EPM3032ATI44-10 - 32-Macrocell 10ns CPLD, 44-TQFP | Intel / Altera
MPN: EPM3032ATI44-10 β End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 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 |
Drop-in alternatives for EPM3032ATI44-10 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:
EPM3032ATC44-10N
β Drop-Inβ In Stock
$2.46 / Unit
View Datasheet βEPM3032ATC44-10
β Drop-Inβ In Stock
$0.78 / Unit
View Datasheet βEPM3032ALI44-10N
β Drop-Inβ In Stock
$2.95 / Unit
View Datasheet βEPM3064ATI44-10
β Drop-Inβ In Stock
$7.65 / Unit
View Datasheet βXC9536XL-10VQ44I
β Drop-Inπ Reference alternative (not in catalog)
EPM3032ATI44-10 Maximum Ratings & Electrical Characteristics
| 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 |
| Operating Temperature Range | -40 Β°C to +85 Β°C (Industrial) |
| Package | 44-pin TQFP |
| Mounting Type | 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) |
| RoHS Status | Non-Compliant (non-N suffix) |
| Logic Family | EE PLD (CPLD) |
EPM3032ATI44-10 Pin Configuration
| Pin 1 | I/O β User I/O pin (macrocell-driven) |
| Pin 2 | I/O β User I/O pin (macrocell-driven) |
| Pin 3 | I/O β User I/O pin (macrocell-driven) |
| Pin 4 | I/O β User I/O pin (macrocell-driven) |
| Pin 5 | I/O β User I/O pin (macrocell-driven) |
| Pin 6 | I/O β User I/O pin (macrocell-driven) |
| Pin 7 | I/O β User I/O pin (macrocell-driven) |
| Pin 8 | I/O β User I/O pin (macrocell-driven) |
| Pin 9 | I/O β User I/O pin (macrocell-driven) |
| Pin 10 | GND β Ground |
| Pin 11 | I/O β User I/O pin (macrocell-driven) |
| Pin 12 | I/O β User I/O pin (macrocell-driven) |
| Pin 13 | I/O β User I/O pin (macrocell-driven) |
| Pin 14 | I/O β User I/O pin (macrocell-driven) |
| Pin 15 | I/O β User I/O pin (macrocell-driven) |
| Pin 16 | I/O β User I/O pin (macrocell-driven) |
| Pin 17 | I/O β User I/O pin (macrocell-driven) |
| Pin 18 | I/O β User I/O pin (macrocell-driven) |
| Pin 19 | GND β Ground |
| Pin 20 | I/O β User I/O pin (macrocell-driven) |
| Pin 21 | I/O β User I/O pin (macrocell-driven) |
| Pin 22 | I/O β User I/O pin (macrocell-driven) |
| Pin 23 | I/O β User I/O pin (macrocell-driven) |
| Pin 24 | I/O β User I/O pin (macrocell-driven) |
| Pin 25 | I/O β User I/O pin (macrocell-driven) |
| Pin 26 | I/O β User I/O pin (macrocell-driven) |
| Pin 27 | I/O β User I/O pin (macrocell-driven) |
| Pin 28 | VCC β VCCIO (3.3 V I/O supply) |
| Pin 29 | TDI β JTAG Test Data In |
| Pin 30 | TMS β JTAG Test Mode Select |
| Pin 31 | TCK β JTAG Test Clock |
| Pin 32 | GND β Ground |
| Pin 33 | TDO β JTAG Test Data Out |
| Pin 34 | I/O β User I/O pin (macrocell-driven) |
| Pin 35 | I/O β User I/O pin (macrocell-driven) |
| Pin 36 | I/O β User I/O pin (macrocell-driven) |
| Pin 37 | I/O β User I/O pin (macrocell-driven) |
| Pin 38 | I/O β User I/O pin (macrocell-driven) |
| Pin 39 | I/O β User I/O pin (macrocell-driven) |
| Pin 40 | I/O β User I/O pin (macrocell-driven) |
| Pin 41 | I/O β User I/O pin (macrocell-driven) |
| Pin 42 | VCC β VCCINT (3.3 V core supply) |
| Pin 43 | I/O β User I/O pin (macrocell-driven) |
| Pin 44 | I/O β User I/O pin (macrocell-driven) |
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
EPM3032ATI44-10 is suitable for 7 applications: 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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
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 Β°C to +85 Β°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.
Recommended
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.
Recommended
Recommended Products Summary
Engineering reference data for EPM3032ATI44-10 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | 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 Β°C to +85 Β°C (Industrial) | 0 Β°C to +70 Β°C (Commercial) | 0 Β°C to +70 Β°C (Commercial) | -40 Β°C to +85 Β°C (Industrial) | -40 Β°C to +85 Β°C (Industrial) | -40 Β°C to +85 Β°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 |
| Approx. Unit Price (qty 1) | $1.72 | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
Key Differentiators
- 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)
Design Notes
Decouple every VCCINT/VCCIO pin pair on the EPM3032ATI44-10 with a 0.1 Β΅F ceramic capacitor placed within 3 mm of the package pin, plus a bulk 10 Β΅F 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 kΞ© 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 ΞΈJA around 65 Β°C/W (estimated from package dimensions; manufacturer value not in provided data). At 1 W total power dissipation this gives a 65 Β°C junction rise above ambient, so the industrial 85 Β°C ceiling is reached at only 20 Β°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 Β°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.
Compliance Information
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.
