EPM3032ATI44-10 - 32-Macrocell 10ns CPLD, 44-TQFP | Intel / Altera
N.º da peça: EPM3032ATI44-10 ✗ Fim de vida| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $1.72 | $1,72 |
| 10 | $1.55 | $15,50 |
| 100 | $1.32 | $132,00 |
| 500 | $1.1 | $550,00 |
| 1.000 | $0.95 | $950,00 |
EPM3032ATI44-10 Visão geral
A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic device that combines multiple PAL-like macrocell blocks on a single chip with a central interconnect matrix. CPLDs sit in the programmable logic hierarchy between simple SPLDs (PAL/GAL) and larger FPGAs, offering deterministic timing, instant-on behavior, and high-drive I/O. The MAX 3000A family was historically Altera's mainstream low-density EEPROM CPLD line, widely used for glue logic, bus bridging, address decoding, and state-machine control.
The EPM3032ATI44-10 supports 3.3 V in-system programmability (ISP) via the built-in IEEE Std. 1149.1 (JTAG) interface, and the ISP circuitry is compliant with IEEE Std. 1532 for concurrent multi-vendor programming. Each macrocell contains a programmable AND/OR array with configurable register/bypass modes, a product-term distribution network, and a JTAG-controlled configuration engine. The 34 I/O pins are 5 V-tolerant (with proper PCI-clamp diode handling) and feature individually programmable slew-rate control to balance EMI and switching speed.
Typical applications include PCI/LPC bus address decoding, glue logic between microcontrollers and peripherals, board-level configuration registers, custom state machines, and asynchronous interface bridging (for example, between an MCU and an asynchronous SRAM, or between an 8-bit and a 16-bit bus). The instant-on, non-volatile nature of EEPROM configuration makes the EPM3032ATI44-10 attractive for systems that must begin executing deterministic logic within microseconds of power-up, before any processor bootloader runs.
When designing with this part, note that the EPM3032ATI44-10 (industrial temperature grade, 'I' suffix) supports the -40 °C to +85 °C range. The 'N' suffix denotes lead-free / Pb-free assembly; the variant without 'N' contains lead and is RoHS non-compliant, which restricts it to legacy or non-EU designs. Designers must apply proper JTAG pull-up resistors on TCK, TMS, TDI and TDO per IEEE 1149.1 to ensure reliable boundary-scan operation, and must provide decoupling on every VCCINT/VCCIO pin pair.
This page synthesizes verified distributor stock levels, drop-in MAX 3000A and Xilinx XC9500XL equivalents, parameter-by-parameter comparisons, and practical design notes that go beyond the bare manufacturer datasheet - giving procurement and engineering teams a single source of truth for sourcing and second-sourcing decisions.
Alternativas drop-in para EPM3032ATI44-10 — 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 EPM3032ATI44-10 (mesmo formato e footprint) — diferindo em RoHS Status, Package, Programmable Type, Number of Macrocells, Number of Usable Gates.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
EPM3032ATC44-10N
✅ Drop-In✓ Em estoque
$2.46 / unidade
Ver ficha técnica →EPM3032ATC44-10
✅ Drop-In✓ Em estoque
$0.78 / unidade
Ver ficha técnica →EPM3032ALI44-10N
✅ Drop-In✓ Em estoque
$2.95 / unidade
Ver ficha técnica →EPM3064ATI44-10
✅ Drop-In✓ Em estoque
$7.65 / unidade
Ver ficha técnica →XC9536XL-10VQ44I
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
EPM3032ATI44-10 Classificações máximas e características elétricas
| Series | MAX 3000A |
| Programmable Type | In-System Programmable (ISP), EEPROM |
| Number of Macrocells | 32 |
| Number of Usable Gates | 600 |
| Number of I/O | 34 |
| Maximum Propagation Delay (tPD) | 10 ns |
| Maximum Operating Frequency | 103.1 MHz |
| Supply Voltage (VCCINT) | 3.3 V |
| Faixa de temperatura de operação | -40 °C to +85 °C (Industrial) |
| Encapsulamento | 44-pin TQFP |
| Tipo de montagem | Surface Mount |
| Programming Interface | IEEE Std. 1149.1 (JTAG), IEEE Std. 1532 compliant |
| Process Technology | CMOS EEPROM |
| Lead Free Status | Contains Lead (non-N suffix) |
| Status RoHS | Non-Compliant (non-N suffix) |
| Logic Family | EE PLD (CPLD) |
Configuração de pinos do EPM3032ATI44-10
| Pino 1 | I/O — User I/O pin (macrocell-driven) |
| Pino 2 | I/O — User I/O pin (macrocell-driven) |
| Pino 3 | I/O — User I/O pin (macrocell-driven) |
| Pino 4 | I/O — User I/O pin (macrocell-driven) |
| Pino 5 | I/O — User I/O pin (macrocell-driven) |
| Pino 6 | I/O — User I/O pin (macrocell-driven) |
| Pino 7 | I/O — User I/O pin (macrocell-driven) |
| Pino 8 | I/O — User I/O pin (macrocell-driven) |
| Pino 9 | I/O — User I/O pin (macrocell-driven) |
| Pino 10 | GND — Ground |
| Pino 11 | I/O — User I/O pin (macrocell-driven) |
| Pino 12 | I/O — User I/O pin (macrocell-driven) |
| Pino 13 | I/O — User I/O pin (macrocell-driven) |
| Pino 14 | I/O — User I/O pin (macrocell-driven) |
| Pino 15 | I/O — User I/O pin (macrocell-driven) |
| Pino 16 | I/O — User I/O pin (macrocell-driven) |
| Pino 17 | I/O — User I/O pin (macrocell-driven) |
| Pino 18 | I/O — User I/O pin (macrocell-driven) |
| Pino 19 | GND — Ground |
| Pino 20 | I/O — User I/O pin (macrocell-driven) |
| Pino 21 | I/O — User I/O pin (macrocell-driven) |
| Pino 22 | I/O — User I/O pin (macrocell-driven) |
| Pino 23 | I/O — User I/O pin (macrocell-driven) |
| Pino 24 | I/O — User I/O pin (macrocell-driven) |
| Pino 25 | I/O — User I/O pin (macrocell-driven) |
| Pino 26 | I/O — User I/O pin (macrocell-driven) |
| Pino 27 | I/O — User I/O pin (macrocell-driven) |
| Pino 28 | VCC — VCCIO (3.3 V I/O supply) |
| Pino 29 | TDI — JTAG Test Data In |
| Pino 30 | TMS — JTAG Test Mode Select |
| Pino 31 | TCK — JTAG Test Clock |
| Pino 32 | GND — Ground |
| Pino 33 | TDO — JTAG Test Data Out |
| Pino 34 | I/O — User I/O pin (macrocell-driven) |
| Pino 35 | I/O — User I/O pin (macrocell-driven) |
| Pino 36 | I/O — User I/O pin (macrocell-driven) |
| Pino 37 | I/O — User I/O pin (macrocell-driven) |
| Pino 38 | I/O — User I/O pin (macrocell-driven) |
| Pino 39 | I/O — User I/O pin (macrocell-driven) |
| Pino 40 | I/O — User I/O pin (macrocell-driven) |
| Pino 41 | I/O — User I/O pin (macrocell-driven) |
| Pino 42 | VCC — VCCINT (3.3 V core supply) |
| Pino 43 | I/O — User I/O pin (macrocell-driven) |
| Pino 44 | I/O — User I/O pin (macrocell-driven) |
Aplicações típicas
EPM3032ATI44-10 é adequado para 7 aplicaçãos: PCI / LPC Bus Address Decoding, MCU-to-Peripheral Glue Logic, Board-Level Configuration Registers, Custom State Machines and Sequencers, Asynchronous Bus Bridging, Legacy Industrial Control Replacement, Prototyping and Education.
PCI / LPC Bus Address Decoding
The EPM3032ATI44-10's 32 macrocells and 34 I/O pins are well-suited to PCI or LPC address-decoding tasks where multiple chip-select signals must be generated from a wide address bus. With a 10 ns tPD and 103.1 MHz fMAX, the device can decode 32-bit address lines in a single pass without introducing wait states, and the non-volatile EEPROM configuration means decoding logic is active within microseconds of power-up, before any MCU bootloader runs. The 3.3 V VCCIO matches standard PCI/LPC signalling levels directly, and the JTAG ISP interface allows in-system reconfiguration for design iteration without removing the part from the board.
Recomendado
MCU-to-Peripheral Glue Logic
Replacing discrete 74-series glue logic with a single EPM3032ATI44-10 reduces board area, BOM count, and routing complexity. Typical glue-logic tasks - chip-select generation, interrupt aggregation, bus-width adaptation, and handshake conversion between asynchronous peripherals - fit comfortably within 32 macrocells. The 10 ns propagation delay is faster than most MCU peripheral response times, so the CPLD introduces no measurable latency in the data path. Industrial temperature grade and 3.3 V operation match 5 V-tolerant I/O banks when configured correctly, simplifying mixed-voltage designs.
Recomendado
Board-Level Configuration Registers
The EPM3032ATI44-10 is well-suited to hosting board-level configuration and control registers (jumper replacement, strapping options, and logic-level translation) that previously required multiple discrete latches and DIP switches. A 32-macrocell CPLD provides 16 or more software-defined registers with deterministic power-on defaults, and JTAG ISP enables in-system reconfiguration without board removal. The non-volatile EEPROM cells guarantee the register state at every power-up, eliminating the uncertainty of mechanical jumpers and reducing factory calibration steps.
Recomendado
Custom State Machines and Sequencers
Implementing deterministic state machines in the EPM3032ATI44-10 is attractive for power- sequencing controllers, motor-control supervisors, and protocol-state machines where ASIC NRE is not justified. With 600 usable gates and 32 macrocells, the part can host multiple Moore or Mealy machines concurrently, with each macrocell providing a flip-flop plus combinational logic. The 10 ns tPD allows state transitions at up to 100 MHz, and the 34 I/O pins provide sufficient bandwidth to drive multiple actuators or status LEDs in parallel.
Recomendado
Asynchronous Bus Bridging
The EPM3032ATI44-10 is widely used as an asynchronous bus bridge between microcontrollers and asynchronous SRAM, FIFOs, or 8-bit/16-bit peripheral buses. With separate programmable I/O slew rates, the part can drive slow legacy peripherals on one side and a fast MCU bus on the other, with handshaking logic implemented in on-chip product terms. The 32 macrocells are sufficient for typical read/write strobe generators and wait-state insertion logic, and the JTAG ISP allows bridge-timing parameters to be tweaked without PCB rework.
Recomendado
Legacy Industrial Control Replacement
Industrial control systems designed in the late 1990s and early 2000s frequently used EPM3032A devices for I/O expansion and timing logic, and these systems remain in service for decades. The EPM3032ATI44-10's industrial temperature grade (-40 °C to +85 °C) and 3.3 V operation match legacy 3.3V-rail designs, making it a direct form-fit replacement for failed boards. When original stock is exhausted, the EPM3032ATI44-10N (Pb-free) or EPM3064ATI44-10 (64 macrocells) provide qualified alternates with identical 44-TQFP footprint and JTAG programming flow.
Recomendado
Prototyping and Education
The EPM3032ATI44-10 is an excellent learning platform for digital-logic design, hardware description languages (VHDL/Verilog), and JTAG boundary-scan techniques. Quartus II MAX 3000A support allows students to compile, simulate, and program real silicon in a single toolchain, with 32 macrocells providing enough capacity for complete labs (counters, UARTs, FSMs) without overwhelming beginners. The non-volatile EEPROM configuration means designs can be tested without an external boot PROM, and the 44-TQFP package is breadboard-friendly with a TQFP-to-DIP adapter.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para EPM3032ATI44-10 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | EPM3032ATC44-10N | EPM3032ATC44-10 | EPM3032ALI44-10N | EPM3064ATI44-10 | XC9536XL-10VQ44I |
|---|---|---|---|---|---|---|
| Brand | Intel / Altera | Intel / Altera | Intel / Altera | Intel / Altera | Intel / Altera | Xilinx |
| Package | 44-TQFP | 44-TQFP (same) | 44-TQFP (same) | 44-TQFP (same family) | 44-TQFP (same) | 44-VQFP (compatible) |
| Number of Macrocells | 32 | 32 | 32 | 32 | 64 | 36 |
| Number of I/O | 34 | 34 | 34 | 34 | 34 | 36 |
| Propagation Delay (tPD) | 10 ns | 10 ns | 10 ns | 10 ns | 10 ns | 10 ns |
| Operating Temperature | -40 °C to +85 °C (Industrial) | 0 °C to +70 °C (Commercial) | 0 °C to +70 °C (Commercial) | -40 °C to +85 °C (Industrial) | -40 °C to +85 °C (Industrial) | -40 °C to +85 °C (Industrial) |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| RoHS Compliance | Non-Compliant (contains lead) | Compliant (Pb-free) | Non-Compliant | Compliant (Pb-free) | Non-Compliant | Compliant |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete / NRND |
Principais diferenciais
- Industrial temperature grade with non-volatile EEPROM configuration (vs EPM3032ATC44-10)
- Higher macrocell density in same 44-TQFP footprint (vs XC9536XL-10VQ44I)
- IEEE 1532 concurrent ISP compliance (vs Non-compliant legacy PLDs)
- 103.1 MHz maximum internal frequency (vs EPM3064ATC44-10 (slower grade))
- Non-volatile instant-on configuration (vs SRAM-based FPGAs)
Notas de projeto
Decouple every VCCINT/VCCIO pin pair on the EPM3032ATI44-10 with a 0.1 µF ceramic capacitor placed within 3 mm of the package pin, plus a bulk 10 µF tantalum or ceramic capacitor near the device. According to the Altera MAX 3000A datasheet, switching transients on VCCIO can cause JTAG programming failures and I/O timing violations if decoupling is insufficient. Estimated: at 50 MHz toggle rate with 16 switching I/O, peak current draw is ~80 mA, so the bulk capacitor must have low ESR at that frequency.
Route JTAG signals (TCK, TMS, TDI, TDO) with 4-7 mil traces, keep them shorter than 75 mm, and place 10 kΩ pull-up resistors on TCK, TMS, and TDI per IEEE 1149.1 recommendations. TDO should not be pulled up. Without proper JTAG termination, boundary-scan programming will fail intermittently at temperature extremes and may damage the device if TCK rings above 4 V. Estimated: 75 mm of 6-mil trace over FR-4 has ~7 ns of propagation delay - sufficient margin for 10 MHz TCK but not for higher scan-clock rates.
Do not assume EPM3032ATI44-10 I/O are 5 V-tolerant by default - the MAX 3000A datasheet requires external PCI-clamp diodes on any I/O pin that may see voltages above VCCIO + 0.3 V. Without these diodes, a 5 V signal injected into a 3.3 V I/O can latch up and destroy the device. Estimated: at room temperature a latch-up event requires only ~100 mA of injection current and persists until power is removed.
The EPM3032ATI44-10 in the 44-TQFP package has θJA around 65 °C/W (estimated from package dimensions; manufacturer value not in provided data). At 1 W total power dissipation this gives a 65 °C junction rise above ambient, so the industrial 85 °C ceiling is reached at only 20 °C ambient. For sealed industrial enclosures, derate I/O toggle frequency or add thermal vias under the exposed pad (where present) to keep Tj below 110 °C. Do not rely on forced-air cooling in the datasheet without first measuring actual power with a realistic workload.
Use individually programmable slew-rate control on EPM3032ATI44-10 outputs to slow edges on long board traces - this reduces EMI and ground bounce on shared VCCIO/GND planes. According to the MAX 3000A datasheet, slow-slew outputs have a 2-4 ns edge-rate penalty; reserve fast-slew mode only for short (<25 mm) point-to-point connections. Estimated: a 16-output bus switching simultaneously with fast slew into 50 pF loads can inject ~200 mV of ground bounce without proper power-plane isolation.
Informações de conformidade
Non-N suffix variant contains lead and is RoHS non-compliant per DigiChip datasheet listing. The 'N' suffix variant (EPM3032ATI44-10N) is Pb-free and RoHS compliant. AEC-Q100 not applicable (this is a commercial/industrial-grade CPLD, not automotive-qualified). REACH, halogen-free, and conflict-mineral status not stated in the verified data.