EPM3512AQI208-10 - 512-Macrocell MAX 3000A CPLD, 208-Pin PQFP | Intel
N.º da peça: EPM3512AQI208-10 ✗ Fim de vida| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $38.5 | $38,50 |
| 10 | $32.75 | $327,50 |
| 100 | $24.1 | $2.410,00 |
| 500 | $18.4 | $9.200,00 |
| 1.000 | $15.2 | $15.200,00 |
EPM3512AQI208-10 Visão geral
What is a CPLD? A Complex Programmable Logic Device is a non-volatile programmable logic device that combines the instant-on characteristics of PAL/GAL with the macrocell density of an FPGA. CPLDs sit in the broader taxonomy of programmable logic: programmable logic -> CPLD -> EEPROM-based CPLD -> MAX 3000A family. They are widely used for I/O expansion, bus bridging, address decoding, and state-machine control in systems that require deterministic timing and zero-config boot behavior. The MAX 3000A architecture adds 3.3-V in-system programmability (ISP) through the IEEE 1149.1 JTAG interface, removing the need for a separate programmer.
Key features of the EPM3512AQI208-10 include 512 macrocells organized in 16 Logic Array Blocks (LABs), MultiVolt I/O supporting 5.0 V, 3.3 V, and 2.5 V logic interfaces from a 3.3 V core supply, 4.5 ns to 10 ns pin-to-pin delays across speed grades, and PCI-SIG-compliant timing in the -4/-5/-6/-7/-10 speed grades per the PCI Local Bus Specification Revision 2.2. The MultiVolt interface allows direct connection to legacy 5 V TTL/CMOS devices without external level shifters, simplifying mixed-voltage PCB designs.
The device uses a classic EEPROM-based architecture with a global interconnect fabric (the Programmable Interconnect Array, or PIA) that routes every LAB to every other LAB with predictable timing, making it ideal for asynchronous and decoder-style logic where FPGA routing variability is undesirable. The JTAG boundary-scan and ISP support enables in-field reconfiguration, while the open-drain or pull-up configurable I/O banks allow direct bus interfacing. Each macrocell contains a programmable flipflop and configurable product-term logic, providing up to 16 product terms per macrocell.
Typical applications include PCI bus interface glue logic, address decoding and chip-select generation in embedded systems, I/O expansion for microcontrollers with limited pin counts, bus arbitration, and state-machine controllers in industrial automation equipment. The industrial temperature grade (-40C to +85C, indicated by the I suffix) and PCI-compliant timing make it particularly suitable for industrial and embedded computing platforms that need deterministic, low-latency logic.
When designing with this part, ensure that the 3.3 V core supply is well decoupled with 0.1 uF and 10 uF capacitors near each VCC pin, and that JTAG TMS/TCK/TDI/TDO traces are kept short and length-matched for reliable ISP. Because this part is in the MAX 3000A legacy family, new designs should consider migrating to MAX II or MAX V CPLDs for lower power and active support, unless the specific 5 V-tolerant I/O or PCI timing of MAX 3000A is required.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes - including 208-pin PQFP pinout mapping and PCI timing compliance verification - that are not consolidated on the manufacturer datasheet cover page.
Alternativas drop-in para EPM3512AQI208-10 — 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 EPM3512AQI208-10 (mesmo formato e footprint) — diferindo em Operating Temperature, Package, Logic Array Blocks (LABs), Speed Grade, Usable Gates.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
EPM3512AQC208-10
✅ Drop-In✓ Em estoque
$22.1 / unidade
Ver ficha técnica →EPM3512AQC208-10N
✅ Drop-In✓ Em estoque
$42.8 / unidade
Ver ficha técnica →EPM3512AQI208-10N
✅ Drop-In✓ Em estoque
$12.9 / unidade
Ver ficha técnica →EPM3512AQC208-7
✅ Drop-In✓ Em estoque
$41.72 / unidade
Ver ficha técnica →EPM3512AQC208-10S
✅ Drop-In✓ Em estoque
$9.75 / unidade
Ver ficha técnica →EPM3512AQI208-10 Classificações máximas e características elétricas
| Family | MAX 3000A |
| Macrocells | 512 |
| Logic Array Blocks (LABs) | 16 |
| Maximum User I/Os | 172 |
| Contagem de pinos | 208 |
| Package Type | PQFP-208 (FINE LINE BGA-256, FQFP, Gull Wing) |
| Propagation Delay (tPD) | 10 ns |
| Counter Frequency | 116 MHz |
| Logic Family | CMOS, EEPROM-based |
| Core Supply Voltage | 3.3 V |
| I/O Interface Voltages | 5.0 V / 3.3 V / 2.5 V (MultiVolt) |
| In-System Programmability | Yes (IEEE 1149.1 JTAG) |
| PCI Compliance | PCI Local Bus Specification Revision 2.2 |
| Temperatura de operação | -40C to +85C (Industrial, I suffix) |
Guia de Configuração de Pinos do EPM3512AQI208-10 pqfp-208 (fine line bga-256, fqfp, gull wing)
Configuração de pinos para EPM3512AQI208-10 (pacote pqfp-208 (fine line bga-256, fqfp, gull wing)). Este CI digital inclui GPIO, interfaces de comunicação (UART, SPI, I2C) e pinos de alimentação. Consulte o datasheet do fabricante para funções alternativas dos pinos e opções de configuração. Essencial para projeto de sistemas embarcados e layout de PCB.
Nenhum dado detalhado de pinagem disponível para EPM3512AQI208-10.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
EPM3512AQI208-10 é adequado para 6 aplicaçãos: PCI Bus Interface Glue Logic, Address Decoding & Chip-Select Generation, I/O Expansion for Embedded MCUs, State-Machine Controllers & Bus Arbiters, Legacy Industrial System Maintenance, Test & Measurement Equipment Glue Logic.
PCI Bus Interface Glue Logic
The EPM3512AQI208-10 is purpose-built for PCI Local Bus Specification Revision 2.2 interface applications. With 10 ns pin-to-pin delays in the -10 speed grade (compliant per MAX 3000A datasheet Table 2), 172 user I/Os spanning four I/O banks, and 512 macrocells across 16 LABs, the device absorbs address decoding, command-signal qualification, parity generation/checking, and target-state-machine logic that offloads the CPU. The 5.0 V-tolerant MultiVolt I/O allows direct connection to legacy PCI slots and 5 V peripherals, while the 3.3 V core minimizes power dissipation across the 208-pin PQFP footprint. Engineers typically pair this CPLD with an Intel PCI bridge chip to implement a complete 33/66 MHz PCI target or master interface.
Recomendado
Address Decoding & Chip-Select Generation
For high-end microprocessors, microcontrollers, and DSP systems requiring extensive chip-select or address-decoding logic, the EPM3512AQI208-10's 16 LABs and 172 I/Os deliver ample capacity. The product-term-rich macrocell architecture (each with up to 16 product terms) decodes wide address buses and generates qualified chip-select signals with deterministic 10 ns propagation delay - far more predictable than FPGA routing delays in equivalent densities. The MultiVolt I/O allows the device to interface with both 5 V legacy memory and 3.3 V/2.5 V modern peripherals simultaneously, simplifying mixed-voltage PCB designs. Industrial temperature grade (-40C to +85C) supports factory-floor, vehicle, and outdoor embedded platforms.
Recomendado
I/O Expansion for Embedded MCUs
When a microcontroller, ASIC, or SoC lacks sufficient I/O pins for keypad scanning, LCD driving, LED multiplexing, or sensor aggregation, the EPM3512AQI208-10 provides 172 user I/Os as a parallel expansion layer. Each I/O is individually configurable as input, output, or bidirectional with internal weak pull-up, and the 16 macrocell-driven state machines can offload scan-matrix and debounce logic from the MCU. The JTAG-based ISP enables in-field reconfiguration of the pin map when adding new peripherals, and the PQFP-208 gull-wing package is hand-solderable for prototyping. Industrial temperature grade suits outdoor and automotive-grade embedded products.
Recomendado
State-Machine Controllers & Bus Arbiters
The EEPROM-based MAX 3000A architecture is ideal for asynchronous and deterministic state-machine logic that requires guaranteed timing - critical for industrial bus arbiters, motor-control sequencers, and protocol converters. The EPM3512AQI208-10's 512 macrocells hold 16-32 wide Mealy/Moore state machines plus parallel glue logic, and the global interconnect (PIA) ensures every LAB connects to every other LAB with identical delay. Unlike FPGAs whose routing delays vary with placement, every output transition is bounded by the 10 ns pin-to-pin specification. Industrial -40C to +85C operation and 5 V I/O tolerance suit factory PLCs, motor drives, and process-control instrumentation.
Recomendado
Legacy Industrial System Maintenance
Long-life industrial equipment (manufactured in the 1990s-2000s with Multibus, VMEbus, ISA, or custom backplanes) frequently relies on EPM3512AQI208-10 CPLDs that have since become obsolete. This part remains in active demand for field-replacement and lifecycle-extension of legacy factory-automation, test-and-measurement, military, and aerospace systems where the OEM has long discontinued the host board. The 512-macrocell device is one of the highest-density MAX 3000A parts in the PQFP-208 footprint, making it a common choice for high-I/O legacy designs. Distributors and aftermarket brokers continue to stock limited quantities for these long-tail applications, often at premium pricing.
Recomendado
Test & Measurement Equipment Glue Logic
Test and measurement instruments - oscilloscopes, logic analyzers, protocol analyzers, ATE testers - require deterministic glue logic with wide I/O count for trigger routing, channel multiplexing, and front-panel interface management. The EPM3512AQI208-10's 172 I/Os and 10 ns timing handle multi-channel trigger trees, while the MultiVolt I/O allows direct connection to legacy 5 V front-panel displays and modern 3.3 V ADCs in the same design. EEPROM-based non-volatile configuration means zero-config boot behavior, ideal for bench-top instruments that must come up in a known state without external boot memory. The JTAG ISP allows in-field firmware updates when adding new test modes.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para EPM3512AQI208-10 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | EPM3512AQC208-10 | EPM3512AQC208-10N | EPM3512AQI208-10N | EPM3512AQC208-7 | EPM3512AQC208-10S |
|---|---|---|---|---|---|---|
| Package | PQFP-208 (Industrial) | PQFP-208 (same) | PQFP-208 (same) | PQFP-208 (same) | PQFP-208 (same) | PQFP-208 (same) |
| Brand | Intel (formerly Altera) | Intel (same) | Intel (same) | Intel (same) | Intel (same) | Intel (same) |
| Macrocells | 512 | 512 | 512 | 512 | 512 | 512 |
| Pin-to-Pin Delay | 10 ns | 10 ns | 10 ns | 10 ns | 7 ns (-30%) | 10 ns |
| Operating Temperature | -40C to +85C (Industrial) | 0C to +70C (Commercial) | 0C to +70C (Commercial) | -40C to +85C (Industrial) | 0C to +70C (Commercial) | 0C to +70C (Commercial) |
| PCI Compliance | Yes (Revision 2.2) | Yes (Revision 2.2) | Yes (Revision 2.2) | Yes (Revision 2.2) | Yes (Revision 2.2) | Yes (Revision 2.2) |
| Maximum User I/Os | 172 | 172 | 172 | 172 | 172 | 172 |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
Principais diferenciais
- Industrial temperature grade (-40C to +85C) on the legacy MAX 3000A silicon (vs EPM3512AQC208-10)
- Same PQFP-208 footprint as MAX 7000A sibling for migration path (vs Lattice ispMACH 4000V (cross-family))
- MultiVolt 5 V-tolerant I/O without external level shifters (vs Xilinx CoolRunner XCR3512XL)
- Faster 7 ns pin-to-pin timing option in the same footprint (vs EPM3512AQC208-7)
Notas de projeto
The EPM3512AQI208-10 has 6 to 8 VCC/VCCIO pins distributed across the 208-pin PQFP package; each requires local decoupling with a 0.1 uF X7R ceramic capacitor placed within 5 mm of the pin, plus a shared 10 uF bulk tantalum or ceramic capacitor at the regulator output. According to the MAX 3000A datasheet power-supply recommendations, the 3.3 V core current can reach 200-400 mA during concurrent JTAG programming and high-frequency logic switching, so budget the regulator for at least 500 mA headroom. Tie all unused VCCIO pins to the active 3.3 V or 2.5 V rail even if those banks are unused - floating VCCIO can cause I/O behavior faults.
Place the JTAG TMS, TCK, TDI, TDO, and TRST traces as short and length-matched as possible - ideally under 50 mm and routed together on one PCB layer. The MAX 3000A family uses IEEE 1149.1 JTAG for ISP, and long or mismatched JTAG traces cause programming failures on production boards. Add a 10 kohm pull-up on TMS and TCK per datasheet recommendations to keep the TAP controller in a known state during power-up. Reserve a 4-pin 0.1-inch header or 1.27 mm Tag-Connect footprint for ISP access. Per the datasheet, leave JTAG pins accessible even if ISP is not used, because JTAG is also used for boundary-scan testing.
Estimated: When migrating designs from EPM3512AQC208-10 (commercial, 0C to +70C) to EPM3512AQI208-10 (industrial, -40C to +85C), verify that the 5 V MultiVolt I/O is still within the absolute maximum ratings at -40C cold-start - some I/O drive strengths vary slightly with temperature. Do not substitute MAX 7000A (EPM7512AEQI208-10) in designs without re-running timing analysis - MAX 7000A uses different I/O structures and propagation delay formulas. When programming with older Quartus II versions, ensure the device database supports the -10 speed grade; use Quartus II 13.0 or later for MAX 3000A support. For new designs, migrate to MAX II (EPM240/EPM570/EPM1270/EPM2210) or MAX V CPLDs to avoid EOL risk.
The 208-pin PQFP package has 0.5 mm lead pitch with gull-wing leads - per IPC-7351 land pattern guidelines, the recommended footprint pad is 1.6 mm x 0.3 mm with a 0.1 mm solder mask expansion. Use a reflow profile with peak temperature 245C for lead-free (Pb-free 'N' suffix) variants or 220C for standard SnPb finishes. The exposed die-attach pad (if present in your variant) should be soldered to a thermal copper pour for improved heat dissipation - this is optional for the commercial variants but recommended for industrial designs operating near 85C ambient. Maintain a keep-out zone of 1.5 mm around the package for probe access during boundary-scan testing.
Informações de conformidade
Lead-free status depends on the 'N' suffix variant - the standard EPM3512AQI208-10 uses standard SnPb finish; the EPM3512AQI208-10N variant is Pb-free. RoHS/REACH compliance information not available in verified web data - consult manufacturer product page or authorized distributor for current status. The MAX 3000A family was originally released before RoHS enforcement and predates AEC-Q100 qualification testing.
