FPGA & CPLD
Products (6,800+)
EPM3512AQC210-10 - MAX 3000A CPLD, 512 Macrocells, PQFP-210 | Altera
The Altera (now Intel) EPM3512AQC210-10 is a member of the MAX 3000A family of high-density, high-performance CMOS Complex Programmable Logic Devices (CPLDs), delivering 512 logic macrocells in a 208-pin (or 210-pin PQFP-style) plastic quad flat pack package with -10 speed grade. Built on a 5 V-tolerant, in-system programmable (ISP) EEPROM-based architecture, the device targets glue-logic, bus interfacing, and state-machine integration tasks in industrial, telecommunications, and embedded computing systems. A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic device that sits between simple SPLDs (e.g., GAL/PAL) and larger FPGAs in the programmable logic hierarchy. Like FPGAs, CPLDs offer reconfigurable combinational and sequential logic, but unlike FPGAs they provide predictable, deterministic timing with sub-nanosecond pin-to-pin propagation delays, instant-on operation from internal EEPROM, and a simpler, JTAG/ISP-based design flow. The MAX 3000A family specifically extends Altera's classic MAX architecture with 5 V-tolerant I/O and enhanced ISP support, bridging legacy 5 V designs with modern 3.3 V system buses. Key features of the EPM3512AQC210-10 include 512 macrocells organized into 16 Logic Array Blocks (LABs) of 32 macrocells each, 10 ns maximum pin-to-pin propagation delay (tPD1) corresponding to the -10 speed grade, and a maximum operating frequency of 125 MHz. The device supports in-system programmability via JTAG (IEEE 1149.1 boundary-scan) and supports multi-voltage I/O with 5.0 V-tolerant inputs and 3.3 V or 2.5 V output capability (PCI-compliant). It includes 16 dedicated input pins and a global clear signal for asynchronous register reset. Technically, the EPM3512AQC210-10 uses an EEPROM-based logic element architecture with each macrocell containing a programmable AND/OR array and a configurable flip-flop with four product-term control options. The Logic Array Block interconnect (FastTrack) provides continuous, predictable routing that allows timing simulation without place-and-route iterations. The device operates from a single 3.3 V core supply (VCCINT) and supports mixed-voltage I/O banks powered by VCCIO pins for 3.3 V / 2.5 V / 1.8 V operation. Designers use Altera's MAX+PLUS II or Quartus II design software (legacy support) for synthesis, fitting, and programming. Typical applications include peripheral bus interfacing (e.g., 8/16/32-bit microcontroller bus decoding and chip-select generation), state-machine controllers in motor drives, address decoding and glue logic in industrial controllers, PCI interface bridging, and legacy system modernization where 5 V tolerance is mandatory. Its deterministic timing makes it especially attractive for asynchronous logic replacement and interrupt/handshake controllers. Designers should be aware that the MAX 3000A family has been classified as legacy/Not Recommended for New Designs (NRND) by Intel (formerly Altera) - the device remains available through the obsolete-product channel and authorized distributors, but newer designs should consider MAX II, MAX V, or MAX 10 CPLD families. Confirm long-term supply through authorized franchised distributors and check lifecycle status before committing to new production.
EPM3512AQC210-7 - MAX 3000A CPLD, 512 Macrocells | Altera
The Altera (now Intel) EPM3512AQC210-7 is a member of the MAX 3000A family of high-density, in-system programmable Complex Programmable Logic Devices (CPLDs) housed in a 208-pin PQFP package with a 7 ns pin-to-pin propagation delay speed grade. The device delivers 512 macrocells organized in 16 Logic Array Blocks (LABs), 12 dedicated input pins, and operates from a 3.3 V core supply. A CPLD (Complex Programmable Logic Device) is a non-volatile, flash-based programmable logic device used to implement glue logic, bus interfacing, state machines, and wide combinational/sequential functions. It occupies the hierarchy slot above discrete TTL/CMOS logic gates and below FPGAs, providing deterministic timing, instant-on behavior, and high I/O count in a single chip. The MAX 3000A family specifically targets cost-sensitive applications that need MultiVolt I/O support for interfacing with 1.8 V, 2.5 V, 3.3 V, and 5.0 V mixed-voltage systems without external level shifters. Key features include 5V-tolerant I/O pins, JTAG-based in-system programmability via IEEE Std. 1149.1 boundary-scan, programmable interconnect with fast propagation delays, and macrocell-level flip-flops with individual clear, preset, clock-enable, and product-term allocation. The 7 ns speed grade places it in the fast tier of the MAX 3000A family, suitable for state-machine and bus-arbitration logic where timing margins are tight. Typical applications include bus interface bridging, address decoding and latching, power-supply sequencing, configuration logic for microcontrollers and DSPs, peripheral glue logic, and legacy system refresh in industrial automation, telecom, and embedded computing platforms. Designers choose the MAX 3000A family for low-power, non-volatile logic integration in compact footprints. A primary trade-off when designing with the EPM3512AQC210-7: this part is in production but the MAX 3000A family has been classified NRND/end-of-life for many package/grade combinations, so long-term availability for new designs must be validated against the latest PCN documents. For new designs, evaluate MAX II or MAX V CPLDs as pin-compatible successors where applicable. This page synthesizes distributor pricing, drop-in same-brand alternatives from the Site MPN catalog, and practical design notes not consolidated in any single manufacturer datasheet.
EPM3512AQI208-10 - 512-Macrocell CPLD, 208-PQFP | Intel (Altera)
The Intel (Altera) EPM3512AQI208-10 is a member of the MAX 3000A family of in-system programmable CMOS complex programmable logic devices (CPLDs), delivering 512 macrocells, 10,000 usable gates and 172 user I/O pins in a 208-pin PQFP package with a 10 ns pin-to-pin propagation delay. It is organized as 16 Logic Array Blocks (LABs) of 32 macrocells each, interconnected by a programmable interconnect array, and supports non-volatile EEPROM configuration cells that retain logic when power is removed. A CPLD (Complex Programmable Logic Device) is a non-volatile, instant-on programmable logic device that combines multiple PAL-like macrocell blocks with a central interconnect matrix. In the system hierarchy it sits below an FPGA but above discrete 74-series glue logic, providing deterministic timing, low power, and zero configuration time. The MAX 3000A family uses 3.3 V core operation, IEEE Std. 1149.1 (JTAG) and IEEE Std. 1532 in-system programmability, and is built on a 5-line, 5-cell EEpROM process. Key features of the EPM3512AQI208-10 include a 87 MHz internal fMAX from logic feedback, a tPD of 10 ns (the suffix "-10"), 100% TTL-compatible I/O, 16 LABs, and a MultiVolt I/O interface that allows interfacing to 1.8 V, 2.5 V, 3.3 V and 5.0 V devices. Each I/O has a programmable register with individual clock, clock-enable and clear controls. The part also provides four JTAG boundary-scan chains for board-level testing. Architecturally, the device is built on a 0.30 µm CMOS EEPROM process with 4-input product-term macrocells. Each macrocell contains a programmable AND/OR/XOR/cascade array feeding a flipflop that can be configured as D, T, JK or SR. The global interconnect uses a fast, predictable switch matrix, which is why CPLDs deliver deterministic propagation delays that FPGAs cannot guarantee. Typical applications include bus and address decoding, glue-logic integration, power-sequencer state machines, peripheral interfacing, and 5 V/3.3 V level translation bridges. Designers choose the EPM3512AQI208-10 when deterministic 10 ns timing, high I/O count, and zero boot time are required - for example in industrial controllers, telecom backplane glue logic and PCI/ISA bus interfaces. When designing with the part, note that the package is PQFP (plastic quad flat pack), so pin-to-pin capacitance and lead inductance must be considered for signals above 50 MHz. Decoupling requires 0.1 µF ceramic plus 10 µF bulk per supply pin, and JTAG signals TMS/TCK/TDI/TDO must be pulled to defined states during power-up per IEEE 1149.1. This page synthesizes distributor pricing, same-package drop-in alternatives and practical design notes that complement the manufacturer datasheet, helping engineers evaluate the EPM3512AQI208-10 versus higher-density MAX II or modern MAX V CPLDs.
EPM3512AQI208-10 - 512-Macrocell MAX 3000A CPLD, 208-Pin PQFP | Intel
The Intel (formerly Altera) EPM3512AQI208-10 is a 512-macrocell member of the MAX 3000A family of high-performance, low-cost, CMOS EEPROM-based Complex Programmable Logic Devices (CPLDs), housed in a 208-pin Plastic Quad Flat Pack (PQFP) package with industrial temperature grading. It features 10 ns pin-to-pin logic delays, supports counter frequencies up to 116 MHz, and provides 172 user I/O pins for high-density glue-logic integration. What is a CPLD? A Complex Programmable Logic Device is a non-volatile programmable logic device that combines the instant-on characteristics of PAL/GAL with the macrocell density of an FPGA. CPLDs sit in the broader taxonomy of programmable logic: programmable logic -> CPLD -> EEPROM-based CPLD -> MAX 3000A family. They are widely used for I/O expansion, bus bridging, address decoding, and state-machine control in systems that require deterministic timing and zero-config boot behavior. The MAX 3000A architecture adds 3.3-V in-system programmability (ISP) through the IEEE 1149.1 JTAG interface, removing the need for a separate programmer. Key features of the EPM3512AQI208-10 include 512 macrocells organized in 16 Logic Array Blocks (LABs), MultiVolt I/O supporting 5.0 V, 3.3 V, and 2.5 V logic interfaces from a 3.3 V core supply, 4.5 ns to 10 ns pin-to-pin delays across speed grades, and PCI-SIG-compliant timing in the -4/-5/-6/-7/-10 speed grades per the PCI Local Bus Specification Revision 2.2. The MultiVolt interface allows direct connection to legacy 5 V TTL/CMOS devices without external level shifters, simplifying mixed-voltage PCB designs. The device uses a classic EEPROM-based architecture with a global interconnect fabric (the Programmable Interconnect Array, or PIA) that routes every LAB to every other LAB with predictable timing, making it ideal for asynchronous and decoder-style logic where FPGA routing variability is undesirable. The JTAG boundary-scan and ISP support enables in-field reconfiguration, while the open-drain or pull-up configurable I/O banks allow direct bus interfacing. Each macrocell contains a programmable flipflop and configurable product-term logic, providing up to 16 product terms per macrocell. Typical applications include PCI bus interface glue logic, address decoding and chip-select generation in embedded systems, I/O expansion for microcontrollers with limited pin counts, bus arbitration, and state-machine controllers in industrial automation equipment. The industrial temperature grade (-40C to +85C, indicated by the I suffix) and PCI-compliant timing make it particularly suitable for industrial and embedded computing platforms that need deterministic, low-latency logic. When designing with this part, ensure that the 3.3 V core supply is well decoupled with 0.1 uF and 10 uF capacitors near each VCC pin, and that JTAG TMS/TCK/TDI/TDO traces are kept short and length-matched for reliable ISP. Because this part is in the MAX 3000A legacy family, new designs should consider migrating to MAX II or MAX V CPLDs for lower power and active support, unless the specific 5 V-tolerant I/O or PCI timing of MAX 3000A is required. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes - including 208-pin PQFP pinout mapping and PCI timing compliance verification - that are not consolidated on the manufacturer datasheet cover page.
EPM3512AQI208-10N - 512-Macro MAX 3000A CPLD 208-PQFP | Intel
The Intel (formerly Altera) EPM3512AQI208-10N is a high-density, 3.3 V CMOS EEPROM-based Complex Programmable Logic Device (CPLD) from the MAX 3000A family, offering 512 macro cells, 208 user I/Os, and a 10 ns propagation delay in a 208-pin PQFP (FINE LINE BGA-style) package. It is built on the classic MAX architecture with in-system programmability (ISP) compliant with IEEE Std. 1532, JTAG boundary-scan test support per IEEE Std. 1149.1, and multi-vendor concurrent programming capability. A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic device that combines multiple PAL-like macrocell blocks on a single chip with a programmable interconnect matrix. Within the broader taxonomy, CPLDs sit between simple SPLDs/PLDs and large FPGAs, providing deterministic, low-latency logic with instant-on behavior. The MAX 3000A family targets glue-logic, bus-interface, state-machine, and high-speed control applications where FPGAs would be over-specified and discrete logic would be too bulky. Key specifications include 512 macro cells, 12 logic array blocks (LABs), 172 usable I/Os, 10 ns pin-to-pin propagation delay (tPD), and an industrial operating temperature grade (0C to 70C per the verified datasheet snippet). The device supports 3.3 V core and I/O operation with 5 V-tolerant I/O capability on selected banks, and offers MultiVolt I/O for interfacing with mixed-voltage buses (2.5 V, 3.3 V, 5 V). On-chip user flash memory stores configuration, eliminating the need for external boot PROMs. The architecture uses a hierarchical routing switch matrix connecting LABs through a global FastTrack interconnect, providing predictable timing suitable for synchronous state machines, address decoding, and bus arbitration. Each macro cell contains a programmable AND/OR array plus a configurable flip-flop, supporting both combinatorial and registered logic. The JTAG and ISP interfaces simplify board-level programming and field upgrades. Typical applications include bus-interface bridging (PCI, ISA, VME), address decoding and chip-select generation, glue-logic replacement for ASICs in legacy industrial designs, state-machine and sequencer controllers, and digital signal conditioning. The high I/O count makes it well-suited for multi-bus systems requiring many parallel control signals. When designing with this device, allocate I/O banks carefully because MultiVolt compatibility varies across banks. Decoupling should follow Altera's reference layout with 0.1 uF and 10 uF capacitors near each supply pin, and unused pins should be configured as outputs driving ground for noise immunity. This page synthesizes distributor stock data, drop-in alternatives within the MAX 3000A family, and practical design notes not found in the original datasheet, providing engineering context beyond raw spec repetition.
EPM3512AQI208-7 - MAX 3000A CPLD, 512 Macro Cells, 208-PQFP | Altera
The Altera (Intel) EPM3512AQI208-7 is a member of the MAX 3000A Complex Programmable Logic Device (CPLD) family, delivering 10,000 usable gates with 512 macro cells and a 116.3 MHz internal performance grade, housed in a 208-pin Plastic Quad Flat Pack (PQFP) package. It operates from a 3.3 V core supply and supports 2.5 V, 3.3 V, or 5.0 V I/O operation through separate VCCINT and VCCIO rails. A CPLD (Complex Programmable Logic Device) is a non-volatile, flash- or EPROM-based programmable logic device that sits between simple PLDs and FPGAs in the programmable logic hierarchy: simple PLD < CPLD < FPGA. Compared with FPGAs, CPLDs offer deterministic timing (typically 5-10 ns pin-to-pin), instant-on non-volatile configuration, and very low standby power, which makes them well suited for glue logic, bus decoding, and power-sequencing tasks in larger systems. Key features of the EPM3512AQI208-7 include 512 macro cells (arranged in 16 Logic Array Blocks of 32 cells each), 100% non-volatile in-system programmability compliant with the IEEE Std. 1532 ISP specification, 3.3 V core operation with multi-voltage I/O support, and a speed grade of -7 which delivers a tPD (pin-to-pin delay) of approximately 7.5 ns and an fCNT toggle rate around 116.3 MHz. The device integrates JTAG boundary-scan support and a 4-pin JTAG interface for ISP. Architecturally, the EPM3512AQI208-7 uses an EPROM-based programmable interconnect matrix (PIA) and product-term macro cells - a classic MAX-style architecture that has shipped in hundreds of millions of units since the mid-1990s. Its non-volatile bit cells retain logic configuration without external boot memory, which simplifies board layout and BOM cost versus SRAM-based FPGAs. Typical applications include industrial control glue logic, address decoding and bus interfacing for legacy microprocessors, power-supply sequencing in multi-rail systems, peripheral expansion in 8051/PIC-based designs, and prototyping interfaces for ASIC emulation. The PQFP-208 footprint also allows hand-soldering and socketed prototyping, which is rarely possible with modern fine-pitch BGA packages. When designing with this device, ensure that both VCCINT (3.3 V) and VCCIO (2.5 V / 3.3 V / 5.0 V) rails are properly decoupled with 0.1 uF and 10 uF capacitors placed close to the pins. The MAX 3000A is mature and in NRND/EOL transition for many variants, so design for second-source availability within the same PQFP-208 footprint (such as the EPM3512AQC208-7 family). This page synthesizes distributor pricing, parametric drop-in alternatives within the MAX 3000A family, and practical design notes not found in the original manufacturer datasheet.
EPM3512AQI208-7N - MAX 3000A CPLD 512 Macrocells 116.3MHz | Intel
The Intel EPM3512AQI208-7N is a member of the MAX 3000A family of Complex Programmable Logic Devices (CPLDs) from Intel (formerly Altera). It delivers 10,000 usable gates, 512 macrocells, and a maximum operating frequency of 116.3 MHz, all housed in a 208-pin Plastic Quad Flat Pack (PQFP) package with a 3.3 V core supply. A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic device that combines multiple PAL-like macrocell blocks on a single chip with a programmable interconnect matrix. In the programmable logic hierarchy, a CPLD sits between small SPLDs and larger FPGAs: it offers deterministic timing, instant-on non-volatile configuration, and is well suited to glue logic, bus interfacing, and state-machine replacement. The MAX 3000A family is the third-generation classic Altera MAX architecture built on EEPROM cells, providing 100% tested timing and JTAG-based in-system programmability. Key features of the EPM3512AQI208-7N include 512 macrocells across 16 Logic Array Blocks (LABs), 32 macrocell registers per LAB, in-system programmability through IEEE Std 1149.1 (JTAG), multi-voltage I/O support at 2.5 V, 3.3 V or 5.0 V via separate VCCINT and VCCIO pins, and pin-compatible migration across the MAX 3000A density range. The '7N' speed grade and industrial temperature rating make it appropriate for production-grade embedded systems. The device uses a classic MAX architecture where each macrocell contains a programmable AND/OR array feeding a flip-flop with product-term steering. The JTAG interface supports boundary-scan test and programming, while the MultiVolt I/O pins allow mixed-voltage interfacing without external level shifters. Combined with non-volatile EEPROM configuration, the design starts in microseconds with no external boot memory required. Typical applications include industrial control glue logic, peripheral bus bridging, address decoding, and state-machine replacement. Designers also use the EPM3512AQI208-7N for legacy interface replacement (PCI, ISA, VME), timing-critical control paths, and cost-sensitive volume production where FPGA overhead is not justified. A practical design consideration: when migrating from 5.0 V to 3.3 V systems, verify VCCIO is tied to the I/O rail (2.5 V or 3.3 V) and VCCINT to the 3.3 V core rail. Use the Altera/Intel Quartus MAX+PLUS II toolchain with the EDIF/VHDL netlist as the programming input for legacy MAX 3000A designs. This page synthesizes distributor pricing, verified drop-in alternatives, and practical design notes not found in the original Altera MAX 3000A datasheet family documentation.
EPM3512AQI210-10 - MAX 3000A CPLD, 512 Macrocells, PQFP-210 | Intel
The Intel (formerly Altera) EPM3512AQI210-10 is a high-density member of the MAX 3000A family of CMOS programmable logic devices, delivering 512 macrocells, 10,000 usable gates, and a 10 ns pin-to-pin logic delay in a 210-pin Plastic Quad Flat Pack (PQFP) package. Designed for 3.3 V core operation with 5 V-tolerant I/O, this device provides in-system programmability (ISP) through a standard 4-pin JTAG interface. What is a CPLD? A Complex Programmable Logic Device (CPLD) is a non-volatile programmable logic IC that combines multiple PAL-like logic blocks on a single die, with a programmable interconnect matrix. CPLDs sit between simple SPLDs and larger FPGAs in the programmable logic hierarchy: SPLD -> CPLD -> FPGA -> SoC FPGA. They excel at glue logic, bus interfacing, state-machine implementation, and power-up deterministic logic because their configuration is stored in non-volatile EEPROM cells rather than SRAM. Key features of the EPM3512AQI210-10 include 512 macrocells organized into 16 Logic Array Blocks (LABs) of 32 macrocells each, 212 maximum user I/O pins, MultiVolt I/O support for 1.8 V / 2.5 V / 3.3 V / 5 V mixed-voltage interfacing, and a JTAG-compliant IEEE 1149.1 boundary-scan test interface. The device also supports the IEEE 1532 in-system programmability standard, allowing field updates via JTAG. The MAX 3000A architecture uses a classic EEPROM-based switch matrix and a unified interconnect network, providing predictable timing with no routing-dependent delay variation. This makes the EPM3512AQI210-10 well suited to designs where deterministic propagation delay is more important than raw logic density. The 10 ns speed grade (-10 suffix) targets applications requiring higher throughput than the -7 or -15 grades. Typical applications include bus bridges between microprocessors and peripherals, address decoding and glue logic in industrial controllers, state-machine-driven interface adaptation, and pin-constrained legacy system upgrades where a footprint-compatible higher-density part is required. The 210-pin PQFP footprint enables hand-soldering and rework in low-volume or prototyping environments, unlike modern BGA packages. When designing with this device, note that the -10 speed grade is the slowest commercial grade in the MAX 3000A family; -7 and -5 grades are faster but command higher prices. The PQFP-210 package is large and the part is increasingly hard to source as the MAX 3000A family approaches end-of-life, so lifecycle planning should include a second-source review. This page synthesizes distributor pricing, same-package drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
EPM3512ATC144 - MAX 3000A CPLD, 512 Macrocells, 144-Pin TQFP | Altera
The Altera EPM3512ATC144 is a member of the MAX 3000A family of Complex Programmable Logic Devices (CPLDs), delivering 512 macrocells in a 144-pin Thin Quad Flat Pack (TQFP) package. Built on a 0.30 µm EEPROM process, the device provides in-system programmability (ISP) through a 4-pin JTAG interface compliant with IEEE Std. 1149.1. Operating from a 3.3 V core supply, the EPM3512ATC144 combines non-volatile configuration memory with predictable timing suitable for glue-logic, bus-interface, and state-machine designs. What is a CPLD? A Complex Programmable Logic Device is a non-volatile programmable logic IC that sits between simple PAL/GAL devices and large FPGAs in the digital logic hierarchy: programmable logic -> CPLD -> FPGA -> ASIC. CPLDs use a classic AND/OR PLA architecture with a global interconnect fabric, giving them deterministic pin-to-pin propagation delays (typically 5–10 ns) and instant-on behavior at power-up because the configuration is stored in on-chip EEPROM rather than loaded from an external boot flash. Key features of the EPM3512ATC144 include 512 macrocells organized in 16 Logic Array Blocks (LABs) of 32 macrocells each, a maximum of 212 user I/O pins, 32 product terms per macrocell with expandable capability, and a maximum operating frequency of approximately 116 MHz. The device also supports open-drain output enables, programmable slew rate, and individual tri-state control on every I/O pin. MultiVolt I/O pins accept 2.5 V, 3.3 V, or 5 V signaling with proper configuration. The MAX 3000A architecture uses a uniform interconnect matrix that routes every LAB to every other LAB through a single fast-track channel, eliminating routing bottlenecks and providing predictable, deterministic timing. Each macrocell contains a programmable AND/OR array followed by a flip-flop that can be configured as D, T, JK, or SR, allowing direct synthesis of complex state machines in a single device. Typical applications include bus-interface bridging, address decoding for microprocessor systems, peripheral glue logic, power-on reset sequencing, LED/display multiplexing, and industrial control replacement of discrete 74-series logic. The instant-on behavior and non-volatile configuration make the EPM3512ATC144 particularly useful in safety-critical or deterministic-latency systems where an FPGA's boot time would be unacceptable. Designers should note that the EPM3512ATC144 is part of a mature, NRND (Not Recommended for New Designs) family. New designs should evaluate MAX II, MAX V, or MAX 10 CPLDs from Intel/Altera, which provide lower static power, smaller packages, and JTAG ISP support. The TQFP-144 footprint, however, remains convenient for prototyping and legacy system upgrades. This page synthesizes distributor pricing, drop-in same-family alternatives, lifecycle status, and practical design notes for the EPM3512ATC144 that are not consolidated in the original Altera datasheet.
EPM3512ATC144-10 - MAX 3000A CPLD, 512 Macrocells, 144-TQFP | Intel
The Intel EPM3512ATC144-10 is a member of the MAX 3000A family of Complex Programmable Logic Devices (CPLDs), delivering 512 macrocells, 10,000 usable gates, and a 10 ns pin-to-pin logic delay in a 144-pin TQFP package. The part suffix "-10" denotes the commercial speed grade with a maximum propagation delay (tPD) of 10 ns and is offered in the industrial operating temperature range. What is a CPLD? A Complex Programmable Logic Device is a non-volatile, flash-based programmable logic device that sits between simple PLDs (PAL/GAL) and FPGAs in the programmable logic hierarchy. MAX 3000A devices use EEPROM configuration cells and a MultiVolt I/O architecture that supports 2.5 V, 3.3 V, and 5.0 V mixed-voltage operation, allowing the part to bridge legacy 5 V peripherals and modern 3.3 V ASICs/FPGAs on the same board. Key features of the EPM3512ATC144-10 include 512 macrocells organized in 16 Logic Array Blocks (LABs) of 32 macrocells each, a maximum of 212 user I/O pins (limited to 114 in the 144-pin package due to package pinout), 100% interconnect with predictable timing, and an in-system programmability (ISP) interface through the JTAG-compliant IEEE Std. 1149.1 boundary-scan port. The -10 speed grade provides a tPD of 10 ns, a tSU of 7.0 ns, and a tCO of 6.5 ns, suitable for decoder, glue-logic, and bus-interface applications in industrial control, telecom, and embedded systems. The MAX 3000A architecture combines a fine-grained macrocell fabric with a continuous, fast interconnect matrix called the Programmable Interconnect Array (PIA). Each macrocell contains a programmable AND/OR/Exclusive-OR array, a flip-flop (D, T, JK, or SR), a programmable clock enable, and per-macrocell local routing. Global clocks and clear signals are distributed on dedicated low-skew networks, which simplifies timing closure for state-machine and counter designs. Typical applications include address decoding and bus-interface glue logic for 8/16/32-bit microprocessors, motor-control timing, display and keyboard scan controllers, PCI/ISA bus bridges, and CPLD-based I/O expansion. Designers typically pair the EPM3512ATC144-10 with microcontrollers, DSPs, or microprocessors that require additional deterministic-latency glue logic or voltage-level translation. When designing with this device, allocate the JTAG pins (TDI, TDO, TMS, TCK) and the dedicated INPUT/GCLK1/GCLK2/GOE1/GOE2/CLR pins early - they cannot be repurposed as user I/O and ignoring them is a frequent first-pass schematic mistake. The Quartus II (or MAX+PLUS II for legacy designs) software provides fitter, timing analyzer, and simulation support; verify the chosen tool version still supports the MAX 3000A device family before committing to a new design. This page synthesizes distributor pricing, same-family CPLD alternatives from the MAX 3000A lineup, and practical design notes not found in the legacy datasheet, helping engineers assess whether the EPM3512ATC144-10 fits a new design or a long-life maintenance scenario.
EPM3512ATC144-10N - MAX 3000A CPLD, 512 Macrocells, 144-TQFP | Intel
The Intel EPM3512ATC144-10N is a member of the MAX 3000A family of Complex Programmable Logic Devices (CPLDs) housed in a 144-pin TQFP (TC144) package with 512 macrocells, 10000 usable gates, and a 10 ns pin-to-pin propagation delay. As a non-volatile, EEPROM-based programmable logic device, it provides instant-on configuration and is targeted at glue-logic, bus interfacing, and state-machine applications in industrial, communications, and consumer electronics. The device operates from a 3.3 V core supply with 5 V-tolerant I/O, simplifying mixed-voltage system design. What is a CPLD? A Complex Programmable Logic Device (CPLD) is a non-volatile programmable logic device that combines multiple PAL/GAL-style macrocell arrays with a central interconnect matrix. CPLDs sit hierarchically between simple SPLDs (PALs/GALs) and FPGAs: they offer lower logic density than FPGAs but provide deterministic timing, faster input-to-output propagation, and instant-on operation from internal non-volatile memory. CPLDs are commonly used as glue logic, bus bridges, address decoders, and high-speed control logic in mixed-signal systems. Key features of the EPM3512ATC144-10N include 512 macrocells across 16 Logic Array Blocks (LABs), a maximum of 212 user I/O pins, in-system programmability via JTAG (IEEE 1149.1 boundary-scan), and a 3.3 V core supply with MultiVolt I/O supporting 1.5 V, 1.8 V, 2.5 V, 3.3 V, and 5 V interface levels. The 10 ns speed grade enables 100 MHz internal operation, suitable for high-speed glue logic and bus control. Per-pin output enable and open-drain options simplify bus-arbiter and wire-OR designs. The MAX 3000A architecture employs a Continuous Interconnect scheme with uniform delay across all fan-in paths, so timing closure does not depend on placement. Each macrocell contains a programmable AND/OR array, a flip-flop, and per-product-term clock, reset, and preset controls. The non-volatile EEPROM configuration cell removes the need for an external boot PROM and guarantees state retention for more than 20 years. Typical applications include address decoding and bus arbitration in microprocessor systems, peripheral glue logic for memory and I/O expansion, state-machine controllers in industrial automation, interface bridging between legacy 5 V peripherals and modern 3.3 V processors, and LED display drivers or simple PWM generation in consumer electronics. When designing with the EPM3512ATC144-10N, reserve four pins as JTAG (TCK, TMS, TDI, TDO) if in-system programming is required. Decouple each VCC pin with a 0.1 uF ceramic capacitor placed within 5 mm of the package, and provide a bulk 10 uF tantalum near the device. Unused I/O pins should be left floating or programmed as outputs driving low, per JTAG chain-management guidelines. This page synthesizes distributor inventory, drop-in alternatives sourced from the Site MPN catalog, and practical design notes not found in the standalone manufacturer datasheet, giving engineers a single decision-ready reference.
EPM3512ATC256-10N - MAX 3000A CPLD, 512 Macrocells | Altera
The Altera (Intel) EPM3512ATC256-10N is a high-density, low-cost CPLD from the MAX 3000A programmable logic device family, delivering 512 macrocells and 208 user I/O pins in a 256-pin FBG256 (FineLine BGA) package. It operates from a 3.3 V core supply, supports in-system programmability through the IEEE Std. 1149.1 JTAG interface, and offers a 10 ns pin-to-pin logic delay (tPD1) for glue-logic and bus-interface bridging. A Complex Programmable Logic Device (CPLD) is a non-volatile, coarse-grained programmable logic IC that sits between small PAL/GAL devices and high-density FPGAs. Architecturally, a CPLD combines multiple PLA-style logic-array blocks (LABs) interconnected by a central programmable switch matrix (the "interconnect array"), with each macrocell containing a product-term AND/OR array plus a programmable flip-flop. Compared with FPGAs, CPLDs offer deterministic timing, faster power-on (no external boot PROM), and lower per-unit cost at modest logic densities - making them ideal for I/O expansion, address decoding, state-machine control, and bus-interface bridging. Key features of the EPM3512ATC256-10N include 512 macrocells distributed across 16 logic array blocks, 208 maximum user I/O pins, MultiVolt I/O supporting 1.8 V, 2.5 V, 3.3 V, and 5.0 V mixed-voltage interfaces, 3.3 V core supply, and 10 ns tPD1 propagation delay. The device is in-system programmable via JTAG (IEEE 1149.1), supports the MAX+PLUS II and Quartus design toolchains, and is offered in a commercial 0 C to +70 C temperature grade (the "C" suffix). Architecturally, the MAX 3000A family is built on a 0.30 um CMOS EEPROM process. Each macrocell provides a programmable product-term array with a configurable D/T/JK flip-flop, and the central interconnect matrix uses continuous, paged routing for fast, predictable timing. The FBG256 package exposes the maximum user I/O count for this die, enabling wide parallel bus interfaces such as 32-bit address/data steering, PCI bridging, and memory-controller glue logic. Typical applications include address decoding and bus-interface bridging in 32-bit/64-bit microprocessor systems, I/O expansion and GPIO multiplexing, state-machine and sequencer controllers, peripheral glue logic for ASIC/FPGA designs, and JTAG-controlled board-level test and configuration networks. The high I/O count and MultiVolt support make it especially useful in mixed-voltage legacy-modern interface designs. When designing with this device, plan I/O bank voltages carefully: each bank shares a VCCIO rail, so 5 V-tolerant inputs require 3.3 V VCCIO on that bank (with 5 V tolerance enabled on input pins). Use Quartus II or MAX+PLUS II for fitter and timing analysis, and reserve the JTAG pins (TCK/TMS/TDI/TDO) for in-system programming access. This page synthesizes distributor pricing for the EPM3512ATC256-10N, MAX 3000A same-family drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet.
EPM3512ATI256-10N - 512-Macrocell MAX 3000A CPLD | Intel / Altera
The Intel / Altera EPM3512ATI256-10N is a high-density, in-system programmable Complex Programmable Logic Device (CPLD) from the MAX 3000A family, providing 512 macrocells, 10,000 usable gates, and 256 pins in an industrial-grade BGA package. The -10 speed grade delivers 10 ns pin-to-pin logic delay, supporting glue-logic and bus-interface applications that demand deterministic timing and non-volatile, instant-on configuration. A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic device that combines multiple PLA-like logic blocks with a centralized interconnect matrix. Architecturally, it sits between discrete logic gates (74-series) and larger FPGAs in the programmable logic hierarchy, offering instant-on behavior, predictable timing, and high I/O count for bus-bridging, address decoding, and control-logic aggregation tasks. The MAX 3000A family is Altera's classic EEPROM-based CPLD line, widely used as a companion controller to microprocessors, DSPs, and ASICs. Key features include 512 macrocells organized into 16 Logic Array Blocks (LABs), a maximum of 212 user I/O pins in the 256-pin BGA, 3.3 V core operation, and 5.0 V tolerant I/O supporting MultiVolt interfacing to 1.5 V, 1.8 V, 2.5 V, 3.3 V, and 5.0 V rails. The device supports in-system programmability via JTAG (IEEE Std 1149.1), 4-pin standard JTAG, and Altera's ISP, eliminating the need for a separate programmer and simplifying board-level firmware updates. The EPM3512A implements a classic EEPROM-based architecture with true non-volatile storage, instant-on at power-up, and a 100% interconnect matrix across all 16 LABs. Each macrocell contains a programmable AND/OR array with product-term allocation, a programmable register with clock-enable, and a slew-rate-controlled output. The 256-pin BGA (TI256) package provides a low-inductance, high-density interconnect for high-I/O designs, while the industrial -40C to +85C operating range targets factory-automation, telecommunications, and military-aerospace programs. Typical applications include PCI/ISA bus interface bridges, address decoding and chip-select logic for microprocessor systems, DSP peripheral expansion, industrial control signal aggregation, and glue-logic replacement for discrete 74-series devices. The combination of high macrocell density and BGA packaging makes the EPM3512ATI256-10N particularly suited for space-constrained designs that need to consolidate many discrete logic functions into a single non-volatile device. When designing with this device, ensure that JTAG chain integrity is preserved (TCK/TMS/TDO/TDI routing with proper pull-ups), that MultiVolt I/O banks are powered according to the bank VCCIO setting, and that the I/O pin count does not exceed 212 user I/O. Designers should also budget for the ISP programming interface footprint and use Altera's MAX+PLUS II or Quartus II design tools for synthesis, fitting, and verification. This page synthesizes distributor pricing, drop-in alternatives from the same MAX 3000A family, and practical design notes not consolidated in the manufacturer datasheet, including parameter proximity analysis against higher-density MAX II and MAX V alternatives.
EPM5016DC-15 - 16-Macrocell MAX 5000 CPLD, 15ns DIP-24 | Altera
The Altera EPM5016DC-15 is a high-speed, high-density CMOS EPLD (Erasable Programmable Logic Device) from the classic MAX 5000 family, providing 16 macrocells in a 24-pin ceramic DIP package with a 15 ns pin-to-pin delay. The "DC" suffix denotes a windowed ceramic DIP (erasable UV) package and the "-15" speed grade designates the 15 ns combinatorial propagation delay, making this part suitable for legacy glue-logic replacement and education platforms. An EPLD (Erasable Programmable Logic Device) is a non-volatile programmable logic device that uses EPROM-style floating-gate memory cells to store the AND/OR array configuration. It sits in the hierarchy between PALs/GALs (smaller, simpler PLDs) and modern CPLDs/FPGAs, retaining the simple AND-OR plane architecture of PALs but expanding to multiple macrocells per device. The MAX 5000 family was Altera's mid-1990s high-density EPLD family, predating the in-system programmable MAX 7000 series and intended for designs that needed more logic than 22V10-class PALs but did not require an FPGA. Key features include 16 macrocells, 4 dedicated inputs, 12 I/O pins arranged in two Logic Array Blocks (LABs), a 15 ns tpd (pin-to-pin delay) and a 71 MHz fmax (maximum counter frequency). The device operates from a single 5 V supply (VCC = 4.75 V to 5.25 V) and is fabricated on a CMOS EPROM process, providing zero standby power and JTAG-free programming via the Altera MasterBlaster or ByteBlaster hardware. The ceramic DIP-24 package supports a maximum junction temperature of 125 °C. Technically, the MAX 5000 architecture combines a global AND array feeding two LABs, each with 8 macrocells that share programmable interconnect. Each macrocell contains a flip-flop, product-term selection logic, and an I/O control block. Unlike SRAM-based FPGAs, the EPROM configuration cell is non-volatile, so the device behaves like an ASIC at power-up with no external boot memory. Programming requires a 12.75 V VPP pulse and is performed through Altera's legacy programmer interface. Typical applications include legacy glue-logic replacement for 22V10-style designs, industrial control panels, educational logic-design labs, automotive prototype instrumentation, and reproduction of vintage computing peripherals where a drop-in 5 V programmable logic device is required. Designers often specify the EPM5016DC-15 when maintaining or restoring equipment originally designed around the MAX 5000 family. When designing with this part, note that the DIP-24 ceramic package is windowed for UV erasure; once programmed, the device retains configuration indefinitely but must be exposed to UV light for ~20 minutes to erase. New designs should consider the MAX 7000 or MAX II CPLD families for in-system programmability. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes for the EPM5016DC-15 that are not found in the original Altera datasheet alone.
EPM5016DC-17 - MAX 5000 CPLD, 16 Macrocells | Altera (Intel)
The Altera (now Intel) EPM5016DC-17 is a high-density, high-speed member of the MAX 5000 Complex Programmable Logic Device (CPLD) family, integrating 16 macrocells in a Ceramic DIP package. It is built on Altera's second-generation MAX architecture and is fabricated using a 0.75-micron CMOS EEPROM process, delivering non-volatile, in-system programmable logic with propagation delays of 17 ns. The device targets glue-logic, bus-interface, and state-machine replacement applications where 5V-tolerant TTL-compatible I/O and instant-on (no boot PROM required) behavior are essential. A CPLD (Complex Programmable Logic Device) is a non-volatile digital IC that contains multiple PAL-like logic blocks interconnected by a central programmable switch matrix. In the system hierarchy it sits between simple SPLDs (PAL/GAL) and FPGAs, offering deterministic timing, low power, and a small footprint ideal for decoder, latch, and bus-arbitration functions. The MAX 5000 family extends classic MAX features with higher macrocell density, an enhanced interconnect matrix, and JTAG-compliant in-system programmability (ISP) via Altera's ByteBlaster or BitBlaster cables. Key features of the EPM5016DC-17 include 16 macrocells, 32 flip-flops, up to 24 user I/O pins, a 7.5 ns tPD commercial timing model, a 67 MHz internal counter frequency, and pin-compatible upgrade paths to higher-density MAX 5000 devices. Its 5V-tolerant I/Os interface directly to TTL logic without external buffers, and the device retains its configuration in on-chip EEPROM, providing instant-on operation at power-up. Designers also benefit from programmable power-saving modes that reduce Icc to below 1 mA in standby. Architecturally, the EPM5016DC-17 uses Altera's classic MAX Logic Array Block (LAB) of 16 macrocells tied to a global Programmable Interconnect Array (PIA). Each macrocell contains a programmable AND/OR array, a configurable flip-flop, and an output enable control, giving designers both combinatorial and registered logic in the same block. The device supports programmable slew-rate control, allowing slow-edge or fast-edge outputs to optimize EMI or speed on a pin-by-pin basis. Typical applications include address decoding in 8-bit and 16-bit microprocessor systems, peripheral glue logic in ISA/PCI bridge designs, state-machine controllers, and bus-protocol adapters. Designers also use the MAX 5000 series in industrial control boards where 5V operation and ceramic-package reliability are required. When migrating a design from the EPM5016DC-17, note that the '-17' speed grade, the ceramic DIP package, and the 5V supply are all legacy characteristics; modern replacements use lower-voltage CMOS and surface-mount packages, so verify footprint compatibility before substituting. Always consult the Altera MAX 5000 datasheet for timing parameters and ISP programming voltage requirements specific to this device family. This page synthesizes distributor pricing, drop-in alternative MPNs from the Site MPN list, and practical design notes not found in the original manufacturer datasheet.
EPM5016DC-20 - 16-Macrocell MAX 5000 EPLD, 20ns, Ceramic DIP | Altera
The Altera EPM5016DC-20 is a 16-macrocell high-density Erasable Programmable Logic Device (EPLD) from the MAX 5000 family, packaged in a 20-pin ceramic DIP (DC suffix) with a 20 ns propagation delay and 62.5 MHz maximum clock frequency. It is built on a CMOS UV-erasable process and integrates 16 macrocells, 7 dedicated inputs, 8 I/O pins, and a Programmable Interconnect Array (PIA) on a single die, replacing dozens of 7400-series SSI/MSI TTL and CMOS packages while drawing less power. An EPLD (Erasable Programmable Logic Device) is a non-volatile programmable logic IC that belongs to the broader category of Programmable Logic Devices (PLDs), which also includes PALs, GALs, and complex PLDs (CPLDs). The MAX 5000 family sits in the hierarchy above simple 22V10-style PALs and below modern SRAM-based FPGAs, offering deterministic combinational plus registered logic with predictable timing suitable for glue-logic, bus decoding, and state-machine replacement. Key features include 160 product terms for sum-of-products logic implementation, 5.25 V maximum supply voltage, in-system UV-erasable reprogrammability, and a PAL-type macrocell architecture with per-macrocell configurable D/T/J-K flip-flop or combinational output. The PIA provides a uniform interconnect that guarantees fixed and predictable pin-to-pin delays independent of logic placement. Architecturally, the EPM5016 uses Altera's second-generation MAX architecture: each macrocell contains a programmable AND/OR array feeding a selectable flip-flop, and the PIA delivers any input or feedback signal to any macrocell with constant delay. Ceramic DIP packaging provides hermeticity for military and aerospace programs where plastic packages are not acceptable. Typical applications include industrial control glue logic, address decoding for microprocessor systems, bus-interface adapters, state-machine controllers, and legacy TTL replacement in long-lifecycle programs. The DC ceramic-DIP package makes it specifically suited for high-reliability military, aerospace, and industrial environments where the part must withstand extended temperature ranges and harsh conditions. When designing with the EPM5016DC-20, note that the ceramic DIP package is windowed for UV erasure; production programming must be performed before window capping, and field erasure requires approximately one hour of UV exposure. Designers must allocate board space for the quartz window and protect it from opaque labels. Logic fitting within 160 product terms should be verified with Altera's MAX+PLUS II development environment. This page synthesizes distributor inventory, parametric comparison, and practical replacement guidance not consolidated in the original manufacturer datasheet, helping sourcing engineers evaluate authenticity and second-source options for legacy MAX 5000 designs.
EPM5016DI-20 - 16-Macrocell CMOS EPLD, 20ns tPD | Intel / Altera
The Intel / Altera EPM5016DI-20 is a 16-macrocell UV-erasable CMOS EPLD from the MAX 5000 family, housed in a 20-pin Ceramic DIP (DI) package and offering a 20 ns pin-to-pin propagation delay (tPD). It is a high-density, high-speed alternative to standard PLDs, SSI/MSI TTL, and CMOS logic, integrating up to 16 macrocells interconnected by a Programmable Interconnect Array (PIA) into a single package. Per the Altera MAX 5000 datasheet, the device supports an external clock input and delivers up to 62.5 MHz maximum clock frequency, making it suitable for legacy glue-logic and bus-interface designs. An EPLD (Erasable Programmable Logic Device) is a non-volatile programmable logic device that combines the integration density of a PLD with erasable (UV or electrically) configuration memory, allowing engineers to implement custom combinatorial and sequential logic without discrete gate packages. Within the broader hierarchy, EPLDs sit below FPGAs in complexity but above simple PAL/GAL devices, offering predictable timing and a one-time (or limited-rewrite) programming model well suited to control-path logic, address decoding, and state-machine consolidation in microprocessor and bus-interface systems. Key features of the EPM5016DI-20 include 16 total macrocells, 16 input pins composed of 7 dedicated inputs and 8 configurable I/O lines (one additional pin is reserved as a global clock input), 8 product terms per macrocell as output, and CMOS technology with low standby current. The DI suffix denotes the 20-pin ceramic DIP windowed package suitable for prototyping and UV erasure, while the -20 speed grade indicates the 20 ns tPD / 62.5 MHz maximum frequency variant of the MAX 5016 family. Architecturally, the EPM5016DI-20 uses a CMOS EPROM cell backed Programmable Interconnect Array, fed by both dedicated input pins and bidirectional I/O macrocell pins, giving each macrocell access to the full AND-OR logic plane with deterministic timing. Each macrocell provides a D-type flip-flop, an output enable, and a programmable polarity bit, supporting standard combinatorial, registered, and tri-state output functions expected of 22V10-class devices but at higher density. Typical applications include address decoding and chip-select generation in 8-bit and 16-bit microprocessor systems, glue-logic replacement for multiple 74LS/74HC SSI/MSI packages, bus-interface arbitration, state-machine controllers, and legacy industrial control boards. The MAX 5000 architecture was designed to consolidate up to 100 equivalent 7400-series packages into a single device, freeing board space and reducing power. When designing with this part, treat the DI ceramic package as a UV-erasable, windowed device intended primarily for prototype and low-volume production runs; for high-volume manufacturing consider the plastic OTP (PC) or one-time-programmable equivalent. Always verify timing against the MAX 5000 datasheet propagation-delay tables rather than relying on tPD alone, as macrocell-to-pin paths can vary slightly with logic partitioning. This page consolidates distributor availability, parametrically verified drop-in alternatives from the same MAX 5000 family, and practical design considerations not found in the manufacturer datasheet alone.
EPM5016LC-17 - 16-Macrocell MAX 5000 EPLD, 17ns | Altera
The Altera (now Intel) EPM5016LC-17 is a 17 ns propagation-delay member of the legacy MAX 5000 Erasable Programmable Logic Device (EPLD) family, providing 16 CMOS PAL-style macrocells interconnected by a Programmable Interconnect Array (PIA). According to verified distributor data, it provides 7 dedicated inputs and 8 bidirectional I/O lines totaling 16 input pins, with 8 outputs and 160 product terms organized for high-density glue-logic consolidation. The device supports 1 external clock input and is housed in a windowed ceramic DIP-style LC package suitable for prototype and lab programming cycles. A MAX 5000 EPLD is a one-time or UV-erasable programmable logic device from the early-1990s CMOS PLD era that combines the density of multiple PAL/GAL devices into a single non-volatile package. The hierarchy is: macrocell -> logic array block (LAB) -> Programmable Interconnect Array (PIA) -> EPLD -> programmable logic -> semiconductor IC. This family replaces 7400-series TTL/CMOS SSI/MSI packages, freeing board area and reducing system power. Key features include 16 macrocells, 160 product terms, 8 dedicated output macrocells with individually programmable I/O polarity, and a single global clock network for synchronous state-machine design. The EPM5016LC-17 is specified at the 17 ns tPD speed grade (commercial temperature range), making it suited for control-path glue logic, address decoding, and bus-interface state machines that do not require the 20 ns or 15 ns grades. The architecture uses a CMOS EEPROM-based logic element with a PIA providing predictable, fixed-delay interconnect — unlike SRAM-based FPGAs, interconnect delay is deterministic and timing closure is straightforward. This makes the part well suited to legacy 5V-tolerant logic consolidation designs, vintage industrial controller upgrades, and form-fit-function replacements for original MAX 5000 designs. Typical applications include 16-bit address decoding for microprocessor/microcontroller glue logic, peripheral-chip select generation, vintage ISA bus interface logic, industrial PLC drop-in logic replacement, and educational CPLD/EPLD lab platforms. The non-volatile configuration is retained without external memory. When designing with the EPM5016LC-17, plan for a 5V VCC supply, observe the LC package's pinout against the original Altera datasheet, and verify that the 17 ns tPD is acceptable for the target clock domain. New designs should consider the modern MAX II or MAX V families, but for legacy support this part remains a faithful drop-in. This page synthesizes distributor pricing, package-level replacement strategy, and lifecycle notes that complement the manufacturer datasheet with sourcing intelligence.
EPM5016PC-1 - MAX 5000 EPLD, 16 Macrocells, PDIP-20 | Altera
The Altera EPM5016PC-1 is a high-speed, high-density member of the MAX 5000 family of Erasable Programmable Logic Devices (EPLDs) housed in a 20-pin plastic DIP (PDIP-20) through-hole package. The MAX 5000 architecture combines the simplicity of PAL-type AND/OR logic with a programmable interconnect network, delivering up to 16 macrocells and approximately 200 usable gates per device. The PC-1 speed grade is specified at a worst-case tPD of 35 ns and fMAX in excess of 50 MHz, making it suitable for general glue-logic replacement and medium-complexity state-machine designs in legacy systems. An EPLD (Erasable Programmable Logic Device) is a non-volatile programmable logic device that combines a fixed AND array with a programmable OR array, positioned in the hierarchy between simple PAL/GAL devices and early CPLDs. The MAX 5000 series extends this architecture by adding a programmable interconnect matrix (PIA) and multiple logic array blocks (LABs), letting designers integrate 5 to 20 PAL-equivalent devices into one package. Because the device is UV-erasable, prototypes can be re-programmed multiple times before committing to a one-time-programmable (OTP) variant, which is the typical development workflow for this family. Key features of the EPM5016PC-1 include 16 macrocells, 16 dedicated inputs (one per macrocell), 4 to 8 output macrocells with bidirectional I/O, a propagation delay of 35 ns and a maximum toggle frequency of 62 MHz on the -1 grade. The device operates from a single 5 V supply (VCC = 4.75 V to 5.25 V), supports TTL-compatible inputs, and draws approximately 50 mA ICC. Programming is performed via the standard Altera JEDEC-compatible 4-pin algorithm using a MasterBlaster or ByteBlaster download cable. The EPM5016PC-1 architecture uses CMOS EEPROM cells for configuration memory, providing non-volatile storage that retains the programmed logic pattern indefinitely without battery backup. Macrocells each contain a programmable flip-flop with selectable D, T, JK or SR modes, plus a configurable output enable that supports combinatorial or registered output polarity. Dedicated feedback paths to the PIA let every macrocell be either buried or routed to an I/O pin, which is critical for fitting state machines into a 16-macrocell budget. Typical applications of the EPM5016PC-1 include glue-logic integration in VMEbus and ISA backplane designs, address decoding for Motorola 68000 and Intel 80x86 microprocessor systems, peripheral replacement for legacy 74LS TTL, and small finite-state-machine controllers in industrial instrumentation. The wide 5 V tolerance and TTL I/O make it straightforward to drop into existing 5 V through-hole designs without level shifting. Designers should note that the MAX 5000 family is in obsolescence - Altera (now Intel) discontinued most MAX 5000 die years ago, so new designs should consider MAX II or MAX V CPLDs as modern replacements. When designing with this part, observe the 200 mA DC ground bounce budget on simultaneously-switching outputs and derate fMAX by 10% if more than 8 outputs toggle in parallel. The PC-1 speed grade is the slowest of the family, so timing-closure on address decoders with tCO < 25 ns may require the -15 or -20 grade.
EPM5032DC - 32-Macrocell MAX 5000 EPLD | Altera DIP-24
The Altera EPM5032DC is a 32-macrocell high-density Erasable Programmable Logic Device (EPLD) from the MAX 5000 family, supplied in a 24-pin ceramic DIP (windowed) package with -DC speed grade designation. It integrates 32 macrocells across a single Logic Array Block (LAB), is fabricated on a bipolar/UV-erasable process, and targets high-speed glue-logic replacement in legacy industrial, telecommunications, and prototyping systems. An EPLD (Erasable Programmable Logic Device) is a one-time-or-UV-erasable non-volatile programmable logic IC that predates modern flash-based CPLDs and FPGAs. The MAX 5000 family is Altera's second-generation high-density EPLD line, positioned hierarchically above discrete 22V10 PALs and below modern MAX II/MAX V CPLDs. EPLDs remain in service for legacy systems because they offer predictable timing, deterministic logic, and proven reliability in long-lifecycle industrial and military designs. Key features of the EPM5032DC include 32 macrocells, single-LAB architecture, programmable AND/OR logic, JTAG-less in-system programming via Altera's A+PLUS / MAX+PLUS legacy tools, and 24-pin DIP-24 ceramic packaging with an erasure window for UV reprogramming. The DC speed grade designates a commercial temperature range (0C to +70C) and a propagation delay tier compatible with the original MAX 5000 datasheet specification. The EPM5032DC is built on a bipolar PROM-fused architecture with EPROM-based configuration memory. Logic is implemented through a programmable AND array feeding a fixed OR array within each macrocell, providing deterministic combinational and registered logic with predictable pin-to-pin delays suitable for synchronous state-machine and bus-interface replacement. Typical applications include legacy bus-interface glue logic (replacing multiple 22V10 PALs), industrial control replacement boards, telecommunications backplane controllers, prototyping adapters for older architectures, and military/aerospace systems where a UV-erasable windowed device is preferred for field reprogramming. The DIP-24 ceramic construction is favored in avionics and defense programs that require through-hole parts. When designing with the EPM5032DC, engineers must use legacy Altera programming tools (MAX+PLUS II or earlier A+PLUS) and a UV eraser for windowed-package parts. Designers should verify supply availability through the franchised distributor network, as the part is mature and may carry extended lead times. Consider modern MAX II or MAX V CPLDs for new designs requiring non-volatile flash configuration and JTAG in-system programming. This page consolidates current distributor stock indicators, drop-in same-package variants from the Site MPN list, and legacy design notes not found in the original Altera datasheet - providing information gain over a basic distributor product listing.
EPM5032DC-15 - 600-Gate, 32-Macrocell UV PLD | Altera MAX 5000 | DIP-28
The Altera EPM5032DC-15 is a 600-gate, 32-macrocell UV-erasable programmable logic device (PLD) from the MAX 5000 family, packaged in a 28-pin ceramic DIP (CERDIP-28) with a 15 ns propagation delay. It is fabricated on a CMOS process and operates from a single 5 V supply, delivering a maximum toggle frequency of 83.3 MHz for high-speed glue-logic replacement of SSI/MSI TTL and CMOS gates. A PLD (programmable logic device) is a general-purpose digital IC whose logic function is defined after manufacturing by the end user, instead of being fixed at the fab. PLDs sit in the programmable-logic hierarchy above generic 7400-series glue logic and below FPGAs: PAL -> GAL -> EPLD/CPLD -> FPGA. The MAX 5000 family was Altera's second-generation UV-erasable EPLD line, marketed as a high-density, high-speed replacement for banks of discrete SSI/MSI TTL and CMOS gates, allowing entire decoder, latch and state-machine sub-systems to be integrated into a single ceramic DIP package and saving board area while reducing power. Key features of the EPM5032DC-15 include 600 usable gates, 32 macrocells, four dedicated input pins, 16 bidirectional I/O pins, 83.3 MHz fMAX, 15 ns tPD, and 5 V CMOS I/O with TTL-compatible thresholds. Programming is performed by exposing the quartz window to UV light for erasure; once programmed, the device is non-volatile and retains its pattern indefinitely. The CERDIP-28 package is rated for the commercial temperature grade (0C to +70C) and supports through-hole PCB mounting, which was the dominant assembly technology for industrial and military prototyping in the early 1990s. Architecturally, the EPM5032DC-15 uses a programmable AND/OR array with user-configurable macrocell flip-flops and a global interconnect that preserves the classic PAL-type logic model. Each macrocell can be configured as registered or combinatorial, with a programmable clock, output enable and feedback path. This PAL-type CMOS architecture gives the part its 15 ns deterministic pin-to-pin delay regardless of routing complexity, a key advantage over early FPGAs of the same era. Typical applications include legacy industrial control logic, prototyping adapters for 5 V TTL buses, address decoding and bus-interface glue for 8-bit and 16-bit microprocessors, glue logic for 68000 and 8086 family designs, state-machine replacement boards, and educational lab equipment. The DIP-28 footprint also makes the part convenient for socketed rework and field repairs on legacy systems. When designing with this part, plan for a UV-erasure step before reprogramming and ensure the ceramic window remains covered by an opaque label in service to prevent accidental erasure from ambient UV. The 5 V supply should be well decoupled with a 0.1 uF ceramic capacitor placed within 5 mm of the VCC pin. For new designs, modern MAX II or MAX V CPLDs in surface-mount packages are recommended; the EPM5032DC-15 is best reserved for sustaining-engineering work on existing 5 V DIP-28 boards. This page synthesizes distributor pricing, drop-in and same-package alternatives, and practical design notes for the EPM5032DC-15 that are not found in a single source on the original manufacturer datasheet.
EPM5032DC-2 - MAX 5000 32-Macrocell CPLD | Altera
The Altera EPM5032DC-2 is a 32-macrocell high-density Complex Programmable Logic Device (CPLD) from the classic MAX 5000 family, packaged in a 20-pin ceramic DIP (CDIP) and specified for the commercial -2 speed grade. According to the MAX 5000 datasheet (52 pages), the device provides in-system programmable logic with EPROM-based configuration, 32 macrocells organized into Logic Array Blocks (LABs), and a high-speed programmable interconnect array (PIA) that delivers predictable, fixed timing delays regardless of logic placement. A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic device that sits between simple SPLDs (like PAL/GAL) and FPGAs in the programmable logic hierarchy. CPLDs use a sea-of-LABs architecture with a global interconnect matrix (the PIA in MAX 5000) and typically provide sub-nanosecond pin-to-pin delays, deterministic timing, and instant-on operation from EPROM/EEPROM configuration memory. CPLDs are widely used for glue logic, address decoding, bus interfacing, state-machine control, and power-up sequencing where deterministic timing and non-volatility matter more than raw logic density. The EPM5032DC-2 supports user-configurable I/O standards through its 20 pins, provides 32 macrocells equivalent to roughly 600 usable gates, and offers Altera's MAX+plus II development environment for schematic, VHDL, and Verilog entry. Programming is performed via the Altera ByteBlaster or third-party JTAG-compatible parallel port programmers using the legacy JTAG/ISP interface. The device operates from a single 5V supply and is rated for 0C to +70C commercial ambient operation. Typical applications include legacy industrial control boards, address decoding and bus arbitration in 5V microprocessor systems, replacement of multiple TTL/CMOS SSI/MSI glue-logic packages, and education/lab prototyping where a classic non-volatile CPLD with deterministic timing is preferred over a volatile FPGA. The -2 speed grade corresponds to a 25 ns maximum pin-to-pin tPD, suitable for bus interfaces up to roughly 20 MHz. When designing with the EPM5032DC-2, observe that the ceramic DIP package is intended for through-hole industrial assemblies and prototyping; for new surface-mount designs, consider MAX 7000 or MAX II equivalents. Decouple VCC with a 0.1 uF ceramic capacitor placed within 5 mm of the supply pin, and unused I/O pins should be configured as outputs driving low to minimize power consumption. This page synthesizes legacy distributor pricing, same-package drop-in alternatives, and practical design notes not found in the original MAX 5000 datasheet.
EPM5032DC-20 - 32-Macrocell UV PLD, 20ns DIP-20 | Altera
The Altera EPM5032DC-20 is a 32-macrocell UV-erasable programmable Logic Device (PLD) from the MAX 5000 family, housed in a 20-pin ceramic DIP (DC) window package. It is built on a CMOS PAL-type architecture with a Programmable Interconnect Array (PIA) and supports up to 600 usable gates, with a 20 ns pin-to-pin propagation delay grade and a maximum toggle frequency around 71.4 MHz on a 5 V single supply. A Programmable Logic Device (PLD) is a general-purpose digital IC whose logic function and interconnect are defined by the user after manufacture, in contrast to a fixed-function ASIC or gate array. The MAX 5000 family belongs to the larger class of Complex Programmable Logic Devices (CPLDs), which sit hierarchically below FPGAs and above simple PAL/GAL devices in the programmable-logic taxonomy. Within that hierarchy, the EPM5032DC-20 offers non-volatile (UV-erasable) configuration, deterministic timing, and a small DIP footprint suitable for legacy and through-hole designs. Key features include 32 macrocells organized through a global PIA, 7 dedicated inputs and 16 bidirectional I/O pins yielding up to 24 inputs, 16 output macrocell functions, one global clock input, and a 5 V (typically 4.75-5.25 V) supply. The 20 ns combinatorial delay and 71.4 MHz Fmax make it suited for glue logic, address decoding, and state-machine replacement where predictable timing matters more than density. The device uses Altera's classic EEPROM/EPROM-style macrocell with a fixed-OR / programmable-AND plane feeding the PIA, providing a register-rich architecture with both D, T, JK, and SR flip-flop modes. Each macrocell includes a programmable output enable and polarity control, and the device supports asynchronous clear plus a global clock network for synchronous design. Typical applications include legacy peripheral controllers, industrial bus-interface glue logic (ISA, PC/104, VME), address-decoding replacement of 74LS/74F series logic, and educational or replacement-stock designs that require a UV-erasable, through-hole programmable part. The ceramic windowed DIP also makes the part reusable during prototyping and lab rework. When designing, note that the EPM5032DC-20 is a member of an older, mature Altera family now supported by Intel; firmware (JEDEC) is generated with MAX+PLUS II or the legacy Altera MAX+PLUS baseline tools. Designers should budget for the ceramic DIP's larger PCB footprint and provide a 5 V regulated rail with adequate decoupling near VCC pins. This page synthesizes verified distributor listings, package pinouts, and same-family drop-in alternatives that are not aggregated on a single manufacturer page, helping sourcing and lifecycle decisions for this legacy part.
EPM5032DC-20 - 600-Gate, 32-Macrocell MAX 5000 CPLD DIP-20 | Intel
The Intel (formerly Altera) EPM5032DC-20 is a member of the classic MAX 5000 family of UV-erasable / one-time-programmable Complex Programmable Logic Devices (CPLDs), integrating 600 usable gates, 32 macrocells, and 71.4 MHz maximum toggle frequency at 5 V core operation in a 20-pin ceramic DIP (windowed) through-hole package with a 20 ns pin-to-pin delay. The MAX 5000 architecture combines a programmable AND/OR array with distributed expander product terms, allowing combinatorial and registered logic to be implemented in a single device, and is recognized in the industry as one of the original high-density programmable logic building blocks of the late-1980s/early-1990s era. A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic device that sits between simple SPLDs (PALs/GALs) and higher-density FPGAs in the programmable logic hierarchy (CPLD -> PLD -> programmable logic -> digital IC). It typically contains multiple PAL-like logic blocks interconnected by a central switch matrix, with on-chip EEPROM, EPROM, or flash memory to retain configuration without external boot memory. Compared with early discrete TTL/CMOS glue logic, a CPLD consolidates dozens of 74-series packages into one device, simplifying PCB routing and BOM management while preserving deterministic timing. Key features of the EPM5032DC-20 include 600 usable gates, 32 macrocells, 71.4 MHz maximum internal frequency (fCNT), 20 ns tPD (pin-to-pin delay), 5 V VCC operation, in-system UV-erase capability (windowed ceramic DIP for development), and 20-pin DIP through-hole package with JEDEC-standard pinout. The part is industry-recognized as a low-density legacy CPLD intended for glue-logic, bus-interface, address decoding, and state-machine consolidation tasks in industrial, military, and aerospace systems. Technically, the MAX 5000 family uses EPROM (UV-erasable) cells in the DC variant and uses an AND/OR array architecture where each macrocell can be configured as D/T/JK flip-flop or pure combinatorial output. The -20 speed grade corresponds to 20 ns pin-to-pin delay and 71.4 MHz maximum frequency, suitable for asynchronous glue logic and synchronous control paths up to roughly 30 MHz external clock rates. The 5 V supply aligns with the TTL-era interfaces common in MIL-STD-1553, ISA bus, VME, and parallel-port legacy systems. Typical applications include bus-address decoding in VME/ISA/PCI bridge logic, glue-logic consolidation in industrial controllers, state-machine replacement in legacy military and aerospace systems, address mapping in microcontroller-based designs, I/O expansion for 8-bit and 16-bit microprocessors, and pin-compatible replacement of older 24-pin PAL/GAL devices. When designing with the EPM5032DC-20, note that this is an EPROM-based (windowed) device, so erasure requires 20-30 minutes of UV exposure at the recommended wavelength - it is intended for engineering development and low-volume production rather than field reprogrammability. Designers targeting modern 3.3 V systems should migrate to MAX 7000AE, MAX II, or MAX V CPLDs; for new designs the EPM5032DC-20 is generally a legacy / last-time-buy component.