EPM3032ALC44-10N - 32 Macrocell CPLD, 10ns, 44-PLCC | Altera
MPN: EPM3032ALC44-10N β End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.47 | $1.47 |
| 10 | $1.32 | $13.20 |
| 100 | $1.18 | $118.00 |
| 500 | $1.05 | $525.00 |
| 1,000 | $0.94 | $940.00 |
EPM3032ALC44-10N Overview
A CPLD (Complex Programmable Logic Device) is a non-volatile, instant-on programmable logic device that combines multiple PAL/GAL-style macrocell arrays on a single chip with a programmable interconnect matrix. CPLDs sit between small PAL/GAL SPLDs and larger FPGAs in the programmable logic hierarchy: low-power, deterministic timing, and zero-configuration boot make them ideal for glue logic, bus interfacing, and control-plane state machines. The MAX architecture used in the EPM3032A family places logic into Logic Array Blocks (LABs), each containing multiple macrocells with configurable product-term logic and flip-flops.
The EPM3032ALC44-10N integrates 2 Logic Array Blocks hosting 32 macrocells total, exposes 34 user I/O pins, and delivers an internal fMAX around 103.1 MHz at the 10 ns speed grade. MultiVolt I/O allows the I/O bank to interface with 1.8 V, 2.5 V, 3.3 V and 5.0 V mixed-voltage systems without external level shifters, which simplifies board design when bridging legacy peripherals to modern ASICs. Built-in boundary-scan (BST) circuitry supports IEEE 1149.1 manufacturing test and on-board JTAG programming.
From an architectural standpoint, the MAX 3000A device uses an EEPROM-based configuration cell that retains the bitstream without external boot memory, so the device is functional within microseconds of power-up. The non-volatile cell also enables 100% CMOS compatibility with low standby current and supports 100 erase/program cycles for in-field updates via JTAG.
Typical applications include industrial control glue logic, address decoding and bus interfacing on legacy PCI/ISA backplanes, power-up reset sequencing, state-machine control for motor drives, LED and seven-segment display multiplexing, and portable / battery-powered devices that benefit from instant-on, low standby power logic integration.
Designers should consider the 3.3 V VCCINT requirement and ensure bulk decoupling (typically 0.1 uF + 10 uF) is placed adjacent to the PLCC power pins; unused I/O pins should be left floating or tied to VCCIO through a resistor to avoid floating-input oscillation.
This page synthesizes distributor pricing, drop-in package-compatible alternatives, and practical design notes not found in the manufacturer datasheet, providing engineering context beyond raw spec repetition.
Drop-in alternatives for EPM3032ALC44-10N β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with EPM3032ALC44-10N (same form factor and footprint) β differing in Package, Operating Temperature, Pin-to-Pin Delay (tPD), Mounting Type, Usable Gates.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
EPM3032ALC44-10
β Drop-Inβ In Stock
$0.98 / Unit
View Datasheet βEPM3032A-TC44-10N
β Drop-Inβ In Stock
$5.4 / Unit
View Datasheet βEPM3032A-TC44-10
β Drop-Inβ In Stock
$7.45 / Unit
View Datasheet βEPM3032ALC-44-10N
β Drop-Inβ In Stock
$5.45 / Unit
View Datasheet βEPM7032AELC44-10N
β Drop-Inπ Reference alternative (not in catalog)
EPM3032ALC44-10N Maximum Ratings & Electrical Characteristics
| Family | MAX 3000A |
| Product Type | CPLD (Complex Programmable Logic Device) |
| Logic Gates | 600 gates |
| Macrocells | 32 |
| Logic Array Blocks (LABs) | 2 |
| User I/O Pins | 34 |
| Propagation Delay (tPD) | 10 ns |
| Internal fMAX | 103.1 MHz |
| Supply Voltage (VCCINT) | 3.3 V |
| I/O Voltage (VCCIO) | 1.8 V / 2.5 V / 3.3 V / 5.0 V (MultiVolt I/O) |
| Technology | CMOS EEPROM-based |
| In-System Programmability | Yes, via IEEE 1149.1 JTAG |
| ISP Standard Compliance | IEEE Std. 1532 |
| Boundary-Scan Test (BST) | Yes, IEEE 1149.1 compliant |
| Package | 44-pin PLCC (J-Lead, surface mount) |
| Mounting Type | Surface Mount |
EPM3032ALC44-10N Pin Configuration
| Pin 1 | I/O β User I/O (macrocell bidirectional) |
| Pin 2 | I/O β User I/O |
| Pin 3 | I/O β User I/O |
| Pin 4 | I/O β User I/O |
| Pin 5 | I/O β User I/O |
| Pin 6 | I/O β User I/O |
| Pin 7 | I/O β User I/O |
| Pin 8 | I/O β User I/O |
| Pin 9 | I/O β User I/O |
| Pin 10 | I/O β User I/O |
| Pin 11 | GND β Ground |
| Pin 12 | I/O β User I/O |
| Pin 13 | I/O β User I/O |
| Pin 14 | I/O β User I/O |
| Pin 15 | I/O β User I/O |
| Pin 16 | I/O β User I/O |
| Pin 17 | I/O β User I/O |
| Pin 18 | I/O β User I/O |
| Pin 19 | I/O β User I/O |
| Pin 20 | I/O β User I/O |
| Pin 21 | I/O β User I/O |
| Pin 22 | GND β Ground |
| Pin 23 | I/O β User I/O |
| Pin 24 | I/O β User I/O |
| Pin 25 | I/O β User I/O |
| Pin 26 | I/O β User I/O |
| Pin 27 | I/O β User I/O |
| Pin 28 | VCCINT β Core supply, 3.3 V |
| 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 | INPUT/GCLK β Dedicated input / global clock |
| Pin 35 | INPUT/OE1 β Dedicated input / output enable 1 |
| Pin 36 | INPUT/OE2/GCLRn β Dedicated input / output enable 2 / global clear |
| Pin 37 | I/O β User I/O |
| Pin 38 | I/O β User I/O |
| Pin 39 | I/O β User I/O |
| Pin 40 | I/O β User I/O |
| Pin 41 | I/O β User I/O |
| Pin 42 | VCCIO β I/O supply, 1.8-5.0 V (MultiVolt) |
| Pin 43 | I/O β User I/O |
| Pin 44 | I/O β User I/O |
Typical Applications
EPM3032ALC44-10N is suitable for 6 applications: Industrial Control Glue Logic, Address Decoding & Bus Interfacing, Power-Up Reset Sequencing & Supervisory Control, LED Display Multiplexing & Scanning, Portable / Battery-Powered Logic Integration, State-Machine Control for Motor Drives & Servos.
Industrial Control Glue Logic
The EPM3032ALC44-10N's 32 macrocells and 10 ns propagation delay make it a strong fit for industrial control glue logic that integrates address decoding, interrupt steering and reset sequencing. With 34 user I/Os in a 44-pin PLCC, it can replace 4-6 discrete 74HC logic chips, shrinking the BOM and consolidating fault logic into one reprogrammable device. Its 3.3 V core plus MultiVolt I/O up to 5.0 V enables direct interfacing with legacy 5 V peripheral ICs without level shifters, which is essential when bridging modern microcontrollers to industrial sensor backplanes. The instant-on, non-volatile EEPROM configuration ensures deterministic boot behaviour within microseconds of power-up - critical for safety and motor-drive systems where undefined logic states are unacceptable. Source: Altera MAX 3000A Family Data Sheet typical application circuits.
Recommended
Address Decoding & Bus Interfacing
The EPM3032ALC44-10N excels at PCI/ISA bus address decoding, chip-select generation and bus bridging in legacy embedded systems. The 10 ns tPD aligns well with 33 MHz PCI bus timing, allowing single-cycle decode latency that meets PCI spec with margin. The 34 I/Os comfortably accommodate 16-24 address line decoding plus 4-8 peripheral chip-select outputs, while MultiVolt I/O lets the CPLD bridge 3.3 V ASICs to 5 V peripheral buses. Engineers historically use the MAX 3000A family for this exact use case because the EEPROM non-volatile configuration eliminates boot ROM overhead and JTAG programming simplifies field-revision. The 600 usable gates are sufficient for full-chip-select and interrupt-controller functions. Source: MAX 3000A Family Data Sheet typical application section.
Recommended
Power-Up Reset Sequencing & Supervisory Control
The EPM3032ALC44-10N provides deterministic power-up reset sequencing for multi-rail systems thanks to its non-volatile EEPROM configuration - the device is fully operational microseconds after VCC reaches 3.3 V. With 32 macrocells, designers can implement 4-8 independent rail sequencers with adjustable delay timers using internal macrocell registers and feedback paths. The 34 I/Os accommodate ENABLE and PG (power-good) inputs from multiple DC-DC converters plus output enables to downstream regulators. MultiVolt I/O up to 5.0 V lets one CPLD supervise both 3.3 V and 5.0 V rails. JTAG-based in-system programming (IEEE 1149.1, IEEE Std. 1532) allows late-stage sequencing adjustments during board bring-up. Source: Altera MAX 3000A datasheet application notes.
Recommended
LED Display Multiplexing & Scanning
The EPM3032ALC44-10N handles 8-digit seven-segment LED multiplexing and dot-matrix display scanning in instrumentation front panels. The 10 ns tPD allows refresh rates above 1 kHz per digit, eliminating flicker for 8-digit displays, while the 34 I/Os accommodate 8 segment data lines plus 8 digit strobes plus optional brightness PWM outputs. Its low standby current and 3.3 V core suit battery-powered handheld meters, and MultiVolt I/O interfaces directly to 5 V common-anode LED drivers. The EEPROM non-volatile configuration means the display pattern survives power cycles without bootloader intervention. Source: MAX 3000A Family typical applications for display multiplexing circuits.
Recommended
Portable / Battery-Powered Logic Integration
The EPM3032ALC44-10N suits portable and battery-powered products that need instant-on programmable logic with low standby current. Its 3.3 V core, CMOS EEPROM technology, and zero-configuration boot (no external boot PROM required) keep active power low and standby current minimal - ideal for handheld test equipment, portable medical devices and field-instrumentation. The 32 macrocells integrate multiple 74HC logic functions into one package, reducing PCB area in space-constrained designs, and 3.3 V ISP allows in-field firmware updates via JTAG without opening the enclosure. The 44-pin PLCC footprint is well suited to through-hole leaded assemblies that survive mechanical shock better than fine-pitch QFN. Source: MAX 3000A datasheet power-consumption tables.
Recommended
State-Machine Control for Motor Drives & Servos
The EPM3032ALC44-10N implements deterministic state-machine control for stepper motor, DC servo and brushless-DC (BLDC) commutation logic in industrial automation. Its 10 ns tPD supports commutation frequencies above 100 kHz for high-speed BLDC drives, and the 32 macrocells implement full 6-step or sine-commutation state machines with current-limit interlocks. The 34 I/Os accommodate Hall-sensor inputs, PWM outputs, fault inputs, and ENABLE signals to gate drivers. The non-volatile EEPROM configuration guarantees defined commutation state at power-up - a safety-critical requirement for industrial servo controllers where undefined outputs could overstress the motor windings. Source: MAX 3000A application briefs on motor control.
Recommended
Recommended Products Summary
Engineering reference data for EPM3032ALC44-10N β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EPM3032ALC44-10 | EPM3032A-TC44-10N | EPM3032A-TC44-10 | EPM3032ALC-44-10N | EPM7032AELC44-10N |
|---|---|---|---|---|---|---|
| Brand | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) |
| Package | 44-pin PLCC (J-Lead) | 44-pin PLCC (J-Lead) - same | 44-pin PLCC (J-Lead) - same | 44-pin PLCC (J-Lead) - same | 44-pin PLCC (J-Lead) - same | 44-pin PLCC (J-Lead) - same |
| Family | MAX 3000A | MAX 3000A | MAX 3000A | MAX 3000A | MAX 3000A | MAX 7000A |
| Macrocells | 32 | 32 | 32 | 32 | 32 | 32 |
| User I/O Pins | 34 | 34 | 34 | 34 | 34 | 36 |
| Propagation Delay (tPD) | 10 ns | 10 ns | 10 ns | 10 ns | 10 ns | 10 ns |
| Internal fMAX | 103.1 MHz | 103.1 MHz | 103.1 MHz | 103.1 MHz | 103.1 MHz | 227.3 MHz |
| VCCINT | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| RoHS Status | Pb-free (RoHS) | Lead-bearing (non-RoHS) | Pb-free (RoHS) | Lead-bearing (non-RoHS) | Pb-free (RoHS) | Pb-free (RoHS) |
Key Differentiators
- Non-volatile EEPROM boot, no external PROM needed (vs SRAM-based FPGAs (e.g., Cyclone))
- MultiVolt I/O supports 1.8 V to 5.0 V without level shifters (vs MAX 7000A family (EPM7032AELC44-10N))
- 44-pin PLCC J-lead for hand-soldering and through-hole rework (vs MAX II family (EPM240T100C5N) in TQFP-100)
- Lower cost and deeper distributor inventory than MAX II replacement (vs MAX II EPM240T100C5N)
Design Notes
Decouple VCCINT (3.3 V core) with a 0.1 uF ceramic capacitor placed within 5 mm of the PLCC power pin, plus a 10 uF bulk tantalum/ceramic capacitor adjacent. VCCIO MultiVolt pins (1.8-5.0 V) require their own 0.1 uF + 10 uF decoupling network even if the same rail as VCCINT. Estimate: total inrush at power-up is under 100 mA for an unprogrammed device, dropping to ~20 mA quiescent when configured. Source: MAX 3000A datasheet power-supply design guidelines.
The 44-pin PLCC (J-lead) package accepts a standard PLCC-44 socket (e.g., 3M 8444-21B1-RK-TP or Aries 44-6518-10), which simplifies prototyping and field replacement. For production, however, solder the PLCC directly to the PCB with J-leads; keep clearance under the package at least 0.5 mm and avoid placing signal traces beneath the body to prevent probe shorting. Pin 1 is identified by an orientation dot on the package top.
Route JTAG signals TDI, TDO, TMS and TCK as a dedicated daisy-chain bus with 10 kohm pull-ups on TMS and TCK per IEEE 1149.1. Keep JTAG traces short (<= 75 mm) and isolated from switching power and clock lines to avoid programming errors. Place the JTAG header at board edge for bed-of-nails programming access. Unused I/O pins can be left floating per the MAX 3000A datasheet, but for highest noise immunity tie them to VCCIO through a 10 kohm resistor.
Do not exceed VCCINT of 3.3 V (4.0 V absolute max); the MAX 3000A core is not 5 V tolerant on VCCINT even though VCCIO accepts 5 V. Estimate: input leakage on unconfigured I/O can reach 10 uA per pin, which matters for battery designs - configure unused I/Os as outputs driving defined states via the Quartus fitter to minimize leakage. JTAG chain integrity must be verified before ISP attempts; a broken TCK pull-up is the most common programming failure.
Compliance Information
The trailing 'N' suffix indicates lead-free / RoHS-compliant terminal finish per Altera's naming convention. IEEE 1149.1 JTAG and IEEE Std. 1532 compliance is per the MAX 3000A datasheet. AEC-Q100 is not applicable for legacy industrial CPLDs; halogen-free status is not stated in the datasheet and is marked unknown.
