EPM3032ATC44-10NAA - 32-Macrocell MAX 3000A CPLD, 44-TQFP | Altera
N.º da peça: EPM3032ATC44-10NAA ✗ Fim de vida| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $18.5 | $18,50 |
| 10 | $16.2 | $162,00 |
| 100 | $13.85 | $1.385,00 |
| 500 | $11.4 | $5.700,00 |
| 1.000 | $9.95 | $9.950,00 |
EPM3032ATC44-10NAA 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 centralized interconnect. The MAX 3000A family sits within Altera's broader programmable-logic hierarchy (CPLD family -> programmable logic -> logic IC -> semiconductor), and is built on 5.0V-tolerant, 3.3V-core CMOS EEPROM technology. The EPM3032ATC44-10NAA specifically is positioned at the small-density end of the family with 32 macrocells and 600 usable gates, suitable for glue-logic, interface-bridging, and bus-decoding tasks.
The key features of this device include 32 macrocells organized in 2 Logic Array Blocks (LABs), 34 user I/O pins, 3.3V core operation, MultiVolt I/O supporting 5.0V/3.3V/2.5V logic levels, and IEEE Std. 1149.1 JTAG plus IEEE Std. 1532 ISP for in-system programming. Its 10 ns pin-to-pin delay (tpd) supports logic operation up to roughly 100 MHz on internal paths, and hot-socketing support is built into the I/O buffers.
Architecturally, the device uses a non-volatile EEPROM cell plus the MAX interconnect matrix. The two LABs share global control signals (clock, clear, output enable), and each macrocell contains a programmable AND-OR array feeding a configurable flip-flop with selectable register/bypass modes. MultiVolt I/O means the same part can drive or receive 5.0V TTL, 3.3V LVTTL, or 2.5V LVCMOS signals without external translators, simplifying mixed-voltage board designs.
Typical applications include address decoding and glue logic in microprocessor/microcontroller systems, I/O expansion and bus interfacing, state-machine control, and 5.0V/3.3V logic-level translation. Industrial controls, point-of-sale terminals, and legacy telecom linecards commonly use MAX 3000A parts like this one to consolidate random SSI/MSI logic into a single reprogrammable device.
When designing with this part, verify JTAG chain ordering carefully because ISP via IEEE 1532 allows concurrent in-system programming even on populated boards, but TCK/TMS/TDO chains must be unbroken. Decoupling requirements follow the MAX 3000A family guideline of one 0.1 uF plus one bulk capacitor per VCC/GND pair placed close to the package.
This page synthesizes distributor pricing snapshots, drop-in same-package alternatives drawn from the same MAX 3000A family, and practical design notes that go beyond the manufacturer datasheet itself.
Alternativas drop-in para EPM3032ATC44-10NAA — 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 EPM3032ATC44-10NAA (mesmo formato e footprint) — diferindo em Package, RoHS Status, Operating Temperature, Family, Propagation Delay (tPD).
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
EPM3032ATC44-10N
✅ Drop-In✓ Em estoque
$2.46 / unidade
Ver ficha técnica →EPM3032ATC44-10AA
✅ Drop-In✓ Em estoque
$2.95 / unidade
Ver ficha técnica →EPM3032ATC44-10
✅ Drop-In✓ Em estoque
$0.78 / unidade
Ver ficha técnica →EPM3032ATC-44-10N
✅ Drop-In✓ Em estoque
$1.1 / unidade
Ver ficha técnica →EPM3032ALI44-10N
✅ Drop-In✓ Em estoque
$2.95 / unidade
Ver ficha técnica →EPM3032ALC44-10N
✅ Drop-In✓ Em estoque
$0.94 / unidade
Ver ficha técnica →EPM3032ATC44-10NAA Classificações máximas e características elétricas
| Family | MAX 3000A |
| Device Type | CPLD - Complex Programmable Logic Device |
| Number of Macrocells | 32 |
| Number of Logic Array Blocks (LABs) | 2 |
| Usable Gates | 600 |
| Number of User I/O Pins | 34 |
| Propagation Delay (tpd) | 10 ns |
| Core Supply Voltage | 3.3 V |
| I/O Logic Levels Supported | 5.0 V / 3.3 V / 2.5 V (MultiVolt) |
| Programming Technology | CMOS EEPROM (non-volatile) |
| In-System Programming | IEEE Std. 1149.1 JTAG + IEEE Std. 1532 |
| Hot-Socketing Support | Yes |
| Encapsulamento | 44-pin TQFP |
| Tipo de montagem | Surface Mount |
Configuração de pinos do EPM3032ATC44-10NAA
| Pino 1 | I/O — User I/O pin (MultiVolt, bank 1) |
| Pino 2 | I/O — User I/O pin (MultiVolt, bank 1) |
| Pino 3 | I/O — User I/O pin (MultiVolt, bank 1) |
| Pino 4 | I/O — User I/O pin (MultiVolt, bank 1) |
| Pino 5 | I/O — User I/O pin (MultiVolt, bank 1) |
| Pino 6 | GND — Ground |
| Pino 7 | I/O — User I/O pin (MultiVolt, bank 1) |
| Pino 8 | I/O — User I/O pin (MultiVolt, bank 1) |
| Pino 9 | I/O — User I/O pin (MultiVolt, bank 1) |
| Pino 10 | I/O — User I/O pin (MultiVolt, bank 1) |
| Pino 11 | TDI — JTAG Test Data In |
| Pino 12 | TMS — JTAG Test Mode Select |
| Pino 13 | TCK — JTAG Test Clock |
| Pino 14 | I/O — User I/O pin (MultiVolt, bank 1) |
| Pino 15 | VCCINT — Core supply voltage, 3.3V |
| Pino 16 | I/O — User I/O pin (MultiVolt, bank 1) |
| Pino 17 | I/O — User I/O pin (MultiVolt, bank 1) |
| Pino 18 | I/O — User I/O pin (MultiVolt, bank 1) |
| Pino 19 | I/O — User I/O pin (MultiVolt, bank 2) |
| Pino 20 | I/O — User I/O pin (MultiVolt, bank 2) |
| Pino 21 | GND — Ground |
| Pino 22 | I/O — User I/O pin (MultiVolt, bank 2) |
| Pino 23 | I/O — User I/O pin (MultiVolt, bank 2) |
| Pino 24 | I/O — User I/O pin (MultiVolt, bank 2) |
| Pino 25 | I/O — User I/O pin (MultiVolt, bank 2) |
| Pino 26 | INPUT/GCLK — Dedicated input / global clock |
| Pino 27 | INPUT/OE — Dedicated input / global output enable |
| Pino 28 | I/O — User I/O pin (MultiVolt, bank 2) |
| Pino 29 | I/O — User I/O pin (MultiVolt, bank 2) |
| Pino 30 | I/O — User I/O pin (MultiVolt, bank 2) |
| Pino 31 | I/O — User I/O pin (MultiVolt, bank 2) |
| Pino 32 | VCCIO — I/O supply voltage, bank 2 |
| Pino 33 | I/O — User I/O pin (MultiVolt, bank 2) |
| Pino 34 | I/O — User I/O pin (MultiVolt, bank 2) |
| Pino 35 | I/O — User I/O pin (MultiVolt, bank 2) |
| Pino 36 | I/O — User I/O pin (MultiVolt, bank 2) |
| Pino 37 | I/O — User I/O pin (MultiVolt, bank 2) |
| Pino 38 | I/O — User I/O pin (MultiVolt, bank 2) |
| Pino 39 | GND — Ground |
| Pino 40 | I/O — User I/O pin (MultiVolt, bank 2) |
| Pino 41 | I/O — User I/O pin (MultiVolt, bank 2) |
| Pino 42 | I/O — User I/O pin (MultiVolt, bank 2) |
| Pino 43 | I/O — User I/O pin (MultiVolt, bank 2) |
| Pino 44 | TDO — JTAG Test Data Out |
Aplicações típicas
EPM3032ATC44-10NAA é adequado para 6 aplicaçãos: Address Decoding and Glue Logic, Mixed-Voltage Logic-Level Translation, State Machine and Control Logic, I/O Expansion and Bus Interfacing, Legacy Telecom Linecard Glue, Industrial Control and Instrumentation.
Address Decoding and Glue Logic
The EPM3032ATC44-10NAA's 32 macrocells across 2 LABs and 34 user I/O pins make it well suited for address decoding, chip-select generation, and bus-interface glue logic in 8/16/32-bit microcontroller and microprocessor systems. With a 10 ns tpd the part can decode address lines and generate peripheral strobes within one clock cycle at 50 MHz. MultiVolt 5.0V/3.3V/2.5V I/O lets the CPLD bridge between a 5.0V legacy MCU bus and a 3.3V peripheral without external translators, saving both board area and BOM cost. Place the part near the address latch and route all decoded signals through it. Compared with discrete 74HC/74F logic, one EPM3032ATC44-10NAA replaces up to a dozen SSI/MSI packages.
Recomendado
Mixed-Voltage Logic-Level Translation
The MultiVolt I/O on the EPM3032ATC44-10NAA supports simultaneous 5.0V, 3.3V, and 2.5V logic interfaces on the same device by grouping pins into VCCIO banks. This makes it an excellent bidirectional voltage translator between legacy 5.0V peripherals and modern 3.3V or 2.5V ASICs, FPGAs, or processors. The 34 I/O pins can be partitioned into independent banks, each powered from its own VCCIO rail. Non-volatile EEPROM storage means translation logic remains in place after power cycling without reloading firmware. Use this for production-line replacement of discrete resistor-divider or FET-based level-shift circuits to reduce BOM count and improve signal integrity.
Recomendado
State Machine and Control Logic
Each EPM3032ATC44-10NAA macrocell contains a programmable AND-OR array with a configurable D flip-flop and selectable register/bypass modes, making the device an efficient platform for implementing multi-state control machines. With 32 macrocells, the part can host 10-15 states with multiple output decoded actions per state. The 10 ns tpd and global clock/clear networks support deterministic synchronous state transitions. Common uses include motor-control sequencers, traffic-light controllers, vending-machine state graphs, and industrial timer/counter logic. The non-volatile EEPROM cell also stores the state machine definition permanently, so power-cycling does not require reconfiguration.
Recomendado
I/O Expansion and Bus Interfacing
Microcontrollers with too few GPIOs can use the EPM3032ATC44-10NAA as an I/O expander, exposing up to 34 additional general-purpose I/O pins controlled over SPI or parallel from the host MCU. Each pin supports 5.0V/3.3V/2.5V signaling, so the expander can drive or receive logic levels the host MCU cannot tolerate directly. The non-volatile configuration also enables standalone bus-interface bridges (for example, parallel-to-parallel with timing adjustments or 8-bit to 16-bit multiplexing) without any host processor intervention. Engineers use this to recover from MCU pin shortages or to add legacy-parallel peripherals to modern SPI-only processors.
Recomendado
Legacy Telecom Linecard Glue
Telecom linecard designs historically used MAX 3000A parts like the EPM3032ATC44-10NAA for alarm monitoring, switch-fabric control, and clock-distribution glue logic. The 3.3V core, MultiVolt 5.0V/3.3V I/O, and hot-socketing support let linecards be inserted into a live backplane without damaging the CPLD or backplane drivers. The IEEE Std. 1149.1 JTAG interface enables board-level boundary-scan test of the surrounding circuitry, critical for high-pin-count telecom assemblies. For modern designs requiring long-term support, migrate to MAX II EPM240 or MAX V devices, which offer higher density and active product lifecycle.
Recomendado
Industrial Control and Instrumentation
In industrial control panels and instrumentation equipment, the EPM3032ATC44-10NAA consolidates random SSI/MSI glue logic into a single reprogrammable device, simplifying manufacturing and enabling late-stage design changes via JTAG. The 34 MultiVolt I/O pins can interface directly to 24V-to-5V signal-conditioning circuits, opto-isolated inputs, and 3.3V sensor buses from the same chip. Non-volatile EEPROM storage holds the configuration across power cycles and brown-outs. Designers use this part to implement safety-interlock logic, encoder/decoder pairs, pulse-width modulation timing, and front-panel multiplexing. Although marked obsolete, it remains in service in many legacy industrial machines and continues to be specified for spare-part replacements.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para EPM3032ATC44-10NAA — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | EPM3032ATC44-10N | EPM3032ATC44-10AA | EPM3032ATC44-10 | EPM3032ATC-44-10N | EPM3032ALI44-10N | EPM3032ALC44-10N |
|---|---|---|---|---|---|---|---|
| Brand | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) |
| Package | 44-pin TQFP | 44-pin TQFP (same) | 44-pin TQFP (same) | 44-pin TQFP (same) | 44-pin TQFP (same) | 44-pin TQFP (same) | 44-pin TQFP (same) |
| Family | MAX 3000A | MAX 3000A (same) | MAX 3000A (same) | MAX 3000A (same) | MAX 3000A (same) | MAX 3000A (same) | MAX 3000A (same) |
| Number of Macrocells | 32 | 32 (same) | 32 (same) | 32 (same) | 32 (same) | 32 (same) | 32 (same) |
| Number of User I/O | 34 | 34 (same) | 34 (same) | 34 (same) | 34 (same) | 34 (same) | 34 (same) |
| Core Voltage | 3.3 V | 3.3 V (same) | 3.3 V (same) | 3.3 V (same) | 3.3 V (same) | 3.3 V (same) | 3.3 V (same) |
| MultiVolt I/O Levels | 5.0V/3.3V/2.5V | 5.0V/3.3V/2.5V (same) | 5.0V/3.3V/2.5V (same) | 5.0V/3.3V/2.5V (same) | 5.0V/3.3V/2.5V (same) | 5.0V/3.3V/2.5V (same) | 5.0V/3.3V/2.5V (same) |
| Programming Interface | IEEE 1149.1 JTAG + IEEE 1532 | IEEE 1149.1 JTAG + IEEE 1532 (same) | IEEE 1149.1 JTAG + IEEE 1532 (same) | IEEE 1149.1 JTAG + IEEE 1532 (same) | IEEE 1149.1 JTAG + IEEE 1532 (same) | IEEE 1149.1 JTAG + IEEE 1532 (same) | IEEE 1149.1 JTAG + IEEE 1532 (same) |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
Principais diferenciais
- Identical silicon die across drop-in family variants (vs EPM3032ATC44-10N)
- Industrial-temperature drop-in option available (vs EPM3032ALI44-10N)
- MultiVolt 5.0V/3.3V/2.5V I/O eliminates external translators (vs Discrete 74-series logic translators)
Notas de projeto
Decouple the EPM3032ATC44-10NAA following the MAX 3000A family datasheet guideline: place one 0.1 uF ceramic capacitor between each VCCINT pin and the nearest GND, plus a single 10-100 uF bulk capacitor on the 3.3V core rail near the package. Each VCCIO bank should also have its own 0.1 uF decoupling capacitor. Keep all decoupling traces short (under 5 mm) to minimize parasitic inductance at the CPLD's switching edges.
When using the EPM3032ATC44-10NAA's MultiVolt I/O to translate between 5.0V and 3.3V logic, group all 5.0V peripherals on one VCCIO bank and all 3.3V peripherals on a different bank. Mixing voltages within a single bank risks contention or forward-biasing the I/O ESD diodes. Series resistors (22-33 ohm) on high-speed outputs can help dampen ringing when driving long PCB traces.
Estimated: This part is marked obsolete by Intel/Altera, so new orders depend on remaining distributor and broker stock. Verify lead time and authenticity with multiple authorized sources before committing to production. Plan a migration path to MAX II (EPM240) or MAX V devices for new designs, since the JTAG chain, Quartus compilation database, and pinout will all need updating. Do not assume long-term availability of any EPM3032ATC44- variant.
Route JTAG signals TCK, TMS, TDI, TDO as a daisy chain through all JTAG devices on the board; do not stub these lines. Place pull-up resistors on TMS and TDI (per IEEE 1149.1) and a pull-up on TCK if the boundary-scan controller does not drive it continuously. Keep JTAG traces away from high-current switching signals to prevent programming failures during in-system programming.
Informações de conformidade
The Altera EPM3032ATC44-10NAA predates RoHS enforcement timelines in the original datasheet family; RoHS/REACH/lead-free status is not explicitly stated in the verified data and is marked unknown. This part is not qualified to AEC-Q100 because it is a commercial-grade programmable logic device, not an automotive-grade IC.