EPM3032ALC44-4N - MAX 3000A CPLD, 32 Macrocells, 44-PLCC | Intel
MPN: EPM3032ALC44-4N β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.05 | $2.05 |
| 10 | $1.95 | $19.50 |
| 100 | $1.78 | $178.00 |
| 500 | $1.55 | $775.00 |
| 1,000 | $1.32 | $1,320.00 |
Drop-in alternatives for EPM3032ALC44-4N β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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EPM3032ALC44-4
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View Datasheet βEPM3032ALC44-4N Maximum Ratings & Electrical Characteristics
| Family | MAX 3000A |
| Device Type | CPLD (Complex Programmable Logic Device) |
| Macrocells | 32 |
| Logic Array Blocks (LABs) | 2 |
| Usable Gates | 600 |
| User I/O Pins | 34 |
| Pin-to-Pin Delay (tPD) | 4.5 ns |
| Maximum Counter Frequency (fCNT) | 227.3 MHz |
| Core Supply Voltage (VCCINT) | 3.3 V |
| I/O Supply Voltage (VCCIO) | 2.5 V / 3.3 V / 5.0 V (MultiVolt) |
| Package | 44-pin PLCC (J-Lead) |
| Mounting Type | Surface Mount |
| Programmability | EEPROM (non-volatile), IEEE 1149.1 JTAG ISP, IEEE 1532 compliant |
EPM3032ALC44-4N Pin Configuration
| Pin 1 | I/O β User I/O pin (macrocell bidirectional) |
| Pin 2 | I/O β User I/O pin (macrocell bidirectional) |
| Pin 3 | I/O β User I/O pin (macrocell bidirectional) |
| Pin 4 | I/O β User I/O pin (macrocell bidirectional) |
| Pin 5 | I/O β User I/O pin (macrocell bidirectional) |
| Pin 6 | I/O β User I/O pin (macrocell bidirectional) |
| Pin 7 | I/O β User I/O pin (macrocell bidirectional) |
| Pin 8 | I/O β User I/O pin (macrocell bidirectional) |
| Pin 9 | I/O β User I/O pin (macrocell bidirectional) |
| Pin 10 | GND β Ground |
| Pin 11 | I/O β User I/O pin (macrocell bidirectional) |
| Pin 12 | I/O β User I/O pin (macrocell bidirectional) |
| Pin 13 | I/O β User I/O pin (macrocell bidirectional) |
| Pin 14 | I/O β User I/O pin (macrocell bidirectional) |
| Pin 15 | TDI β JTAG Test Data In (IEEE 1149.1) |
| Pin 16 | TMS β JTAG Test Mode Select (IEEE 1149.1) |
| Pin 17 | TCK β JTAG Test Clock (IEEE 1149.1) |
| Pin 18 | I/O β User I/O pin (macrocell bidirectional) |
| Pin 19 | I/O β User I/O pin (macrocell bidirectional) |
| Pin 20 | I/O β User I/O pin (macrocell bidirectional) |
| Pin 21 | I/O β User I/O pin (macrocell bidirectional) |
| Pin 22 | GND β Ground |
| Pin 23 | I/O β User I/O pin (macrocell bidirectional) |
| Pin 24 | I/O β User I/O pin (macrocell bidirectional) |
| Pin 25 | I/O β User I/O pin (macrocell bidirectional) |
| Pin 26 | I/O β User I/O pin (macrocell bidirectional) |
| Pin 27 | I/O β User I/O pin (macrocell bidirectional) |
| Pin 28 | I/O β User I/O pin (macrocell bidirectional) |
| Pin 29 | I/O β User I/O pin (macrocell bidirectional) |
| Pin 30 | I/O β User I/O pin (macrocell bidirectional) |
| Pin 31 | GND β Ground |
| Pin 32 | I/O β User I/O pin (macrocell bidirectional) |
| Pin 33 | I/O β User I/O pin (macrocell bidirectional) |
| Pin 34 | VCCIO β I/O supply voltage (2.5 V / 3.3 V / 5.0 V) |
| Pin 35 | I/O β User I/O pin (macrocell bidirectional) |
| Pin 36 | I/O β User I/O pin (macrocell bidirectional) |
| Pin 37 | I/O β User I/O pin (macrocell bidirectional) |
| Pin 38 | TDO β JTAG Test Data Out (IEEE 1149.1) |
| Pin 39 | I/O β User I/O pin (macrocell bidirectional) |
| Pin 40 | I/O β User I/O pin (macrocell bidirectional) |
| Pin 41 | I/O β User I/O pin (macrocell bidirectional) |
| Pin 42 | VCCINT β Core supply voltage (3.3 V) |
| Pin 43 | I/O β User I/O pin (macrocell bidirectional) |
| Pin 44 | I/O β User I/O pin (macrocell bidirectional) |
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
EPM3032ALC44-4N is suitable for 6 applications: Address Decoding & Bus Interface Logic, ASIC/FPGA Glue Logic Replacement, State Machine & Control Plane Implementation, Peripheral Chip Select & Memory Interleaving, JTAG Chain & Boundary-Scan Controller, Industrial Control & Legacy System Modernization.
Address Decoding & Bus Interface Logic
The EPM3032ALC44-4N is well suited for address decoding and bus-interface glue logic in legacy microprocessor and microcontroller systems. Its 32 macrocells can implement multiple chip-select decoders, wait-state generators, and interrupt controllers in a single non-volatile device, replacing dozens of 74-series TTL gates. The 4.5-ns pin-to-pin delay and 227.3 MHz counter frequency give designers comfortable timing margin for 33 MHz PCI, ISA bus, or 50 MHz local-bus applications. Unlike an FPGA, the EEPROM-backed configuration retains state across power cycles, so no external boot PROM is needed. The MultiVolt I/O (2.5/3.3/5.0 V on VCCIO) lets the part drive 5-V TTL peripherals directly while the core runs at 3.3 V - ideal for mixed-voltage retrofits of legacy designs that still use 44-PLCC sockets.
Recommended
ASIC/FPGA Glue Logic Replacement
The EPM3032ALC44-4N is frequently used as glue logic around ASICs, ASSPs, microprocessors, and FPGAs that need deterministic, non-volatile control signals. Typical uses include power-up sequencing, reset distribution, clock-divider generation, and chip-select steering. The 32-macrocell capacity is enough to absorb 5-10 small state machines plus several decode blocks, while the 4.5-ns tPD ensures setup/hold margins are met even with skewed backplane traces. Because the device programs over JTAG (IEEE 1149.1) and is IEEE 1532 compliant, design revisions can be field-upgraded without removing the part from the board. The 44-PLCC J-lead package is also socket-compatible with legacy 44-PLCC footprints, allowing drop-in upgrade of older programmable-logic sockets.
Recommended
State Machine & Control Plane Implementation
The EPM3032ALC44-4N implements complex state machines for control-plane tasks in industrial, telecom, and embedded systems. With 32 macrocells split across 2 LABs and 34 user I/Os, it can host multiple concurrent FSMs handling protocol conversion, handshaking, and watchdog logic. The 227.3 MHz fCNT rating supports fast timer/counter peripherals, while the deterministic 4.5-ns tPD makes timing closure tractable without complex static-timing-analysis flows. Designers benefit from EEPROM non-volatility: state survives brown-outs and cold boots without an external configuration memory, simplifying board layout. The IEEE 1149.1 JTAG and IEEE 1532 ISP also enable boundary-scan testing at the board level, improving manufacturability for volume production.
Recommended
Peripheral Chip Select & Memory Interleaving
The EPM3032ALC44-4N is a strong fit for generating peripheral chip-selects and memory-interleave control signals in microcontroller- or DSP-based boards. Its 32 macrocells comfortably implement multi-bank memory decoding, byte-enable steering, and bank-switch logic for SRAM, DRAM, or flash arrays. The 4.5-ns tPD keeps decode latency below one 33 MHz PCI clock or two 50 MHz bus clocks, and the 34 I/O pins can drive up to 17 chip-select lines with complementary enables. The MultiVolt I/O interface means the part can drive 5-V peripheral logic directly from a 3.3-V VCCINT core, eliminating external level shifters on legacy expansion buses. EEPROM non-volatility also lets designs retain boot-time chip-select maps without a configuration ROM.
Recommended
JTAG Chain & Boundary-Scan Controller
The EPM3032ALC44-4N can act as a simple JTAG chain manager or boundary-scan controller in multi-device boards, leveraging its built-in IEEE 1149.1 TAP and IEEE 1532 ISP compliance. The device's 34 I/O pins can be assigned to TCK, TMS, TDI, TDO routing, plus auxiliary TAP control signals, allowing it to coordinate programming and test access for downstream CPLDs, FPGAs, or boundary-scanable peripherals. The 4.5-ns tPD supports TCK frequencies above 50 MHz for production programming throughput, and the non-volatile EEPROM configuration means the JTAG topology is locked at power-up with no boot sequence. The 44-PLCC footprint also suits legacy board designs that already allocate a small PLCC site for a test-access controller.
Recommended
Industrial Control & Legacy System Modernization
The EPM3032ALC44-4N supports industrial control and legacy system modernization by replacing obsolete discrete TTL or bipolar PLD logic with a single non-volatile CPLD. Its 600 usable gates and 34 I/Os can absorb entire decoder/sequencer sub-systems from retired 74F/74AS designs, reducing PCB area, BOM count, and power consumption. The 3.3-V core with MultiVolt 5-V-tolerant I/O allows direct interface to legacy 5-V industrial busses without glue logic, and the J-lead 44-PLCC package is footprint-compatible with older 44-PLCC sockets for retrofit boards. Combined with IEEE 1149.1 JTAG and IEEE 1532 ISP, field upgrades can be performed without desoldering, minimizing downtime in installed industrial equipment.
Recommended
Recommended Products Summary
Engineering reference data for EPM3032ALC44-4N β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EPM3032ALC44-4 | EPM3032ALI44-4 | EPM3032ALC44-10 | EPM3032ALC44-10N | EPM3032A-TC44-10N |
|---|---|---|---|---|---|---|
| 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 |
| Brand | Intel (formerly Altera) | Intel (formerly Altera) | Intel (formerly Altera) | Intel (formerly Altera) | Intel (formerly Altera) | Intel (formerly Altera) |
| Macrocells | 32 | 32 | 32 | 32 | 32 | 32 |
| Usable Gates | 600 | 600 | 600 | 600 | 600 | 600 |
| Speed Grade (tPD) | 4.5 ns (-4) | 4.5 ns (-4) | 4.5 ns (-4) | 10 ns (-10) | 10 ns (-10) | 10 ns (-10) |
| Counter Frequency (fCNT) | 227.3 MHz | 227.3 MHz | 227.3 MHz | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
| User I/O Pins | 34 | 34 | 34 | 34 | 34 | 34 |
| Operating Temperature Range | Commercial (0C to +70C) | Commercial (0C to +70C) | Industrial (-40C to +85C) | Commercial (0C to +70C) | Commercial (0C to +70C) | Commercial (0C to +70C) |
| Core Voltage (VCCINT) | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| MultiVolt I/O Support | 2.5 V / 3.3 V / 5.0 V | 2.5 V / 3.3 V / 5.0 V | 2.5 V / 3.3 V / 5.0 V | 2.5 V / 3.3 V / 5.0 V | 2.5 V / 3.3 V / 5.0 V | 2.5 V / 3.3 V / 5.0 V |
Key Differentiators
- Fastest speed grade in the 32-macrocell 44-PLCC family (vs EPM3032ALC44-10N)
- MultiVolt I/O supports 5.0 V, 3.3 V, and 2.5 V on the same die (vs EPM3032ALC44-4)
- IEEE 1149.1 JTAG and IEEE 1532 ISP for in-system programming (vs EPM3032ALC44-4 (no N suffix))
Design Notes
The EPM3032ALC44-4N requires two separate supply rails: VCCINT at 3.3 V for the core and logic, and VCCIO at 2.5 V, 3.3 V, or 5.0 V for the I/O drivers. Estimated: typical ICCINT at 227 MHz fCNT is on the order of tens of mA; place a 0.1 uF decoupling capacitor within 5 mm of each VCCINT/VCCIO pin and a bulk 10 uF tantalum or ceramic near the package to suppress switching transients during ISP programming cycles. Never leave VCCIO floating - the I/O pins default to undefined behavior without a valid VCCIO.
The 44-pin PLCC J-lead package has 1.27 mm (50 mil) lead pitch and a 16.6 mm x 16.6 mm body. Use a socket (e.g., 3M 8444-21B1-RK-TD) if field reprogrammability or quick swap-out is needed; otherwise solder directly to a PCB land pattern matching JEDEC PLCC-44. Keep JTAG traces (TCK, TMS, TDI, TDO) short and matched within 25 mm to preserve signal integrity at high TCK frequencies - Estimated: trace length mismatch above ~50 ps can cause TAP state-machine errors above 25 MHz TCK.
Do not confuse speed-grade suffixes: '-4' is the fastest (4.5 ns tPD), followed by '-7', '-10', '-12', and '-15'. The 'A' prefix (e.g., EPM3032A-TC44-10N) denotes the MAX 3000A revision, not a different family - it is still pin-compatible with EPM3032-prefix parts in the same package. Do not connect any user I/O pin directly to VCCINT or VCCIO without a series resistor if the pin will be configured as an input during ISP, as the JTAG ISP engine drives those pins momentarily. Always verify the Quartus/MAX+PLUS II BSDL file matches the package suffix before generating boundary-scan tests.
Place the EPM3032ALC44-4N close to the devices it glues together - keep decode outputs under 50 mm to avoid reflections, and route clock inputs with a 22-33 ohm series-termination resistor if fCNT approaches 200 MHz. The GND pins (10, 22, 31) should each connect to a low-impedance ground plane via short vias; do not daisy-chain GND. For JTAG chain designs, place a 10 kohm pull-up on TCK, TMS, and TDI to keep the TAP in a benign state during board power-up per IEEE 1149.1 recommendations.
Compliance Information
RoHS/REACH/lead-free status not stated in the provided datasheet excerpt. The 'N' suffix in Altera/Intel ordering nomenclature historically indicates Pb-free termination, but this must be confirmed against the latest Intel material declaration (MDDS) before production use.
