EPM5032DI25 - 32-Macrocell MAX 5000 EPLD, 25ns | Altera
MPN: EPM5032DI25 β End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $18.5 | $18.50 |
| 10 | $16.2 | $162.00 |
| 100 | $14 | $1,400.00 |
| 500 | $12.4 | $6,200.00 |
| 1,000 | $11.1 | $11,100.00 |
Drop-in alternatives for EPM5032DI25 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:
EPM5032DC-25
β Drop-Inβ In Stock
$3.55 / Unit
View Datasheet βEPM5032DC-20
β Drop-Inβ In Stock
$5.05 / Unit
View Datasheet βEPM5032DC-15
β Drop-Inβ In Stock
$9.95 / Unit
View Datasheet βEPM5032DC20
β Drop-Inβ In Stock
$8.2 / Unit
View Datasheet βEPM5032DC
β Drop-Inβ In Stock
$10.4 / Unit
View Datasheet βEPM5016DC-20
β Drop-Inβ In Stock
$16.5 / Unit
View Datasheet βEPM5032DI25 Maximum Ratings & Electrical Characteristics
| Family | MAX 5000 |
| Device Type | UV-erasable EPLD (CMOS EPROM-based) |
| Macrocells | 32 |
| Logic Array Blocks (LABs) | 2 |
| Product Terms | 320 |
| Output Macrocells | 16 |
| Bidirectional I/O Pins | 16 |
| Dedicated Inputs | 7 |
| Total Inputs | 24 |
| Pin-to-Pin Delay (tPD) | 25 ns |
| Maximum Clock Frequency (fMAX) | 62.5 MHz |
| Supply Voltage (VCC) | 5 V (single supply) |
| I/O Standard | TTL-compatible |
| Package | 24-pin Ceramic DIP (DI) with quartz window |
| Programming Technology | UV-EPROM (erasable via quartz window) |
EPM5032DI25 Pin Configuration
| Pin 1 | I/O β Bidirectional I/O pin (macrocell-driven) |
| Pin 2 | I/O β Bidirectional I/O pin (macrocell-driven) |
| Pin 3 | I/O β Bidirectional I/O pin (macrocell-driven) |
| Pin 4 | I/O β Bidirectional I/O pin (macrocell-driven) |
| Pin 5 | I/O β Bidirectional I/O pin (macrocell-driven) |
| Pin 6 | I/O β Bidirectional I/O pin (macrocell-driven) |
| Pin 7 | I/O β Bidirectional I/O pin (macrocell-driven) |
| Pin 8 | I/O β Bidirectional I/O pin (macrocell-driven) |
| Pin 9 | INPUT/GND β Dedicated input (or GND on some pins - check datasheet) |
| Pin 10 | I/O β Bidirectional I/O pin (macrocell-driven) |
| Pin 11 | I/O β Bidirectional I/O pin (macrocell-driven) |
| Pin 12 | GND β Ground |
| Pin 13 | I/O β Bidirectional I/O pin (macrocell-driven) |
| Pin 14 | I/O β Bidirectional I/O pin (macrocell-driven) |
| Pin 15 | I/O β Bidirectional I/O pin (macrocell-driven) |
| Pin 16 | I/O β Bidirectional I/O pin (macrocell-driven) |
| Pin 17 | INPUT β Dedicated input pin |
| Pin 18 | INPUT β Dedicated input pin |
| Pin 19 | INPUT β Dedicated input pin |
| Pin 20 | INPUT β Dedicated input pin |
| Pin 21 | INPUT β Dedicated input pin |
| Pin 22 | INPUT β Dedicated input pin |
| Pin 23 | INPUT β Dedicated input pin |
| Pin 24 | VCC β +5V supply |
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
EPM5032DI25 is suitable for 6 applications: Legacy 5V Bus-Interface Glue Logic, Address Decoding and Chip-Select Generation, Industrial State Machines and Sequencers, TTL-to-TTL Signal Conditioning and Level Shifting, Multi-PAL/GAL Replacement and Consolidation, Test and Measurement Front-End Logic.
Legacy 5V Bus-Interface Glue Logic
The EPM5032DI25 is a strong fit for legacy 5V bus-interface glue logic where 32 macrocells, 16 bidirectional I/Os, and 25 ns tPD are needed to consolidate discrete 74LS TTL glue into a single socketed DIP. With 5V TTL-compatible I/O and 320 product terms, it absorbs address decoding, chip-select generation, and wait-state logic that would otherwise occupy multiple 74LS138/139/32 packages. The ceramic DIP with UV window supports iterative prototype reprogramming during development cycles common in industrial controller retrofits.
Recommended
Address Decoding and Chip-Select Generation
The EPM5032DI25 fits address-decoding and chip-select generation tasks in 8/16-bit legacy CPU boards (8086, 68k, Z80) where 7 dedicated inputs plus 16 I/O lines are exactly right for full 16-bit address decoding with multiple bank selects. The 25 ns tPD ensures one-DECode-stage insertion does not break a 25 MHz memory-access budget, and 320 product terms comfortably handle complex AND-OR qualifier logic. The 24-pin ceramic DIP allows easy socket-mounting on backplanes for field-replaceable unit (FRU) serviceability.
Recommended
Industrial State Machines and Sequencers
The EPM5032DI25 is well-suited to industrial state machines and sequencers where 32 macrocells provide flip-flops for 16-state encoding with full Mealy/Moore output decode, plus 24 inputs for sensor and operator-panel switches. The 25 ns tPD gives a worst-case state-transition latency that supports step rates up to about 10 MHz before combinational paths become critical, while 5V TTL I/O interfaces directly to 24V-to-5V opto-isolated industrial I/O. The ceramic DIP is rated for industrial temperature ranges and resists thermal-cycling fatigue in 24/7 factory automation.
Recommended
TTL-to-TTL Signal Conditioning and Level Shifting
The EPM5032DI25 works in TTL-to-TTL signal-conditioning and protocol-translation cards, where 24 inputs handle bus-level signal sampling and 16 outputs drive conditioned signals back to the bus. The 25 ns tPD adds minimal latency to enable/disable or format-conversion paths, and 320 product terms absorb the AND-OR logic of typical bus-arbitration or hand-shaking state machines. The 24-pin ceramic DIP with UV window supports field engineering updates to translation tables without re-spinning the PCB.
Recommended
Multi-PAL/GAL Replacement and Consolidation
The EPM5032DI25 is ideal for replacing multiple discrete PAL/GAL devices (typically 4-6 PAL16L8/PAL20L8 packages) with a single 32-macrocell device, reducing PCB area and improving reliability by removing socketed interconnects. With 320 product terms and 24 inputs, it absorbs the AND-OR planes of typical PAL-GAL banks used in legacy telecom, instrumentation, and test equipment. The ceramic DIP with UV window preserves the development-cycle reprogramming convenience of the original discrete PALs.
Recommended
Test and Measurement Front-End Logic
The EPM5032DI25 fits test and measurement front-end logic where 24 inputs accept parallel sensor data and 16 outputs drive relays, multiplexers, or ADC channel-selects with deterministic 25 ns latency. The 5V TTL-compatible I/O interfaces directly to legacy instrumentation-grade signal chains, while 32 macrocells implement trigger logic, gating, and sequence generators in a single socketed DIP. The UV window supports iterative calibration-algorithm updates during instrument development.
Recommended
Recommended Products Summary
Engineering reference data for EPM5032DI25 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EPM5032DC-25 | EPM5032DC-20 | EPM5032DC-15 | EPM5032DC20 | EPM5032DC | EPM5016DC-20 |
|---|---|---|---|---|---|---|---|
| Brand | Altera | Altera | Altera | Altera | Altera | Altera | Altera |
| Package | 24-pin Ceramic DIP (DI) with UV window | 24-pin Plastic DIP (DC) OTP - same footprint | 24-pin Plastic DIP (DC) OTP - same footprint | 24-pin Plastic DIP (DC) OTP - same footprint | 24-pin Plastic DIP (DC) OTP - same footprint | 24-pin Plastic DIP (DC) OTP - same footprint | 24-pin Plastic DIP (DC) OTP - same footprint |
| Pin-to-Pin Delay (tPD) | 25 ns | 25 ns | 20 ns | 15 ns | 20 ns | [DATA_NEEDED] | 20 ns |
| Macrocells | 32 | 32 | 32 | 32 | 32 | 32 | 16 |
| Product Terms | 320 | 320 | 320 | 320 | 320 | 320 | 160 |
| Programming Technology | UV-EPROM (erasable) | OTP (one-time-programmable) | OTP (one-time-programmable) | OTP (one-time-programmable) | OTP (one-time-programmable) | OTP (one-time-programmable) | OTP (one-time-programmable) |
| Package Material | Ceramic (with quartz window) | Plastic (no window) | Plastic (no window) | Plastic (no window) | Plastic (no window) | Plastic (no window) | Plastic (no window) |
| Supply Voltage | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V |
| Typical Qty-1 Price (USD, as of 2026-09-12) | $18.50 | $8.00 (estimate; cheaper plastic) | $10.00 (estimate) | $14.00 (estimate) | $10.00 (estimate) | $7.00 (estimate) | $6.00 (estimate) |
Key Differentiators
- UV-erasable ceramic DIP supports iterative development (vs EPM5032DC-25)
- 32 macrocells provide 2x the logic capacity of the EPM5016 family (vs EPM5016DC-20)
- 25 ns tPD is the production-validated speed grade for 5V systems (vs EPM5032DC-15)
Design Notes
Decouple the EPM5032DI25 VCC pin (pin 24) with a 0.1 uF ceramic capacitor placed within 5 mm of the package, plus a bulk 10 uF tantalum or aluminum electrolytic capacitor on the same 5V rail. The 32-macrocell CMOS core can draw transient current spikes during simultaneous output transitions; without adequate decoupling these spikes can cause ground bounce and false triggering of input pins. A ferrite bead in series with VCC may be added for noise-sensitive analog front-end designs.
Use a 24-pin DIP socket (machined-pin or dual-wipe preferred) rather than soldering the EPM5032DI25 directly to the PCB, because UV erasure requires physical removal of the part. For prototypes, an open-frame ZIF socket accelerates development cycles; for production runs, a closed-frame socket with pin retention is more reliable. Keep trace stubs to unused I/O pins short or remove them entirely to minimize signal reflections on bidirectional pins.
Avoid mixing ceramic DIP UV-erasable parts (DI suffix) with plastic OTP parts (DC suffix) on the same production PCB without verifying that the OTP version is bitstream-compatible: the JEDEC fuse map is identical but UV-erasable parts must be erased before reprogramming, while OTP parts cannot be erased. Also note that the quartz window of ceramic DIP parts is sensitive to ESD and contamination; cover it with opaque tape when not erasing to prevent accidental UV exposure from fluorescent lighting or sunlight that can corrupt the configuration over time.
The 24 dedicated-input pins and 16 bidirectional I/O pins are TTL-compatible, not CMOS-compatible with 5V inputs from 3.3V logic without a level shifter. When interfacing to 3.3V modern microcontrollers, add a 74LVC245 or similar bidirectional level translator between the 3.3V device and the EPM5032DI25; do not rely on the 5V TTL inputs to safely accept 3.3V signals over the full temperature range. Also terminate long bus traces with 220-330 ohm series resistors to dampen ringing on the 25 ns-class outputs.
Compliance Information
Compliance status not stated in verified distributor data. The ceramic DIP package predates most RoHS conversion programs and may contain lead-bearing glass or terminations; engineers should request compliance documentation from the distributor before design-in for RoHS/REACH-regulated end products.
