAIPART

Buscas relacionadas

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