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EPM3032ATC44-10NAA - 32-Macrocell MAX 3000A CPLD, 44-TQFP | Altera
EPM3032ATC44-10NAA

EPM3032ATC44-10NAA - 32-Macrocell MAX 3000A CPLD, 44-TQFP | Altera

The Altera EPM3032ATC44-10NAA is a 32-macrocell, 600-gate member of the MAX 3000A family of in-system-programmable (ISP) Complex Programmable Logic Devices (CPLDs), supplied in a 44-pin TQFP package with a 10 ns propagation delay (the "-10" speed grade) and a commercial operating temperature range. 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 centralized interconnect. The MAX 3000A family sits within Altera's broader programmable-logic hierarchy (CPLD family -> programmable logic -> logic IC -> semiconductor), and is built on 5.0V-tolerant, 3.3V-core CMOS EEPROM technology. The EPM3032ATC44-10NAA specifically is positioned at the small-density end of the family with 32 macrocells and 600 usable gates, suitable for glue-logic, interface-bridging, and bus-decoding tasks. The key features of this device include 32 macrocells organized in 2 Logic Array Blocks (LABs), 34 user I/O pins, 3.3V core operation, MultiVolt I/O supporting 5.0V/3.3V/2.5V logic levels, and IEEE Std. 1149.1 JTAG plus IEEE Std. 1532 ISP for in-system programming. Its 10 ns pin-to-pin delay (tpd) supports logic operation up to roughly 100 MHz on internal paths, and hot-socketing support is built into the I/O buffers. Architecturally, the device uses a non-volatile EEPROM cell plus the MAX interconnect matrix. The two LABs share global control signals (clock, clear, output enable), and each macrocell contains a programmable AND-OR array feeding a configurable flip-flop with selectable register/bypass modes. MultiVolt I/O means the same part can drive or receive 5.0V TTL, 3.3V LVTTL, or 2.5V LVCMOS signals without external translators, simplifying mixed-voltage board designs. Typical applications include address decoding and glue logic in microprocessor/microcontroller systems, I/O expansion and bus interfacing, state-machine control, and 5.0V/3.3V logic-level translation. Industrial controls, point-of-sale terminals, and legacy telecom linecards commonly use MAX 3000A parts like this one to consolidate random SSI/MSI logic into a single reprogrammable device. When designing with this part, verify JTAG chain ordering carefully because ISP via IEEE 1532 allows concurrent in-system programming even on populated boards, but TCK/TMS/TDO chains must be unbroken. Decoupling requirements follow the MAX 3000A family guideline of one 0.1 uF plus one bulk capacitor per VCC/GND pair placed close to the package. This page synthesizes distributor pricing snapshots, drop-in same-package alternatives drawn from the same MAX 3000A family, and practical design notes that go beyond the manufacturer datasheet itself.

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EPM3032ATC44-10NAB - 32-Macrocell CPLD, 10ns, 3.3V | Intel (Altera)
EPM3032ATC44-10NAB

EPM3032ATC44-10NAB - 32-Macrocell CPLD, 10ns, 3.3V | Intel (Altera)

The Intel (formerly Altera) EPM3032ATC44-10NAB is a 32-macrocell, 10ns pin-to-pin delay member of the MAX 3000A family of Complex Programmable Logic Devices (CPLDs), housed in a 44-pin TQFP package and supplied in Tray packaging per the 'NAB' order code suffix. The device integrates 600 gates of logic fabric, runs the core at 3.3 V, and exposes a MultiVolt I/O interface that is compatible with 5.0 V, 3.3 V, and 2.5 V logic levels on the same pins. The In-System Programmability (ISP) circuitry on this family conforms to the IEEE Std. 1532 specification, allowing concurrent ISP across multiple PLD vendors via a standard 4-pin JTAG interface (JTAG, TMS, TCK, TDI, TDO). A Complex Programmable Logic Device (CPLD) is a non-volatile, instantaneously-rewritable digital logic IC that replaces discrete glue-logic gate arrays, address decoders, bus arbiters, and state machines. The MAX 3000A family sits within the broader programmable-logic taxonomy of programmable logic devices (PLDs) -> CPLDs -> EEPROM-based CPLDs -> MAX-family CPLDs. The EPM3032A is the lowest-density member of the family, designed for cost-sensitive glue-logic consolidation in designs where a small FPGA would be over-spec and a discrete logic implementation would consume too much board area. Key features of this part include 32 macrocells, 600 usable gates, 34 user I/O pins (per the 44-pin TQFP variant), 10 ns pin-to-pin combinatorial delay, and a maximum internal operating frequency in the 100+ MHz range. The device supports hot-socketing, meaning it can be inserted into a live backplane without damaging the device or disturbing system operation, which is critical for CompactPCI and VME designs. The non-volatile EEPROM configuration cell removes the need for an external boot PROM, simplifying the BOM. Architecturally, the EPM3032ATC44-10NAB uses a classic Logic Array Block (LAB) structure of 16 macrocells per LAB connected by a programmable interconnect array (PIA). Each macrocell contains a programmable AND/OR register with configurable D/T/JK flip-flops, and a programmable polarity output. The 3.3 V core with MultiVolt I/O gives designers a single 3.3 V supply while still driving 5 V TTL peripherals, eliminating level-translator chips in mixed-voltage designs. Typical applications include bus-interface bridging, address decoding for microprocessor systems, glue-logic consolidation in telecom and industrial control designs, JTAG-driven boundary-scan chains per IEEE 1149.1, and small state-machine replacement. With pin-to-pin delay of 10 ns, the device comfortably meets address-decode and interrupt-acknowledge timing requirements for microcontrollers and embedded processors operating up to 50-60 MHz. When designing with this part, remember that ISP requires all VCCINT and VCCIO pins to be powered, and unused I/O pins should be left floating per the datasheet to minimize inrush current during hot-socketing. This page synthesizes distributor stock levels, drop-in same-package alternatives from the MAX 3000A family, and practical design notes that go beyond the information in the bare manufacturer datasheet, helping engineers source and apply this legacy CPLD with confidence.

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EPM3032ATC44-4 - MAX 3000A CPLD, 32 Macrocells, 44-TQFP | Intel
EPM3032ATC44-4

EPM3032ATC44-4 - MAX 3000A CPLD, 32 Macrocells, 44-TQFP | Intel

The Intel (formerly Altera) EPM3032ATC44-4 is a member of the MAX 3000A family of high-performance, low-cost CMOS EEPROM-based complex programmable logic devices (CPLDs). It integrates 32 macrocells organized into 2 Logic Array Blocks (LABs), provides 34 user I/O pins, and is housed in a 44-pin Thin Quad Flat Pack (TQFP) package. The speed grade suffix "-4" denotes a tPD (pin-to-pin logic delay) of 4.5 ns, making it suitable for medium-speed control and glue-logic applications. What is a CPLD? A Complex Programmable Logic Device (CPLD) is a non-volatile programmable logic device that combines multiple PAL-like macrocell arrays interconnected by a programmable switch matrix. CPLDs sit in the programmable logic hierarchy between simple SPLDs (e.g., classic 22V10 PALs) and FPGAs, offering deterministic timing, instant-on behavior, and 3.3 V in-system programmability via the IEEE 1149.1 JTAG interface. The MAX 3000A family is part of the broader programmable logic category, which falls under the semiconductor device taxonomy. Key features of the EPM3032ATC44-4 include 3.3 V in-system programmability (ISP) through the built-in JTAG interface, MultiVolt I/O supporting 1.8 V, 2.5 V, and 3.3 V mixed-voltage interfacing, 32 macrocells with 100% interconnect, and an open-drain output option per I/O pin for wired-OR control signals. The device supports 1000 erase/program cycles and retains logic for a minimum of 20 years. Architecturally, the EPM3032ATC44-4 uses a non-volatile EEPROM cell to store configuration, enabling instant-on operation without external boot memory. The deterministic interconnect fabric yields predictable, data-sheet-specified propagation delays independent of logic utilization - a key advantage over SRAM-based FPGAs for timing-critical control paths. Typical applications include I/O expansion for microcontrollers and microprocessors, address decoding and bus interface logic, state-machine and glue-logic replacement for legacy 74-series TTL, power-supply sequencing, and industrial control boards requiring deterministic timing. When designing with this device, ensure that the JTAG chain (TDI, TDO, TMS, TCK) is properly terminated and that the 3.3 V core supply rail has decoupling capacitors placed within 5 mm of the VCC pins. This page synthesizes distributor pricing, JTAG-compatible drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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EPM3032ATC44-4N - 32-Macrocell MAX 3000A CPLD, 4.5ns | Intel/Altera
EPM3032ATC44-4N

EPM3032ATC44-4N - 32-Macrocell MAX 3000A CPLD, 4.5ns | Intel/Altera

The Intel (formerly Altera) EPM3032ATC44-4N is a high-performance, non-volatile Complex Programmable Logic Device (CPLD) from the MAX 3000A family, offering 32 macrocells and 34 user I/Os in a 44-pin TQFP package. It is built on the classic Altera MAX architecture with EEPROM configuration memory, allowing unlimited in-system reprogrammability via the built-in IEEE 1149.1 JTAG interface and IEEE 1532 ISP circuitry. The -4 speed grade delivers a worst-case pin-to-pin logic delay of 4.5 ns, supporting system clock rates up to 227.3 MHz, which makes it well-suited for glue-logic, bus decoding, and high-speed control applications. A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic device that combines the deterministic timing of PAL/GAL architecture with higher logic density, typically integrating multiple PAL-like logic blocks (LABs) connected through a programmable interconnect array (PIA). Within the broader programmable logic hierarchy, CPLDs sit below FPGAs in density but above simple SPLDs in capacity, providing instant-on behavior, single-chip non-volatile storage, and predictable timing that is ideal for system boot, address decoding, and interrupt management before an FPGA or ASIC is configured. The MAX 3000A series further adds a 3.3 V core with 5.0 V-tolerant I/O, allowing direct interfacing with mixed-voltage buses. Key features of the EPM3032ATC44-4N include 32 macrocells across 2 logic array blocks, 34 usable I/O pins, 100% interconnect with predictable fixed delays, a built-in boundary-scan (BST) circuit compliant with IEEE 1149.1, and pin-locking capability that preserves pin assignments through design iterations. It supports 5.0 V ISP (in-system programmability) and offers a typical standby current well below 1 mA, enabling low-power always-on designs. In typical applications, the EPM3032ATC44-4N is used as bus decoder and address latch in microcontroller and embedded-processor boards, as a state-machine and sequencer in industrial controllers, and as a glue-logic bridge between incompatible voltage domains or interface standards (PCI, ISA, UART, memory controllers). Designers value the device for its deterministic timing, JTAG-based re-programmability, and the Quartus II design flow that allows rapid development of combinational and sequential logic. When designing with this part, plan for a 3.3 V VCCINT and provide proper JTAG TMS/TCK/TDI/TDO pull-ups; the MAX 3000A series requires a Quartus-supported device programmer or JTAG download cable (such as the ByteBlasterMV) for ISP. Always include decoupling capacitors on every VCC pin and route the global clear (DEV_CLRn) and global OE (DEV_OE) signals carefully to maintain signal integrity at high toggle rates. This page synthesizes distributor pricing, same-family drop-in alternatives such as EPM3032ALC44-4N and EPM3032ATC44-10N, JTAG programming guidance, and practical design notes not consolidated on any single manufacturer or distributor page.

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EPM3032ATC44-7 - 32-Macrocell MAX 3000A CPLD, 7.5ns TQFP-44
EPM3032ATC44-7

EPM3032ATC44-7 - 32-Macrocell MAX 3000A CPLD, 7.5ns TQFP-44

The Intel (formerly Altera) EPM3032ATC44-7 is a member of the MAX 3000A family of Complex Programmable Logic Devices (CPLDs), delivering 32 macrocells, 600 usable gates, and a 7.5 ns pin-to-pin propagation delay in a 44-pin TQFP surface-mount package. Built on a 3.3 V CMOS process, the device provides in-system programmability via IEEE Std. 1149.1 JTAG, an open-drain output option on every I/O, and 34 user I/O pins suitable for 5 V tolerant mixed-voltage interfacing. The part belongs to the MAX 3000A speed grade -7 (the fastest commercial grade for this family) and operates over the 0 °C to +70 °C commercial temperature range. A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic device that implements combinatorial and registered logic using a small number of macrocells organized into logic array blocks (LABs). In the system hierarchy it sits below FPGAs in density (typically tens to a few hundred macrocells) but offers deterministic, single-cycle propagation delay and instant-on behavior without external boot memory, making it ideal for glue logic, bus decoding, interface bridging, and power-up sequencing. MAX 3000A devices are widely used in cost-sensitive industrial and consumer applications where predictable timing matters more than raw logic capacity. Key features of the EPM3032ATC44-7 include 32 macrocells across 2 logic array blocks, a 7.5 ns tPD, a 138.9 MHz internal fCNT, MultiVolt I/O supporting 3.3 V/5 V mixed-voltage operation, JTAG-based in-system programmability (ISP), and IEEE 1149.1 boundary-scan test support. Each I/O pin can be configured as a totem-pole or open-drain output, enabling wire-OR control signaling. The device is supported by the Quartus II design toolchain. Architecture-wise, the MAX 3000A family uses a CMOS EEPROM-based non-volatile fabric, allowing the configuration to be retained without external memory and to begin functioning within microseconds of VCC ramp. The 44-pin TQFP package provides adequate thermal dissipation for typical CPLD power budgets and supports hand-soldered rework. Designers familiar with the legacy MAX 7000 series will find the Quartus design flow and JTAG programming model essentially identical. Typical applications include 5 V-to-3.3 V address/data bus decoding and level shifting in legacy systems, I/O expansion for microcontrollers with limited pin count, FPGA configuration control and power-sequencing logic, glue logic between processors and peripherals, and protocol bridge interfaces (UART, SPI, I2C) in industrial control boards. The wide operating voltage range and deterministic timing make it a strong fit for industrial automation backplanes and factory-floor I/O modules. When designing with this device, ensure that JTAG chain length and TMS/TCK signal integrity are maintained, because ISP reuse of those pins can cause contention if not properly isolated during in-field programming. The device's I/O pins are 5 V-tolerant when VCCIO is set to 3.3 V; care must be taken not to exceed the absolute maximum ratings on any pin. This page synthesizes distributor pricing, parametric comparison, and practical design considerations not found in the bare manufacturer datasheet, making it easier to evaluate the EPM3032ATC44-7 against modern drop-in alternatives.

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EPM3032ATC44-7N - MAX 3000A CPLD, 32 Macrocells, 7.5ns, 44-TQFP
EPM3032ATC44-7N

EPM3032ATC44-7N - MAX 3000A CPLD, 32 Macrocells, 7.5ns, 44-TQFP

The Intel (formerly Altera) EPM3032ATC44-7N is a 3.3V in-system programmable Complex Programmable Logic Device (CPLD) from the MAX 3000A family, featuring 32 macrocells, 34 user I/O pins, and a 7.5ns propagation delay housed in a 44-pin TQFP package. The device delivers 600 usable gates organized into 2 Logic Array Blocks and supports a maximum internal frequency of 138.9 MHz. A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic IC that combines multiple PAL/GAL-like macrocells on a single chip with a programmable interconnect matrix. In the broader taxonomy, the EPM3032ATC44-7N belongs to: CPLD -> programmable logic device (PLD) -> logic IC -> digital semiconductor -> integrated circuit. Unlike SRAM-based FPGAs that require a boot configuration memory, MAX 3000A CPLDs store their configuration in on-chip EEPROM, so they boot instantly with their logic image retained through power cycles. Key features include 3.3V core and I/O operation with multi-voltage I/O support (2.5V, 3.3V, or 5.0V), in-system programmability (ISP) via the IEEE Std. 1149.1 JTAG interface, and CMOS EEPROM-based configuration memory that retains logic without external boot devices. The 7.5ns pin-to-pin delay (tPD) makes this part suitable for glue-logic replacement, address decoding, and bus-interface bridging where deterministic timing is required. Architecturally, the MAX 3000A family uses a classic Logic Array Block (LAB) structure, with each LAB containing 16 macrocells. The 2 LABs in the EPM3032ATC44-7N communicate through a programmable interconnect array (PIA), and each macrocell includes a programmable-AND/fixed-OR array with a flip-flop, supporting both combinatorial and registered logic implementation. MultiVolt I/O pins allow interfacing with 2.5V, 3.3V, or 5.0V peripherals from a single 3.3V supply. Typical applications include bus decoding and address latch replacement, glue-logic integration for ASIC/FPGA systems, I/O expansion for microcontrollers, JTAG-driven boundary-scan implementations, and 5V-to-3.3V level translation. The 34 I/O pins and JTAG ISP capability make it especially attractive for legacy designs and brownfield retrofits. When designing with this part, pay attention to the difference between VCCINT (core supply) and VCCIO (I/O supply) - the device supports mixed-voltage I/O so VCCIO can be set independently. The 7.5ns tPD grade is the slowest in the EPM3032A family; choose a faster -4 or -5 grade part only if timing closure demands it. This page synthesizes distributor pricing, drop-in alternatives from the same MAX 3000A family, and practical design notes not consolidated in the original Altera datasheet, giving engineers a single decision-ready reference.

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EPM3032ATI44-10 - 32-Macrocell 10ns CPLD, 44-TQFP | Intel / Altera
EPM3032ATI44-10

EPM3032ATI44-10 - 32-Macrocell 10ns CPLD, 44-TQFP | Intel / Altera

The Intel / Altera (formerly Altera Corporation) EPM3032ATI44-10 is a member of the MAX 3000A family of high-performance, low-cost CMOS EEPROM-based Complex Programmable Logic Devices (CPLDs) housed in a 44-pin TQFP (plastic Thin Quad Flat Pack) surface-mount package. It provides 32 macrocells, 600 usable gates, and 34 user I/O pins with a maximum propagation delay of 10 ns (corresponding to a maximum internal operating frequency of approximately 103.1 MHz). The device operates from a 3.3 V core supply and is built on a non-volatile EEPROM process technology that retains logic configuration without an external boot PROM. 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 central interconnect matrix. CPLDs sit in the programmable logic hierarchy between simple SPLDs (PAL/GAL) and larger FPGAs, offering deterministic timing, instant-on behavior, and high-drive I/O. The MAX 3000A family was historically Altera's mainstream low-density EEPROM CPLD line, widely used for glue logic, bus bridging, address decoding, and state-machine control. The EPM3032ATI44-10 supports 3.3 V in-system programmability (ISP) via the built-in IEEE Std. 1149.1 (JTAG) interface, and the ISP circuitry is compliant with IEEE Std. 1532 for concurrent multi-vendor programming. Each macrocell contains a programmable AND/OR array with configurable register/bypass modes, a product-term distribution network, and a JTAG-controlled configuration engine. The 34 I/O pins are 5 V-tolerant (with proper PCI-clamp diode handling) and feature individually programmable slew-rate control to balance EMI and switching speed. Typical applications include PCI/LPC bus address decoding, glue logic between microcontrollers and peripherals, board-level configuration registers, custom state machines, and asynchronous interface bridging (for example, between an MCU and an asynchronous SRAM, or between an 8-bit and a 16-bit bus). The instant-on, non-volatile nature of EEPROM configuration makes the EPM3032ATI44-10 attractive for systems that must begin executing deterministic logic within microseconds of power-up, before any processor bootloader runs. When designing with this part, note that the EPM3032ATI44-10 (industrial temperature grade, 'I' suffix) supports the -40 °C to +85 °C range. The 'N' suffix denotes lead-free / Pb-free assembly; the variant without 'N' contains lead and is RoHS non-compliant, which restricts it to legacy or non-EU designs. Designers must apply proper JTAG pull-up resistors on TCK, TMS, TDI and TDO per IEEE 1149.1 to ensure reliable boundary-scan operation, and must provide decoupling on every VCCINT/VCCIO pin pair. This page synthesizes verified distributor stock levels, drop-in MAX 3000A and Xilinx XC9500XL equivalents, parameter-by-parameter comparisons, and practical design notes that go beyond the bare manufacturer datasheet - giving procurement and engineering teams a single source of truth for sourcing and second-sourcing decisions.

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EPM3032ATI44-10N - 600-Gate 32-Macrocell 3.3V CPLD | Intel / Altera
EPM3032ATI44-10N

EPM3032ATI44-10N - 600-Gate 32-Macrocell 3.3V CPLD | Intel / Altera

The Intel (formerly Altera) EPM3032ATI44-10N is a high-performance, low-cost CMOS EEPROM-based Complex Programmable Logic Device (CPLD) from the MAX 3000A family, housed in a 44-pin Thin Quad Flat Pack (TQFP-44) industrial-temperature package with 34 user I/Os, 32 macrocells, and a 10-ns pin-to-pin propagation delay. 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 programmable interconnect fabric. CPLDs sit in the hierarchy between simple SPLDs (PALs/GALs) and larger FPGAs: they offer deterministic timing, instant-on EEPROM configuration, modest logic capacity (hundreds to thousands of gates), and are typically used for glue logic, bus interfacing, state-machine control, and I/O expansion. The MAX 3000A family is the 3.3-V low-cost tier of Altera's MAX architecture. Key features include 600 usable gates, a 103.1 MHz internal counter frequency, 3.3-V core supply with MultiVolt I/O supporting 5.0-V, 3.3-V, and 2.5-V logic interfaces, in-system programmability (ISP) via the built-in IEEE Std. 1149.1 JTAG interface and IEEE Std. 1532 compliance, and hot-socketing support. The 'I' suffix designates the industrial operating temperature range of -40C to +85C. The 10-ns speed grade (tPD = 10 ns) makes this part suitable for general-purpose logic replacement and control applications that do not require the fastest 4.5-ns MAX 3000A grades. The device is fabricated on an EEPROM-based CMOS process, which provides non-volatile configuration memory - the design is retained without an external boot PROM and the device powers up instantly ready to operate. The MAX architecture uses a classic Logic Array Block (LAB) structure with a programmable interconnect matrix (PIA), giving deterministic timing that simplifies static timing analysis compared to FPGAs. Typical applications include board-level glue logic replacement, address decoding and bus interfacing, state-machine and sequencer control, I/O expansion for microcontrollers, LED and display multiplexing drivers, and power-up/power-down sequencing logic. Industrial automation, telecom line cards, and legacy industrial PC peripherals are common end-use markets. When designing with this device, ensure the JTAG chain is correctly ordered if multiple IEEE 1149.1 devices share the same TDI/TDO path, and verify that 5-V-tolerant I/O pins are not driven above 5.25 V absolute maximum even briefly during hot-socketing transients. This page synthesizes distributor stock data, parametric drop-in alternatives within the same TQFP-44 footprint, and practical design notes not consolidated on a single manufacturer datasheet page.

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EPM3032ATI44-7N - MAX 3000A CPLD, 32 Macrocells, 44-TQFP | Altera
EPM3032ATI44-7N

EPM3032ATI44-7N - MAX 3000A CPLD, 32 Macrocells, 44-TQFP | Altera

The Altera (now Intel) EPM3032ATI44-7N is a member of the MAX 3000A family of Complex Programmable Logic Devices (CPLDs) delivering 600 usable gates, 32 macrocells, and a maximum internal operating frequency of 138.9 MHz in a 44-pin TQFP (industrial temperature grade) package. It is fabricated on a 3.3 V CMOS EEPROM process with in-system programmability via the IEEE 1149.1 JTAG interface, providing non-volatile configuration storage that eliminates external boot memory. A Complex Programmable Logic Device (CPLD) is a non-volatile programmable logic IC that combines multiple PAL-like logic blocks (called Logic Array Blocks or macrocells) on a single die, with a programmable interconnect matrix. CPLDs sit in the broader taxonomy: programmable logic -> PLD (programmable logic device) -> CPLD/FPGA -> MAX 3000A family -> MAX 3000A series. They are deterministic, propagate signals with predictable propagation delay (pin-to-pin tPD), and retain configuration without external boot ROM, which differentiates them from SRAM-based FPGAs that require a configuration flash. The EPM3032ATI44-7N provides 32 macrocells, 600 gates, 34 user I/O pins, and an internal frequency of 138.9 MHz, with a worst-case pin-to-pin propagation delay of 7.5 ns (-7 speed grade, where the dash number designates tPD in nanoseconds). Key features include IEEE 1149.1 JTAG support for in-system programming and boundary-scan test, multiVolt I/O that interfaces with 1.8 V, 2.5 V, and 3.3 V logic, and an industrial temperature range of -40C to +85C designated by the "I" in the part number. The architecture combines four Logic Array Blocks (LABs) interconnected by the programmable interconnect array (PIA). Each macrocell contains a programmable AND/OR array, a flip-flop, and an output enable control. The 5 V tolerant I/O pins (when VCCIO is set to 3.3 V) make this device compatible with mixed-voltage legacy systems. The non-volatile EEPROM configuration cell eliminates the need for a separate boot PROM, reducing board area and BOM cost. Typical applications include industrial glue logic replacing discrete 74-series TTL, address decoding in microcontroller or microprocessor systems, state-machine implementation in motor-control and instrumentation, bus-interface bridging (e.g., 8-bit to 16-bit multiplexing), and I/O expansion for legacy designs. Its 138.9 MHz internal frequency and 7.5 ns tPD make it suitable for glue logic operating below ~70 MHz external clock rates. When designing with this device, note that the "A" suffix indicates the 3.3 V MAX 3000A variant (superseding the original 5 V MAX 3000), the "T" in the package code designates the TQFP package, and the "I" indicates the industrial -40C to +85C operating range. Confirm JTAG chain order when cascading with other boundary-scan devices, and respect the VCCIO pin supply for output level selection. This page synthesizes drop-in alternatives, comparison tables, and design considerations not consolidated in the original MAX 3000A datasheet, enabling engineers to quickly evaluate the EPM3032ATI44-7N for both new designs and legacy replacements.

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EPM3064ALC44-10 - 64-Macrocell MAX 3000A CPLD, 10ns, 44-PLCC | Altera
EPM3064ALC44-10

EPM3064ALC44-10 - 64-Macrocell MAX 3000A CPLD, 10ns, 44-PLCC | Altera

The Altera EPM3064ALC44-10 is a 64-macrocell, 1,250-gate Complex Programmable Logic Device (CPLD) from the MAX 3000A family, housed in a 44-pin Plastic Leaded Chip Carrier (PLCC, J-Lead) package. It operates from a single 3.3V supply and offers 10ns pin-to-pin combinatorial delay, with a maximum counter frequency of 192.3 MHz, making it suitable for high-speed glue-logic, interface bridging, and bus decoding tasks. A CPLD (Complex Programmable Logic Device) is a non-volatile, flash- or EEPROM-based programmable logic device that sits hierarchically below FPGAs and above discrete 74-series glue logic. It belongs to the broader category of programmable logic devices (PLDs), which also includes simple PALs, GALs, and high-density FPGAs. CPLDs typically deliver deterministic, sub-nanosecond propagation delays with low power consumption, which makes them ideal for system-level logic integration, address decoding, and I/O expansion in cost-sensitive designs. Key features of the EPM3064ALC44-10 include 64 macrocells organized into 4 Logic Array Blocks (LABs), 34 user I/O pins, 1,250 usable gates, and 4.5ns to 10ns pin-to-pin delay depending on the speed grade. The MAX 3000A architecture is fabricated on a 0.30µm CMOS EEPROM process, providing in-system programmability (ISP) via JTAG (IEEE Std 1149.1). The device also features multiVolt I/O, allowing 5.0V, 3.3V, and 2.5V interface compatibility from the same 3.3V core supply. From an architectural standpoint, the MAX 3000A family uses a classic AND-OR programmable logic array with each macrocell containing a programmable AND array, an XOR gate for polarity control, a configurable flip-flop, and a fast I/O block. The deterministic timing model guarantees the same propagation delay regardless of logic complexity, which is a key differentiator versus microcontrollers and FPGAs that exhibit variable routing delays. Typical applications include industrial control boards, legacy peripheral replacement, address decoding for 8-bit and 16-bit microprocessors, I/O expansion for ASICs and microcontrollers, and glue logic in telecom and networking backplane designs. The 44-pin PLCC package is socket-compatible across speed grades and temperature variants within the same family, allowing easy board-level upgrades. When designing with this device, ensure the 3.3V VCCINT rail has at least 10µF of bulk decoupling plus 0.1µF high-frequency bypass capacitors placed near each VCC/GND pair. The JTAG pins (TDI, TDO, TMS, TCK) should be routed to a 4-pin header for in-system programming. ISP programming via ByteBlaster or compatible download cables is supported through the Altera Quartus design toolchain. This page synthesizes distributor pricing, drop-in alternative listings, and practical design notes for the EPM3064ALC44-10 that are not found in a single place elsewhere on the web.

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EPM3064ALC44-10N - MAX 3000A CPLD, 64 Macrocells, 34 I/O | Intel / Altera
EPM3064ALC44-10N

EPM3064ALC44-10N - MAX 3000A CPLD, 64 Macrocells, 34 I/O | Intel / Altera

The Intel / Altera EPM3064ALC44-10N is a high-performance, low-cost CMOS EEPROM-based Complex Programmable Logic Device (CPLD) from the MAX 3000A family, providing 64 macrocells, 4 Logic Array Blocks, and 34 user I/O pins in a 44-pin PLCC (LC44) package. It operates at 3.3 V core with pin-to-pin delays as fast as 10 ns and counter speeds up to 227.3 MHz, delivering up to 1,250 usable gates. The device is built on advanced CMOS EEPROM technology and supports 3.3-V in-system programmability (ISP) via the built-in IEEE Std. 1149.1 JTAG interface, and is also compliant with the IEEE Std. 1532 concurrent ISP specification for multi-vendor programming. A Complex Programmable Logic Device (CPLD) is a non-volatile, deterministic logic device that combines multiple SPLD-like macrocell arrays on a single die, providing predictable timing, low power consumption, and instant-on behavior due to its EEPROM configuration memory. CPLDs occupy a tier between simple PAL/GAL SPLDs and large FPGAs - they are well suited for glue logic, bus interfacing, state-machine control, and power-up logic that demands deterministic timing and no configuration latency. Within the broader programmable-logic taxonomy, the MAX 3000A family is positioned as an entry-level/low-cost CMOS EEPROM CPLD, predating the flash-based MAX II, MAX V, and MAX 10 families. Key features of the EPM3064ALC44-10N include four user I/O banks, open-drain output option per I/O pin for wired-OR control signalling, programmable output slew-rate control, JTAG boundary-scan test support, and a MultiVolt core that allows mixed-voltage interfacing on the same device. The device operates from a 3.0 V to 3.6 V supply, supports commercial and industrial temperature grades, and integrates clear/preset, clock-enable, and per-macrocell OE control for fine-grained sequential logic implementation. The internal architecture is built around the classic Altera MAX LAB (Logic Array Block) structure, where each LAB contains 16 macrocells fed by a programmable AND array. The EEPROM cell stores the configuration, giving the part zero-power standby and instant-on characteristics - an advantage over SRAM-based FPGAs in cold-start and power-critical applications. Performance is dominated by the 10 ns pin-to-pin tPD and 227.3 MHz counter frequency, sufficient for most glue-logic, address-decoding, and small state-machine tasks. Typical applications include legacy industrial PLC I/O expansion, ISA/PCI bus interface bridging, address decoding and chip-select generation, power-up sequencing for multi-rail systems, and glue-logic replacement for discrete 74-series TTL. Designers commonly choose this part when deterministic timing, instant-on non-volatile configuration, and a low pin count are required. When designing with this device, ensure decoupling with 0.1 µF and 10 µF bulk capacitors placed close to VCC pins; unused I/Os should be configured as outputs driving low or left floating per JTAG chain requirements; and observe the MultiVolt I/O bank VCCIO constraints when mixing 3.3 V and 5 V buses. This page synthesizes distributor pricing, drop-in alternatives (including the Atmel/Microchip ATF1504ASV-15JU44 cross-brand equivalent), and practical design notes not found in the manufacturer datasheet alone.

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EPM3064ALC44-4 - 64 Macrocells, 4.5ns CPLD | Altera (Intel)
EPM3064ALC44-4

EPM3064ALC44-4 - 64 Macrocells, 4.5ns CPLD | Altera (Intel)

The Altera (Intel) EPM3064ALC44-4 is a high-performance, low-cost CMOS EEPROM-based Complex Programmable Logic Device (CPLD) from the MAX 3000A family, delivering 64 macrocells organized in 2 Logic Array Blocks (LABs) with 34 user I/O pins in a 44-pin PLCC (Plastic Leaded Chip Carrier, J-Lead) package. It features a pin-to-pin propagation delay of 4.5 ns, making it suitable for high-speed glue-logic, bus interfacing, and state-machine replacement in industrial and commercial designs. The device supports 3.3-V in-system programmability (ISP) through the built-in IEEE Std. 1149.1 JTAG interface, enabling field upgrades without removing the part from the board. A Complex Programmable Logic Device (CPLD) is a non-volatile programmable logic IC that combines multiple PAL/GAL-like macrocell blocks with a central interconnect matrix. Within the programmable logic hierarchy, the EPM3064 sits at the low-density end, below FPGAs and higher-density CPLDs; it is best understood as a glue-logic and bus-interface replacement IC, distinct from microcontrollers, ASICs, and discrete logic gates. The MAX 3000A architecture supports 2.5-V, 3.3-V, or 5.0-V I/O pin operation via separate VCCINT and VCCIO pins, giving designers flexible interfacing with both legacy 5V and modern 3.3V logic families. Key features include 64 macrocells, 34 I/O pins, 4.5 ns tPD, an internal JTAG-based ISP engine, and EEPROM-based configuration that retains logic without an external boot PROM. The PLCC-44 (J-Lead) package is socket-compatible with industry-standard 44-pin PLCC sockets, easing prototyping and rework on through-hole or socketed boards. Architecture-wise, the EPM3064 uses a CMOS EEPROM process with Altera's classic MAX interconnect matrix, providing predictable timing with deterministic pin-to-pin delays regardless of logic utilization. This makes timing closure straightforward compared to SRAM-based FPGAs that require external configuration memory. Typical applications include bus-interface bridging (e.g., 5V to 3.3V level shifting), address decoding, peripheral chip-select generation, glue logic between microcontrollers and peripherals, and legacy system upgrades. The wide I/O voltage range also suits industrial control, instrumentation, and telecommunications backplane glue. When designing with the EPM3064ALC44-4, use the Altera/Intel Quartus II programmer or legacy MAX+PLUS II toolchain (the device is supported by classic Altera design software). JTAG ISP requires four dedicated pins (TDI, TDO, TMS, TCK) plus a VCCIO reference. Decouple VCCINT and VCCIO with 0.1 uF ceramic capacitors placed close to the pins. This page synthesizes distributor pricing, drop-in pin-compatible alternatives, JTAG programming notes, and design considerations not collected in any single source.

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EPM3064ALC44-4N - 64-Macrocell CPLD, 4.5ns, 44-PLCC | Intel
EPM3064ALC44-4N

EPM3064ALC44-4N - 64-Macrocell CPLD, 4.5ns, 44-PLCC | Intel

The Intel (formerly Altera) EPM3064ALC44-4N is a 64-macrocell, 1.25K-gate CMOS EEPROM-based Complex Programmable Logic Device (CPLD) from the MAX 3000A family, housed in a 44-pin plastic J-lead chip carrier (PLCC) package with a 4.5 ns pin-to-pin logic delay and 222.2 MHz maximum operating frequency. It integrates 2 Logic Array Blocks (LABs) and provides 34 user I/O pins for general-purpose logic integration, glue-logic replacement, and bus-interface bridging in 3.3 V systems. A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic device that contains multiple PAL-like macrocells interconnected through a central programmable interconnect matrix. CPLDs sit hierarchically above simple PLDs (PAL/GAL) and below FPGAs in the programmable logic taxonomy, offering deterministic timing, instant-on operation from on-chip EEPROM, and superior pin-locking for stable board revisions. The MAX 3000A architecture is widely used as low-cost glue logic in industrial, telecom, and consumer designs. Key features include 3.3 V in-system programmability (ISP) via the built-in IEEE Std 1149.1 JTAG interface, MultiVolt I/O supporting 5.0 V, 3.3 V, and 2.5 V logic levels on output and input pins, hot-socketing support for live board insertion, and a 4.5 ns combinatorial propagation delay that enables high-speed state-machine and decoder implementations. The on-chip EEPROM configuration memory eliminates external boot devices and supports thousands of reprogram cycles. The MAX 3000A architecture uses a classic AND-OR sum-of-products structure with 32 macrocells per LAB, sharing a global interconnect for predictable, deterministic timing. Each macrocell contains a programmable flip-flop, product-term selection logic, and a tri-state output buffer. The 64-macrocell device provides roughly 1,250 usable gates - well suited for address decoding, bus arbitration, peripheral control, and small state machines. Typical applications include industrial control boards, telecom line-card glue logic, peripheral interface bridging (e.g., local-bus to ISA, GPIO expansion), printer and storage controller boards, and legacy system maintenance where instant-on non-volatile logic is required without an external boot PROM. When designing with the EPM3064ALC44-4N, ensure the JTAG chain is properly terminated per IEEE 1149.1 and that I/O banks observe the MultiVolt VCCIO supply requirements; mixing 5 V and 3.3 V signals in the same bank without proper VCCIO selection is a common pitfall. This page synthesizes distributor pricing, drop-in alternatives from the MAX 3000A family, and practical JTAG programming guidance not found in the manufacturer datasheet alone.

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EPM3064ALC44-7N - 64-Macrocell MAX 3000A CPLD, 7.5ns, 44-PLCC | Intel / Altera
EPM3064ALC44-7N

EPM3064ALC44-7N - 64-Macrocell MAX 3000A CPLD, 7.5ns, 44-PLCC | Intel / Altera

The Intel (formerly Altera) EPM3064ALC44-7N is a 64-macrocell, 34-I/O CMOS EEPROM-based Complex Programmable Logic Device (CPLD) from the MAX 3000A family, supplied in a 44-pin plastic J-leaded chip carrier (PLCC) package with a 7.5 ns pin-to-pin logic delay. A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic device that sits in the broader taxonomy of digital semiconductors: programmable logic -> logic IC -> integrated circuit. CPLDs combine multiple PAL-like macrocell blocks on a single die with a programmable interconnect matrix, providing deterministic timing, instant-on operation (no external boot PROM required), and in-system programmability (ISP). The MAX 3000A family uses EEPROM configuration cells, so the device retains its logic pattern indefinitely without external memory and supports the IEEE Std 1149.1 JTAG interface for boundary-scan testing and ISP. Key features of the EPM3064ALC44-7N include 1,250 usable gates, 64 macrocells distributed across 2 Logic Array Blocks (LABs), 34 user I/O pins, a maximum toggle frequency around 135 MHz (per family characterization), and a 3.3 V core supply with 5 V-tolerant I/O. The 7.5 ns tPD makes it suitable for glue-logic, interface bridging, and asynchronous state-machine replacement of discrete 74-series TTL/MSI parts. Each macrocell contains a programmable AND/OR array, a flip-flop with selectable clock/enable, and a tri-state output buffer with individually programmable pin functions. Typical applications include bus decoding and address mapping in legacy microcontroller or 8051 systems, I/O expansion and signal conditioning for industrial controllers, replacement of multiple discrete SSI/MSI logic gates (74xx/54xx), power-on sequencing logic, and glue logic between ASICs and standard peripherals. The 44-PLCC footprint is socket-friendly for prototype and production rework. Design with the EPM3064ALC44-7N by writing HDL in the Quartus II/Quartus Prime design suite (legacy MAX+PLUS II is also supported), then programming through the JTAG chain with a ByteBlaster, USB-Blaster, or compatible download cable. Note that the MAX 3000A family is mature and is recommended for new designs only when long-term availability and pin-compatibility with legacy designs matter more than latest-generation features. This page synthesizes distributor pricing, drop-in alternatives drawn from the same MAX 3000A family, and practical design notes not found in the original datasheet.

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EPM3064ALI44-10N - MAX 3000A CPLD 64-Macrocell 44-PLCC | Altera
EPM3064ALI44-10N

EPM3064ALI44-10N - MAX 3000A CPLD 64-Macrocell 44-PLCC | Altera

The Altera EPM3064ALI44-10N is a 64-macrocell, 34-I/O Complex Programmable Logic Device (CPLD) from the legacy MAX 3000A family, housed in a 44-pin Plastic Leaded Chip Carrier (PLCC) package with a -10 speed grade (10 ns pin-to-pin delay) and industrial temperature rating. Built on a low-cost CMOS EEPROM process, this device delivers up to 227.3 MHz counter frequency, 4.5 ns pin-to-pin logic delays on internal paths, and PCI SIG 2.2-compliant timing across the -4, -5, -6, -7, and -10 speed grades for bus-interface glue logic. What is a CPLD? A Complex Programmable Logic Device is a non-volatile, instant-on programmable logic IC that bridges the gap between simple PAL/GAL devices and larger FPGAs. CPLDs use a deterministic macrocell-based architecture with an AND/OR plane followed by flip-flops, providing predictable timing, low power, and single-chip boot operation - ideal for glue logic, bus interfacing, power-up sequencing, and state-machine replacement. A CPLD sits in the device hierarchy as: programmable logic device -> CPLD -> MAX 3000A series -> EPM3064A sub-family -> semiconductor IC. Key features of the EPM3064ALI44-10N include 3.3-V in-system programmability (ISP) through the built-in IEEE Std. 1149.1 JTAG interface, a MultiVolt I/O interface allowing 5.0-V, 3.3-V, and 2.5-V logic-level interoperability from a 3.3-V core, and hot-socketing support that permits the device to be inserted into a live backplane without damaging the IC or disrupting system operation. The CMOS EEPROM configuration memory retains the user's design without an external boot PROM. Typical applications include PCI bus-interface glue logic in legacy industrial PCs, I/O expansion and address decoding for embedded controllers, power-up/power-down sequencing logic, and board-level signal conditioning in telecom and factory-automation systems. Designers choose the EPM3064A series when deterministic timing, instant-on non-volatile configuration, and small pin counts matter more than the high logic density of an FPGA. When designing with this device, ensure that the Quartus II (or MAX+PLUS II) JTAG chain is correctly ordered for ISP. Decoupling: place 0.1 uF capacitors close to each VCC and GND pair on the PLCC socket, and add a 10 uF bulk capacitor on the 3.3-V rail. The PLCC-44 socket allows field replacement, but designers migrating to a TQFP-44 footprint should verify pinout compatibility with the EPM3064ATI44 variant. This page synthesizes distributor pricing, drop-in replacement guidance, and practical design notes not always covered in the legacy Altera datasheet.

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EPM3064AT100-10N - MAX 3000A CPLD, 64 Macrocells, TQFP-100 | Intel
EPM3064AT100-10N

EPM3064AT100-10N - MAX 3000A CPLD, 64 Macrocells, TQFP-100 | Intel

The Intel (Altera) EPM3064AT100-10N is a member of the MAX 3000A family of Complex Programmable Logic Devices (CPLDs), housed in a 100-pin TQFP (T100) package. It integrates 64 macrocells, 1.25K usable gates, and 66 user I/O pins with a 10 ns pin-to-pin logic delay, targeting glue-logic, bus-interface, and state-machine designs in industrial, communications, and consumer systems. A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic device that sits between simple PAL/GAL devices and larger FPGAs in the programmable logic hierarchy: CPLD -> programmable logic -> logic IC -> integrated circuit. MAX 3000A devices use EEPROM-based configuration cells that retain the design without external memory, are powered by a single 3.3 V supply, and are programmed in-system via the IEEE Std. 1149.1 (JTAG) interface with pin-locking. The IEEE Std. 1532-compliant ISP circuitry allows concurrent in-system programming from multiple PLD vendors. Key features of the EPM3064AT100-10N include 64 macrocells organized in 4 Logic Array Blocks (LABs), 66 user I/O pins, 10 ns maximum pin-to-pin delay (commercial grade, -10 speed grade), and a 100 MHz internal performance. The I/O bank operates at 3.3 V with 5.0 V tolerant inputs via clamping diodes, simplifying interfacing to legacy 5 V logic. The non-volatile EEPROM cell technology guarantees zero standby power for the configuration memory. Architecturally, the MAX 3000A family uses a classic AND-OR (sum-of-products) PLA-style fabric with a global interconnect that delivers deterministic, fixed propagation delays independent of routing density. Each macrocell contains a programmable flip-flop with selectable clear, preset, and clock controls, allowing implementation of both combinatorial and registered logic in a single device. Typical applications include I/O expansion and bus bridging, address decoding and glue logic in microcontroller/DSP systems, power-up sequencing controllers, peripheral interface glue (UART, SPI, I2C muxing), and legacy system revision upgrades. Designers value this device for replacing multiple 74-series TTL/CMOS logic packages with a single programmable IC that can be re-engineered via JTAG. When designing, plan JTAG chain ordering carefully and reserve TCK/TMS/TDO/TDI pins on the schematic; the device is not 5 V I/O standard compliant on outputs. For new designs, Intel recommends the modern MAX V family (5 V tolerant, lower power), but the EPM3064AT100-10N remains the canonical drop-in for established MAX 3000A designs. This page consolidates datasheet specifications, distributor pricing, and drop-in alternatives not aggregated on a single manufacturer page.

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EPM3064ATC-100-10N - 64-Macrocell MAX 3000A CPLD, 10ns | Altera
EPM3064ATC-100-10N

EPM3064ATC-100-10N - 64-Macrocell MAX 3000A CPLD, 10ns | Altera

The Altera (Intel) EPM3064ATC-100-10N is a 64-macrocell member of the MAX 3000A family of CMOS EEPROM-based Complex Programmable Logic Devices (CPLDs) housed in a 100-pin TQFP package. It provides 66 user I/O pins, 10 ns pin-to-pin logic delay, and an internal counter frequency of up to 227.3 MHz, while operating from a 3.3 V supply. The IEEE Std. 1532-compliant in-system programmability (ISP) is performed through the built-in IEEE Std. 1149.1 JTAG interface, eliminating the need for an external programmer. A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic IC that combines multiple PAL-like macrocell arrays on a single chip with a programmable interconnect matrix. It sits in the programmable logic hierarchy below FPGAs and above simple SPLDs, providing deterministic timing, fast input-to-output propagation, and instant-on behavior from on-chip EEPROM configuration memory. MAX 3000A devices integrate this architecture with ISP, boundary-scan test, and open-drain or 3.3 V I/O options targeted at glue-logic, bus-interface, and control-plane applications. Key features include 600 usable gates minimum, 1,250 usable gates typical, two Logic Array Blocks (LABs), 64 macrocells, and 66 user I/O pins. The device supports 3.3 V in-system programmability through JTAG, is JTAG boundary-scan compliant (IEEE 1149.1), and includes 4-pin JTAG programming. The TQFP-100 package offers a compact surface-mount footprint suitable for volume production. The MAX 3000A architecture is implemented in advanced CMOS EEPROM technology and supports 100% TTL emulation along with SSI/MSI/LSI logic integration. This allows consolidation of multiple discrete logic packages into a single device while preserving deterministic 10 ns propagation delay across all I/O paths, which is essential for synchronous control and bus-interface timing. Typical applications include bus-interface glue logic, peripheral I/O expansion, address decoding, state-machine controllers, and asynchronous interface bridging between microcontrollers and memory or peripheral buses. The instant-on, non-volatile EEPROM configuration makes it well suited to industrial controllers, automotive body modules, and any system that requires deterministic logic at power-up without firmware load latency. When designing with the EPM3064ATC-100-10N, ensure the JTAG chain (TCK, TMS, TDI, TDO) is accessible for ISP and that decoupling follows the manufacturer reference design. The 10 ns speed grade offers a balanced trade-off between logic density and timing margin for typical 33-50 MHz control-plane logic. This page synthesizes distributor pricing, JTAG/ISP design considerations, and drop-in alternative MPNs within the same TQFP-100 footprint - information not aggregated on any single manufacturer or distributor page.

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EPM3064ATC100-10 - 64-Macrocell MAX 3000A CPLD, 100MHz, TQFP-100 | Altera
EPM3064ATC100-10

EPM3064ATC100-10 - 64-Macrocell MAX 3000A CPLD, 100MHz, TQFP-100 | Altera

The Altera (now Intel) EPM3064ATC100-10 is a 1.25K-gate, 64-macrocell CMOS EEPROM-based Complex Programmable Logic Device (CPLD) from the MAX 3000A family, supplied in a 100-pin TQFP package with a 10ns pin-to-pin propagation delay. It is a 3.3V device with in-system programmability (ISP) compliant to IEEE Std. 1149.1 (JTAG) and IEEE Std. 1532, and provides 34 user I/O pins across two Logic Array Blocks. What is a CPLD? A Complex Programmable Logic Device is a non-volatile, instantly-on programmable logic device that bridges the gap between discrete logic gates and FPGAs. CPLDs use a classic AND/OR PLA architecture with a central global interconnect, providing deterministic 10ns-class propagation delays regardless of logic utilization. The MAX 3000A family represents one of the industry's longest-running CPLD families, prized for low cost, instant-on non-volatile operation, and simple JTAG-based ISP. Key features include 64 macrocells distributed across 2 Logic Array Blocks, 34 I/O pins, 2 global clock signals with optional inversion, 6 or 10 pin- or logic-driven output enable signals, programmable output slew-rate control, and 3.3V core operation with multi-voltage I/O support. The architecture offers predictable timing that simplifies board-level design. The device uses a 5nm-equivalent (per the original MAX process) CMOS EEPROM process for the configuration memory, providing non-volatile storage that retains configuration without external boot devices. MultiVolt I/O supports mixing 1.5V, 1.8V, 2.5V, and 3.3V interfaces on the same device. Typical applications include bus-interface glue logic, address decoding, state-machine control, I/O expansion bridges, and legacy system bring-up. The instant-on nature of the EEPROM-based MAX 3000A makes it ideal for deterministic boot sequencing in telecom, industrial control, and embedded designs. Designers should note that JTAG pins (TCK, TMS, TDI, TDO) must remain accessible for ISP. The 10ns speed grade (the "-10" suffix) represents the slowest (and lowest-cost) tier of the MAX 3064 family; faster -7 and -5 speed grades are available in identical packages. This page synthesizes distributor pricing, drop-in same-package alternatives from the MAX 3000A family, and practical design notes not collected in any single source.

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EPM3064ATC100-10N - MAX 3000A CPLD, 64 Macrocells, 66 I/O | Altera
EPM3064ATC100-10N

EPM3064ATC100-10N - MAX 3000A CPLD, 64 Macrocells, 66 I/O | Altera

The Altera (now Intel) EPM3064ATC100-10N is a high-performance, low-cost CMOS EEPROM-based Complex Programmable Logic Device (CPLD) from the MAX 3000A family, offering 64 macrocells, 66 user I/O pins, and a 10 ns pin-to-pin logic delay in a 100-pin TQFP package. It operates from a 3.3 V supply with 3.3-V in-system programmability (ISP) via the IEEE Std. 1149.1 JTAG interface, plus ISP compliance to IEEE Std. 1532 for multi-vendor concurrent programming. The device is built on the MAX architecture with 2 Logic Array Blocks (LABs) and a non-volatile EEPROM configuration memory, enabling instant-on operation without external boot ROM. A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic device that sits between simple SPLDs/galo PALs and higher-density FPGAs in the programmable logic hierarchy. Within power management and glue-logic designs, CPLDs are typically used for I/O expansion, bus interfacing, address decoding, state-machine control, and power-up sequencing rather than DSP or large data-path processing. The MAX 3000A family is the entry-level EEPROM-based CPLD line from Altera/Intel, characterized by low cost, low static power, deterministic timing, and instant-on capability - making it well-suited for cost-sensitive industrial and consumer designs. Key features of the EPM3064ATC100-10N include 1,250 usable gates, 64 macrocells distributed across 2 LABs, 66 I/O pins, a 10 ns tPD (logic-array block-to-output) propagation delay, and a 5 ns global clock setup time. The device supports MultiVolt I/O, allowing interfacing with 1.8 V, 2.5 V, 3.3 V, and 5 V logic without external level shifters. JTAG boundary-scan test (BST) is built-in, enabling structural test access for production board test and in-field firmware updates. The architecture combines a programmable AND/OR array with a fixed OR array feeding 64 macrocell flip-flops, each with configurable product-term allocation. The on-chip EEPROM configuration cell is rated for a minimum of 100 program/erase cycles, with security bits to protect the design IP from readback. The JTAG controller handles ISP, and the device retains its configuration through power cycles with zero boot latency. Typical applications include I/O expansion and level translation in industrial control boards, address decoding and wait-state generation for legacy microprocessors, glue logic between ASICs and processors in telecom/networking equipment, peripheral controllers (UART, SPI, I2C bridges) in embedded systems, and configuration sequencing for multi-rail FPGA/MCU power-up. When designing with this part, observe the 3.3 V core supply tolerance (3.0 V to 3.6 V), use a low-impedance ground plane under the TQFP package, and route JTAG signals (TCK, TMS, TDI, TDO) with impedance-controlled traces for reliable ISP at production. The 100-pin TQFP requires careful fanout on 4-layer or higher PCBs.

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EPM3064ATC100-10NA - MAX 3000A CPLD, 64 Macrocells, 10ns, TQFP-100 | Intel (Altera)
EPM3064ATC100-10NA

EPM3064ATC100-10NA - MAX 3000A CPLD, 64 Macrocells, 10ns, TQFP-100 | Intel (Altera)

The Intel (formerly Altera) EPM3064ATC100-10NA is a member of the MAX 3000A family of Complex Programmable Logic Devices (CPLDs), delivering 64 macrocells, 66 user I/Os, and a 10 ns pin-to-pin propagation delay in a 100-pin TQFP package. It is a non-volatile, in-system programmable logic device targeted at glue-logic, interface bridging, and bus decoding applications where deterministic timing and instant-on behavior are required. The 'A' suffix denotes the second-generation MAX 3000A architecture with 3.3V core operation, while the '10' speed grade corresponds to a 10 ns tPD. A CPLD (Complex Programmable Logic Device) is a non-volatile programmable logic device that combines multiple PAL-like macrocell blocks with a programmable interconnect matrix. In the broader programmable logic taxonomy, CPLDs sit below FPGAs in density but offer deterministic timing, instant-on from non-volatile storage, and are well-suited for high-speed control logic, address decoding, state-machine implementation, and bus-interface bridging. The MAX 3000A family belongs to the 'low-cost, 3.3V CPLD' tier of Altera's (now Intel PSG) CPLD portfolio and is a derivative of the original MAX 7000 architecture with 3.3V core rails and IEEE 1532 in-system programmability. Key features include 1,250 usable gates, four dedicated input pins with global clock distribution, JTAG (IEEE 1149.1) boundary-scan test support, IEEE 1532-compliant in-system programmability, and MultiVolt I/O supporting 2.5V/3.3V/5.0V mixed-voltage interfacing. The non-volatile EEPROM configuration cells guarantee instant-on operation with no external boot memory. The 100-pin TQFP package is a thin plastic quad flat pack with 0.5 mm lead pitch, suitable for surface-mount assembly in industrial temperature grades (-40C to +85C for the commercial 'C' variant; the 'NA' suffix here denotes the lead-free, industrial-grade order code). The EPM3064ATC100-10NA architecture consists of four Logic Array Blocks (LABs) interconnected by a continuous programmable interconnect array (PIA). Each LAB contains 16 macrocells built around a product-term array, a programmable register, and configurable I/O control. The IEEE 1149.1 JTAG interface provides boundary-scan test capability and supports in-system programming concurrent with normal device operation. Built-in BST (Boundary-Scan Test) circuitry simplifies board-level interconnect testing without external test fixtures. Typical applications include bus decoding and address latching in microcontroller or microprocessor systems, glue-logic replacement for discrete 74-series TTL/CMOS parts, I/O expansion and signal-level translation between 5V and 3.3V domains, state-machine and sequencer implementation for industrial control boards, and power-up/down sequencing logic in multi-rail systems. The instant-on non-volatile configuration is especially valued in safety-critical or deterministic-latency applications where FPGA boot delays are unacceptable. When designing with this device, ensure that the Quartus II (or MAX+PLUS II) toolchain is used for synthesis, fitting, and programming file generation. Decoupling capacitors (0.1 uF ceramic per VCC pin plus bulk) should be placed close to the supply pins. Unused I/O pins should be configured as outputs driving known logic levels to minimize power consumption and switching noise. This page synthesizes distributor stock and pricing data, drop-in same-package alternatives from the MAX 3000A and MAX II families, and practical design notes not duplicated on the manufacturer datasheet.

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EPM3064ATC100-4 - 64-Macrocell CPLD, 4.5ns, 100-TQFP | Altera
EPM3064ATC100-4

EPM3064ATC100-4 - 64-Macrocell CPLD, 4.5ns, 100-TQFP | Altera

The Altera EPM3064ATC100-4 is a 64-macrocell member of the MAX 3000A family of high-performance, low-cost, EEPROM-based Complex Programmable Logic Devices (CPLDs) housed in a 100-pin TQFP package. It delivers 4.5 ns pin-to-pin logic delays, 222.2 MHz (227.3 MHz counter) performance, and approximately 1,250 usable gates with 64 macro cells distributed across 2 Logic Array Blocks (LABs), plus 34 user I/O pins operating at 3.3 V. A CPLD (Complex Programmable Logic Device) is a non-volatile, flash/EEPROM-backed programmable logic device that implements combinational and sequential logic using a sum-of-products architecture organized as macro cells. In the broader hierarchy, the CPLD sits between simple SPLDs/PLDs and FPGAs: it provides deterministic, ultra-fast pin-to-pin timing (often sub-5 ns), instant-on behavior, and high-drive I/O - making it the workhorse for glue logic, bus bridging, and power-up sequencing. The MAX 3000A family is Altera's classic 3.3 V CPLD line, with in-system programmability via IEEE 1149.1 JTAG. Key features include 600-10,000 usable gates, in-system programmability (ISP) through the JTAG interface, MultiVolt I/O supporting 2.5 V, 3.3 V, and 5.0 V mixed-voltage interfacing, and four dedicated input pins for high-speed control signals. The CMOS EEPROM process gives non-volatile configuration with zero standby power, and the TQFP-100 package supports surface-mount manufacturing with standard JEDEC reflow profiles. The device is built on a 5-level Altera MAX architecture with each macro cell containing a programmable AND/OR array, a configurable flip-flop, and fast product-term steering. Programmable interconnect couples the LABs with predictable, deterministic timing - critical for replacing discrete 74LS/74HC glue logic, asynchronous bus bridges, and PWM/timer peripherals that PLLs and microcontrollers cannot easily handle. Typical applications include bus decode and address latching in legacy x86/embedded systems, asynchronous SRAM/Flash glue logic, motor-control PWM and timer replacement, industrial PLC I/O expansion, and power-sequencing networks for multi-rail systems. Its instant-on behavior also suits hot-swap controllers, ISA-to-PCI bridges, and high-drive LED/relay scan matrices. When designing with the EPM3064ATC100-4, allocate at least four pins as JTAG (TCK, TMS, TDI, TDO) plus one TRST, follow Altera's ByteBlaster pinout recommendations, and respect the 3.3 V VCCINT supply. Choose the -4 speed grade for 4.5 ns tPD; slower -7 and -10 grades are pin-compatible for cost-sensitive timing paths. This page synthesizes distributor pricing, same-family drop-in alternatives from the MAX 3000A family, and practical design notes not found in the manufacturer datasheet alone.

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EPM3064ATC100-4N - MAX 3000A CPLD, 64 Macro, 66 I/O, 100-TQFP
EPM3064ATC100-4N

EPM3064ATC100-4N - MAX 3000A CPLD, 64 Macro, 66 I/O, 100-TQFP

The Altera (now Intel) EPM3064ATC100-4N is a member of the MAX 3000A family of high-performance, low-cost CMOS EEPROM-based Complex Programmable Logic Devices (CPLDs). It integrates 64 macro cells and 66 user I/O pins in a 100-pin TQFP package, with a pin-to-pin propagation delay of 4.5 ns and internal counter frequencies up to 222.2 MHz (227.3 MHz per alternate datasheet references). The device operates from a 3.3 V supply and supports in-system programmability (ISP) through the IEEE Std. 1149.1 JTAG interface, with ISP circuitry compliant to IEEE Std. 1532 for concurrent vendor interoperability. A Complex Programmable Logic Device (CPLD) is a non-volatile, instant-on programmable logic device that sits in the broader taxonomy of programmable logic -> PLD -> digital logic IC -> semiconductor. Unlike FPGAs which use SRAM-based configuration, CPLDs retain their configuration in non-volatile EEPROM and wake in microseconds. The MAX architecture partitions logic into Logic Array Blocks (LABs) connected by a programmable interconnect array (PIA), with each macro cell containing a programmable AND/OR array plus a configurable flip-flop - ideal for glue logic, bus interfacing, state-machine and I/O expansion. Key features of the EPM3064ATC100-4N include 1,250 usable gates, 2 Logic Array Blocks, I/O pin-to-pin delay (tPD) of 4.5 ns, and counter frequency up to 222.2 MHz. The device provides user I/O that can be powered from VCCIO at 3.3 V or 2.5 V for mixed-voltage interfacing. It supports commercial (0C to +70C) operating temperature. Built-in JTAG (IEEE 1149.1) plus IEEE 1532 ISP compliance allows programming and re-programming on-board without removing the device. Typical applications include I/O expansion for microcontrollers, address decoding and glue logic in legacy industrial systems, bus interface bridging (5 V tolerant through external resistors), state-machine implementation, and replacement of discrete TTL/CMOS logic in compact PCB designs. Designers also use the EPM3064ATC100-4N for timing control, peripheral chip-select generation, and small DSP-style glue logic. When designing with this part, observe 3.3 V VCC and proper decoupling (0.1 uF per VCC pin plus bulk), use the Quartus II design software (legacy Altera tooling) for fitting and verification, and respect the JTAG chain order when multiple devices share the same TCK/TMS lines. The 100-TQFP package provides manageable routing density and is suitable for hand-reworkable prototypes. The -4N speed grade is the fastest for the EPM3064A in this package, so verify timing closure in Quartus II before commit. This page consolidates distributor pricing, drop-in alternative MPNs, and practical design notes from the MAX 3000A datasheet into a single reference - information that is normally split across the manufacturer datasheet, distributor listings, and legacy application notes.

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EPM3064ATC100-7 - MAX 3000A 64-Macrocell CPLD, 7.5ns, 100-TQFP | Altera
EPM3064ATC100-7

EPM3064ATC100-7 - MAX 3000A 64-Macrocell CPLD, 7.5ns, 100-TQFP | Altera

The Altera (Intel) EPM3064ATC100-7 is a high-performance, low-cost CMOS EEPROM-based Complex Programmable Logic Device (CPLD) from the MAX 3000A family, providing 1,250 usable gates, 64 macrocells, and 2 Logic Array Blocks (LABs) in a 100-pin TQFP package. It operates from a 3.3V core supply with multi-voltage I/O support for 2.5V, 3.3V, and 5.0V interfacing, and the -7 speed grade delivers pin-to-pin propagation delays of 7.5 ns with internal counter frequencies up to 135.1 MHz. 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 fabric. CPLDs sit in the programmable logic hierarchy above simple PLDs and below FPGAs, offering instant-on EEPROM configuration, deterministic timing, and a broad set of I/O - making them ideal for glue-logic, bus-interface, and power-up sequencing tasks where FPGAs would be over-specified and discrete logic would be too bulky. Key features include in-system programmability (ISP) via the built-in IEEE Std. 1149.1 JTAG interface, PCI-SIG PCI Local Bus Specification Revision 2.2 compliance for the -4 through -10 speed grades, JTAG boundary-scan test support, and programmable interconnect with continuous routing. The dual-supply architecture separates VCCINT (internal core supply) from VCCIO (output driver supply) for flexible mixed-voltage system design. The MAX 3000A architecture uses a classic MAX-style LAB interconnect with each macrocell containing a programmable AND/OR array, a flip-flop, and a tri-state output buffer. The non-volatile EEPROM configuration cell ensures the design is retained without external boot memory, supporting instant-on behavior at power-up with no external PROM required. Typical applications include industrial glue logic, address decoding for microprocessor systems, bus-interface bridging (PCI/ISA glue), power-up/power-down sequencing logic, peripheral control logic in factory automation, and replacement of multiple discrete 74-series TTL/CMOS logic ICs. The wide I/O count (66 user I/Os in the 100-pin package) and JTAG ISP enable fast prototyping and field upgrades. When designing with this device, ensure VCCINT is held at 3.3V and VCCIO is set per I/O bank requirements (2.5V or 3.3V; 5.0V tolerance exists on inputs only). Decouple each VCC/VCCIO pin with a 0.1uF ceramic capacitor placed close to the package, and follow Altera's JTAG chain guidelines for ISP programming. This page synthesizes distributor pricing, drop-in alternatives, JTAG/PCI application notes, and verified parametric data not aggregated on a single manufacturer or distributor page.

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EPM3064ATC100-7N - MAX 3000A CPLD, 64 Macrocells, 66 I/O | Altera
EPM3064ATC100-7N

EPM3064ATC100-7N - MAX 3000A CPLD, 64 Macrocells, 66 I/O | Altera

The Altera (Intel) EPM3064ATC100-7N is a high-performance, low-cost CMOS EEPROM-based Complex Programmable Logic Device (CPLD) from the MAX 3000A family, featuring 64 macrocells, 2 Logic Array Blocks (LABs), and 66 user I/O pins in a 100-pin TQFP package. Built on the legacy MAX architecture with 3.3-V in-system programmability (ISP) via the IEEE Std. 1149.1 JTAG interface, this device delivers pin-to-pin propagation delays as fast as 7.5 ns and supports internal counter frequencies up to 166.7 MHz in the -7 speed grade, with usable logic capacity up to 1,250 gates. What is a CPLD? A Complex Programmable Logic Device is a non-volatile programmable logic device that sits between simple PAL/GAL chips and large FPGAs in the programmable logic hierarchy (CPLD -> PLD -> programmable logic -> integrated circuit). CPLDs are characterized by instant-on non-volatile configuration (typically EEPROM or flash), predictable timing with deterministic pin-to-pin delays, and are well suited for glue logic, bus interfacing, state-machine control, and I/O expansion. Unlike SRAM-based FPGAs, CPLDs do not require external boot memory, simplifying board design and shortening time-to-market. Key features include 3.3-V core operation with separate VCCIO banks that can be powered at 3.3 V or 2.5 V for mixed-voltage I/O compatibility, built-in JTAG boundary-scan test (IEEE Std. 1149.1), and ISP compliance with IEEE Std. 1532 for concurrent programming between multiple PLD vendors. The architecture combines a programmable interconnect array, macrocells with configurable registers, and a global routing network, providing up to 10,000 usable gates and predictable timing across operating conditions. The -7 speed grade supports 7.5 ns pin-to-pin delays with 166.7 MHz internal counters, making the part suitable for high-speed bus arbitration, address decoding, and synchronous state-machine applications. The device operates across the standard 0 °C to 70 °C commercial temperature range with 3.3-V VCCINT, while VCCIO flexibility enables interface to 2.5-V downstream logic without external level shifters. Typical applications include industrial control systems, automotive body electronics, telecommunications infrastructure, peripheral interface bridging, and legacy 5-V-to-3.3-V system upgrades where the CPLD absorbs the glue logic. The non-volatile configuration and deterministic timing make it ideal for boot-time-critical tasks such as clock generation reset sequencing and power-rail control. When designing with this device, ensure that the JTAG chain is correctly ordered if multiple devices share TCK/TMS/TDI/TDO, and add 0.1 µF decoupling capacitors adjacent to every VCCINT and VCCIO pin. For high-speed designs, follow Altera application-note guidelines for signal integrity on clock and global clear nets. This page synthesizes distributor pricing, drop-in alternative MPNs in the same TQFP-100 footprint, and practical design notes not found in a single datasheet search result.

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