FPGA & CPLD
Produtos (6666)
EPM3256ATI144-10N - MAX 3000A CPLD, 256 Macro, 144-TQFP | Altera
The Altera (Intel) EPM3256ATI144-10N is a high-performance, low-cost CMOS EEPROM-based Complex Programmable Logic Device (CPLD) from the MAX 3000A family, featuring 256 macrocells, 5,000 usable gates, and 116 user I/Os in a 144-pin TQFP industrial-grade package. Built on the classic MAX architecture with 10 ns pin-to-pin propagation delay, the device operates from a 3.3 V core supply with multi-voltage I/O support for 1.8 V, 2.5 V, and 3.3 V interfaces, making it drop-in compatible with mixed-voltage logic families. A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic device that combines multiple PAL/GAL-like macrocell arrays with a central interconnect matrix, occupying the architectural niche between small SPLDs and high-density FPGAs. CPLDs are characterized by deterministic timing, instant-on EEPROM configuration, and superior glue-logic integration for bus decoding, state-machine encoding, and peripheral interfacing. Within the broader programmable logic taxonomy, the EPM3256 sits at: programmable logic device -> CPLD -> MAX 3000A family -> low-density, EEPROM-based, 3.3 V segment. Key features include 3.3 V in-system programmability (ISP) compliant with IEEE Std. 1532, IEEE Std. 1149.1 JTAG boundary-scan test with advanced pin-locking, and 100% TTL emulation. The JTAG-based ISP allows field upgrades without removing the device from the board, while the boundary-scan chain supports structural test in compliance with IEEE 1149.1. The 144-pin TQFP package has a 22 mm x 22 mm body with a 0.5 mm lead pitch for standard SMT assembly lines. The MAX 3000A architecture supports efficient integration of SSI, MSI, and LSI logic functions, replacing multiple PALs, GALs, and 22V10-style devices with a single chip. Each macrocell contains a programmable AND/OR array with a configurable flip-flop, supporting combinatorial or registered logic with product-term sharing. The non-volatile EEPROM configuration cell means zero configuration time at power-up, a critical advantage over SRAM-based FPGAs in deterministic boot applications. Typical applications include bus-interface bridging (e.g., 8-bit MCU to 32-bit peripheral decode), peripheral chip-select generation, state-machine controllers for industrial automation, I/O expansion for legacy MCUs, address decoding in telecom backplane designs, and glue-logic replacement in PC/104, VME, and CompactPCI systems. The 116 available user I/Os (of 144 pins) provide ample headroom for wide bus interfaces and parallel control channels. A key design consideration when using the EPM3256ATI144-10N is that the "I" suffix denotes the industrial operating-temperature grade (-40 C to +85 C junction, with commercial-spec parts typically 0 C to +70 C per the available distributor listings), while the "N" suffix denotes lead-free / Pb-free termination. Designers migrating from earlier MAX 3000 (non-A) devices should re-validate timing paths because the MAX 3000A family added multi-voltage I/O and improved ISP timing. This page synthesizes verified distributor pricing, same-package drop-in alternatives, and practical design notes not consolidated in the Altera datasheet alone, helping engineers shortlist a replacement and design-in the part with confidence.
EPM3256ATI144-7N - 256-Macrocell MAX 3000A CPLD, 7.5ns, TQFP-144 | Altera
The Altera (Intel) EPM3256ATI144-7N is a 256-macrocell member of the MAX 3000A family of complex programmable logic devices (CPLDs), housed in a 144-pin TQFP package. It provides 5,000 usable gates, a maximum internal clock frequency of 126.6 MHz, and a typical pin-to-pin propagation delay of 7.5 ns at the -7 speed grade. The device is built on a 3.3 V core with MultiVolt I/O that supports 5.0 V, 3.3 V, and 2.5 V logic levels, allowing direct interfacing with mixed-voltage buses without external level shifters. A CPLD (Complex Programmable Logic Device) is a non-volatile, flash- or EPROM-based programmable logic device that combines multiple PLA-like macrocell blocks on a single chip, sitting between small discrete logic (gates, 74-series ICs) and large FPGAs. MAX 3000A devices are architecturally positioned as glue-logic and bus-interface replacements: in-system programmable through IEEE Std. 1532, hot-socketing capable, and typically used to consolidate address decoding, interrupt steering, state-machine control, and peripheral bridging on 3.3 V/5 V boards. The taxonomy is: macrocell -> logic block -> CPLD -> programmable logic -> semiconductor IC. Key features of the EPM3256ATI144-7N include 256 macrocells organized into 16 Logic Array Blocks, 116 user I/O pins on the TQFP-144 footprint, in-system programmability via JTAG (IEEE 1532), and support for hot-socketing. The MultiVolt I/O interface lets the core run at 3.3 V while output banks independently drive 5.0 V, 3.3 V, or 2.5 V loads. The device also provides programmable interconnect, Open-Drain output option, and a JTAG boundary-scan test interface compliant with IEEE 1149.1. The MAX 3000A architecture uses a classic EEPROM-based programming cell with a fast logic-array block (LAB) interconnect, deterministic 7.5 ns tPD timing, and predictable routing delays - properties that make timing closure easier than with SRAM-based FPGAs but limit density and speed. The non-volatile configuration means the device behaves like a hard-wired ASIC at power-up with zero configuration time. Typical applications include bus-address decoding and chip-select generation for microprocessors, peripheral glue logic for embedded CPU boards, 5 V-to-3.3 V level translation via MultiVolt I/O, FPGA configuration logic, and replacement of multiple 74-series discrete logic packages. The wide I/O count (116 pins) suits boards with many peripherals or memory-mapped devices. When designing with this part, observe the I/O bank VCCIO constraint - mixing 5 V and 3.3 V loads requires the output bank to be powered by a supply that meets or exceeds the highest interface voltage. Decouple every VCCINT and VCCIO pin with 0.1 microfarat ceramic capacitors placed close to the package. This page synthesizes distributor pricing, drop-in same-package alternatives (all on TQFP-144), and practical design notes not found in the manufacturer datasheet alone.
EPM3512AFC-7N - 512-Macrocell MAX 3000A CPLD, 7.5ns, BGA-256 | Intel (Altera)
The Intel (formerly Altera) EPM3512AFC-7N is a 512-macrocell CMOS EEPROM-based Complex Programmable Logic Device (CPLD) from the MAX 3000A family, housed in a 256-ball FineLine BGA package with a -7 (7.5 ns) speed grade and commercial 0 to 70 C operating range. The MAX 3000A architecture combines high-performance, low-cost non-volatile programmability with in-system programmability (ISP) compliant to IEEE Std. 1532, enabling concurrent ISP across multiple PLD vendors. The device offers 208 user I/Os and 3.3-V core logic with MultiVolt I/O supporting mixed-voltage interfacing on a single chip. A Complex Programmable Logic Device (CPLD) is a non-volatile programmable logic device that combines multiple programmable logic array blocks (LABs) interconnected by a programmable interconnect array (PIA). CPLDs are deterministic, pin-locked, and boot instantly at power-up, making them well-suited for glue logic, bus interfacing, and control-plane functions. Within the broader taxonomy, the CPLD sits between discrete logic (74-series gates) and FPGAs: more capable than discrete logic but less complex than FPGAs, with deterministic timing and instant-on behavior that FPGAs typically cannot match. Key features include 512 macrocells distributed across 16 Logic Array Blocks, 16 dedicated inputs, 208 user I/Os, and 7.5 ns pin-to-pin propagation delay (tPD) for the -7 speed grade. The device supports 3.3-V ISP through the JTAG (IEEE 1149.1) interface and offers programmable power-saving modes per macrocell. MultiVolt I/O pins interface with 1.8-V, 2.5-V, 3.3-V, and 5.0-V systems without external level shifters, simplifying board-level integration in mixed-voltage designs. The MAX architecture uses a classic AND-OR sum-of-products structure with EEPROM configuration memory, providing instant-on operation and unlimited reprogram cycles in-system. The PIA routes signals between LABs with predictable, fixed delay, which simplifies static timing closure and makes the part a strong fit for synchronous control logic, address decoding, and bus arbitration where deterministic latency is more important than raw LUT density. Typical applications include bus interface bridging (PCI to local bus), address decoding in embedded systems, state-machine controllers, glue logic between microprocessors and peripherals, and 5-V-tolerant I/O expansion in mixed-voltage boards. The instant-on behavior also makes it useful in power-sequencing controllers, reset distribution, and industrial control logic that must wake deterministically. When designing with this device, plan I/O bank voltages against the VCCIO pins (banks of 8 or 16 I/Os share a VCCIO rail), reserve four JTAG pins (TCK, TMS, TDI, TDE) for ISP, and ensure the BGA-256 PCB layout has adequate microvia and via-in-pad capability. Note that the -7 speed grade is the slowest in the family; -10 and -15 variants are faster and may be required for tighter timing budgets. This page synthesizes distributor inventory, same-family drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet, accelerating sourcing and design-in for engineers evaluating MAX 3000A CPLDs for new designs or legacy refresh.
EPM3512AFC256-10 - MAX 3000A CPLD, 512 Macrocells | Intel / Altera
The Intel / Altera EPM3512AFC256-10 is a high-density, low-cost CMOS EEPROM-based Complex Programmable Logic Device (CPLD) from the MAX 3000A family, featuring 512 macrocells, 208 I/O pins, and 2 Logic Array Blocks in a 256-pin FBGA (Fine-pitch Ball Grid Array) package. It supports pin-to-pin propagation delays as fast as 10 ns and internal counter frequencies up to 87 MHz, with 3.3-V in-system programmability (ISP) via a built-in IEEE Std. 1149.1 JTAG interface. What is a CPLD? A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic device that sits between simple SPLDs/glue-logic PALs and full FPGAs. The hierarchy runs: programmable logic -> SPLD -> CPLD -> FPGA -> programmable logic device family. CPLDs use a sum-of-products architecture with on-chip EEPROM or flash, providing instant-on behavior, deterministic timing, and robust pin-to-pin delays — ideal for bus bridging, address decoding, I/O expansion, and control logic where FPGAs are overkill. The MAX architecture specifically combines high-density logic with predictable interconnect delays. Key features include 10,000 usable gates, 32 macrocells per LAB, 3.3-V core and I/O supply with 5-V tolerant I/O, support for IEEE Std. 1532 concurrent ISP across vendors, and JTAG boundary-scan testing. The 256-ball FCBGA package enables dense board layouts for high I/O count applications. Pin-to-pin delays of 10 ns make the device suitable for synchronous interface glue logic at moderate clock rates. The MAX 3000A architecture employs a continuous interconnect scheme routing signals through the entire chip via fast logic paths between LABs. Built on advanced CMOS EEPROM technology, the device is non-volatile — programmed configuration is retained through power cycles without external boot memory, distinguishing it from SRAM-based FPGAs that require external configuration storage. Typical applications include bus interface bridging, peripheral control logic in industrial and embedded systems, address decoding and interrupt management in microcontroller designs, state machine implementation in motor control, and I/O expansion for ASICs and processors. The combination of non-volatile storage, JTAG ISP, and high I/O count makes the device attractive for production volume glue-logic consolidation. When designing with this device, ensure your JTAG chain ordering is correct if multiple devices are in series, since IEEE Std. 1149.1 boundary-scan requires TDI/TDO daisy-chain discipline. Verify I/O bank voltage compatibility with mixed 3.3-V and 5-V peripherals, and confirm that 87 MHz counter speeds meet timing margin for your target application. This page synthesizes distributor pricing, drop-in MAX 3000A alternatives, and practical CPLD design notes not found in the manufacturer datasheet alone.
EPM3512AFC256-10N - MAX 3000A CPLD, 512 Macros, 256 FBGA | Altera
The Intel / Altera EPM3512AFC256-10N is a high-performance, low-cost CMOS EEPROM-based Complex Programmable Logic Device (CPLD) from the MAX 3000A family, featuring 512 macrocells, 10K usable gates, and 208 user I/O pins in a 256-ball FineLine BGA (FBGA) package. It operates from a 3.3 V core supply (VCCINT) and supports 3.3 V or 2.5 V I/O banks via VCCIO, delivering a maximum internal operating frequency of up to 116 MHz with a pin-to-pin logic delay of 10 ns. A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic device that sits between simple SPLDs/PLDs and large FPGAs in the programmable logic hierarchy: SPLD -> CPLD -> FPGA. The MAX architecture integrates multiple Logic Array Blocks (LABs) interconnected by a programmable interconnect array (PIA) and provides predictable, deterministic timing suitable for glue logic, bus decoding, and state-machine replacement. Key features of the EPM3512AFC256-10N include in-system programmability (ISP) through the built-in IEEE Std. 1149.1 JTAG interface and IEEE Std. 1532 concurrent ISP support, 10 ns tPD (pin-to-pin delay), up to 4.5 ns tSU (setup time), and 32 product-terms per macrocell. The device supports multiVolt I/O for interfacing with 2.5 V, 3.3 V, and 5 V systems (with external pull-ups), and provides open-drain output options. It is built on 5.0 V-tolerant I/O cells powered by 3.3 V VCCINT. Architecturally, the EPM3512AFC256-10A-equivalent die uses Altera's classic MAX EEPROM-based logic fabric with a global PIA, four dedicated input clocks per device, and per-macrocell flip-flops with configurable clear/preset and clock-enable. The 256-pin FBGA offers high board-density routing for designs with extensive user I/O. Programming is supported through the ByteBlasterMV, MasterBlaster, or USB-Blaster download cables using Altera Quartus II design software. Typical applications include bus-interface bridging, address decoding and chip-select generation, peripheral glue logic in embedded systems, and pin-compatible upgrades to MAX 7000S/AE devices in 5 V legacy boards. The 256-ball FBGA footprint is ideal for space-constrained designs where high I/O count is required. When designing with this part, ensure VCCINT is a clean 3.3 V (typical Icc 35-180 mA standby to operating) and that JTAG chain integrity is verified for ISP. Plan for 100% factory-test vector coverage since the part is one-time-programmable (OTP) in production configurations and not field-upgradable without a JTAG chain. This page synthesizes distributor pricing, drop-in compatible MAX 3000A/MAX 7000 alternatives, FBGA package handling notes, and JTAG ISP guidance not consolidated in the original Altera datasheet.
EPM3512AFC256-18 - MAX 3000A CPLD, 512 Macrocells, BGA-256 | Altera
The Altera EPM3512AFC256-18 is a member of the MAX 3000A programmable logic device family, providing 512 macrocells in a 256-ball FineLine BGA (FC) package with an 18 ns pin-to-pin logic delay. It is fabricated on a 5V-tolerant CMOS EEPROM process and is in-system programmable (ISP) through a JTAG/IEEE Std. 1532 interface, allowing concurrent programming from multiple PLD vendors. The device operates from a 3.3 V core supply with separate VCCIO banks that can be set to 2.5 V or 3.3 V for mixed-voltage I/O interoperability. A Complex Programmable Logic Device (CPLD) is a non-volatile, instantly-on logic device that combines multiple PAL-like macrocell blocks with a central interconnect matrix, bridging the gap between discrete 74-series glue logic and high-density FPGAs. Within the broader programmable logic taxonomy, the MAX 3000A family sits below FPGAs in density but offers deterministic timing, zero-configuration latency, and high I/O drive strength that make it ideal for bus decoding, address decoding, state-machine control, and power-up sequencer applications. It belongs to the larger class of programmable logic devices (PLDs) within the semiconductor hierarchy. Key features of the EPM3512AFC256-18 include 512 macrocells distributed across 16 Logic Array Blocks (LABs), a maximum of 212 user I/O pins, and the Fast-Function (FF) input register path that delivers the 18 ns tPD1 timing specification. Each macrocell provides a programmable register with D, T, JK, or SR flip-flop modes, a programmable product-term array of 32 to 64 terms per macrocell, and selectable global or local clocking. The device includes an IEEE Std. 1149.1 JTAG boundary-scan interface and the MultiVolt I/O feature, allowing each I/O bank to interface independently with 2.5 V, 3.3 V, or 5.0 V devices. Architecturally, the MAX 3000A family uses a hierarchical interconnect called the Programmable Interconnect Array (PIA), which routes signals between any LAB and any I/O pin without contention. The non-volatile EEPROM configuration cell enables true zero-power standby and instant-on behavior at power-up, eliminating the need for external boot memory. The 256-ball BGA package provides a 1.0 mm pitch, enabling compact board layouts for high-density designs. Typical applications for the EPM3512AFC256-18 include glue-logic consolidation in industrial controllers, register-based peripheral interfacing on legacy PCI/ISA platforms, address decoding for memory subsystems, and bus-width translation between 8-bit, 16-bit, and 32-bit processors. It is also deployed as a power-supply sequencer and reset-distribution controller in ATCA/uTCA and network switches where deterministic power-up behavior is required. When designing with this device, ensure that VCCINT (3.3 V) and VCCIO (2.5 V or 3.3 V) rails are decoupled with bulk and ceramic capacitors placed adjacent to each supply pin group. The BGA package requires careful PCB layout for fanout - typically a 4- or 6-layer stack-up with microvia or via-in-pad technology is recommended to escape the 1.0 mm pitch ball array reliably. Quartus II Web Edition or MAX+PLUS II software supports design entry and programming of this legacy MAX 3000A device. This page synthesizes distributor pricing, drop-in same-family alternatives (EPM3512AFC256-10, EPM3512AFC256-10N), and practical design notes drawn from the MAX 3000A Data Sheet that are not aggregated on any single distributor product page.
EPM3512AFC256-19 - MAX 3000A CPLD, 512 Macrocells, BGA-256 | Altera
The Altera EPM3512AFC256-19 is a high-density member of the MAX 3000A family of CMOS Complex Programmable Logic Devices (CPLDs), delivering 512 macrocells, 10000 usable gates, and ISP-compliant configuration in a 256-ball FineLine BGA package. The MAX 3000A family is built on a 0.30 µm EEPROM-based process, providing non-volatile in-system programmability via IEEE Std. 1532. With a -19 speed grade and 3.3 V core operation, this device targets glue-logic, bus-interface, and state-machine consolidation roles where deterministic propagation delay matters more than raw logic density. A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic device that combines multiple PAL-like macrocell arrays on a single chip with a global interconnect. The MAX 3000A architecture sits hierarchically between simple SPLDs and FPGAs: it offers instant-on behavior (no boot PROM required), predictable timing with pin-to-pin delays specified in the datasheet, and a logic density (10000 gates) below typical SRAM FPGAs but well above 22V10-style SPLDs. It belongs to the broader category of programmable logic devices within digital semiconductors. Key specifications include 512 macrocells, 10000 usable gates, 80 MHz maximum operating frequency, and 7.5 ns pin-to-pin combinatorial propagation delay at the -19 speed grade. The device exposes 208 user I/O pins across two I/O banks, supports 3.3 V or 2.5 V VCCIO operation for mixed-voltage interfacing, and provides in-system programmability through a standard JTAG interface (IEEE 1149.1) plus the ISP-compliant IEEE 1532 protocol for multi-vendor concurrent programming. Architecturally, the EPM3512AFC256-19 partitions its 512 macrocells across 16 Logic Array Blocks (LABs), each containing 32 macrocells with a shared programmable interconnect. Each macrocell integrates a programmable AND/OR array, a configurable flip-flop, and per-macrocell control signals (clear, clock, preset, OE). The device includes four dedicated input pins and global routing for clock, clear, and output-enable networks, ensuring predictable timing closure across all paths. Typical applications include bus-interface bridging (e.g., PCI-to-ISA glue logic), address decoding and chip-select generation in microcontroller systems, state-machine and sequencer consolidation, peripheral I/O expansion, and legacy-logic replacement on 3.3 V or 5.0 V mixed-voltage boards. The instant-on, non-volatile nature of the MAX 3000A also suits industrial control boards that must operate immediately at power-up without bootloader latency. Designers should note that the -19 speed grade provides the slowest propagation delay in the EPM3512AFC256 family; if timing margins are tight, the -10 or -7 speed grades offer faster pin-to-pin delays in the identical 256-ball BGA footprint, enabling speed upgrade without PCB rework. The MAX 3000A family is mature and supported by legacy Quartus II design software. This page synthesizes distributor inventory, drop-in alternatives, and design notes not found in the standalone datasheet, organized for engineer quick-reference and AI-search citation.
EPM3512AFC256-2 - MAX 3000A CPLD, 512 Macrocells, BGA-256 | Altera
The Altera EPM3512AFC256-2 is a member of the MAX 3000A family of Complex Programmable Logic Devices (CPLDs), delivering 512 macrocells, 12 logic array blocks, and a maximum of 212 user I/O pins in a 256-ball FineLine BGA package. The device supports in-system programmability via IEEE Std. 1149.1 (JTAG) and operates from a 3.3 V core supply with MultiVolt I/O that can be configured for 2.5 V or 3.3 V output drivers while accepting 2.5 V, 3.3 V, and 5.0 V inputs on every pin. A CPLD, or Complex Programmable Logic Device, is a non-volatile programmable logic device that combines multiple PLA-style macrocells with a centralized interconnect fabric. The MAX 3000A family sits in the broader taxonomy of programmable logic: CPLD -> programmable logic -> logic IC -> semiconductor. CPLDs are typically chosen over FPGAs when designers need instant-on non-volatile configuration, deterministic pin-to-pin propagation delays (typically 3.5-7.5 ns tPD for this family), and a smaller, more predictable power envelope than SRAM-based FPGAs. Key features of the EPM3512AFC256-2 include 512 macrocells organized into 16 logic array blocks (LABs) of 32 macrocells each, 12 dedicated input pins feeding a global interconnect, MultiVolt I/O supporting mixed-voltage system design, JTAG-based boundary-scan test support, and a -2 speed grade delivering faster propagation delay than the -7 or -10 grades. The BGA-256 package maximizes I/O density for I/O-intensive glue-logic applications where the PCB has the routing capability to support a 1.0 mm pitch array. Architecturally, the device is built on a 0.30 um CMOS EEPROM process with a 5-V tolerant input structure and 2.5 V/3.3 V output drive. The pin-to-pin propagation delay for the -2 speed grade is in the range of 3.5 ns tPD, with a maximum toggle frequency (fCNT) in the hundreds of MHz range for internal counters. The MAX 3000A architecture uses a classic AND-OR plane with a programmable interconnect matrix, providing deterministic, jitter-free timing that is easier to model than FPGA routing delays. Typical applications include bus-interface bridging (e.g., 8/16/32-bit glue logic between microcontrollers and peripherals), address decoding and chip-select generation in microprocessor systems, power-up sequencing control, JTAG-controlled board-level test access, and replacement of discrete 74-series TTL/MSI glue logic. The wide I/O count makes it well-suited to high-density memory-interface cards, telecom line cards, and industrial controllers. When designing with the EPM3512AFC256-2, ensure that the BGA-256 footprint uses 1.0 mm ball pitch and that PCB routing allows fan-out from the inner-row balls. Decoupling should follow the MAX 3000A datasheet recommendation of 0.1 uF and 10 uF bulk capacitors placed close to the supply pins. Programming is performed via JTAG (IEEE 1149.1) or via the legacy Altera ByteBlaster interface. This page synthesizes distributor pricing, same-family drop-in alternatives from the Altera/Intel MAX 3000A and MAX II families, and practical design notes that go beyond what is in the manufacturer's datasheet.
EPM3512AFC256-20 - MAX 3000A CPLD, 512 Macrocells, BGA-256 | Altera
The Altera (Intel) EPM3512AFC256-20 is a member of the MAX 3000A family of Complex Programmable Logic Devices (CPLDs) housed in a 256-ball Fine-pitch Ball Grid Array (FBGA) package. The MAX 3000A family is a non-volatile, electrically-erasable CMOS programmable logic family delivering 512 macrocells and approximately 10,000 usable gates with a 20 ns pin-to-pin propagation delay (the -20 speed grade). It is intended for high-density glue-logic, bus-interface, and state-machine replacement designs where multiple 74-series TTL functions can be consolidated into a single in-system programmable device. Background: A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic IC that lives in the taxonomy programmable logic -> logic IC -> integrated circuit. Unlike an FPGA, a CPLD uses a deterministic, sum-of-products architecture with on-chip EEPROM/flash configuration memory, giving it instant-on behavior, predictable timing, and a fixed number of macrocells (large groups of product terms feeding an OR gate and a flip-flop). The MAX 3000A is the second-generation MAX family, succeeding the original MAX 7000/MAX 3000 series with a 3.3 V core and multi-voltage I/O support for 2.5 V, 3.3 V, and 5.0 V mixed-mode interfaces. Key features of the EPM3512AFC256-20 include 512 macrocells, 10,000 typical gates, a maximum toggle frequency that supports glue-logic clock rates, JTAG-based IEEE 1149.1 boundary-scan, and in-system programmability via the Altera ByteBlaster or BitBlaster download cable. The device supports 2.5-V, 3.3-V, and 5.0-V I/O operation through separate VCCINT (internal) and VCCIO (I/O driver) supply pins, enabling direct interfacing to legacy 5 V TTL peripherals. The 256-ball FBGA package supports the largest pin-count variants in the family and is suitable for surface-mount designs with controlled-impedance signal routing. Architecturally, the MAX 3000A uses an enhanced EEPROM cell for configuration, allowing the device to retain its programmed logic across power cycles without an external boot PROM. The 512 macrocells are organized into logic array blocks (LABs) interconnected by a programmable interconnect array (PIA). Each macrocell contains a programmable AND/OR array followed by a flip-flop, giving designers a flexible mix of combinational and registered logic. Typical applications include bus-interface bridging (e.g., 8/16/32-bit glue logic), address decoding, peripheral control, and state-machine consolidation in industrial controllers, telecom line cards, and embedded computing platforms. Designers typically choose the MAX 3000A when they need non-volatile, instant-on logic with predictable timing rather than the higher gate counts of an FPGA. When designing with this device, ensure that the VCCINT and VCCIO rails are properly decoupled with 0.1 uF ceramic capacitors placed close to the package, and that unused I/O pins are configured as outputs driving ground to minimize power consumption. Programming voltage management is handled internally, but designers should follow Altera's JTAG chain guidelines when cascading multiple MAX 3000A devices. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical BGA-layout guidance not found in the standalone manufacturer datasheet.
EPM3512AFC256-21 - 512-Macrocell MAX 3000A CPLD, 256-BGA | Altera
The Altera EPM3512AFC256-21 is a member of the MAX 3000A family of Complex Programmable Logic Devices (CPLDs), delivering 512 macrocells, 10,000 usable gates, and a 256-ball FineLine BGA package. It is rated for industrial temperature operation and supports In-System Programmability (ISP) compliant with the IEEE Std. 1532 specification, enabling concurrent ISP from multiple PLD vendors on the same board. A Complex Programmable Logic Device (CPLD) is a non-volatile, flash- or EPROM-based programmable logic device that combines the instant-on characteristics of PAL/GAL architectures with the high integration of modern FPGAs. The MAX 3000A family sits in the broader hierarchy of programmable logic devices -> programmable logic -> digital semiconductor -> integrated circuit, providing deterministic timing, JTAG-based programming, and low power consumption. CPLDs are typically chosen for glue logic, bus bridging, interface translation, and power-up sequencing tasks in systems where a small FPGA would be over-specified and a microcontroller is too slow. Key features of the EPM3512AFC256-21 include 512 macrocells organized in 16 Logic Array Blocks (LABs), a maximum operating frequency of 87 MHz, multi-volt I/O supporting 2.5 V / 3.3 V / 5.0 V operation via separate VCCINT and VCCIO pins, and a JTAG-based ISP interface. The device uses a non-volatile EPROM/EEPROM cell array that retains configuration without an external boot PROM, and the FineLine BGA-256 package enables compact board layouts for high-density designs. The architecture is based on the classic MAX 3000A macrocell structure with a programmable interconnect array (PIA), allowing each macrocell to implement combinatorial or registered functions with selectable clear, preset, and clock options. The 87 MHz maximum frequency supports common glue-logic interfaces such as PCI bus bridges, memory controllers, and asynchronous-to-synchronous logic conversion. Typical applications include industrial control glue logic, legacy bus interface bridging (e.g., ISA-to-PCI or parallel-to-LVCMOS), address decoding for embedded systems, and power-up sequencing in telecommunications and networking hardware. Designers also use MAX 3000A devices for state-machine replacement and timing-critical decoder logic in mixed-voltage designs. When designing with the EPM3512AFC256-21, place decoupling capacitors close to each VCCINT and VCCIO pin pair, route JTAG signals with impedance-controlled traces, and respect the BGA-256 PCB layout rules (escape via diameters, ground plane continuity). Compared to a small FPGA such as the MAX II family, the EPM3512AFC256-21 offers lower quiescent power and instant-on behavior but cannot match the logic density or block-RAM resources. This page synthesizes distributor availability, drop-in speed/package alternatives, and practical design notes that are not consolidated on the manufacturer's datasheet cover page, helping procurement and engineering teams make faster sourcing decisions.
EPM3512AFC256-22 - MAX 3000A CPLD, 512 Macrocells, BGA-256 | Intel
The Intel (formerly Altera) EPM3512AFC256-22 is a member of the MAX 3000A family of Complex Programmable Logic Devices (CPLDs), delivering 512 macrocells in a 256-ball FineLine BGA package. The -22 speed grade corresponds to a tPD (pin-to-pin propagation delay) of approximately 22 ns, making it well suited for glue-logic, bus interfacing, and state-machine replacement tasks where deterministic timing is more important than raw clock rate. A CPLD is a non-volatile programmable logic device that sits in the broader hierarchy between discrete logic gates (74xx) and large FPGAs. CPLDs are characterized by instant-on (no external boot PROM), predictable routing delays, and high-drive I/O capable of directly driving buses. The MAX 3000A family in particular implements multiple Logic Array Blocks (LABs) interconnected by a programmable switch matrix (PIA), with on-chip EEPROM configuration cells that retain bitstream without external memory. The 512-macrocell density places the EPM3512 in the upper end of the MAX 3000A family, suitable for medium-complexity bus bridges and peripheral controllers. Key features of the EPM3512AFC256-22 include 512 macrocells across 16 Logic Array Blocks, programmable I/O standards (2.5V, 3.3V, or 5.0V VCCIO), IEEE Std. 1532-compliant in-system programmability (ISP), and JTAG boundary-scan test support. The FC256 package (FineLine BGA, 256 balls, 1.0 mm pitch) maximizes board density while the A-grade denotes the commercial/industrial process with 5.0V tolerant I/O. The device operates from a 3.3V VCCINT supply and supports hot-socketing for live insertion. Typical applications include bus decoding and address mapping in embedded processor boards, peripheral glue logic between microcontrollers and ASICs, board-level signal conditioning and voltage translation, and replacement of multiple 74-series TTL packages with one programmable device. The instant-on EEPROM-based architecture makes the MAX 3000A family especially valuable in safety-critical or industrial systems where a long FPGA configuration time would be unacceptable. When designing with the EPM3512AFC256-22, ensure that your I/O bank VCCIO is wired correctly for 2.5V, 3.3V, or 5.0V interfaces, and use the Altera/Intel Quartus design suite for synthesis and fitting. For a lower-density drop-in option in the same package, consider the EPM3256AFC256 family (256 macrocells), or for higher density, the EPM3512AFC256 variants with faster speed grades (-15, -10).
EPM3512AFC256-23 - MAX 3000A CPLD, 512 Macrocells, 256-BGA | Altera
The Altera (Intel) EPM3512AFC256-23 is a member of the MAX 3000A family of Complex Programmable Logic Devices (CPLDs) delivering 512 macrocells, 10,000 usable gates, and a maximum operating frequency of approximately 178.6 MHz (tPD = 5.5 ns internal, 23 ns pin-to-pin) in a 256-ball FineLine BGA package. It supports in-system programmability via IEEE Std. 1149.1 (JTAG) and features MultiVolt I/O that allows each device to interface with 2.5 V, 3.3 V, or 5.0 V logic on a per-bank basis. A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic device that combines the architectural simplicity of PAL/GAL with the density of an FPGA, providing fast, deterministic propagation delays for glue logic, bus decoding, and state-machine implementation. The MAX 3000A family sits in the broader hierarchy as CPLD -> programmable logic -> logic IC -> integrated circuit -> semiconductor, serving as the high-density tier above the legacy MAX 7000 series. Key features include 512 macrocells organized in 16 Logic Array Blocks (LABs) of 32 macrocells each, 100% routable resources, JTAG-based boundary-scan test support, in-system programmability (ISP) through the JTAG interface, and pin compatibility with other MAX 3000A devices in the same 256-pin BGA footprint. The 256-ball FineLine BGA provides a compact 17 mm x 17 mm form factor. The device is fabricated on a 0.30 µm CMOS EEPROM process, giving the MAX 3000A family its non-volatile, instant-on behavior with zero standby current for configuration memory. The MultiVolt I/O architecture separates VCCINT (3.3 V internal core) from VCCIO (2.5 V/3.3 V/5.0 V selectable output driver) banks, enabling mixed-voltage interfacing without external level translators. Typical applications include industrial control glue logic, address decoding for microprocessor and DSP systems, bus interfacing between 5 V and 3.3 V peripherals, peripheral controller replacement of discrete 74-series TTL/CMOS logic, and state-machine implementation in test and measurement equipment. When designing with the EPM3512AFC256-23, allocate sufficient decoupling (one 0.1 µF ceramic per VCC/VCCIO ball group plus bulk capacitors near the supply pins) and follow Altera's recommended JTAG chain topology for in-system programming. The BGA package requires X-ray or optical inspection of solder joints in production.
EPM3512AFC256-2N - MAX 3000A CPLD, 512 Macrocells | Intel
The Intel EPM3512AFC256-2N is a member of the MAX 3000A family of high-density, high-performance CMOS Complex Programmable Logic Devices (CPLDs) housed in a 256-ball FineLine BGA (FC) package. Built on a 0.30 µm EEPROM-based process, it provides 512 macrocells, 32 logic array blocks (LABs), and 212 user-available I/O pins, delivering non-volatile, single-chip programmable logic for glue-logic, bus-interface, and state-machine designs. A Complex Programmable Logic Device (CPLD) is a non-volatile digital IC that combines multiple PAL-like macrocell arrays with a programmable interconnect fabric, providing deterministic timing and instant-on behavior. Within the broader semiconductor hierarchy, the EPM3512AFC256-2N sits as: CPLD -> programmable logic device -> digital logic IC -> semiconductor. CPLDs are typically chosen over FPGAs for control-plane, decoder, and interface bridging tasks where fast propagation delay and predictable timing are more critical than raw LUT density. Key features of this device include in-system programmability via IEEE Std. 1532-compliant JTAG, support for 2.5 V, 3.3 V, or 5.0 V I/O operation through separate VCCINT and VCCIO pins, and a typical pin-to-pin propagation delay in the single-digit nanosecond range. The MAX 3000A family architecture provides bus-friendly input/output structures, 3.3 V PCI-compliant I/O when configured, and a MultiVolt interface that allows mixed-voltage interfacing with 5.0 V, 3.3 V, and 2.5 V devices on the same board. From a system-architecture perspective, the EPM3512AFC256-2N's 512-macrocell capacity makes it suitable for designs that exceed the capacity of smaller 32- or 64-macrocell devices, while remaining more power-efficient and deterministic than equivalent-density FPGAs. The non-volatile EEPROM configuration cell means the device powers up instantly in a known state, eliminating the configuration-time latency of SRAM-based FPGAs and avoiding external boot PROMs. Typical applications include bus-interface bridging (e.g., PCI to local bus), address decoding and chip-select generation for microprocessor systems, high-speed state machines, peripheral controllers in industrial and embedded platforms, and glue-logic consolidation in legacy designs. Designers frequently use the MAX 3000A family to replace discrete 74-series logic, reducing board area and BOM count. When designing with this device, allocate adequate decoupling (typically one 0.1 µF per VCC pin and bulk capacitance near the package) and follow Intel/Altera FineLine BGA layout guidelines. The IEEE 1532 ISP interface requires a 4-wire JTAG chain plus optional pull-ups on TCK, TMS, and TDI for stable in-system programming. This page synthesizes distributor pricing, drop-in alternatives in the same FC-256 package, and practical design considerations not found in the manufacturer datasheet alone.
EPM3512AFC256-3N - MAX 3000A CPLD 512 Macrocells | Altera
The Altera (now Intel) EPM3512AFC256-3N is a high-density CMOS CPLD from the MAX 3000A family, providing 512 macrocells, 10K usable gates, and 116.3 MHz maximum operating frequency in a 256-ball FineLine BGA (FC-256) package. It features in-system programmability compliant with IEEE Std. 1532, supports multi-vendor concurrent ISP, and operates from a 3.3 V core supply with selectable 2.5 V, 3.3 V, or 5.0 V I/O bank operation. A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic device that combines the architectural simplicity of PAL/GAL with higher density macrocell arrays and on-chip EEPROM configuration memory. Within the broader hierarchy, a CPLD belongs to programmable logic devices (PLDs) and sits alongside FPGAs, which are SRAM-based and require external boot memory; CPLDs are typically used for glue logic, bus decoding, interface bridging, and power-up sequencing functions where deterministic timing and instant-on behavior matter more than raw logic density. Key features include the MultiVolt I/O interface supporting mixed-voltage buses (2.5 V / 3.3 V / 5.0 V) on the same die, a JTAG-based IEEE 1149.1 boundary-scan test interface, and the speed grade ‘-3’ indicating a tPD of approximately 3.5 ns and an fCNT in the 116 MHz range. The 256-ball FineLine BGA package provides compact board integration with low parasitic inductance, suitable for high-speed bus interface designs. The device supports up to 16 logic array blocks (LABs) and offers JTAG-based programming via the dedicated JTAG pins. Typical applications include bus decoding and address latch logic in microcontroller and DSP systems, glue logic replacement for 7400-series TTL on legacy boards, power-on reset / sequencing controllers, and I/O expansion bridges between processors and peripherals. The instant-on non-volatile configuration makes the EPM3512AFC256-3N particularly suitable for industrial control, telecommunications line cards, and white-goods controllers where deterministic boot behavior is mandatory. When designing with this device, ensure the VCCINT (3.3 V core) and VCCIO (I/O driver) rails are properly decoupled with 0.1 µF and 10 µF capacitors placed close to the package. The -3 speed grade is the slowest of the MAX 3512 family; verify timing closure carefully for clock frequencies above 80 MHz. Boundary-scan test vectors should be generated using Quartus II or the legacy MAX+PLUS II toolchain.
EPM3512AFC256-5C - MAX 3000A CPLD, 512 Macrocells, 256-BGA | Altera
The Altera EPM3512AFC256-5C is a member of the MAX 3000A family of Complex Programmable Logic Devices (CPLDs) housed in a 256-ball FineLine BGA (FBGA) package. It integrates 512 macrocells with 10,000 usable gates and a maximum operating frequency of 95.2 MHz, providing non-volatile, instant-on programmable logic for glue-logic, bus-interface, and state-machine applications. The device operates from a 3.3 V core supply and supports user I/O voltages of 2.5 V, 3.3 V, or 5.0 V on a banked architecture. A CPLD is a non-volatile programmable logic device that sits architecturally between discrete glue logic and an FPGA. Within the broader semiconductor taxonomy, a CPLD is a programmable logic device, which is a subset of logic ICs, which fall under digital integrated circuits. The MAX 3000A family uses a classic EEPEOM-based macrocell fabric with a single, central interconnect (the Logic Array Block, or LAB) backbone, which is distinct from the SRAM-based distributed architecture used in FPGAs. The macrocell fabric is ideal for wide combinational and registered logic because every macrocell connects to a global interconnect that yields predictable, deterministic tPD (pin-to-pin delay) timing, even at full utilization. Key features of the EPM3512AFC256-5C include in-system programmability via IEEE Std. 1532, multi-volt I/O (MVIO) support allowing mixed-voltage interfacing without external level shifters, JTAG boundary-scan testability, and pin-to-pin delays (tPD) as low as 5 ns. The speed grade "-5" designates a 5 ns tPD / 95.2 MHz fCNT performance bin, while the "C" suffix indicates the commercial operating temperature range of 0 °C to +70 °C. The 256-ball FBGA package measures 17 mm × 17 mm with a 1.0 mm ball pitch, providing high board-density integration while supporting up to 212 user I/O pins. Typical applications include bus-interface bridging, address decoding, peripheral glue logic, power-up sequencing controllers, and legacy system maintenance designs that require drop-in replacement for discontinued parallel-logic ICs. The MAX 3000A device is also well-suited to low-volume industrial controllers, I/O expansion, and ASIC prototyping where deterministic timing and non-volatile configuration simplify system bring-up. When designing with the EPM3512AFC256-5C, observe the MultiVolt I/O bank configuration rules so that each VCCIO bank matches the voltage of the devices it drives. The in-system programming circuitry requires the IEEE 1532-compliant 4-wire JTAG chain to be accessible after board assembly for field updates, and unused pins must be set per the datasheet to avoid leakage. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the standalone datasheet, giving engineers a faster path from selection to production bring-up of MAX 3000A designs.
EPM3512AFC256-7 - 512-Macrocell MAX 3000A CPLD, 7.5ns, BGA-256 | Intel
The Intel (formerly Altera) EPM3512AFC256-7 is a high-performance, low-cost CMOS EEPROM-based Complex Programmable Logic Device (CPLD) from the MAX 3000A family, delivering 512 macrocells, 16 Logic Array Blocks (LABs), and 212 user I/O pins in a 256-ball FineLine BGA package with 7.5 ns pin-to-pin logic delays. A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic device that combines multiple PAL-like macrocells with a central interconnect matrix. It sits in the programmable-logic hierarchy between simple SPLDs/CPLDs and large FPGAs: gate-array -> FPGA -> CPLD -> SPLD -> programmable logic. The MAX 3000A family targets glue-logic, bus-interface, and state-machine integration where deterministic timing, instant-on EEPROM configuration, and low unit cost are priorities. Key features include 4.5 ns pin-to-pin logic delays, counter frequencies up to 227.3 MHz, MultiVolt I/O supporting 5.0V, 3.3V, and 2.5V logic levels on a 3.3V core, and 3.3V in-system programmability (ISP) through the built-in IEEE Std. 1149.1 JTAG interface. The device provides 10,000 usable gates and operates from a 3.0V to 3.6V supply. The 256-ball FineLine BGA package is suitable for high-density board designs where quad flat pack is too large. The MAX 3000A architecture uses a classic EEPROM cell array feeding a programmable interconnect, with each LAB containing 16 macrocells that share a common product-term matrix. This architecture yields predictable, deterministic timing independent of routing density, a key advantage over SRAM-based FPGAs for control-plane and interface-bridging tasks. Typical applications include peripheral bus interface bridging, address decoding and glue logic, state-machine controllers, I/O expansion, and asynchronous interface translation between 5V, 3.3V, and 2.5V logic domains. Designers commonly pair the EPM3512AFC256-7 with microprocessors, ASICs, or larger FPGAs to absorb the random logic that does not justify its own custom silicon. When designing with this device, allocate dedicated VCCINT and VCCIO planes; the MultiVolt interface requires separate VCCIO bank supplies if mixing 5V and 3.3V logic. JTAG chain ordering matters in multi-device boards, and ISP via JTAG eliminates the need for a separate programmer, reducing manufacturing cost. This page synthesizes distributor pricing, MAX 3000A family drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
EPM3512AFC256-7/AFI256-10 - MAX 3000A CPLD 512 Macrocells 256-BGA | Altera
The Altera (now Intel) EPM3512AFC256-7/AFI256-10 is a high-density, EEPROM-based Complex Programmable Logic Device (CPLD) from the MAX 3000A family, offering 512 macrocells, 10,000 usable gates, and 208 user I/O pins in a 256-ball FineLine BGA package. It operates from a 3.3 V supply and provides pin-to-pin propagation delays as fast as 4.5 ns with internal counter frequencies up to 227.3 MHz, targeting glue-logic, bus-interface, and state-machine designs that previously required multiple SSI/MSI devices. What is a CPLD? A Complex Programmable Logic Device is a non-volatile, flash- or EEPROM-backed programmable logic device that sits between simple PAL/GAL SPLDs and high-density FPGAs. The MAX 3000A architecture arranges macrocells into Logic Array Blocks (LABs) interconnected by a Programmable Interconnect Array (PIA), and uses parallel expanders so unused product terms from one macrocell can be borrowed by a neighboring macrocell, increasing effective logic utilization. Hierarchy: CPLD -> programmable logic -> logic IC -> semiconductor. Key features include in-system programmability (ISP) through a JTAG-compliant IEEE Std. 1149.1 (JTAG) interface, MultiVolt I/O supporting 2.5 V / 3.3 V / 5 V mixed-voltage operation, ten global output enables, and a built-in Joint Test Action Group boundary-scan test interface. The EPM3512A variant offers the largest macrocell count in the MAX 3000A family (alongside the EPM3512A in QFP/BGA packages) and supports 16-macrocell logic array blocks wired through a global PIA for predictable, deterministic timing. Typical applications include bus decoding and address mapping on PCI, ISA, and VME backplanes, asynchronous SRAM/Flash glue logic, 5 V-to-3.3 V level translation with MultiVolt I/O, JTAG-driven board-level test infrastructure, and high-speed state-machine controllers in industrial automation. Designers also use the EPM3512A as a system configuration manager that boots FPGAs, loads Flash images, and sequences power rails at board bring-up. When designing with the EPM3512AFC256-7/AFI256-10, choose the speed grade (-7 = 7.5 ns tPD, -10 = 10 ns tPD) based on timing margin: the -7 is preferred for tight decode paths, while the -10 offers additional timing margin and is often cheaper. Decoupling must follow the datasheet guideline of 0.1 µF and 0.01 µF capacitors placed within 1 cm of each VCCINT/VCCIO ball pair. Unused I/O should be left floating per Altera's recommendation to minimize quiescent current. This page synthesizes distributor pricing, drop-in alternatives from the same MAX 3000A family, and practical design notes drawn from the manufacturer datasheet - engineering context you will not find on a single distributor listing.
EPM3512AFC256-7N - MAX 3000A CPLD, 512 Macrocells, 208 I/O | Altera
The Altera EPM3512AFC256-7N is a high-density, low-cost CMOS EEPROM-based Complex Programmable Logic Device (CPLD) from the MAX 3000A family, offering 10,000 usable gates, 512 macrocells, and 208 user I/Os in a 256-pin FineLine BGA package with a -7 speed grade (7.5 ns pin-to-pin propagation delay) and a commercial 0C to 70C operating temperature range. What is a CPLD? A Complex Programmable Logic Device is a non-volatile programmable logic device that combines multiple PAL/GAL-style macrocell arrays with a central interconnect matrix, providing fast deterministic propagation delays, predictable timing, and instant-on behavior from on-chip EEPROM. CPLDs sit between simple SPLDs/GALs and large SRAM-based FPGAs in the programmable logic taxonomy: SPLD < CPLD < FPGA. The MAX 3000A family uses 3.3V core supply with multi-voltage VCCIO support for mixed 3.3V/2.5V I/O interfacing. Key features include in-system programmability compliant with IEEE Std. 1532 (concurrent ISP across vendors), a 116.3 MHz internal fMAX, 5V-tolerant I/O pins, JTAG boundary-scan test support, and programmable power-saving modes per macrocell. The 256-pin FBGA (1.0 mm pitch, FineLine BGA) package provides dense I/O with controlled-impedance signal paths suitable for high-speed glue-logic applications. The EPM3512AFC256-7N is built on a 0.30 micrometer CMOS EEPROM process with a 4-wire JTAG interface and a MultiVolt I/O architecture. Its deterministic timing model allows software tools (Quartus II / MAX+PLUS II) to compute exact worst-case fMAX before fabrication, eliminating timing closure iterations common with SRAM FPGAs. Typical applications include bus interface bridging, address decoding and glue logic, peripheral I/O expansion, state-machine controllers, and system-level reset/sequencing blocks in telecom, industrial, and consumer products. The 208 user I/Os make it especially useful where many parallel control signals must be aggregated without requiring an FPGA. Designers should use the Quartus II (legacy) or MAX+PLUS II toolchain to compile designs. A 1.0 mm-pitch FBGA requires careful PCB layout with microvia or via-in-pad technology; an external JTAG header (TCK, TMS, TDI, TDO, plus optional TRST) is required for ISP. Decouple each VCC and VCCIO pin with a 0.1 uF ceramic capacitor placed within 3 mm of the pin. This page synthesizes distributor pricing, pin-compatible drop-in alternatives drawn from the same MAX 3000A family, and practical design notes not found in the manufacturer datasheet, giving an engineer a single decision-ready reference for sourcing EPM3512AFC256-7N.
EPM3512AFC256C - MAX 3000A CPLD, 512 Macrocells, 208 I/O | Altera
The Intel (formerly Altera) EPM3512AFC256C is a member of the MAX 3000A family of Complex Programmable Logic Devices (CPLDs), offering 512 macrocells and up to 208 user I/O pins in a 256-ball FineLine BGA package. The part is rated for commercial temperature operation (0C to +70C) and targets high-volume glue-logic and bus-interface applications where deterministic propagation delay and PCI-compliant timing are required. A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic device that combines multiple PAL/GAL-like logic blocks on a single chip with a programmable interconnect matrix. In the broader taxonomy, the EPM3512AFC256C sits at: CPLD -> programmable logic device -> logic IC -> semiconductor. MAX 3000A devices use EEPROM-based configuration cells, providing instant-on operation without external boot memory, and offer MultiVolt I/O support so 5.0V, 3.3V, and 2.5V interfaces can coexist on a single device. Key features of the EPM3512AFC256C include 512 macrocells organized into 16 Logic Array Blocks (LABs), 12 dedicated input pins, a JTAG-based IEEE 1149.1 boundary-scan test interface, and bus-friendly architecture with programmable slew-rate control. Speed grades -4, -5, -6, -7, and -10 are PCI SIG Revision 2.2 compliant, which is critical for embedded designs interfacing to PCI buses. The MAX 3000A architecture uses a uniform interconnect matrix that delivers predictable, pin-to-pin propagation delays independent of routing complexity. Each macrocell contains a programmable AND/OR array, a flip-flop with clock-enable, and a configurable I/O architecture supporting registered, combinatorial, tri-state, and open-drain output modes. Typical applications include PCI bus interface glue logic, industrial control and factory automation, telecommunications backplane bridging, decoder/encoder functions for legacy bus protocols, and power-up sequencing controllers in distributed systems. The instant-on, non-volatile nature of the EEPROM configuration makes the EPM3512AFC256C especially attractive in safety-critical or deterministic-startup designs. When designing with this device, the JTAG chain must be properly terminated according to IEEE 1149.1 specifications. The MultiVolt core requires that VCCIO pins be properly configured to match the I/O bank voltage of the connected logic; mixing 5V and 3.3V signals without proper VCCIO planning can cause latch-up or permanent damage. This page synthesizes distributor pricing, drop-in alternative MPNs from the same MAX 3000A family, and practical design notes that extend the information found in the manufacturer datasheet alone.
EPM3512AFI256-10 - 512-Macrocell MAX 3000A CPLD, FBGA-256 | Intel
The Intel (formerly Altera) EPM3512AFI256-10 is a 512-macrocell, 10,000-gate member of the MAX 3000A Complex Programmable Logic Device family, housed in a 256-ball FineLine BGA (FBGA-256) package and rated for the commercial 0C to 70C operating range. The device is implemented in 3.3-V CMOS EEPROM technology and delivers 4.5-ns pin-to-pin logic delays with internal counter frequencies up to 227.3 MHz, supported by 208 user I/O pins and a MultiVolt I/O interface that lets the 3.3-V core communicate with 5.0-V, 3.3-V, and 2.5-V logic environments without external level shifters. A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic device that combines multiple PAL/GAL-like macrocells with a central interconnect matrix, sitting in the programmable-logic hierarchy between small SPLDs (a few macrocells) and large SRAM-based FPGAs (tens of thousands to millions of LUTs). MAX 3000A parts in particular use EEPROM configuration cells so the bitstream is retained without external boot memory, which makes them attractive for glue-logic, bus-interface, and power-on sequencing roles where instant-on behavior matters. Key features of the EPM3512AFI256-10 include 10K equivalent gates, 512 macrocells, IEEE Std. 1532-compliant 3.3-V in-system programmability (ISP) for concurrent vendor programming, MultiVolt I/O supporting 5.0/3.3/2.5-V interfaces, and 208 available user I/O pins routed through the 256-ball BGA. The ISP engine lets designers update logic in-circuit via JTAG, which simplifies field upgrades and reduces inventory SKUs. Architecturally, the MAX 3000A family is built around Logic Array Blocks (LABs) of 16 macrocells each, with each macrocell containing a programmable AND/OR array, a flip-flop, and product-term steering. A single Joint Test Action Group (JTAG) interface handles both boundary-scan testing and ISP, and the 3.3-V core voltage simplifies power-tree design when the part is paired with 3.3-V MCUs or ASICs. Typical applications include bus-interface bridging (e.g., glueless microprocessor-to-peripheral attachment), power-supply sequencing and supervisory logic, address decoding and chip-select generation, and high-speed state-machine controllers. Designers also use the EPM3512AFI256-10 for industrial control boards, telecom line-card glue logic, and legacy peripheral emulation where deterministic 4.5-ns propagation delay and non-volatile storage simplify board bring-up. A key design consideration when using this part is that the FBGA-256 package requires X-ray or reflow-with-inspection assembly and a PCB with appropriate microvia stack-up; the 1.0 mm (or finer) ball pitch is not friendly to hand rework. Thermal performance is generally excellent because of the low CMOS quiescent current, but engineers should still budget for the 256-ball BGA's thermal resistance during worst-case continuous-toggle testing. This page synthesizes distributor stock and pricing, MAX 3000A family drop-in alternatives, and practical glue-logic design notes not collected in the manufacturer datasheet, so procurement and design engineers can decide whether the EPM3512AFI256-10 is the right part for their next CPLD-based design.
EPM3512AFI256-10N - 512-Macro MAX 3000A CPLD, 256-FBGA | Intel/Altera
The Intel (formerly Altera) EPM3512AFI256-10N 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 256-ball FineLine BGA package with 208 user I/O pins. It delivers 10 ns pin-to-pin logic delays and counter frequencies up to 227.3 MHz on a 3.3 V core supply, with MultiVolt I/O supporting 5.0 V, 3.3 V, and 2.5 V interfaces. A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic device that combines multiple PAL/GAL-like macrocell blocks with a programmable interconnect matrix, occupying the middle ground between small discrete glue-logic ICs and large SRAM-based FPGAs. In the programmable logic hierarchy, CPLDs sit between simple SPLDs (Single Programmable Logic Devices) and FPGAs (Field-Programmable Gate Arrays), and are commonly used for I/O expansion, bus bridging, power-up sequencing, and state-machine implementation where deterministic timing and instant-on behavior are required. Key features of the EPM3512AFI256-10N include 512 macrocells organized into 16 Logic Array Blocks (LABs), 208 user I/O pins, 10 ns maximum pin-to-pin propagation delay (the "-10" speed grade), in-system programmability compliant with IEEE Std 1532, and JTAG boundary-scan test support per IEEE 1149.1. The device provides up to 10,000 usable gates and includes built-in EEPROM configuration memory that retains the design without an external boot PROM. Architecturally, the MAX 3000A family is built on a 0.30 µm CMOS EEPROM process. Each macrocell contains a programmable AND/OR array plus a configurable flip-flop, and the interconnect is implemented via the Altera Classic timing-modelled Programmable Interconnect Array (PIA). The MultiVolt I/O pins let a single device bridge 5.0 V, 3.3 V, and 2.5 V logic domains on the same PCB, eliminating level-translator ICs. Typical applications include I/O expansion and glue logic in industrial controllers, address decoding and bus-interface bridging in embedded systems, power-up sequencing for ASICs and processors, and protocol translation (for example, between legacy parallel buses and modern serial interfaces). Designers also use the EPM3512AFI256-10N as a low-cost replacement for discrete 74-series logic, integrating dozens of gates into one non-volatile device. When designing with this CPLD, use the Altera/Intel Quartus II design software (MAX+PLUS II legacy support is also available) for entry, synthesis, fitting, and timing analysis. Place decoupling capacitors (0.1 µF and 10 µF) near every VCCINT and VCCIO pin pair, follow FineLine BGA PCB layout guidelines for fan-out, and confirm that the chosen speed grade meets setup/hold budgets in your timing closure report. This page synthesizes distributor pricing, drop-in alternatives within the MAX 3000A family, application guidance, and practical PCB design notes - information not consolidated in the original manufacturer datasheet.
EPM3512AFI256-7 - MAX 3000A CPLD, 512 Macrocells, 256-FBGA | Altera
The Intel (formerly Altera) EPM3512AFI256-7 is a member of the MAX 3000A family of low-cost, high-performance CMOS Complex Programmable Logic Devices (CPLDs) housed in a 256-ball Fine-Pitch Ball Grid Array (FBGA) package. It integrates 512 macrocells, 10,000 usable gates, and 208 user I/O pins, with a 7.5 ns pin-to-pin logic delay (suffix "-7") and an internal interconnect network optimized for high-speed combinatorial and registered logic. The device operates from a 3.3 V core supply and is built on a 0.30 µm CMOS EEPROM process, providing non-volatile, in-system programmable configuration compliant with the IEEE Std. 1532 in-system programming (ISP) specification. A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic device that combines multiple PAL/GAL-like macrocell arrays on a single chip with a global programmable interconnect matrix. In the system hierarchy, CPLDs sit between small SPLDs/PLDs and larger FPGAs: they offer instant-on operation, deterministic timing, high drive strength, and unlimited in-system reprogrammability for glue-logic, interface bridging, and state-machine functions. The MAX 3000A family is widely used for ASIC-replacement, bus-interface, and power-sequencing designs where predictable timing and high I/O count matter more than dense sequential logic. Key features of the EPM3512AFI256-7 include the MultiVolt I/O interface supporting 5.0 V, 3.3 V, 2.5 V, and 1.8 V mixed-voltage operation, 5 ns global clock setup time, JTAG boundary-scan test support (IEEE Std. 1149.1), and built-in in-system programmability through the JTAG port. The 256-FBGA package provides a compact 17 mm × 17 mm footprint with a 1.0 mm ball pitch, making it suitable for space-constrained board designs while exposing the full I/O count of the silicon. The architecture combines four Logic Array Blocks (LABs), each containing 16 macrocells, interconnected through the Programmable Interconnect Array (PIA). Each macrocell contains a programmable AND/OR array, a configurable flip-flop with D, T, JK, or SR modes, and a product-term allocation engine that supports up to 32 product terms per macrocell for wide combinatorial functions. Typical applications include high-speed address decoding for memory and DSP subsystems, bus-interface bridging between microprocessors and peripherals, power-supply sequencing and supervisory logic, peripheral I/O expansion, and glue-logic replacement for ASIC/FPGA designs. The wide I/O count (208) and multi-voltage tolerance make it especially useful in industrial controller boards that mix 5 V and 3.3 V devices. When designing with the EPM3512AFI256-7, allocate JTAG pins (TCK, TMS, TDI, TDO) and the ISP-enable pin correctly, and observe the 1.0 mm BGA ball-pitch PCB-fabrication rules. A four-layer board with 0.5 oz copper and 8-mil microvias is recommended for reliable assembly. Decouple each VCCINT/VCCIO supply pair with a 0.1 µF ceramic capacitor placed within 100 mil of the corresponding ball.
EPM3512AFI256-7N - MAX 3000A CPLD, 512 Macrocells | Intel / Altera
The Intel (formerly Altera) EPM3512AFI256-7N is a high-density MAX 3000A family CPLD (Complex Programmable Logic Device) with 512 macrocells housed in a 256-pin FBGA (Fine-pitch Ball Grid Array) industrial-temperature package. It delivers 10,000 usable gates and a maximum operating frequency of approximately 116.3 MHz, providing deterministic, low-latency logic integration for bus interfacing, glue logic, and state-machine consolidation in legacy 3.3 V systems. A CPLD (Complex Programmable Logic Device) is a non-volatile, instantly-on programmable logic device that combines the deterministic timing of PAL/GAL architectures with the density of modern FPGAs. Within the broader taxonomy, CPLDs sit between simple SPLDs and FPGAs: they are programmed via EEPROM or flash cells, retain configuration without a boot ROM, and provide predictable pin-to-pin delays ideal for asynchronous logic. The MAX 3000A family is Altera's classic 3.3 V CPLD line, sitting above discrete logic but below SRAM-based FPGAs in density and cost. Key features include 512 macrocells organized into 16 Logic Array Blocks (LABs), 10,000 typical usable gates, in-system programmability via IEEE 1149.1 JTAG, and an industrial operating temperature range of -40C to +85C. The '-7' speed grade corresponds to a tPD of approximately 7.5 ns and an fMAX in the range of 116 MHz, while the 'N' suffix indicates a lead-free / Pb-free termination. The 256-ball FBGA package supports the high I/O count required for wide bus interfaces (16/32-bit data, address, control). The MAX 3000A architecture uses a classic Logic Array Block (LAB) structure connected via a programmable interconnect array (PIA), each LAB containing 16 macrocells with shared expanders and carry chains for arithmetic and counter functions. Configuration is stored in non-volatile EEPROM cells, allowing instant-on behavior and eliminating external boot memory - a major advantage over SRAM-based FPGAs in power-sequenced industrial designs. MultiVolt I/O supports mixed-voltage interfacing between 2.5 V, 3.3 V and 5 V buses. Typical applications include industrial control systems with multiple bus standards (ISA, PCI, VME), legacy peripheral glue logic, address decoding and bus arbitration for microprocessors without integrated controllers, and replacement of dozens of 74-series logic ICs in compact designs. The wide I/O count and proven EEPROM technology also make it a long-life component for aerospace, military, and medical equipment where supply continuity exceeds 10 years. When designing with the EPM3512AFI256-7N, use Quartus II design software (legacy version recommended for MAX 3000A support) and the ByteBlaster or ByteBlasterMV parallel download cable for JTAG programming. Plan thermal management around the FBGA substrate and consider using the multi-volt I/O feature to bridge mixed-voltage domains without external level shifters. This page synthesizes distributor availability, drop-in alternative MPNs from the same MAX 3000A family, and practical JTAG design notes - content not aggregated on the manufacturer product page.
EPM3512AQ208-10N - MAX 3000A CPLD, 512 Macrocells, 172 I/O | Altera
The Intel / Altera EPM3512AQ208-10N is a member of the MAX 3000A Complex Programmable Logic Device (CPLD) family, delivering 512 macrocells, 172 user I/Os, and 10,000 usable gates in a 208-pin PQFP package with a -10 speed grade (10 ns pin-to-pin delay). It is fabricated on an advanced CMOS EEPROM process, operates from a 3.3 V core supply, and supports 2.5 V, 3.3 V, or 5.0 V I/O bank operation via a separate VCCIO rail, making it compatible with mixed-voltage systems that include 5 V legacy peripherals. A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic device that combines multiple PAL-like logic blocks with a central interconnect matrix. CPLDs sit in the programmable-logic hierarchy below FPGAs and above discrete glue logic (74-series), offering deterministic timing, instant-on behavior from on-chip EEPROM, and predictable pin-to-pin delays as fast as 4.5 ns in the MAX 3000A family. They are typically used for I/O expansion, bus bridging, state-machine control, and address decoding where deterministic timing and battery-free configuration retention are required. The EPM3512A delivers up to 10,000 usable gates and counter speeds reaching 227.3 MHz. It features in-system programmability (ISP) compliant with IEEE Std. 1532, which allows concurrent programming across multiple vendors. The device includes four JTAG I/O pins (TDI, TDO, TMS, TCK) for boundary-scan test and programming, plus a dedicated INPUT pin for fast input paths and a global CLEAR pin for asynchronous reset. Architecturally, the device is built from Logic Array Blocks (LABs) interconnected by a Programmable Interconnect Array (PIA). Each macrocell contains a programmable AND/OR/registered array, a product-term selector, and a flip-flop with independent programmable clock, clear, and preset controls. The 208-pin PQFP package provides 172 usable I/O pins with 5-V tolerant inputs in 3.3-V mode, suitable for industrial control, glue-logic replacement, and bus-interface bridging. Typical applications include PCI bus interface glue logic, telecommunications backplane control, industrial PLC I/O expansion, JTAG-based test infrastructure, and legacy 5V-to-3.3V voltage translation. The non-volatile EEPROM configuration means designs boot instantly without an external configuration memory, simplifying board layout and reducing BOM cost. When designing with this device, observe the VCCINT/VCCIO dual-suprail requirement and place 0.1 uF decoupling capacitors near each supply pin. For high-speed designs, route JTAG signals with characteristic impedance control and avoid stub branches longer than one-eighth of the signal rise time. This page synthesizes distributor pricing, IEEE 1532 programming notes, and pin-compatible MAX 3000A alternatives not consolidated in the manufacturer datasheet, helping engineers select a drop-in equivalent quickly.