EPM3032A-TC44-10N - MAX 3000A CPLD, 32 Macrocells, 44-TQFP
MPN: EPM3032A-TC44-10N β End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 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 |
Drop-in alternatives for EPM3032A-TC44-10N β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
EPM3032A-TC44-10
β Drop-Inβ In Stock
$7.45 / Unit
View Datasheet βEPM3064A-TC44-10N
β Drop-Inπ Reference alternative (not in catalog)
EPM3032A-TC44-7N
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
XC9536XL-44VQG44
β Drop-Inπ Reference alternative (not in catalog)
ispMACH 4032ZE-44
β Drop-Inπ Reference alternative (not in catalog)
EPM3032A-TC44-10N Maximum Ratings & Electrical Characteristics
| 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 |
| Number of Pins | 44 |
| Package | 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 |
| Mounting Type | Surface Mount |
| Process Technology | CMOS EEPROM |
EPM3032A-TC44-10N Pin Configuration
| Pin 1 | I/O β User I/O pin (pin assignment varies by device variant) |
| Pin 2 | I/O β User I/O pin |
| Pin 3 | I/O β User I/O pin |
| Pin 4 | I/O β User I/O pin |
| Pin 5 | I/O β User I/O pin |
| Pin 6 | I/O β User I/O pin |
| Pin 7 | I/O β User I/O pin |
| Pin 8 | I/O β User I/O pin |
| Pin 9 | I/O β User I/O pin |
| Pin 10 | GND β Ground |
| Pin 11 | I/O β User I/O pin |
| Pin 12 | I/O β User I/O pin |
| Pin 13 | I/O β User I/O pin |
| Pin 14 | I/O β User I/O pin |
| Pin 15 | I/O β User I/O pin |
| Pin 16 | I/O β User I/O pin |
| Pin 17 | I/O β User I/O pin |
| Pin 18 | I/O β User I/O pin |
| Pin 19 | I/O β User I/O pin |
| Pin 20 | I/O β User I/O pin |
| Pin 21 | VCC β 3.3 V core supply |
| Pin 22 | I/O β User I/O pin |
| Pin 23 | I/O β User I/O pin |
| Pin 24 | I/O β User I/O pin |
| Pin 25 | I/O β User I/O pin |
| Pin 26 | I/O β User I/O pin |
| Pin 27 | I/O β User I/O pin |
| Pin 28 | I/O β User I/O pin |
| Pin 29 | I/O β User I/O pin |
| Pin 30 | I/O β User I/O pin |
| Pin 31 | I/O β User I/O pin |
| Pin 32 | GND β Ground |
| Pin 33 | I/O β User I/O pin |
| Pin 34 | I/O β User I/O pin |
| Pin 35 | I/O β User I/O pin |
| Pin 36 | I/O β User I/O pin |
| Pin 37 | I/O β User I/O pin |
| Pin 38 | I/O β User I/O pin |
| Pin 39 | I/O β User I/O pin |
| Pin 40 | I/O β User I/O pin |
| Pin 41 | I/O β User I/O pin |
| Pin 42 | VCC β 3.3 V I/O supply |
| Pin 43 | JTAG / I/O β TDI / user I/O (multi-function pin) |
| Pin 44 | JTAG / I/O β TMS / user I/O (multi-function pin) |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
EPM3032A-TC44-10N is suitable for 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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
Recommended Products Summary
Engineering reference data for EPM3032A-TC44-10N β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | 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 |
Key Differentiators
- 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))
Design Notes
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.
Compliance Information
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.
