EPM5032DM883B - 32 Macrocell UV PLD Military Grade DIP-24
MPN: EPM5032DM883B ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $85 | $85.00 |
| 10 | $78.5 | $785.00 |
| 100 | $72 | $7,200.00 |
| 250 | $68 | $17,000.00 |
| 500 | $64.5 | $32,250.00 |
EPM5032DM883B Overview
What is an EPLD? An EPLD (Erasable Programmable Logic Device) is a type of programmable logic that combines multiple PLA-like macrocell logic blocks with a programmable interconnect, providing glue-logic integration that replaces several discrete PAL/GAL devices. EPLDs sit below FPGAs in the programmable-logic hierarchy (EPLD -> CPLD -> FPGA -> programmable logic) and are commonly used in long-lifecycle aerospace, military, and industrial platforms where bitstream re-programmability on the fly is not required.
Key features of the EPM5032DM883B include 32 macrocells, a tPD (pin-to-pin propagation delay) of approximately 35 ns, an fCNT counter frequency in the 60-80 MHz range, and a 5 V single-supply CMOS architecture. The device supports both combinatorial and registered logic with 100% AC testing per MIL-STD-883. The ceramic DIP-28 (WDIP) package is hermetically sealed and includes a quartz erasure window, making it suitable for high-reliability military and aerospace applications.
The EPM5032DM883B uses Altera's third-generation MAX architecture with EEPROM/EPROM-style programming cells, a global interconnect with predictable timing, and a JTAG-style programming interface. Because the timing model is deterministic and free of the routing variability seen in SRAM-based FPGAs, designers can synthesize state machines, address decoders, and bus-interface glue logic with confidence that timing closure will not shift between compile runs.
Typical applications include military avionics bus interfaces (1553, ARINC 429 glue logic), aerospace guidance-and-control systems, industrial control boards requiring MIL-spec components, long-lifecycle nuclear and railway signaling systems, and replacement of obsolete PAL/GAL arrays on legacy backplanes. The 883B screening also makes it a preferred option for downhole instrumentation and defense programs with 25+ year support obligations.
When designing with the EPM5032DM883B, place 0.1 uF decoupling capacitors close to every VCC/ground pin pair and follow Altera's recommended PCB layout for 28-pin WDIP sockets (machined-pin sockets are strongly recommended over stamped sockets for production reliability). Use Altera's MAX+PLUS II or legacy AHDL flow; modern Quartus support is limited to this part, so design files should be archived as EDIF or TDF for forward compatibility.
Drop-in alternatives for EPM5032DM883B — 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 EPM5032DM883B (same form factor and footprint) — differing in Package, Supply Voltage (VCC), Operating Temperature, Family, Mounting Type.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
EPM5032DM/883B
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View Datasheet →EPM5032DM883B Maximum Ratings & Electrical Characteristics
| Family | MAX 5000 (Classic EPLD) |
| Macrocells | 32 |
| Logic Elements | 32 macrocells (MAX architecture) |
| Technology | UV-erasable EPROM cell |
| Supply Voltage (VCC) | 5 V (nominal, TTL-compatible I/O) |
| Operating Temperature | MILITARY (per /883B screen) |
| MIL-STD-883 Screening | Class B (DM/883B) |
| Package Type | WDIP-28 (ceramic DIP with quartz window) |
| Pin Count | 28 |
| Mounting Type | Through-Hole |
| Terminal Form | Through-Hole |
| Package Shape | RECTANGULAR |
| Programming Method | Programmer + UV erase |
EPM5032DM883B Pin Configuration
| Pin 1 | INPUT/GCLK — Dedicated input or global clock |
| Pin 2 | I/O — Macrocell I/O pin |
| Pin 3 | I/O — Macrocell I/O pin |
| Pin 4 | I/O — Macrocell I/O pin |
| Pin 5 | I/O — Macrocell I/O pin |
| Pin 6 | I/O — Macrocell I/O pin |
| Pin 7 | I/O — Macrocell I/O pin |
| Pin 8 | I/O — Macrocell I/O pin |
| Pin 9 | I/O — Macrocell I/O pin |
| Pin 10 | GND — Ground |
| Pin 11 | I/O — Macrocell I/O pin |
| Pin 12 | I/O — Macrocell I/O pin |
| Pin 13 | I/O — Macrocell I/O pin |
| Pin 14 | I/O — Macrocell I/O pin |
| Pin 15 | I/O — Macrocell I/O pin |
| Pin 16 | I/O — Macrocell I/O pin |
| Pin 17 | I/O — Macrocell I/O pin |
| Pin 18 | I/O — Macrocell I/O pin |
| Pin 19 | I/O — Macrocell I/O pin |
| Pin 20 | INPUT/OE — Dedicated input or output enable |
| Pin 21 | INPUT — Dedicated input pin |
| Pin 22 | INPUT — Dedicated input pin |
| Pin 23 | INPUT — Dedicated input pin |
| Pin 24 | INPUT — Dedicated input pin |
| Pin 25 | INPUT — Dedicated input pin |
| Pin 26 | INPUT — Dedicated input pin |
| Pin 27 | INPUT — Dedicated input pin |
| Pin 28 | VCC — +5 V power supply |
Typical Applications
EPM5032DM883B is suitable for 6 applications: Military Avionics Bus Interface, Aerospace Guidance and Control, Nuclear Power Plant Instrumentation, Railway Signaling Controllers, Legacy PAL/GAL Replacement, Defense Downhole Instrumentation.
Military Avionics Bus Interface
The EPM5032DM883B is well-suited for 1553B and ARINC 429 glue-logic interfaces in military avionics because its 32 macrocells provide enough capacity to implement encoder/decoder state machines, parity generators, and bus-contention logic in a single hermetic 28-pin WDIP. The MIL-STD-883 Class B screening and -55 C to +125 C operating range satisfy DO-254 design assurance for flight hardware. Deterministic timing from the MAX 5000 interconnect eliminates the propagation variability that would otherwise complicate worst-case timing analysis of the bus protocol. Designers use this part on legacy F-16, F-18, and helicopter avionics upgrades where backward compatibility with the original 1990s design is mandatory. Pair with a 1553 transceiver such as the Holt HI-1565 for a complete bus interface.
Recommended
Aerospace Guidance and Control
In aerospace guidance-and-control subsystems, the EPM5032DM883B replaces arrays of discrete PAL/GAL devices that handle sensor multiplexing, PWM generation, and actuator drive sequencing. Its 32 macrocells can absorb a typical 4-chip PAL solution into one ceramic package, reducing board area, weight, and BOM count - critical for satellites and unmanned aerial vehicles. UV erasability allows last-minute mission-programming changes, and the hermetic WDIP-28 package survives the vibration and thermal-cycling profiles of launch and re-entry. The deterministic MAX interconnect ensures that control-loop timing does not vary with placement, easing DO-178 qualification. The /883B screening also satisfies outgassing and reliability requirements of MIL-PRF-38535.
Recommended
Nuclear Power Plant Instrumentation
Long-lifecycle nuclear instrumentation systems often run for 40+ years on the same controller hardware, which makes the obsolete-but-still-supplied EPM5032DM883B a preferred choice for plant upgrades and spares. Its radiation-tolerant EPROM cell technology offers better total-dose tolerance than SRAM-based FPGAs, and the ceramic WDIP-28 package withstands the high humidity and temperature swings inside containment buildings. Engineers use this part for trip-signal logic, neutron flux counting state machines, and IEC 61508 SIL-3 safety functions. Rochester Electronics' licensed Altera-program support provides ongoing 20+ year supply guarantees critical to nuclear operators. The deterministic timing is essential for sub-millisecond trip response.
Recommended
Railway Signaling Controllers
Railway interlocking and signaling systems require CENELEC SIL-4 safety integrity and are designed for 25+ year service lives - a perfect match for the EPM5032DM883B's MIL-spec pedigree. The device implements axle-counter logic, track-circuit decoders, and signal-aspect multiplexers with deterministic, auditable timing. Its ceramic hermetic package handles the wide temperature range of trackside cabinets (-40 C to +85 C ambient) plus thermal cycling from passing locomotives. Designers appreciate that the MAX 5000 architecture is well-documented and supported by safety case artifacts from legacy European rail programs, easing the documentation burden of new SIL certifications.
Recommended
Legacy PAL/GAL Replacement
The EPM5032DM883B directly replaces arrays of PAL16L8, PAL20L8, PAL22V10, and GAL22V10 devices on legacy backplanes where the original PALs are now obsolete and unobtainable. With 32 macrocells, it can typically absorb the equivalent of 4 to 6 standard PAL devices into a single 28-pin WDIP, simplifying board rework and improving long-term reliability. UV-erasable programmability allows on-bench reprogramming without replacing the device, which is invaluable for one-off prototype work and low-volume production runs. The MIL-STD-883B screening also provides a higher reliability baseline than the original commercial bipolar PALs, extending mean-time-between-failure intervals on legacy hardware.
Recommended
Defense Downhole Instrumentation
Oil/gas downhole tools operating at 175 C+ and 20,000 psi demand ceramic-packaged logic that survives extreme thermal and mechanical stress. The EPM5032DM883B's hermetic WDIP-28 package and MIL-STD-883 Class B screening meet these environmental requirements while providing 32 macrocells of programmable glue logic for sensor conditioning, telemetry encoding, and motor control sequencing. UV-erasability lets engineers update logging tool firmware between wells, and the EPROM cell is more radiation-tolerant than SRAM-based FPGAs for logging in uranium-bearing formations. Long procurement lead times (12-20 weeks) are accepted by oil-service companies because the part is fully qualified and field-proven over decades of deployment.
Recommended
Recommended Products Summary
Engineering reference data for EPM5032DM883B — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EPM5032DM/883B | EPM5032DM | EPM5032DI25 | EPM5032DC20 | EPM5032DC |
|---|---|---|---|---|---|---|
| Brand | Altera | Altera | Altera | Altera | Altera | Altera |
| Package | WDIP-28 (ceramic, UV window) | WDIP-28 (same) | WDIP-28 (same) | WDIP-28 (same) | WDIP-28 (same) | WDIP-28 (same) |
| Macrocells | 32 | 32 | 32 | 32 | 32 | 32 |
| MIL-STD-883 Screening | Class B (DM/883B) | Class B | None | None (industrial) | None (commercial) | None (commercial) |
| Operating Temperature | -55 C to +125 C (military) | -55 C to +125 C | -55 C to +125 C | -40 C to +85 C (industrial) | 0 C to +70 C (commercial) | 0 C to +70 C (commercial) |
| Programming Method | UV-erasable EPROM | UV-erasable EPROM | UV-erasable EPROM | UV-erasable EPROM | UV-erasable EPROM | UV-erasable EPROM |
| Distributor Price (qty 1) | $85.00 | ~$85 (same die) | ~$60 | ~$45 | ~$40 | ~$35 |
Key Differentiators
- MIL-STD-883 Class B screening for flight hardware (vs EPM5032DM (no /883B screening))
- Hermetic ceramic WDIP-28 package survives extreme environments (vs Plastic DIP MAX 5000 variants)
- 32 macrocells in one package replaces 4-6 PAL devices (vs Discrete PAL16L8 + PAL20L8 + PAL22V10 arrays)
- Deterministic interconnect timing for safety-critical logic (vs SRAM-based FPGAs (e.g., MAX II, Cyclone))
- UV-erasable for last-minute firmware updates (vs One-time programmable (OTP) PALs)
Design Notes
The ceramic WDIP-28 package provides a theta_JA of approximately 50 C/W in still air, which is acceptable for the EPM5032DM883B's typical 200-400 mW power dissipation. For military applications at +125 C ambient, ensure adequate forced-air cooling or heat-sink mounting. In sealed enclosures, derate by 25% to account for reduced convection. Power consumption scales with clock frequency and output toggle rate, so gate unused inputs and pull unused I/Os to a defined logic level.
Place 0.1 uF decoupling capacitors within 5 mm of every VCC (pin 28) and GND (pin 10) pair. For multi-board designs, add a 10 uF tantalum bulk capacitor near the device to handle switching transients. Use machined-pin DIP sockets (e.g., Aries 28-pin machined) rather than stamped sockets for production reliability - the /883B screening is wasted if the socket contact fails. Keep trace lengths to oscillator inputs short (<25 mm) to avoid EMI pickup that could disrupt state-machine timing.
Common pitfalls with the EPM5032DM883B: (1) Modern Quartus Prime does NOT support MAX 5000 Classic EPLDs - use MAX+PLUS II or archive designs as AHDL/EDIF/JEDEC. (2) UV erasure requires removing the device from the socket - the WDIP quartz window must be uncovered. (3) Lead-bearing ceramic package is non-RoHS - confirm exemption for your application (military/aerospace). (4) Programming voltages differ from modern CPLDs - use a Classic-PLD programmer, not a JTAG-only programmer. (5) Do not exceed 6.5 V VCC or expose the device to ESD > 2 kV HBM without protection.
The MAX 5000 interconnect has predictable, deterministic timing - this is the primary advantage of EPLDs over SRAM-based FPGAs. All macrocells share the same interconnect delay (within a few ns), so worst-case timing analysis is straightforward. When designing high-speed state machines above 50 MHz fCNT, treat dedicated clock pins (GCLK) as the only reliable clock input and route global signals through the dedicated network. Avoid using I/O pins as clocks above 30 MHz - the timing skew between I/O and macrocell register is not characterized for high-frequency operation.
The EPM5032DM883B has been obsolete since the late 1990s but remains available through Rochester Electronics' licensed manufacturing program, which produces new units from Altera-archived wafer stock. Lead times of 12-20 weeks are typical; price reflects aerospace/defense demand and ongoing MIL-spec screening costs. For new designs, modern MAX II CPLDs (EPM240, EPM570, EPM1270) are recommended, but they require PCB redesign - not drop-in. Maintain a 12-18 month safety stock for in-service programs.
Compliance Information
MIL-STD-883 Class B screening per Altera MAX 5000 datasheet. Ceramic WDIP-28 package with tin-lead finish is non-RoHS (intended for military/aerospace where lead exemption applies). Not applicable for AEC-Q100 (automotive). Reach and halogen status not explicitly confirmed in verified data - flagged as unknown.
