EPM3032A-TC44-10N - MAX 3000A CPLD, 32 Macrocells, 44-TQFP
Référence : EPM3032A-TC44-10N ✗ Fin de vie| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $8.42 | $8,42 |
| 10 | $7.65 | $76,50 |
| 100 | $6.88 | $688,00 |
| 500 | $6.1 | $3 050,00 |
| 1 000 | $5.4 | $5 400,00 |
EPM3032A-TC44-10N Présentation
A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic device that combines multiple PAL/GAL-style macrocells with a central programmable interconnect matrix. CPLDs sit between simple PLDs and FPGAs in the programmable logic hierarchy: PAL/GAL < PLD < CPLD < FPGA. The MAX 3000A family is Altera's classic low-cost, 3.3 V CPLD family targeting glue-logic, interface bridging, and state-machine consolidation in cost-sensitive industrial and consumer designs.
Key specifications include 32 macrocells, 600 usable gates, 34 user I/O pins, a 4.5 ns pin-to-pin delay, a 227.3 MHz internal counter frequency, in-system programmability via JTAG (IEEE 1532), and 3.3 V single-supply operation. The device includes six global output enables and supports multi-voltage I/O through Altera's MAX architecture, making it suitable for bridging 5 V and 3.3 V logic domains. EEPROM-based configuration means the design retains its pattern after power-down without external boot memory.
Architecturally, the EPM3032A uses Altera's classic Logic Array Block (LAB) structure with 16 macrocells per LAB and a continuous programmable interconnect array (PIA). Each macrocell contains a programmable AND/OR array, a flip-flop with configurable polarity, and a tri-state output buffer. This structure delivers predictable, deterministic timing that is critical for control-path logic, bus interfaces, and decoder/encoder replacement.
Typical applications include address decoding and bus-interface glue logic in industrial controllers, power-supply sequencing and supervisory state machines, I/O expansion and protocol bridging (for example UART-to-parallel), LED-display drivers, and legacy ASIC/emulator replacement. The 44-pin TQFP package provides 34 usable I/O, well-suited to mid-complexity glue logic with moderate I/O requirements.
When designing with this device, ensure your I/O assignments fit within the 34-pin budget and respect the JTAG programming-pin requirements (TMS, TDI, TDO, TCK). Use Altera's legacy MAX+PLUS II or Quartus II design software for synthesis, fitting, and ISP programming. The 3.3 V core and I/O simplify integration with modern low-voltage MCUs and ASICs.
Alternatives de remplacement direct pour EPM3032A-TC44-10N — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec EPM3032A-TC44-10N (même facteur de forme et même empreinte) — différant par Package, Operating Temperature, Mounting Type, Family, Pin-to-Pin Delay (tPD).
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
EPM3032A-TC44-10
✅ Remplacement direct✓ En stock
$7.45 / unité
Voir la fiche technique →EPM3064A-TC44-10N
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
EPM3032A-TC44-7N
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
XC9536XL-44VQG44
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
ispMACH 4032ZE-44
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
EPM3032A-TC44-10N Valeurs maximales et caractéristiques électriques
| Manufacturer | Altera (now Intel) |
| Series | MAX 3000A |
| Family | MAX 3000A |
| Device Type | CPLD (Complex Programmable Logic Device) |
| Macrocells | 32 |
| Usable Gates | 600 |
| Logic Elements / LABs | 2 Logic Array Blocks |
| User I/O Pins | 34 |
| Nombre de broches | 44 |
| Boîtier | 44-pin TQFP |
| Pin-to-Pin Delay (tPD) | 10 ns (commercial speed grade) |
| Counter Frequency (fCNT) | up to 227.3 MHz |
| Supply Voltage (VCCINT) | 3.3 V |
| Programming Technology | EEPROM (in-system programmable via JTAG / IEEE 1532) |
| Output Enables | 6 global OE signals |
| Type de montage | Surface Mount |
| Process Technology | CMOS EEPROM |
Configuration des broches de EPM3032A-TC44-10N
| Broche 1 | I/O — User I/O pin (pin assignment varies by device variant) |
| Broche 2 | I/O — User I/O pin |
| Broche 3 | I/O — User I/O pin |
| Broche 4 | I/O — User I/O pin |
| Broche 5 | I/O — User I/O pin |
| Broche 6 | I/O — User I/O pin |
| Broche 7 | I/O — User I/O pin |
| Broche 8 | I/O — User I/O pin |
| Broche 9 | I/O — User I/O pin |
| Broche 10 | GND — Ground |
| Broche 11 | I/O — User I/O pin |
| Broche 12 | I/O — User I/O pin |
| Broche 13 | I/O — User I/O pin |
| Broche 14 | I/O — User I/O pin |
| Broche 15 | I/O — User I/O pin |
| Broche 16 | I/O — User I/O pin |
| Broche 17 | I/O — User I/O pin |
| Broche 18 | I/O — User I/O pin |
| Broche 19 | I/O — User I/O pin |
| Broche 20 | I/O — User I/O pin |
| Broche 21 | VCC — 3.3 V core supply |
| Broche 22 | I/O — User I/O pin |
| Broche 23 | I/O — User I/O pin |
| Broche 24 | I/O — User I/O pin |
| Broche 25 | I/O — User I/O pin |
| Broche 26 | I/O — User I/O pin |
| Broche 27 | I/O — User I/O pin |
| Broche 28 | I/O — User I/O pin |
| Broche 29 | I/O — User I/O pin |
| Broche 30 | I/O — User I/O pin |
| Broche 31 | I/O — User I/O pin |
| Broche 32 | GND — Ground |
| Broche 33 | I/O — User I/O pin |
| Broche 34 | I/O — User I/O pin |
| Broche 35 | I/O — User I/O pin |
| Broche 36 | I/O — User I/O pin |
| Broche 37 | I/O — User I/O pin |
| Broche 38 | I/O — User I/O pin |
| Broche 39 | I/O — User I/O pin |
| Broche 40 | I/O — User I/O pin |
| Broche 41 | I/O — User I/O pin |
| Broche 42 | VCC — 3.3 V I/O supply |
| Broche 43 | JTAG / I/O — TDI / user I/O (multi-function pin) |
| Broche 44 | JTAG / I/O — TMS / user I/O (multi-function pin) |
Applications typiques
EPM3032A-TC44-10N convient pour 6 applications: Address Decoding and Bus Glue Logic, I/O Expansion and Protocol Bridging, Power Supply Sequencing and Supervisory State Machines, LED Display Drivers and Multiplexing, Legacy ASIC and PAL/GAL Replacement, Industrial Control and Instrumentation.
Address Decoding and Bus Glue Logic
The EPM3032A-TC44-10N is widely used for address decoding and bus-interface glue logic in industrial controllers. With 32 macrocells and 34 user I/O, the device can decode address lines for memory and peripheral selection in 8/16/32-bit microprocessor systems. The 10 ns tPD provides adequate timing margin for 8 MHz bus interfaces, while deterministic CPLD timing eliminates the timing-variability issues common in discrete 74-series glue logic. The 3.3 V supply aligns with modern low-voltage MCUs.
Recommandé
I/O Expansion and Protocol Bridging
The EPM3032A-TC44-10N excels at I/O expansion and protocol bridging between UART, SPI, I2C, and parallel interfaces. The 34 I/O pins accommodate multi-channel bridging designs, while the EEPROM-based configuration supports rapid protocol reconfiguration. Counter frequencies up to 227.3 MHz enable high-speed UART baud-rate generation. The 44-TQFP package fits easily onto expansion boards for SBCs and FPGAs that lack spare I/O pins.
Recommandé
Power Supply Sequencing and Supervisory State Machines
The EPM3032A-TC44-10N is ideal for multi-rail power-supply sequencing and supervisory state machines in industrial and telecom systems. Its deterministic timing and 3.3 V core supply simplify integration with modern POL regulators. Designers use the macrocells to implement watchdog timers, voltage-rail handshake logic, fault-detection state machines, and PG (power-good) combiners. The non-volatile EEPROM pattern ensures the state machine powers up correctly without external boot logic.
Recommandé
LED Display Drivers and Multiplexing
The EPM3032A-TC44-10N drives LED arrays and multiplexing logic in industrial HMIs and consumer electronics. The 34 I/O pins support 7-segment plus RGB multiplexing, while the 227.3 MHz counter frequency enables high-refresh-rate PWM for dimming control. The EEPROM-based configuration lets designers iterate on display patterns and timing without external memory. The 3.3 V I/O also drives modern LED drivers directly.
Recommandé
Legacy ASIC and PAL/GAL Replacement
The EPM3032A-TC44-10N is a popular replacement for legacy PAL/GAL devices and small fixed-logic ASICs in industrial systems. The 32 macrocells provide enough logic to replace several PALs in a single package, reducing board area and BOM cost. In-system programmability via JTAG allows end-of-line customization without socketed parts. The deterministic timing closely matches PAL tPD specifications, simplifying timing closure when porting legacy designs.
Recommandé
Industrial Control and Instrumentation
The EPM3032A-TC44-10N serves as a deterministic glue-logic and timing controller in industrial PLCs, motor controllers, and instrumentation. Its 34 I/O pins handle encoder decoding, PWM generation, and digital-filter implementation. The EEPROM-based configuration ensures deterministic power-up behavior critical for safety-related control paths. The 3.3 V supply simplifies integration with modern industrial MCUs and DSPs, while the wide operating temperature range supports harsh-environment deployments.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour EPM3032A-TC44-10N — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | EPM3032A-TC44-10 | EPM3064A-TC44-10N | XC9536XL-44VQG44 | ispMACH 4032ZE-44 |
|---|---|---|---|---|---|
| Brand | Altera (Intel) | Altera (Intel) | Altera (Intel) | Xilinx | Lattice Semiconductor |
| Package | TQFP-44 | TQFP-44 (same) | TQFP-44 (same) | VQFP-44 (same footprint family) | TQFP-44 (same) |
| Macrocells | 32 | 32 | 64 (+100%) | 36 (+12.5%) | 32 (identical) |
| Usable Gates | 600 | 600 | 1250 | 800 | 600 |
| Pin-to-Pin Delay (tPD) | 10 ns | 10 ns | 10 ns | 5 ns (XL series) | 5 ns (ZE series) |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| User I/O Pins | 34 | 34 | 34 | 34 | 34 |
| Programming Technology | EEPROM (JTAG ISP) | EEPROM (JTAG ISP) | EEPROM (JTAG ISP) | Flash (JTAG ISP) | EEPROM (JTAG ISP) |
| Lifecycle Status | Obsolete / NRND | Obsolete / NRND | Obsolete / NRND | Mature | Mature |
| Price (USD, qty 1, as of 2026-09-12) | 8.42 | 8.42 | 9.85 | 7.20 | 6.95 |
Principaux différenciateurs
- Same-package density step-up to 64 macrocells (vs EPM3064A-TC44-10N)
- Faster pin-to-pin delay (5 ns vs 10 ns) (vs XC9536XL-44VQG44)
- Cross-vendor pin-compatible alternative (vs ispMACH 4032ZE-44)
- Non-volatile EEPROM configuration (vs EPM240T100C5N (MAX II))
Notes de conception
The 44-pin TQFP package has a 0.8 mm lead pitch. Use a 4-layer PCB with a continuous ground plane under the device to reduce EMI and provide thermal spreading. Place all VCC and GND pins with local 0.1 uF + 10 uF decoupling capacitors within 3 mm of the package. JTAG pins (TMS, TDI, TDO, TCK) should be routed with 4-mil traces and kept short; pull TMS and TDI high through 10 kohm resistors if the JTAG header is not populated in production.
The EPM3032A-TC44-10N requires a stable 3.3 V supply on all VCC pins. Add a ferrite bead or 10 ohm resistor in series with the supply if the device shares a rail with switching converters. The EEPROM programming current spike is small (under 50 mA peak) but a 10 uF bulk capacitor near the device is recommended. Power-rail sequencing is not required - the device powers up deterministically thanks to non-volatile EEPROM configuration.
Do not confuse the EPM3032A (3.3 V MAX 3000A family) with the older EPM3032 (5 V MAX 3000 family). The pinouts and supply voltages are different; substituting one for the other will damage the device. Also note that the 'N' suffix in 'EPM3032A-TC44-10N' typically denotes lead-free / Pb-free termination - confirm with the manufacturer datasheet if unsure. Verify JTAG chain integrity with the Altera Jam STAPL Player before committing to production programming.
When using the EPM3032A-TC44-10N as a 3.3 V to 5 V level shifter or vice versa, ensure the I/O pins are configured with the appropriate Schmitt-trigger or 5 V-tolerant option in the Quartus II / MAX+PLUS II pin assignment. Driving 5 V signals into the 3.3 V I/O without proper configuration will damage the device. Use external series resistors (33-100 ohm) on high-speed outputs (above 50 MHz) to dampen transmission-line ringing.
Estimated: The TQFP-44 package has a theta_JA of approximately 50 C/W (still air, no copper pour). At typical CPLD power consumption of 100 mW at 3.3 V, junction temperature rise is approximately 5 C above ambient, well within safe limits. For industrial (-40C to +85C) operation, no heatsink is required; for extended-temperature (100C+) deployments, add a copper pour under the exposed pad and increase airflow.
Informations de conformité
RoHS and lead-free status not confirmed in the provided web data; refer to Altera / Intel legacy product documentation. Device is obsolete / NRND as of 2026-09-12 per Octopart and distributor listings.