Overview
The EPM7256AETC144-10N is a member of Intel's (formerly Altera) MAX 7000 family of programmable logic devices (PLDs). Designed for high-performance digital logic applications, it integrates 256 macrocells and operates with a 10ns pin-to-pin delay, making it suitable for timing-critical designs. The device is housed in a 144-pin thin quad flat package (TQFP), offering a balance of density and manufacturability. As a CMOS-based PLD, it combines low power consumption with high noise immunity, typical of the MAX 7000 series. It supports in-system programmability (ISP), allowing firmware updates without physical removal from the circuit board. This feature is particularly valuable in industrial and telecommunications equipment where downtime must be minimized.
Structure and Working Principle
The EPM7256AETC144-10N architecture consists of a matrix of programmable logic blocks (macrocells) interconnected via a programmable routing array. Each macrocell contains programmable AND/OR logic and a configurable flip-flop, enabling implementation of combinatorial or sequential logic. The device's 10ns speed grade refers to its maximum propagation delay between any input and output pin. Power is supplied at either 3.3V or 5V, with the exact voltage depending on the specific variant. The PLD is configured via JTAG interface using industry-standard programming tools. Once programmed, the device retains its configuration in non-volatile EEPROM cells, allowing instant operation upon power-up without external configuration memory.
Key Features
With 256 macrocells, the EPM7256AETC144-10N provides substantial logic capacity for medium-complexity designs. The 10ns speed grade makes it suitable for systems requiring fast response times, such as real-time control interfaces or data path management. The 144-pin TQFP package offers a compact footprint while maintaining adequate I/O count for most applications. The device's in-system programmability (ISP) enables field upgrades, a critical feature for maintaining deployed systems. It also includes advanced features like programmable slew rate control and individual output enable per pin. Power consumption is optimized through programmable power-saving modes, making it suitable for battery-powered or energy-sensitive applications where traditional FPGAs might be excessive.
Application Areas
Industrial control systems frequently employ the EPM7256AETC144-10N for machine control logic, I/O expansion, and protocol bridging. Its deterministic timing and reliability make it ideal for factory automation equipment. In telecommunications, it serves in signal conditioning, interface conversion, and minor packet processing tasks. Embedded systems designers use this PLD for glue logic consolidation, reducing board space versus discrete logic ICs. Common implementations include address decoding, bus interfacing, and state machine control in microcontroller-based designs. The device's moderate capacity and speed strike a balance between cost and performance for these applications, often serving as a more economical alternative to larger FPGAs when full programmability isn't required.
Maintenance and Precautions
Being a solid-state device, the EPM7256AETC144-10N requires minimal maintenance once properly installed. However, standard ESD precautions must be observed during handling and installation to prevent damage to the CMOS circuitry. Designers should ensure power supply decoupling follows manufacturer recommendations to avoid voltage spikes that could corrupt the device's configuration. For long-term reliability, operating temperature should remain within the specified commercial (0°C to +70°C) or industrial (-40°C to +85°C) range, depending on the ordered variant. When performing in-system programming, ensure the target board's power supply is stable and free from noise that might interfere with the JTAG communication protocol. Regularly back up configuration files as reprogramming may be needed if the EEPROM experiences rare bit errors over extended operation periods.
B2B Procurement Guide
When procuring EPM7256AETC144-10N devices, verify the exact part number including speed grade (-10N) and package (TC144) to ensure compatibility with existing designs. Lead times can vary significantly; for legacy PLDs, consider authorized distributors with proven inventory or explore manufacturer-direct options for large volume orders. Pricing typically ranges from $15-$30 per unit in small quantities, with discounts available for reel packaging or bulk purchases. Evaluate suppliers based on authenticity guarantees—counterfeit PLDs are a known industry issue. For prototyping or small batches, consider purchasing pre-programmed samples to validate functionality before committing to production quantities. Always request current RoHS compliance documentation, as environmental regulations may affect material composition in newer manufacturing lots.
Related Manufacturers
- 主营：集成电路、IC、MCU单片机、赛灵思、模块、凌特、飞思卡尔、德州
- 主营：放大器、检测器、滤波器、sta2500dc、调制器、发射器、接收器、衰减器、解调器、变压器、合成器、收发器、偏置器、振荡器、tda7708str、rfid天线、终端负载、隔直流器、微波射频、集成电路、同轴开关、接入监控ic、频率综合器、便携式仪器、mcl电子开关
- 主营：单片机、可编程逻辑器件、RENESAS瑞萨、数据转换芯片、恩智浦、数字信号处理器、中科芯、接口芯片、TI德州仪器、存储芯片、赛灵思、ADI亚德诺、电源芯片、国产芯片
- 主营：微控制器、集成电路、电子元件、isplsi1032-60lt、isplsi1032-80lt、isplsi1024ea-125lt100、军工电子元器件、可编程逻辑器件、FPGA芯片、HOLT集成电路、可编程芯片、可编程逻辑器件芯片、电子元器件、25+ 集成电路、晶体谐振器、英伟达集成电路、显卡芯片、VICOR电源模块、嵌入式可编程逻辑芯片、数字信号隔离模块、MCU处理器芯片、通信接收器、GPU供电电源模块、SMD封装驱动器芯片
- 主营：芯片、集成电路、FPGA、微控制器、连接器、电源控制器、监控电路、隔离模块、电源管理芯片、动态随机存储器、现场可编程门阵列、钽质电容器、电阻、时钟缓冲器、模数转换器、均衡器、稳压器、数字信号处理器、高速运算放大器
- 主营：闪光灯、j3y贴片、缓冲器、封装smd、放大器、芯片门、i2c接口、解码器、sop8dc-dc、线性稳、照明灯、bk2535q32、稳压器、1n5819dip、封装bga、控制器、to-220-3n、连接器、合成器、dsep8-12a、to-252mos、smd电阻、sot-323-5、nau8814yg、快充车
- 主营：电子元器件、芯片、集成电路、mos管、电源模块、单片机、汽车芯片、IGBT管、串口拓展芯片、电源管理芯片、存储芯片、存储ic、ic、二极管、三极管、晶体管、GPU、电源芯片、驱动ic、车规芯片、NXP芯片、TI芯片、ADI芯片、元器件配单、bom表配单
- 主营：max515esa、max308epe、imp705cua、板贴片、m451vg6ae、pcb主板、m482kidae、epc8qi100、hdla-1414、db255ac-2、tcd1209dg、m452rg6ae、保险丝、saa7135hl、fsa2367mt、opa2350ua、imp803ima、tfp410pap、hdlg-1414、hfp50onog、stspin233、cy203810c、sh71302ld、tps2042ad、cy2308sxc
- 主营：数字信号IC、NANR闪存、射频晶体管、微控制器-MCU、开关IC、放大器IC、电源管理IC、接口IC、存储器IC、滤波器、电阻器、电容器、集成电路 IC、时钟与定时Ic、驱动器IC、射频放大器IC、以太网 IC、RF 开关 IC、模数转换器-ADC
- 主营：集成电路IC、芯片代理、可编程逻辑器件、进口军工IC、国产军工IC、IGBT模块、陀螺仪、可控硅模块、停产IC、三星代理、芯片原厂渠道
- 主营：acpm-5308、assr-303c、rf5216asr、assr-4110、rf1147tr7、gp712kxbg、acpl-785j、hdns-2200、rf7412tr7、acml-7400、hdsp-0762、hdsp-0760、ep900dc-3、ep900dc-2、封装bga、acpm-7788、a217-56ae、rf7255tr7、hdsp-h103、hdsp-h101、rf3827tr7、acpl-847v、rf7302tr7、acpm-8817、afem-7814
- 主营：单片机、IC、RENESAS、继电器、ADI、ST、TDK、CRYDOM、ON、三极管
- 主营：adg202atq、ad688arwz、ad7579jpz、ad9773bsv、ad1991asv、ad7606bst、aduc848bs、ad5312brm、ad7495arz、ad7938bsu、adm401bst、ad5308bru、ad9266ast、ad7760bvs、adsst8014、adv7170ks、ad6421ast、adm232lan、msc1212y5、ad7490bru、ad9945kcp、ad7825brz、ad9051brs、tps1100dr、l99dz70xp
- 主营：ADI、阿尔特拉、赛普拉斯、赛灵思
- 主营：电子元器件