EPM5032SC-25 - MAX 5000 EPLD, 32 Macrocells, 25ns | Intel
MPN: EPM5032SC-25 β End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $18.5 | $18.50 |
| 10 | $15.2 | $152.00 |
| 100 | $11.8 | $1,180.00 |
| 500 | $9.5 | $4,750.00 |
| 1,000 | $8.2 | $8,200.00 |
Drop-in alternatives for EPM5032SC-25 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:
EPM5032LC-25
β Drop-Inβ In Stock
$8.2 / Unit
View Datasheet βEPM5032LC-20
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$8.4 / Unit
View Datasheet βEPM5032LC-15
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View Datasheet βEPM5032SC-20
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View Datasheet βEPM5032DI-25
β Drop-Inβ In Stock
$18.2 / Unit
View Datasheet βEPM5032SC-25 Maximum Ratings & Electrical Characteristics
| Family | MAX 5000 |
| Device Type | EPLD (Erasable/OTP Programmable Logic Device) |
| Macrocells | 32 |
| Dedicated Inputs | 7 |
| Bidirectional I/O | 16 |
| Total Pin Count | 28 |
| Package | PDSO-28 (Plastic DIP Small Outline, SOIC-28 equivalent) |
| Speed Grade | -25 |
| Propagation Delay (tpd) | 25 ns |
| Maximum Counter Frequency (fCNT) | 91 MHz |
| Supply Voltage (VCC) | 5 V (typical, 4.5 V to 5.5 V) |
| Technology | CMOS, UV-erasable or OTP |
| Interconnect | Programmable Interconnect Array (PIA) |
| Operating Temperature (Commercial) | 0C to +70C |
| Mounting Type | Surface Mount |
| Programming Method | Altera programming hardware (legacy iMPACT or MAX+PLUS II) |
EPM5032SC-25 Pin Configuration
| Pin 1 | I/O0 β Bidirectional I/O pin (macrocell-driven or input) |
| Pin 2 | I/O1 β Bidirectional I/O pin |
| Pin 3 | I/O2 β Bidirectional I/O pin |
| Pin 4 | I/O3 β Bidirectional I/O pin |
| Pin 5 | I/O4 β Bidirectional I/O pin |
| Pin 6 | I/O5 β Bidirectional I/O pin |
| Pin 7 | I/O6 β Bidirectional I/O pin |
| Pin 8 | I/O7 β Bidirectional I/O pin |
| Pin 9 | I/O8 β Bidirectional I/O pin |
| Pin 10 | GND β Ground |
| Pin 11 | I/O9 β Bidirectional I/O pin |
| Pin 12 | I/O10 β Bidirectional I/O pin |
| Pin 13 | I/O11 β Bidirectional I/O pin |
| Pin 14 | I/O12 β Bidirectional I/O pin |
| Pin 15 | I/O13 β Bidirectional I/O pin |
| Pin 16 | I/O14 β Bidirectional I/O pin |
| Pin 17 | I/O15 β Bidirectional I/O pin |
| Pin 18 | IN0 β Dedicated input pin |
| Pin 19 | IN1 β Dedicated input pin |
| Pin 20 | IN2 β Dedicated input pin |
| Pin 21 | IN3 β Dedicated input pin |
| Pin 22 | IN4 β Dedicated input pin |
| Pin 23 | IN5 β Dedicated input pin |
| Pin 24 | IN6 β Dedicated input pin |
| Pin 25 | NC β Not connected (per datasheet, dedicated function reserved) |
| Pin 26 | NC β Not connected (per datasheet, dedicated function reserved) |
| Pin 27 | NC β Not connected (per datasheet, dedicated function reserved) |
| Pin 28 | VCC β +5 V 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
EPM5032SC-25 is suitable for 7 applications: TTL/CMOS Glue Logic Consolidation, Address Decoding in 5V Microprocessor Systems, State Machine Implementation in Telecom & Instrumentation, Bus Interface & Glue Logic for Legacy I/O, Industrial Control Replacement for Obsolete PALs, Legacy Avionics & Military Drop-In Logic, Test Equipment Custom Timing Generators.
TTL/CMOS Glue Logic Consolidation
The EPM5032SC-25 is well-suited to consolidating scattered 7400-series SSI and MSI TTL/CMOS glue logic into a single 28-pin SOIC device, freeing up valuable PCB real estate in legacy industrial-control and instrumentation designs. With 32 macrocells interconnected by a global Programmable Interconnect Array and a 25 ns pin-to-pin propagation delay, the part can replace an estimated 50-100 SSI/MSI packages while operating from a single 5 V rail with typical CMOS power consumption of roughly 100-200 mW depending on toggle rate. Use the part where multiple decode, latch, and state-machine functions must be merged to reduce board area and improve reliability.
Recommended
Address Decoding in 5V Microprocessor Systems
The EPM5032SC-25's 7 dedicated inputs and 16 bidirectional I/O pins make it ideal for address decoding and chip-select generation in 5 V microprocessor systems based on 8051, Z80, 68xx, or similar 8/16-bit legacy CPUs. The 25 ns tpd comfortably accommodates 12-25 MHz address-to-chip-select timing in 8051-family designs, while the 91 MHz maximum counter frequency supports higher-speed bus cycles. Place the EPM5032SC-25 between the CPU address bus and the peripheral chip-select pins, using the dedicated inputs for high-order address lines and the bidirectional I/O for peripheral enable signals; this replaces multiple 74LS138/139/151 decoders with one programmable device.
Recommended
State Machine Implementation in Telecom & Instrumentation
The EPM5032SC-25's 32 macrocells, each capable of implementing combinational, registered, or latched logic, are well-matched to medium-complexity state machines in legacy telecom and instrumentation equipment. With 25 ns tpd and 91 MHz fCNT, the device supports sequencing logic running at controller clock rates up to 25-40 MHz, while the 5 V CMOS I/O interfaces directly to legacy TTL peripherals without level shifters. Use the part for protocol converters, handshaking logic, and timing sequencers where a few PALs or GALs would otherwise be required.
Recommended
Bus Interface & Glue Logic for Legacy I/O
The EPM5032SC-25 excels at bus-interface glue logic - bus arbiters, wait-state generators, parity generators/checkers, and bidirectional bus buffers - in 5 V backplane systems such as ISA, STD, or VME. Its 16 bidirectional I/O pins can be split into two 8-bit buses for buffering or multiplexing functions, while the dedicated inputs handle control signals. With 25 ns propagation delay and 5 V CMOS drive, the device reliably interfaces to legacy peripherals in industrial backplanes.
Recommended
Industrial Control Replacement for Obsolete PALs
The EPM5032SC-25 is a popular replacement for end-of-life 24-pin/28-pin PAL and GAL devices in industrial control boards where the original logic devices are no longer available. The MAX 5000 macrocell architecture is software-compatible with the legacy Altera MAX+PLUS II design flow, allowing existing PAL equations to be recompiled directly. With 32 macrocells at 25 ns, the part typically provides 20-30% more logic capacity than a 24-pin PAL, simplifying designs that previously required multiple PALs.
Recommended
Legacy Avionics & Military Drop-In Logic
For 5 V avionics and military systems requiring ceramic-packaged or 883B-processed EPLDs, the same MAX 5000 family die is available in ceramic DIP (DC) and military-processed (DM/883B) variants - the EPM5032SC-25 itself is the commercial SOIC-28 surface-mount variant, and its die is shared with the military-grade EPM5032DM/883B. Designers use the EPM5032SC-25 for prototypes and commercial-grade production, then transition to the DC or DM variants for ruggedized deployments, sharing a single set of MAX+PLUS II design files across both.
Recommended
Test Equipment Custom Timing Generators
The EPM5032SC-25's 91 MHz maximum counter frequency makes it a practical choice for custom timing generators, pulse shapers, and trigger sequencers in legacy test and measurement equipment where ASICs are unavailable and discrete logic is too bulky. Programmable counters, shift registers, and one-shot generators fit easily within 32 macrocells, while the 5 V CMOS drive levels interface directly to TTL instrumentation. The 28-pin SOIC package fits standard ATE board layouts, and the part is supported by the legacy Altera programming tools still found in many test labs.
Recommended
Recommended Products Summary
Engineering reference data for EPM5032SC-25 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EPM5032LC-25 | EPM5032LC-20 | EPM5032LC-15 | EPM5032SC-20 | EPM5032DI-25 |
|---|---|---|---|---|---|---|
| Brand | Intel (formerly Altera) | Intel (formerly Altera) | Intel (formerly Altera) | Intel (formerly Altera) | Intel (formerly Altera) | Intel (formerly Altera) |
| Package | PDSO-28 (SOIC-28) | PDSO-28 (SOIC-28) - same | PDSO-28 (SOIC-28) - same | PDSO-28 (SOIC-28) - same | PDSO-28 (SOIC-28) - same | PDSO-28 (SOIC-28) - same |
| Macrocells | 32 | 32 | 32 | 32 | 32 | 32 |
| Dedicated Inputs | 7 | 7 | 7 | 7 | 7 | 7 |
| Bidirectional I/O | 16 | 16 | 16 | 16 | 16 | 16 |
| Propagation Delay (tpd) | 25 ns | 25 ns (same) | 20 ns (faster, -20%) | 15 ns (faster, -40%) | 20 ns (faster, -20%) | 25 ns (same) |
| Max Counter Frequency | 91 MHz | 91 MHz | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | 91 MHz |
| Operating Temperature | 0C to +70C (Commercial) | 0C to +70C (Commercial) | 0C to +70C (Commercial) | 0C to +70C (Commercial) | 0C to +70C (Commercial) | -40C to +85C (Industrial) |
| Supply Voltage | 5 V (4.5-5.5 V) | 5 V (4.5-5.5 V) | 5 V (4.5-5.5 V) | 5 V (4.5-5.5 V) | 5 V (4.5-5.5 V) | 5 V (4.5-5.5 V) |
Key Differentiators
- Surface-mount SOIC-28 with commercial 0C-70C grade (vs EPM5032DC-25)
- 25 ns speed grade with 91 MHz counter frequency (vs EPM5032SC-20)
- Commercial temperature grade (0C to +70C) (vs EPM5032DI-25)
Design Notes
The EPM5032SC-25 operates from a single 5 V supply (4.5 V to 5.5 V). Place a 100 nF decoupling capacitor as close as possible to the VCC pin (pin 28), and add a bulk 10-47 uF tantalum or aluminum electrolytic capacitor on the same supply rail. The MAX 5000 family uses CMOS technology with typical ICC of roughly 50-150 mA depending on toggle rate and output loading. Estimated: assuming all 16 outputs toggling at 1 MHz with 50 pF loads, dynamic current is approximately 100 mA. Always size the supply regulator for the worst-case ICC and inrush during programming.
For the 28-pin SOIC (PDSO-28) package, use a 1.27 mm (50 mil) pitch SOIC land pattern with pad dimensions of approximately 0.55 mm x 1.9 mm. Keep clock, dedicated-input, and I/O traces short to minimize propagation delay and reflections. Provide a solid ground plane beneath the device and route VCC with a wide trace or pour. For mixed-signal legacy boards, isolate the EPM5032SC-25's digital ground return from sensitive analog areas to prevent switching noise coupling.
Common pitfalls with the EPM5032SC-25 include: (1) exceeding the 5.5 V absolute maximum VCC, which can latch up the CMOS EPLD; (2) leaving unused I/O pins floating - configure them as outputs driving low or as inputs with valid logic levels to minimize ICC and noise; (3) using the wrong speed-grade (e.g. substituting a -20 part in place of a -25 without verifying timing margins); (4) forgetting the JTAG/programming pin pull-ups during in-system programming. The MAX 5000 family is now obsolete and supported only by legacy iMPACT or MAX+PLUS II tools - verify tool availability before committing to this part for new designs.
When laying out the EPM5032SC-25, dedicate one PCB layer as a continuous ground plane to control return-current paths and reduce EMI. Place the device away from high-current switching regulators or relay coils, and keep the I/O traces short and impedance-matched for bus frequencies above 10 MHz. The 7 dedicated inputs are typically used for high-fanout global signals (clock, OE, register preset/reset); route these to the nearest input pins and avoid stub traces. Programming-pin access (legacy Altera ByteBlaster or BitBlaster) requires dedicated test points or header access if in-system programming is needed.
Compliance Information
Compliance status not provided in the Verified Web Data. The EPM5032SC-25 is a legacy Altera/Intel EPLD originally designed before RoHS was mandatory; verify lead-free and RoHS status with the distributor before placing production orders for EU markets. Not AEC-Q100 qualified - this is a commercial-grade part.
