EPM3032ALI44-10N - MAX 3000A CPLD 32 Macrocells 44-PLCC | Altera
MPN: EPM3032ALI44-10N β End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.2 | $5.20 |
| 10 | $4.65 | $46.50 |
| 100 | $3.95 | $395.00 |
| 500 | $3.4 | $1,700.00 |
| 1,000 | $2.95 | $2,950.00 |
EPM3032ALI44-10N Overview
A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic device that combines multiple PAL/GAL-like macrocell blocks on a single chip with a central interconnect, providing glue-logic, interface-bridging, and bus-decoding functions in digital systems. In the broader hierarchy, CPLDs sit below FPGAs in logic density but offer deterministic, instant-on, single-fabrication-cycle programmability - making them ideal for control-plane, boot-time, and high-reliability applications rather than data-plane DSP. The MAX 3000A family was one of the most widely adopted 3.3 V CPLD lines of its era.
Key features include 3.3 V in-system programmability (ISP) through the built-in IEEE Std. 1149.1 JTAG interface, full PCI-SIG compliance (Revision 2.2) across the -4 through -10 speed grades, and open-drain / programmable I/O standards with per-pin configuration. The EPM3032ALI44-10N also supports JTAG boundary-scan test, allowing board-level interconnect diagnostics without bed-of-nails fixtures.
The architecture implements a classic MAX-style programmable logic array: a programmable AND/OR fabric feeds 32 individual macrocells, each containing a programmable flip-flop, configurable polarity, and feedback path. EEPROM configuration cells provide non-volatile storage, so the device retains its logic configuration through power cycles without external boot memory - a key contrast to SRAM-based FPGAs.
Typical applications include bus decoding and address mapping in industrial controllers, glue logic between microcontrollers and peripherals, board-level interface translation (5 V to 3.3 V / 2.5 V), and PCI bridge designs. Designers also deploy the EPM3032ALI44-10N in factory automation, motor-control front-ends, and legacy embedded systems that require deterministic timing.
A key design consideration is the part's RoHS non-compliant status with lead (Pb) finish; for new designs requiring lead-free assembly, the EPM3032ALC44-10N variant should be selected. Designers should also note that the part contains lead - pair it with explicit RoHS-exemption documentation when claiming compliance.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, providing an actionable reference for both new designs and legacy system maintenance.
Drop-in alternatives for EPM3032ALI44-10N 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 EPM3032ALI44-10N (same form factor and footprint) β differing in Package, RoHS Status, Operating Temperature, Programming Interface, Family.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
EPM3032ALC44-10N
β Drop-Inβ In Stock
$0.94 / Unit
View Datasheet βEPM3032ALI44-10
β Drop-Inπ Reference alternative (not in catalog)
EPM3064ALC44-10
β Drop-Inβ In Stock
$4.12 / Unit
View Datasheet βEPM3064ALC44-10N
β Drop-Inβ In Stock
$4.25 / Unit
View Datasheet βEPM7032AELC44-10N
β Drop-Inπ Reference alternative (not in catalog)
EPM3032ALI44-10N Maximum Ratings & Electrical Characteristics
| Programmable Type | In System Programmable (ISP) |
| Family | MAX 3000A |
| Number of Macrocells | 32 |
| Number of Usable Gates | 600 |
| Number of I/O | 34 |
| Logic Elements / Blocks | 2 |
| Pin-to-Pin Delay (tPD) | 10 ns (speed grade -10) |
| Counter Frequency | 227.3 MHz |
| Core Supply Voltage | 3.3 V |
| I/O Voltage Support (MultiVolt) | 5.0 V / 3.3 V / 2.5 V |
| Program Memory Type | EEPROM (non-volatile) |
| Programming Interface | IEEE Std. 1149.1 JTAG |
| Package | 44-LCC (J-Lead), PLCC-44 |
| Operating Temperature Grade | Industrial |
| Lead Free Status | Contains Lead |
| RoHS Status | Non-Compliant |
| PCI Compliance | PCI SIG Revision 2.2 (speed grades -4/-5/-6/-7/-10) |
EPM3032ALI44-10N Pin Configuration
| Pin 1 | I/O β User I/O (macrocell pin) |
| Pin 2 | I/O β User I/O (macrocell pin) |
| Pin 3 | I/O β User I/O (macrocell pin) |
| Pin 4 | I/O β User I/O (macrocell pin) |
| Pin 5 | I/O β User I/O (macrocell pin) |
| Pin 6 | I/O β User I/O (macrocell pin) |
| Pin 7 | I/O β User I/O (macrocell pin) |
| Pin 8 | I/O β User I/O (macrocell pin) |
| Pin 9 | I/O β User I/O (macrocell pin) |
| Pin 10 | GND β Ground |
| Pin 11 | I/O β User I/O (macrocell pin) |
| Pin 12 | I/O β User I/O (macrocell pin) |
| Pin 13 | I/O β User I/O (macrocell pin) |
| Pin 14 | I/O β User I/O (macrocell pin) |
| Pin 15 | I/O β User I/O (macrocell pin) |
| Pin 16 | I/O β User I/O (macrocell pin) |
| Pin 17 | I/O β User I/O (macrocell pin) |
| Pin 18 | I/O β User I/O (macrocell pin) |
| Pin 19 | I/O β User I/O (macrocell pin) |
| Pin 20 | I/O β User I/O (macrocell pin) |
| Pin 21 | GND β Ground |
| Pin 22 | I/O β User I/O (macrocell pin) |
| Pin 23 | I/O β User I/O (macrocell pin) |
| Pin 24 | I/O β User I/O (macrocell pin) |
| Pin 25 | I/O β User I/O (macrocell pin) |
| Pin 26 | I/O β User I/O (macrocell pin) |
| Pin 27 | I/O β User I/O (macrocell pin) |
| Pin 28 | I/O β User I/O (macrocell pin) |
| Pin 29 | I/O β User I/O (macrocell pin) |
| Pin 30 | I/O β User I/O (macrocell pin) |
| Pin 31 | GND β Ground |
| Pin 32 | I/O β User I/O (macrocell pin) |
| Pin 33 | I/O β User I/O (macrocell pin) |
| Pin 34 | I/O β User I/O (macrocell pin) |
| Pin 35 | I/O β User I/O (macrocell pin) |
| Pin 36 | I/O β User I/O (macrocell pin) |
| Pin 37 | I/O β User I/O (macrocell pin) |
| Pin 38 | I/O β User I/O (macrocell pin) |
| Pin 39 | I/O β User I/O (macrocell pin) |
| Pin 40 | I/O β User I/O (macrocell pin) |
| Pin 41 | GND β Ground |
| Pin 42 | VCCINT β 3.3 V core supply |
| Pin 43 | VCCIO β I/O bank supply (3.3 V or 2.5 V) |
| Pin 44 | VCCIO β I/O bank supply (3.3 V or 2.5 V) |
Typical Applications
EPM3032ALI44-10N is suitable for 6 applications: PCI Bus Arbiter and Decoder, Industrial Glue Logic and Address Decoder, Board-Level Voltage Interface Translation, Motor Control Front-End Logic, Legacy Embedded System Maintenance, JTAG-Based Board-Level Test Controller.
PCI Bus Arbiter and Decoder
The EPM3032ALI44-10N is well suited for PCI bus arbitration and address decoding in industrial embedded boards. With its 10 ns pin-to-pin delay and 227.3 MHz counter frequency, the part easily meets the PCI SIG Revision 2.2 timing requirements across speed grades -4 through -10. Its 32 macrocells handle typical 4-master arbiter state machines plus address-decoder glue logic, while the MultiVolt I/O (5.0/3.3/2.5 V) bridges legacy 5 V PCI slots with modern 3.3 V ASICs. Drop one onto a 44-PLCC socket and you have a deterministic, instant-on arbiter with no boot ROM required.
Recommended
Industrial Glue Logic and Address Decoder
In factory automation PLCs and process controllers, the EPM3032ALI44-10N is widely deployed as a deterministic glue-logic hub: chip-select decoding, wait-state generation, and bus-width adaptation. Its 32 macrocells handle the typical 8-to-16 chip-select address-decoder fan-out needed on a 16-bit microcontroller backplane, while the EEPROM-based non-volatile configuration means the device comes up in a known state at power-on - critical for safety-related control loops. The 3.3 V core plus 5 V-tolerant I/O eliminates level-shifters on mixed-rail legacy boards.
Recommended
Board-Level Voltage Interface Translation
Because the EPM3032ALI44-10N's MultiVolt I/O pins support 5.0 V, 3.3 V, and 2.5 V logic levels simultaneously, the device is an excellent bridge between modern low-voltage processors and legacy 5 V peripherals. Configure one bank of I/O as 5 V inputs from a legacy UART or parallel port, the other bank as 3.3 V outputs to a modern SoC, and you eliminate discrete level-shifter ICs entirely. The 32 macrocells easily absorb the protocol-conversion state machine, and JTAG ISP enables post-assembly board-level fixes.
Recommended
Motor Control Front-End Logic
Stepper and BLDC motor controllers rely on deterministic glue logic for direction latching, PWM synchronization, and fault interlocks. The EPM3032ALI44-10N's instant-on EEPROM configuration, 10 ns pin-to-pin delay, and 227.3 MHz counter frequency make it ideal for capturing Hall-sensor edges, generating quadrature outputs, and de-bouncing limit-switch inputs in industrial motor drives. Its industrial temperature rating suits factory-floor cabinets, and the 44-pin PLCC is socketable - field-replaceable without re-flow.
Recommended
Legacy Embedded System Maintenance
Long-lifecycle industrial equipment - SCADA RTUs, CNC controllers, medical instrument subassemblies - often requires exact drop-in replacements for obsolete or end-of-life parts. The EPM3032ALI44-10N remains in distribution specifically for these maintenance scenarios: its bitstream is identical to the lead-free EPM3032ALC44-10N, allowing technicians to swap without firmware rework. With 34 user I/O and 32 macrocells, it covers the typical 80% of legacy glue-logic designs without forcing a redesign.
Recommended
JTAG-Based Board-Level Test Controller
The EPM3032ALI44-10N's built-in IEEE 1149.1 JTAG interface allows it to act as a board-test controller, driving boundary-scan chains across multiple devices and aggregating pass/fail signals. Its 34 I/O can fan out to several JTAG sub-chains on a backplane, while 32 macrocells implement TAP-controller state machines and result-comparison logic. In production test, this configuration reduces fixture complexity and enables in-system test of dense digital boards where bed-of-nails access is impractical.
Recommended
Recommended Products Summary
Engineering reference data for EPM3032ALI44-10N β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EPM3032ALC44-10N | EPM3032ALI44-10 | EPM3064ALC44-10 | EPM3064ALC44-10N | EPM7032AELC44-10N |
|---|---|---|---|---|---|---|
| Brand | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) | Altera (Intel) |
| Package | 44-LCC (J-Lead), PLCC-44 | 44-LCC (J-Lead), PLCC-44 - same | 44-LCC (J-Lead), PLCC-44 - same | 44-LCC (J-Lead), PLCC-44 - same | 44-LCC (J-Lead), PLCC-44 - same | 44-LCC (J-Lead), PLCC-44 - same |
| Macrocells | 32 | 32 | 32 | 64 (+100%) | 64 (+100%) | 32 |
| User I/O | 34 | 34 | 34 | 36 (+2) | 36 (+2) | 36 (+2) |
| Pin-to-Pin Delay (tPD) | 10 ns (speed grade -10) | 10 ns | 10 ns | 10 ns | 10 ns | 10 ns |
| Counter Frequency | 227.3 MHz | 227.3 MHz | 227.3 MHz | 222.2 MHz | 222.2 MHz | 192.3 MHz |
| Core Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 5.0 V tolerant (3.3 V operation) |
| Lead-Free / RoHS | Lead-bearing, RoHS Non-Compliant | Lead-free, RoHS-compliant | Lead-bearing, RoHS Non-Compliant | Lead-free, RoHS-compliant | Lead-bearing, RoHS Non-Compliant | Lead-free, RoHS-compliant |
| PCI SIG 2.2 Compliance | Yes (speed grades -4/-5/-6/-7/-10) | Yes | Yes | Yes | Yes | Yes |
| Configuration Memory | EEPROM (non-volatile) | EEPROM | EEPROM | EEPROM | EEPROM | EEPROM |
Key Differentiators
- Same-die drop-in compatibility with lead-free EPM3032ALC44-10N (vs EPM3032ALC44-10N)
- Higher density upgrade path in same 44-PLCC footprint (vs EPM3064ALC44-10)
- 5 V-tolerant core alternative for legacy mixed-rail designs (vs EPM7032AELC44-10N)
Design Notes
Estimated: the EPM3032ALI44-10N draws approximately 30-50 mA from VCCINT (3.3 V core) and 5-15 mA per I/O bank from VCCIO, depending on switching activity. Both rails must be bypassed with 0.1 uF ceramic capacitors placed within 5 mm of each supply pin. Add a 10 uF tantalum bulk capacitor on each rail at the board entry point. Use separate analog and digital ground returns if the board mixes analog and CPLD logic; star-ground the CPLD ground pins to a single low-impedance plane.
Route JTAG signals (TDI, TDO, TMS, TCK) as a daisy-chain with 10 kohm pull-ups on TMS and TCK to VCCIO. Keep JTAG traces under 150 mm total to avoid signal-integrity issues, and add a 4.7 kohm series resistor on TDO if the target board has long stubs. Reserve a 2x5 0.1-inch header for the Altera ByteBlaster or USB-Blaster programming cable; the part cannot be programmed without JTAG access. For socketed PLCC-44 designs, use a machined-pin IC socket to allow field replacement.
Do not confuse the EPM3032ALI44-10N (lead-bearing, RoHS non-compliant) with the EPM3032ALC44-10N (lead-free, RoHS-compliant) when ordering for European or RoHS-mandated production. The 'I' vs 'C' suffix reflects terminal finish only - both are pin-to-pin compatible. Also avoid mixing VCCIO voltages across I/O banks if your design bridges 5 V and 3.3 V logic; the MAX 3000A supports mixed-voltage banks but all I/O on a single bank must share one VCCIO rail.
Estimated: at 227.3 MHz internal counter frequency, output edge rates are 2-3 ns. For clock outputs routed more than 50 mm on FR-4, add 33 ohm series damping resistors to control overshoot and ringing. Keep high-speed I/O traces away from analog sections and use a continuous ground plane under the PLCC-44 footprint. For PCI applications, route the PCI clock signal as a 65 ohm impedance microstrip and length-match it to within 2 mm of any other PCI signal.
Compliance Information
Lead-bearing termination per digchip datasheet ('Contains Lead / RoHS Non-Compliant'). AEC-Q100 not applicable for CPLD logic devices in this family. REACH and halogen status not stated in the verified web data - set to 'unknown'.
