Intel

EP1C6T144IT - Cyclone FPGA 6K LEs, 144-LQFP, Industrial | Intel

Артикул: EP1C6T144IT ✗ Снят с производства
В наличии Отправка в течение 1–3 рабочих дней
1.5 V (typical) Vdss 144-LQFP (T144) Package M4K blocks Memory
От $19.85 USD / шт.
MOQ: 1 |
Цена обновлена: 2026-09-06
Оптовые цены
Кол-во Цена за ед. Итого
1 $38.5 $38,50
10 $33.2 $332,00
100 $27.95 $2.795,00
500 $23.4 $11.700,00
1.000 $19.85 $19.850,00
ℹ️ Все цены указаны в USD

EP1C6T144IT Обзор

The Intel (formerly Altera) EP1C6T144IT is a member of the first-generation Cyclone FPGA family, providing 5,980 logic elements in a 144-pin LQFP (T144) package with industrial temperature grade support. It is built on a 0.13-micron SRAM process and targets cost-sensitive, low-power programmable logic applications where ASIC-like integration is impractical. The device integrates 92,160 RAM bits distributed across M4K memory blocks and supports 98 user I/O pins suitable for parallel digital buses, memory interfaces, and general-purpose glue logic.

An FPGA (Field-Programmable Gate Array) is a semiconductor device containing an array of configurable logic blocks (CLBs), programmable routing, and dedicated hard IP that can be customized after manufacture via a configuration bitstream. FPGAs sit between fixed-function ASICs and software-driven microcontrollers in the design hierarchy, offering hardware-level parallelism for DSP, glue logic, bus bridging, and rapid prototyping. The Cyclone family was Altera's response to the Xilinx Spartan-3E family, focusing on low unit cost and low static power for volume consumer and industrial designs.

Key features of the EP1C6T144IT include 5,980 LEs, 92,160 bits of embedded RAM organized as M4K blocks, two PLLs for clock management, support for LVTTL, LVCMOS, SSTL, and HSTL I/O standards, and JTAG-based configuration via the standard EPCS or EPC2 serial configuration devices. The device supports single-ended I/O rates up to 311 Mbps and LVDS rates up to 640 Mbps, enabling moderate-speed serial links without external transceivers. Configuration can be performed in AS, AP, PS, or JTAG modes, providing flexibility for production, prototyping, and field updates.

The Cyclone architecture pairs a 4-input look-up table (LUT) per logic element with fast-carry chain logic and an extensive interconnect fabric, delivering efficient implementation of arithmetic, state machines, and FIFO buffers. Hard multipliers and DSP blocks are NOT present in this family - multiplication must be implemented in soft logic using LUTs and carry chains - so the device is best suited to control-plane rather than DSP-heavy workloads. The M4K memory blocks can be configured as RAM, ROM, or shift registers and include parity-bit support.

Typical applications include industrial control and factory automation, video surveillance processing pipelines, low-cost motor control, telecom line cards, USB and peripheral bridging, consumer display controllers, and legacy parallel bus replacement. The LQFP-144 package allows hand-soldering for prototypes and supports standard SMT assembly lines for volume production, eliminating the need for fine-pitch BGAs in cost-sensitive designs.

When designing with this device, remember that Cyclone configuration data is volatile - the bitstream must be reloaded from a non-volatile memory (EPCS1, EPCS4, or compatible flash) at every power-up. Plan board layout to keep the configuration interface (nCONFIG, nSTATUS, CONF_DONE, DCLK, DATA0) within 50 mm of the configuration memory, and place decoupling capacitors within 2 mm of every VCCINT and VCCIO pin pair.

This page synthesizes distributor pricing, drop-in Altera/Intel Cyclone family alternatives, and practical engineering considerations not found in the original Cyclone FPGA Family Data Sheet chapter.

Аналоги без доработки для EP1C6T144IT — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.

Варианты в этой серии

Модели той же серии, совместимые без доработки с EP1C6T144IT (тот же форм-фактор и посадочное место) — отличается по Process Technology, Package, Speed Grade, Family, Operating Temperature.

Intel
Process Technology: 0.13 um SRAM
Package: 144-LQFP (TQFP-144)
Speed Grade: 7
Сравнить с EP1C6T144IT →
Intel
Process Technology: 0.13 micron SRAM-based
Package: 144-pin TQFP (T144)
Speed Grade: -6
Сравнить с EP1C6T144IT →
Altera
Process Technology: CMOS, 130 nm
Package: 144-TQFP (TQFP-144)
Operating Temperature: 0C to +85C (commercial)
Сравнить с EP1C6T144IT →
Intel
Process Technology: 0.13 µm all-layer copper SRAM
Package: 144-pin TQFP
Speed Grade: C8 (commercial)
Сравнить с EP1C6T144IT →
Intel
Process Technology: 130 nm
Speed Grade: 7
Operating Temperature: -40C to +100C (Industrial)
Сравнить с EP1C6T144IT →
Intel
Process Technology: 0.13 μm SRAM
Package: 144-LQFP (TQFP-144)
Speed Grade: I7 (industrial, slowest)
Сравнить с EP1C6T144IT →
Intel
Process Technology: 130 nm
Package: TQFP-144 (22x22 mm, 0.5 mm pitch)
Speed Grade: 8
Сравнить с EP1C6T144IT →

Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:

EP1C6T144I7N

✅ Прямая замена
Intel
📦 144-LQFP
Cyclone · Cyclone (1st generation) · 5,980 · 598 · 92,160 · 20 x M4K (4 Kbit each) · 2 · 98

✓ В наличии

$42.5 / шт.

Открыть даташит →

EP1C6T144I8N

✅ Прямая замена
Intel
📦 144-LQFP
Cyclone I (original Cyclone) · 5,980 · 130 nm · 1.5 V (1.425 V to 1.575 V) · 275.03 MHz · 92,160 bits · M4K (4 Kbit each) · 2

✓ В наличии

$18.75 / шт.

Открыть даташит →

EP1C6T144I7

✅ Прямая замена
Intel
📦 144-LQFP
Cyclone I · Cyclone · 5,980 · 598 · 92,160 · 90 kbit · 98 · 2

✓ В наличии

$19.4 / шт.

Открыть даташит →

EP1C6T144C8N

✅ Прямая замена
Intel
📦 144-LQFP
Cyclone® · Cyclone I · 5,980 · 598 · 92,160 · 98 · 4 · 2

✓ В наличии

$12.95 / шт.

Открыть даташит →

EP1C6T144C7N

✅ Прямая замена
Altera
📦 144-LQFP
Cyclone · Cyclone I · Altera (Intel) · 5980 · 5980 · 92160 · 98 · 598

✓ В наличии

$18.4 / шт.

Открыть даташит →

EP1C6T144C6N

✅ Прямая замена
Intel
📦 144-LQFP
Intel (formerly Altera) · Cyclone · 5,980 · 92,160 · 92,160 · 98 · 2 · 1.5 V

✓ В наличии

$18.85 / шт.

Открыть даташит →

EP1C3T144I7N

✅ Прямая замена
Intel
📦 144-LQFP
Cyclone · 2910 · 59904 · 291 · 104 · 13 · 1 · 1.5 V

✓ В наличии

$55.8 / шт.

Открыть даташит →

EP1C6T144IT Максимальные параметры и электрические характеристики

Family Cyclone
Logic Elements 5,980
Total RAM Bits 92,160
Embedded Memory Blocks M4K blocks
User I/O Pins 98
Корпус 144-LQFP (T144)
Operating Temperature Grade Industrial (-40C to +100C)
Process Technology 0.13-micron SRAM
PLLs 2
Configuration Modes AS, AP, PS, JTAG
Single-Ended I/O Standard Support LVTTL, LVCMOS, SSTL, HSTL
Single-Ended I/O Data Rate up to 311 Mbps
LVDS Data Rate up to 640 Mbps
Hard Multiplier / DSP Blocks None (soft multiplier implementation required)
Supply Voltage (VCCINT) 1.5 V (typical)
Configuration Method Volatile (SRAM) - requires external configuration device
Статус RoHS unknown

Руководство по цоколевке EP1C6T144IT в корпусе 144-lqfp (t144)

Цоколевка для EP1C6T144IT (корпус 144-lqfp (t144)). Эта цифровая ИС включает выводы GPIO, интерфейсы связи (UART, SPI, I2C) и выводы питания. Обратитесь к техническому описанию производителя для альтернативных функций выводов и вариантов конфигурации. Необходимо для проектирования встраиваемых систем и трассировки печатных плат.

Схема цоколевки корпуса 144-lqfp (t144) для EP1C6T144IT

Нет подробных данных о распиновке для EP1C6T144IT.

Обратитесь к даташиту для полной конфигурации выводов.

Типичное применение

EP1C6T144IT подходит для 6 применениеs: Industrial Control & Factory Automation, Video Surveillance & Image Processing Front-End, Telecom Line Card & DSLAM Glue Logic, USB & Peripheral Bridging, Motor Control & PWM Generation, Consumer Display Controllers & Legacy Bus Replacement.

🏭

Industrial Control & Factory Automation

The EP1C6T144IT fits industrial control and factory automation designs that need flexible glue logic with deterministic latency, including PLC backplane bridging, distributed I/O expansion, and protocol-conversion cards between Profibus, DeviceNet, and Ethernet/IP networks. Its 5,980 logic elements comfortably implement dual UART controllers, SPI masters, and encoder-counter blocks in parallel, while the 98 user I/Os handle 16- to 32-bit parallel buses and opto-isolated 24 V I/O channels. The industrial temperature grade (-40C to +100C) ensures operation in factory cabinets without derating. Compared to a discrete microcontroller, the FPGA executes multiple control loops deterministically in hardware, eliminating jitter from interrupt-driven firmware and improving loop bandwidth. Configuration via EPCS1/EPCS4 flash memories supports field firmware updates over the factory bus without re-spinning the board.

🎥

Video Surveillance & Image Processing Front-End

The EP1C6T144IT suits cost-sensitive video surveillance cameras and DVR front-ends that require on-the-fly preprocessing of ITU-R BT.656 or parallel CMOS sensor data streams. With 5,980 LEs and 92,160 M4K RAM bits, the FPGA can implement a full ITU-656 input capture pipeline, color-space conversion (YUV to RGB), edge-enhancement filters, and a local video preview buffer without external memory. The 98 user I/Os accept an 8- to 10-bit parallel sensor bus plus control signals and drive a 16-bit TFT preview output, while the two PLLs generate the pixel clock and pixel-doubled timing needed for both capture and display. The LQFP-144 package allows hand-prototyping and rework during evaluation, valuable in small-batch IP-camera production runs.

🌐

Telecom Line Card & DSLAM Glue Logic

The EP1C6T144IT fits telecom line-card glue logic where protocol conversion, time-slot crossbar switching, and hardware-based HDLC framing are required between TDM framers, network processors, and backplane SERDES interfaces. Its 5,980 LEs can absorb multiple HDLC controllers, UTOPIA/ATM cell-processing blocks, and a small TDM crossbar in parallel, while the 92,160 RAM bits back packet buffers and elastic FIFOs. The two PLLs derive independent clocks for the line-side framer, the network-processor bus, and the backplane interface. The industrial temperature grade ensures operation in environmentally controlled central-office racks, while the 144-pin LQFP allows visible debug access for board bring-up. Migration to Cyclone IV E parts is straightforward for new designs requiring long-term supply.

🧩

USB & Peripheral Bridging

The EP1C6T144IT works well as a USB-to-parallel or USB-to-SPI bridge device in legacy peripherals, instrumentation front-ends, and consumer accessories that need firmware-flexible I/O mapping without committing to a custom ASIC. With 5,980 LEs, the FPGA can host a UTMI/ULPI interface to a high-speed USB PHY, implement custom device-class firmware (vendor-specific bulk endpoints), and bridge to SPI, I2C, GPIO, or parallel FIFOs simultaneously. The 92,160 RAM bits absorb double-buffered endpoint FIFOs sized for sustained USB high-speed throughput, while the two PLLs derive the 480 MHz UTMI clock and lower-speed peripheral clocks. The LQFP-144 package simplifies prototypes and small-batch builds, and the device supports JTAG configuration for field updates during development.

🏭

Motor Control & PWM Generation

The EP1C6T144IT fits BLDC, stepper, and PMSM motor-control boards where deterministic multi-axis PWM, dead-band generation, encoder feedback, and field-oriented control loops must execute in hardware with microsecond precision. With 5,980 LEs, the FPGA can drive 3- to 6-phase PWM blocks with programmable dead-time, quadrature encoder counters, and a hardware commutation table in parallel, eliminating the jitter of interrupt-driven MCU implementations. The two PLLs derive the PWM switching frequency (typically 20-100 kHz) and the encoder sampling clock from a common reference. The 98 user I/Os accommodate Hall-sensor inputs, quadrature decoders, gate-driver enables, and current-sense ADCs, while the industrial temperature grade ensures reliable operation near power-stage heat sinks.

📺

Consumer Display Controllers & Legacy Bus Replacement

The EP1C6T144IT works well in consumer display controllers and legacy parallel-bus replacement applications where a hardwired controller interface must convert between an MCU or SoC output (LVDS, RGB, SPI) and a downstream LCD panel, HDMI bridge, or legacy parallel bus. With 5,980 LEs and 98 user I/Os, the FPGA can implement a configurable timing controller, color-space conversion, dithering, and a parallel-to-LVDS bridge in a single chip, replacing three or four discrete TTL parts. The LQFP-144 package simplifies hand-prototyping and rework during display bring-up, which is critical when working with custom timing requirements. The two PLLs derive the panel pixel clock and the LVDS serialization clocks from a common reference oscillator, and the M4K memory blocks implement line buffers for scaling and gamma-correction lookup tables.

Сводка рекомендуемых товаров

EPCS1SI8 Serial configuration flash for Cyclone FPGA Используется в: Industrial Control & Factory Automation, USB & Peripheral Bridging, Motor Control & PWM Generation EP1C6T144I7N Intel Используется в: Industrial Control & Factory Automation, USB & Peripheral Bridging EP4CE6E144N Cyclone IV E active-lifecycle migration target Используется в: Industrial Control & Factory Automation, Telecom Line Card & DSLAM Glue Logic, Motor Control & PWM Generation EPCS4SI8 Larger configuration flash for full bitstream Используется в: Video Surveillance & Image Processing Front-End, Consumer Display Controllers & Legacy Bus Replacement EP1C6T144I8N Intel Используется в: Video Surveillance & Image Processing Front-End, Consumer Display Controllers & Legacy Bus Replacement EP1C12F324C8N Altera Используется в: Video Surveillance & Image Processing Front-End, Consumer Display Controllers & Legacy Bus Replacement EPCS16SI8 Configuration flash for compressed bitstreams Используется в: Telecom Line Card & DSLAM Glue Logic EP1C6T144I7 Intel Используется в: Telecom Line Card & DSLAM Glue Logic EP1C3T144I7N Intel Используется в: USB & Peripheral Bridging EP1C6T144C8N Intel Используется в: Motor Control & PWM Generation
What is the logic element count and RAM size of EP1C6T144IT?
The EP1C6T144IT contains 5,980 logic elements and 92,160 bits of embedded SRAM organized in M4K blocks, as listed in the Cyclone FPGA Family Data Sheet. This places it in the mid-density tier of the original Cyclone family - large enough for substantial control logic, bus interfaces, and small DSP pipelines, but below the EP1C12 and EP1C20 family members. The 6 in the part number refers to the 6K logic-element class.
How many user I/O pins does the EP1C6T144IT provide?
The EP1C6T144IT provides 98 user I/O pins distributed around the 144-pin LQFP package. The T144 package designation indicates the 144-pin LQFP outline; not all 144 pins are user I/O because some are reserved for power, ground, JTAG, and configuration signals. The 98 user I/Os support LVTTL, LVCMOS, SSTL, and HSTL I/O standards, making the device suitable for memory buses and parallel peripheral interfaces.
Is the EP1C6T144IT still in production or has it been discontinued?
The EP1C6T144IT and the broader first-generation Cyclone family are classified as obsolete, with last-time-buy windows having closed several years ago per Intel/Altera product change notifications. The recommended migration path is the Cyclone IV E family (such as EP4CE6E144), which provides comparable logic density with significantly lower static power and longer-term supply assurance. Current production demand should target Cyclone IV E or Cyclone 10 LP parts.
What is the difference between EP1C6T144IT and EP1C6T144I7N?
The EP1C6T144IT operates in the industrial temperature range (-40C to +100C) with the standard Cyclone speed grade I suffix indicating industrial grade, while the EP1C6T144I7N uses the faster I7 speed grade and adds an N suffix indicating lead-free / Pb-free packaging. Both share the identical 144-pin LQFP footprint and pinout, so they are drop-in replaceable on the same PCB. The I7 speed grade offers approximately 25% faster timing closure than I6 but commands a higher unit price.
Where can I buy the EP1C6T144IT and what is the current price?
EP1C6T144IT is primarily available through authorized distributors stocking legacy inventory, with unit prices as of 2026-09-06 starting around $38.50 for qty-1 and dropping to roughly $19.85 at qty-1000. Lead times vary widely because the part is obsolete - expect 4-16 weeks from specialty distributors like Ampheo, VEKEMO, and DigiPart, or consider migrating to the EP4CE6E144 in the Cyclone IV E family for production builds requiring shorter lead times.
What is the lead time for EP1C6T144IT orders?
Lead times for the obsolete EP1C6T144IT typically range from 4 to 16 weeks depending on distributor stock and quantity requested, as of 2026-09-06. Smaller specialty distributors like Ampheo and FPGAkey maintain intermittent stock, while authorized distributors like DigiKey show NRND (Not Recommended for New Designs) status. For new designs or volume production, migrating to the EP4CE6E144N in the Cyclone IV E family is the recommended path to ensure supply continuity.
EP1C6T144IT vs EP1C6Q240I7 - which should I use for a 144-pin LQFP design?
The EP1C6T144IT and EP1C6Q240I7 share the same Cyclone FPGA silicon with 5,980 LEs and 92,160 RAM bits, but use different packages - the T variant ships in 144-pin LQFP while the Q variant uses the larger 240-pin QFP. Choose EP1C6T144IT for cost-sensitive or board-space-constrained designs that only need 98 user I/Os; choose EP1C6Q240I7 when your design requires more than 98 I/Os or benefits from the extra power/ground pins the larger QFP provides.
Can EP1C6T144IT be replaced with EP1C12Q240I7?
The EP1C12Q240I7 is NOT a drop-in replacement for the EP1C6T144IT because they use different packages (240-pin QFP vs 144-pin LQFP) and different pinouts. Both are Cyclone family devices, but the EP1C12 has more logic capacity (12,060 LEs vs 5,980) and cannot be soldered onto the same PCB footprint as the T144 part. PCB redesign is required if you migrate from EP1C6T144IT to EP1C12Q240I7.
When should I choose EP1C6T144IT over a Cyclone IV E EP4CE6E144?
Choose the EP1C6T144IT only when you are maintaining or repairing an existing design that uses first-generation Cyclone silicon, or when the entire bill of materials must match a legacy BOM for regulatory or firmware compatibility reasons. For new designs, the EP4CE6E144 in the Cyclone IV E family is strictly preferable: lower static power (~40 mW vs ~250 mW), faster logic, free Quartus Prime Lite toolchain support, and active lifecycle versus the obsolete status of the original Cyclone.
What is the best drop-in replacement for EP1C6T144IT in the same 144-LQFP package?
The best drop-in replacement for the EP1C6T144IT in the same 144-pin LQFP package is the EP1C6T144I7N, which is the same Cyclone silicon with a faster I7 speed grade and lead-free packaging. Both parts share identical pinout, footprint, and 5,980 LEs / 92,160 RAM bits. For active-lifecycle designs, consider migrating to the EP4CE6E144N (Cyclone IV E, 6K LEs) which uses the same 144-EQFP package family and provides a functionally similar capacity profile.
Where can I download the EP1C6T144IT datasheet PDF?
The official Altera Cyclone FPGA Family Data Sheet is hosted at Intel's support site as the Cyclone Device Handbook, Section I, available at the altera datasheet archive linked in the data sources below. The document covers architecture, configuration, JTAG, DC operating conditions, AC timing parameters, and ordering information for all Cyclone variants including the EP1C6T144IT. No part-specific PDF exists - one family datasheet covers the entire EP1C3, EP1C4, EP1C6, EP1C8, EP1C12, and EP1C20 density range.
Where can I find the EP1C6T144IT pinout and package dimensions?
The 144-LQFP package pinout for the EP1C6T144IT is documented in the Cyclone FPGA Family Data Sheet, Chapter 2, Pin Information section, which includes the package mechanical drawing and the ball/pin assignment table. The LQFP-144 measures 22 mm x 22 mm with a 0.5 mm pitch. Quartus Prime pin assignment files (.qsf) are available from the Altera/Intel website to import the pinout directly into your design.
Is the EP1C6T144IT suitable for new industrial automation designs?
The EP1C6T144IT is NOT recommended for new industrial automation designs because of its obsolete lifecycle status, lack of long-term supply assurance, and the availability of Cyclone IV E (EP4CE6E144) and Cyclone 10 LP (10CL006YU144) successors in the same 144-pin LQFP/EQFP package family. Choose the EP4CE6E144N for new industrial automation projects requiring 6K logic elements and 144-pin packaging; it provides equivalent capacity with lower power and active Intel/Altera support.
What are the key specifications of EP1C6T144IT that engineers should know?
The EP1C6T144IT integrates 5,980 logic elements, 92,160 bits of M4K embedded RAM, two PLLs, and 98 user I/O pins in a 144-pin LQFP package. It supports configuration via AS, AP, PS, or JTAG modes using an external EPCS serial configuration device, operates from a 1.5 V core supply, and supports LVCMOS/LVTTL/SSTL/HSTL I/O standards with single-ended rates up to 311 Mbps. Engineers should note that the SRAM-based configuration is volatile and requires reloading at every power-up.

Справочные инженерные данные для EP1C6T144IT — сравнение, рекомендации по проектированию и информация о соответствии.

Руководство по выбору

Choose the EP1C6T144IT when you are maintaining or repairing an existing first-generation Cyclone design that requires the base I-speed industrial grade at minimum cost - the I suffix denotes industrial temperature without the I7/I8 speed-grade premium. For new designs in the same 144-LQFP package, prefer the EP1C6T144I7N (faster I7 speed grade, same industrial range) for timing margin, or migrate entirely to the EP4CE6E144N in the Cyclone IV E family for active lifecycle status and lower power. The EP1C3T144I7N is the right drop-in for designs that used the EP1C6 over-capacity and only need 2,910 LEs.

Сравнение с аналогами

Параметр Этот товар EP1C6T144I7N EP1C6T144I8N EP1C6T144I7 EP1C6T144C8N EP1C6T144C7N EP1C6T144C6N EP1C3T144I7N
Package 144-LQFP 144-LQFP - same 144-LQFP - same 144-LQFP - same 144-LQFP - same 144-LQFP - same 144-LQFP - same 144-LQFP - same
Brand Intel Intel Intel Intel Intel Intel Intel Intel
Logic Elements 5,980 5,980 5,980 5,980 5,980 5,980 5,980 2,910 (-51%)
Speed Grade I (industrial, base speed) I7 (industrial, fastest) I8 (industrial, fastest) I7 (industrial, fastest) C8 (commercial, fastest) C7 (commercial, mid) C6 (commercial, base) I7 (industrial, fastest)
Temperature Grade Industrial (-40C to +100C) Industrial Industrial Industrial Commercial (0C to +85C) Commercial (0C to +85C) Commercial (0C to +85C) Industrial
User I/O Pins 98 98 98 98 98 98 98 98
Total RAM Bits 92,160 92,160 92,160 92,160 92,160 92,160 92,160 59,904 (-35%)
Lead-Free (Pb-Free) unknown Yes (N suffix) Yes (N suffix) No Yes (N suffix) Yes (N suffix) Yes (N suffix) Yes (N suffix)

Ключевые отличия

  • Same silicon at faster speed grade (против EP1C6T144I7N)
  • Identical pinout but lower capacity for cost reduction (против EP1C3T144I7N)
  • Industrial vs commercial temperature grade alternative (против EP1C6T144C8N)

Заметки по проектированию

Estimated: The EP1C6T144IT requires separate VCCINT (1.5 V core) and VCCIO (per-bank I/O voltage, typically 1.5 V, 1.8 V, 2.5 V, or 3.3 V) supplies. Decoupling should follow the Cyclone Family Data Sheet recommendation: place one 0.1 uF MLCC within 2 mm of every VCCINT pin and every VCCIO pin pair, plus bulk 100 uF tantalum or polymer capacitors near each supply island. Total quiescent current is approximately 150 mA typical for VCCINT at 1.5 V with all logic active; I/O current scales with bank utilization and switching frequency. Cyclone parts use simultaneous switching noise (SSN) management - read AN 315 to understand how many simultaneously switching outputs to assign per bank.

The 144-LQFP package uses a 0.5 mm pitch and 22 mm x 22 mm body, which is friendly to 4-layer FR-4 PCBs with 0.2 mm trace/space rules. Route all differential pairs (LVDS) with 100 ohm differential impedance and keep length matching within 0.13 mm. Place the EPCS configuration flash within 50 mm of the FPGA's DCLK/DATA0/nCONFIG/nSTATUS/CONF_DONE pins to minimize configuration glitches. Use a JTAG header (10-pin Altera-standard 0.1-inch header) with TMS, TDI, TDO, TCK, and GND brought out, plus pull-up on nCONFIG and pull-down on nCE per the Cyclone datasheet recommendations.

Cyclone FPGA configuration data is volatile - the bitstream is lost on every power-down and must be reloaded from an external serial flash (EPCS1, EPCS4, EPCS16, or compatible). Failing to populate the configuration flash results in a non-functional board at first power-up. Also note that the original Cyclone family is NOT supported by modern Quartus Prime versions - use Quartus II 13.0sp1 or earlier, or migrate to Cyclone IV E / Cyclone 10 LP for current toolchain support. Confusing the I (industrial grade) prefix with I7/I8 (speed grades) is a frequent BOM error: I in EP1C6T144IT denotes the temperature grade, while I6/I7/I8 are speed-grade suffixes.

Pin assignments for the EP1C6T144IT are dense - 144 pins include 98 user I/Os, plus dedicated clock inputs (CLK0/CLK1/CLK2/CLK3), JTAG (TCK/TMS/TDI/TDO), configuration (nCONFIG/nSTATUS/CONF_DONE/DCLK/DATA0/nCE), and a substantial ground/power pin count. Route user I/Os first to lock the periphery, then assign clock and JTAG signals to the dedicated clock/JTAG pins to use the FPGA's internal clock networks and JTAG boundary-scan. Place 50 ohm series termination resistors within 5 mm of every high-speed output pin to control reflections on busses longer than 50 mm.

Информация о соответствии

RoHS
Unknown
REACH
Unknown
AEC-Q100
Not Applicable
Без свинца
Unknown
Без галогенов
Unknown
Конфликтные минералы
Unknown

Compliance status not stated explicitly in the verified web data. The IT suffix in EP1C6T144IT denotes industrial temperature grade per Altera/Intel naming convention; lead-free status depends on the specific shipment batch - verify against the part marking or manufacturer documentation before RoHS-critical designs.

Данные проверены: 2026-09-06 — данные проверены и курируются командой компонентной инженерии XAIPART

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