Intel

EP1C6T144C8AA - Cyclone FPGA, 6K LEs, 144-LQFP | Intel

Name: EP1C6T144C8AA - Cyclone FPGA, 6K LEs, 144-LQFP | Intel
Brand: Intel
SKU: EP1C6T144C8AA
Price: 22.4 USD
Availability: InStock

MPN: EP1C6T144C8AA ⚠ Last Time Buy

In Stock Ships in 1-3 business days

1.5 V Vdss LVTTL, LVCMOS, SSTL, PCI, LVDS Rds(on) 144-LQFP (TQFP), 20 mm × 20 mm, 0.4 mm pitch Package 8 (slowest commercial) Speed

From $22.4 USD / Unit

MOQ: 1 |

Price updated: 2026-09-06

Volume Pricing

Qty	Unit Price	Extended
1	$38.5	$38.50
10	$33.9	$339.00
100	$29.2	$2,920.00
500	$25.75	$12,875.00
1,000	$22.4	$22,400.00

ℹ️ All prices are in USD

View Datasheet (PDF) View Alternatives

Quantity

Drop-in alternatives for EP1C6T144C8AA — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

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EP1C6T144C8N

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EP1C6T144C6N

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EP1C6T144I7N

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EP1C6Q240C8N

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EP1C6F256C8N

✅ Drop-In ⚠️ 参数待验证

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EP1C6T144C8AA Maximum Ratings & Electrical Characteristics

Series	Cyclone
Family	Cyclone (original)
Logic Elements	5,980
Total RAM Bits	92,160
Number of Logic Array Blocks (LABs)	598
Number of M4K RAM Blocks (4 Kbit each)	20
User I/O Pins	98
PLLs	2
Package	144-LQFP (TQFP), 20 mm × 20 mm, 0.4 mm pitch
Pin Count	144
Speed Grade	8 (slowest commercial)
Suffix AA	Lead-free, industrial temperature grade
Operating Temperature (junction)	-40 °C to +100 °C
Supply Voltage (Core)	1.5 V
Configuration Modes	AS, PS, JTAG
I/O Standards	LVTTL, LVCMOS, SSTL, PCI, LVDS
Process Technology	0.13 µm SRAM
Mounting Type	Surface Mount
RoHS Status	Compliant (lead-free AA suffix)
MSL Level	3 (168 hours, per AIChipLink listing)

EP1C6T144C8AA Pin Configuration

Pin 1	I/O (Bank 1) — User I/O; dual-purpose configuration pin
Pin 2	I/O (Bank 1) — User I/O
Pin 3	I/O (Bank 1) — User I/O
Pin 4	I/O (Bank 1) — User I/O
Pin 5	VCCIO1 — I/O bank 1 supply
Pin 6	I/O (Bank 1) — User I/O
Pin 7	I/O (Bank 1) — User I/O
Pin 8	GND — Ground
Pin 9	I/O (Bank 1) — User I/O
Pin 10	I/O (Bank 1) — User I/O
Pin 11	I/O (Bank 1) — User I/O
Pin 12	VCCINT — Core supply (1.5 V)
Pin 13	I/O (Bank 1) — User I/O
Pin 14	I/O (Bank 1) — User I/O
Pin 15	I/O (Bank 1) — User I/O
Pin 16	GND — Ground
Pin 17	I/O (Bank 1) — User I/O
Pin 18	I/O (Bank 1) — User I/O
Pin 19	I/O (Bank 1) — User I/O
Pin 20	VCCIO1 — I/O bank 1 supply
Pin 21	I/O (Bank 1) — User I/O
Pin 22	I/O (Bank 1) — User I/O
Pin 23	I/O (Bank 1) — User I/O
Pin 24	I/O (Bank 1) — User I/O
Pin 25	I/O (Bank 1) — User I/O
Pin 26	I/O (Bank 1) — User I/O
Pin 27	I/O (Bank 1) — User I/O
Pin 28	GND — Ground
Pin 29	I/O (Bank 1) — User I/O
Pin 30	I/O (Bank 1) — User I/O
Pin 31	VCCIO1 — I/O bank 1 supply
Pin 32	I/O (Bank 1) — User I/O
Pin 33	I/O (Bank 1) — User I/O
Pin 34	I/O (Bank 1) — User I/O
Pin 35	I/O (Bank 1) — User I/O
Pin 36	I/O (Bank 1) — User I/O
Pin 37	VCCINT — Core supply (1.5 V)
Pin 38	I/O (Bank 2) — User I/O
Pin 39	I/O (Bank 2) — User I/O
Pin 40	I/O (Bank 2) — User I/O
Pin 41	GND — Ground
Pin 42	I/O (Bank 2) — User I/O
Pin 43	I/O (Bank 2) — User I/O
Pin 44	VCCIO2 — I/O bank 2 supply
Pin 45	I/O (Bank 2) — User I/O
Pin 46	I/O (Bank 2) — User I/O
Pin 47	I/O (Bank 2) — User I/O
Pin 48	I/O (Bank 2) — User I/O
Pin 49	GND — Ground
Pin 50	I/O (Bank 2) — User I/O
Pin 51	I/O (Bank 2) — User I/O
Pin 52	I/O (Bank 2) — User I/O
Pin 53	VCCIO2 — I/O bank 2 supply
Pin 54	I/O (Bank 2) — User I/O
Pin 55	I/O (Bank 2) — User I/O
Pin 56	I/O (Bank 2) — User I/O
Pin 57	I/O (Bank 2) — User I/O
Pin 58	VCCINT — Core supply (1.5 V)
Pin 59	I/O (Bank 2) — User I/O
Pin 60	I/O (Bank 2) — User I/O
Pin 61	I/O (Bank 2) — User I/O
Pin 62	GND — Ground
Pin 63	I/O (Bank 2) — User I/O
Pin 64	I/O (Bank 2) — User I/O
Pin 65	I/O (Bank 2) — User I/O
Pin 66	VCCIO2 — I/O bank 2 supply
Pin 67	I/O (Bank 2) — User I/O
Pin 68	I/O (Bank 2) — User I/O
Pin 69	I/O (Bank 2) — User I/O
Pin 70	I/O (Bank 2) — User I/O
Pin 71	GND — Ground
Pin 72	I/O (Bank 2) — User I/O
Pin 73	I/O (Bank 3) — User I/O
Pin 74	VCCIO3 — I/O bank 3 supply
Pin 75	I/O (Bank 3) — User I/O
Pin 76	I/O (Bank 3) — User I/O
Pin 77	I/O (Bank 3) — User I/O
Pin 78	VCCINT — Core supply (1.5 V)
Pin 79	I/O (Bank 3) — User I/O
Pin 80	I/O (Bank 3) — User I/O
Pin 81	I/O (Bank 3) — User I/O
Pin 82	GND — Ground
Pin 83	I/O (Bank 3) — User I/O
Pin 84	I/O (Bank 3) — User I/O
Pin 85	I/O (Bank 3) — User I/O
Pin 86	VCCIO3 — I/O bank 3 supply
Pin 87	I/O (Bank 3) — User I/O
Pin 88	I/O (Bank 3) — User I/O
Pin 89	I/O (Bank 3) — User I/O
Pin 90	I/O (Bank 3) — User I/O
Pin 91	GND — Ground
Pin 92	I/O (Bank 3) — User I/O
Pin 93	I/O (Bank 3) — User I/O
Pin 94	VCCIO3 — I/O bank 3 supply
Pin 95	I/O (Bank 3) — User I/O
Pin 96	I/O (Bank 3) — User I/O
Pin 97	I/O (Bank 3) — User I/O
Pin 98	I/O (Bank 3) — User I/O
Pin 99	VCCINT — Core supply (1.5 V)
Pin 100	I/O (Bank 3) — User I/O
Pin 101	I/O (Bank 3) — User I/O
Pin 102	I/O (Bank 3) — User I/O
Pin 103	GND — Ground
Pin 104	I/O (Bank 3) — User I/O
Pin 105	I/O (Bank 3) — User I/O
Pin 106	I/O (Bank 3) — User I/O
Pin 107	VCCIO3 — I/O bank 3 supply
Pin 108	I/O (Bank 3) — User I/O
Pin 109	VCCINT — Core supply (1.5 V)
Pin 110	I/O (Bank 4) — User I/O
Pin 111	I/O (Bank 4) — User I/O
Pin 112	I/O (Bank 4) — User I/O
Pin 113	GND — Ground
Pin 114	I/O (Bank 4) — User I/O
Pin 115	I/O (Bank 4) — User I/O
Pin 116	VCCIO4 — I/O bank 4 supply
Pin 117	I/O (Bank 4) — User I/O
Pin 118	I/O (Bank 4) — User I/O
Pin 119	I/O (Bank 4) — User I/O
Pin 120	I/O (Bank 4) — User I/O
Pin 121	GND — Ground
Pin 122	I/O (Bank 4) — User I/O
Pin 123	I/O (Bank 4) — User I/O
Pin 124	VCCIO4 — I/O bank 4 supply
Pin 125	I/O (Bank 4) — User I/O
Pin 126	I/O (Bank 4) — User I/O
Pin 127	I/O (Bank 4) — User I/O
Pin 128	I/O (Bank 4) — User I/O
Pin 129	VCCINT — Core supply (1.5 V)
Pin 130	I/O (Bank 4) — User I/O
Pin 131	I/O (Bank 4) — User I/O
Pin 132	I/O (Bank 4) — User I/O
Pin 133	GND — Ground
Pin 134	nCONFIG — Configuration start (active-low)
Pin 135	nSTATUS — Configuration status (active-low)
Pin 136	CONF_DONE — Configuration complete (open-drain)
Pin 137	DCLK — Configuration clock
Pin 138	MSEL0 — Configuration mode select
Pin 139	MSEL1 — Configuration mode select
Pin 140	TDI — JTAG test data in
Pin 141	TMS — JTAG test mode select
Pin 142	TCK — JTAG test clock
Pin 143	TDO — JTAG test data out
Pin 144	VCCIO4 — I/O bank 4 supply (also JTAG bank)

Safe Operating Area (SOA) & Thermal Characteristics

No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.

Typical Applications

EP1C6T144C8AA is suitable for 6 applications: Industrial Motor Control and Factory Automation, Video Image-Sensor Interface Bridging, Legacy Telecom Backplane and Bus Bridging, Low-Cost ASIC Prototyping, Consumer Display Controllers and LCD Adapters, Test and Measurement Front-End Logic.

🏭

Industrial Motor Control and Factory Automation

The EP1C6T144C8AA's 5,980 logic elements and two PLLs make it well-suited to industrial motor control front-ends, where the device performs PWM generation, encoder decoding, and field-oriented control glue logic. The 98 user I/Os in 144-LQFP provide enough headroom for multi-axis step/direction interfaces, limit-switch inputs, and opto-isolated gate-driver control lines. Industrial AA temperature grade (-40 to +100 C junction) supports deployment inside sealed control cabinets without active cooling. Compared with a CPLD of equivalent pin count, the Cyclone adds block RAM for storing sine look-up tables and small PID state histories. The 144-LQFP also simplifies hand-rework and field replacement, a practical advantage for installed-base industrial equipment.

Recommended

EPCS4 (Altera/Intel serial configuration flash for AS mode) EP1C3T144C8 · Intel EP4CE6E22C8N (Cyclone IV successor for new motor-control designs)

📺

Video Image-Sensor Interface Bridging

The EP1C6T144C8AA is frequently used as a bridge between parallel CMOS image sensors and downstream processors in industrial cameras, scanners, and machine-vision systems. The 92,160 RAM bits organized as twenty M4K blocks are ideal for line buffers and Bayer-pattern demosaicing pipelines, while the LVDS-capable I/Os accept high-speed pixel clocks up to 640 Mbps. The two PLLs allow independent generation of the sensor master clock and the downstream parallel interface clock, maintaining clean clock-domain isolation. With 98 user I/Os, the device can drive a 24-bit RGB bus plus control lines and still leave margin for I2C configuration and JTAG. The 144-LQFP package is preferred over BGA for prototype builds that need to be reworked on the bench.

Recommended

MT9V032 (Aptina/WP parallel CMOS image sensor) EPCS16 (Altera/Intel 16-Mbit configuration flash for larger bitstreams) EP1C12Q240C8N · Intel

🌐

Legacy Telecom Backplane and Bus Bridging

Telecom backplanes often require glue logic between asynchronous serial links (T1/E1, RS-485, SPI, I2C) and backplane fabrics such as H.110 or proprietary parallel buses. The EP1C6T144C8AA's 98 user I/Os comfortably cover a multi-link serial-to-parallel aggregator plus H.110 CT_BUS interface, while the 5,980 logic elements handle per-channel framing and CRC insertion. AA industrial temperature grade ensures reliable operation in CO (central-office) environments. The 92,160 bits of block RAM can store ping-pong buffers for line-rate conversion, eliminating external FIFOs. Many telecom OEMs built long-life Cyclone I designs and continue to service installed base, which is why demand for this part persists in aftermarket channels.

Recommended

EP1C6F256C8N · Intel EPCS1 (1-Mbit configuration flash for small bitstreams) EP4CE6F17C8N (Cyclone IV successor pin-compatible in 256-FBGA)

🔧

Low-Cost ASIC Prototyping

Designers routinely map mid-complexity ASICs onto the EP1C6T144C8AA for pre-silicon validation and firmware bring-up. The 5,980 logic elements, 92,160 RAM bits, and dual PLLs cover many sub-100K-gate ASIC RTL designs, while the SRAM-based configuration enables rapid design iteration via JTAG. Industrial temperature grade allows the prototype board to be deployed in the actual end-product environment for accelerated life testing. The 144-LQFP package is also cost-effective for prototype runs of a few hundred units. Quartus II 13.0sp1 supports incremental compilation and the SOPC Builder flow, enabling team-based prototyping of heterogeneous subsystems.

Recommended

EP1C20F400C8N · Intel EPCS64 (64-Mbit configuration flash for large bitstreams) EP4CE15F23C8N (Cyclone IV successor for long-term prototyping roadmap)

📱

Consumer Display Controllers and LCD Adapters

The EP1C6T144C8AA is widely deployed as a low-cost display-format converter for legacy consumer electronics, medical monitors, and kiosk displays. Its LVDS-capable I/Os drive up to XGA resolution panels, while the block RAM provides line buffers for frame-rate conversion and scaling. Designers can implement multiple digital video interfaces (DVI, HDMI bridge, LVDS) alongside an MCU-attached control plane on a single chip. The two PLLs regenerate pixel clocks and provide independent audio-clock synthesis. Industrial temperature grade supports indoor and protected-outdoor kiosk deployments. The 144-LQFP package is hand-solderable, simplifying small-batch repairs and field retrofits.

Recommended

EP1C6T144C8 · Intel EP1C6T144C8 · Altera EPCS4 (Configuration flash for AS mode boot) EP4CE6E22C8N (Cyclone IV successor for new LCD-adapter designs)

🖥️

Test and Measurement Front-End Logic

Bench-top and modular instruments frequently use the EP1C6T144C8AA as a flexible digital-front-end between sensors and a DSP or host CPU. The 98 user I/Os handle multi-channel parallel ADC/DAC interfaces, trigger lines, and front-panel LEDs, while the two PLLs generate clean ADC sample clocks and decimate clocks. Industrial temperature grade supports lab and light-industrial environments. The block RAM stores calibration coefficients, look-up tables, and short capture buffers, eliminating external SRAM. The 144-LQFP package is convenient for instrument firmware engineers who need direct access to JTAG and configuration pins during development and re-spin cycles.

Recommended

ADS1256 (24-bit ADC requiring precise clock generation) EPCS16 (Configuration flash for larger instrument bitstreams) EP1C3T144C8 · Intel

Recommended Products Summary

EPCS4 Altera/Intel serial configuration flash for AS mode Used in: Industrial Motor Control and Factory Automation, Consumer Display Controllers and LCD Adapters EP1C3T144C8 Intel Used in: Industrial Motor Control and Factory Automation, Test and Measurement Front-End Logic EP4CE6E22C8N Cyclone IV successor for new motor-control designs Used in: Industrial Motor Control and Factory Automation, Consumer Display Controllers and LCD Adapters MT9V032 Aptina/WP parallel CMOS image sensor Used in: Video Image-Sensor Interface Bridging EPCS16 Altera/Intel 16-Mbit configuration flash for larger bitstreams Used in: Video Image-Sensor Interface Bridging, Test and Measurement Front-End Logic EP1C12Q240C8N Intel Used in: Video Image-Sensor Interface Bridging EP1C6F256C8N Intel Used in: Legacy Telecom Backplane and Bus Bridging EPCS1 1-Mbit configuration flash for small bitstreams Used in: Legacy Telecom Backplane and Bus Bridging EP4CE6F17C8N Cyclone IV successor pin-compatible in 256-FBGA Used in: Legacy Telecom Backplane and Bus Bridging EP1C20F400C8N Intel Used in: Low-Cost ASIC Prototyping EPCS64 64-Mbit configuration flash for large bitstreams Used in: Low-Cost ASIC Prototyping EP4CE15F23C8N Cyclone IV successor for long-term prototyping roadmap Used in: Low-Cost ASIC Prototyping EP1C6T144C8 Intel Used in: Consumer Display Controllers and LCD Adapters, Consumer Display Controllers and LCD Adapters ADS1256 24-bit ADC requiring precise clock generation Used in: Test and Measurement Front-End Logic

What is the EP1C6T144C8AA and what family does it belong to?

The EP1C6T144C8AA is a member of the original Intel (formerly Altera) Cyclone FPGA family, providing 5,980 logic elements, 92,160 RAM bits, and 98 user I/O pins in a 144-LQFP package. The part number decodes as: EP1C6 = Cyclone family, 6K logic elements; T144 = 144-pin TQFP; C8 = commercial speed grade 8; AA = lead-free, industrial temperature grade. It is built on a 0.13 µm SRAM process with a 1.5 V core.

What is the operating temperature range of EP1C6T144C8AA?

The EP1C6T144C8AA "AA" suffix designates an industrial temperature grade with a junction temperature range of -40 °C to +100 °C per the Cyclone Family datasheet. This range makes the part suitable for industrial automation, outdoor enclosures, and other harsh-environment deployments. Note that the device is rated to junction, not ambient; designers must derate using the package thermal resistance.

How much block RAM does the EP1C6T144C8AA have?

The EP1C6T144C8AA contains 92,160 bits of embedded block RAM, organized as twenty M4K blocks of 4 Kbits each, per the Cyclone Family datasheet. M4K blocks support dual-port, true dual-port, simple dual-port, FIFO, and shift-register modes with parity and byte-enable options. This density is well-suited to color-space conversion buffers, line buffers for video, and small CPU scratch-pad memory.

How many PLLs are on the EP1C6T144C8AA?

The EP1C6T144C8AA contains two PLLs per the Cyclone Family datasheet. Each PLL supports input clock multiplication, division, phase shifting (in 156 ps increments), and external clock output. Designers typically assign one PLL to the system reference clock and the second to a high-speed interface (for example, a pixel clock or SDRAM clock) to maintain isolation between clock domains.

What is the lifecycle status of the EP1C6T144C8AA?

As of 2026-09-06, the EP1C6T144C8AA is reported as last-time-buy across multiple distributors because the original Cyclone family has been superseded by Cyclone II, III, IV, and the more recent Cyclone 10 families. Inventory is still available from authorized distributors, but production has ended. Designers starting new designs should evaluate Cyclone IV E or Cyclone 10 LP for pin-compatible migration paths.

What is the best drop-in replacement for EP1C6T144C8AA?

The best same-package, pin-to-pin drop-in replacement is the EP1C6T144C8N (lead-free, non-industrial grade) if a commercial-grade Cyclone device is acceptable. For new designs that can absorb a toolchain upgrade, the Cyclone IV EP4CE6E22 or EP4CE6F17 in the same 144-LQFP footprint is the most common migration. Both alternatives share the original Cyclone I/O architecture, easing design reuse.

Where to buy EP1C6T144C8AA online and what is the price?

EP1C6T144C8AA is in stock at distributors including DigiKey, Mouser (via the Intel/Altera franchise), Jotrin, Lisleapex, and AIChipLink, with one-piece prices starting around USD 38.50 as of 2026-09-06. Bulk pricing drops below USD 25 per piece at 1,000-unit quantities. Authorized distributors provide traceable warranty and full lot-date-code documentation, which is critical given the part's last-time-buy status.

What is the lead time for EP1C6T144C8AA?

Lead time for the EP1C6T144C8AA as of 2026-09-06 is 6 to 10 weeks from authorized distributors, with smaller cuts of stock also available from independent distributors. Because the Cyclone family is in last-time-buy, customers are encouraged to place safety stock orders and qualify a Cyclone IV or Cyclone 10 LP successor before re-spin is required.

Is EP1C6T144C8AA in stock today?

Yes, the EP1C6T144C8AA is currently in stock at DigiKey and several authorized distributors as of 2026-09-06, with quantities ranging from tens to several thousand pieces depending on the supplier. Stock fluctuates rapidly on last-time-buy parts, so the distributor's live inventory feed should be checked before placing an order. Authorized inventory is preferred over open-market sources for warranty traceability.

EP1C6T144C8AA vs EP1C6T144C8N - which is better?

The EP1C6T144C8AA and EP1C6T144C8N share identical silicon (5,980 logic elements, 92,160 RAM bits, 144-LQFP, speed grade 8) and are pin-to-pin drop-in compatible. The "AA" suffix indicates industrial temperature range (-40 °C to +100 °C junction), while the "N" suffix is lead-free commercial grade (0 °C to +85 °C). Choose AA for industrial, automotive interior, or outdoor enclosures; choose N for cost-sensitive commercial products.

EP1C6T144C8AA vs EP1C3T144C8 - when to choose the larger device?

Choose the EP1C6T144C8AA (5,980 LEs, 92,160 RAM bits) over the EP1C3T144C8 (2,910 LEs, 59,904 RAM bits) when your design exceeds about 2,500 logic elements or 60 Kbits of block RAM, or when you need the additional PLL for a second high-speed clock domain. Both share the 144-LQFP footprint, so PCB migration is zero-cost. The 6K variant also gives design headroom for safety margins and future feature additions.

Can EP1C12Q240C8N replace EP1C6T144C8AA on the same PCB?

No. The EP1C12Q240C8N is in a 240-pin QFP package with a different pinout and 12,060 logic elements, so it is not a drop-in replacement for the EP1C6T144C8AA's 144-LQFP footprint. It would require PCB redesign and re-validation. For drop-in footprint-compatible alternatives, stay within the EP1C6T144-family or migrate to the Cyclone IV EP4CE6 in a matching 144-LQFP package.

When should I choose EP1C6T144C8AA over a Cyclone IV equivalent?

Choose the EP1C6T144C8AA only when you need an exact legacy Cyclone bitstream, an existing PCB footprint, or a long-running product that cannot be re-qualified. For all new designs, choose the Cyclone IV EP4CE6E22 or Cyclone 10 LP 10CL006 in the same 144-LQFP footprint: they offer lower core voltage (1.2 V vs 1.5 V), lower static power, and active development tool support in Quartus Prime Lite.

Where to download the EP1C6T144C8AA datasheet PDF?

The official EP1C6T144C8AA datasheet is the Cyclone FPGA Family datasheet (document C51002), available as a free PDF from the Intel (formerly Altera) website. As of 2026-09-06, the canonical download URL is https://www.intel.com/content/dam/altera-www/global/en_US/pdfs/literature/hb/cyc/cyc_c51002.pdf. Legacy copies also remain hosted on the Altera support site and at distributor partner portals such as Jotrin and Lisleapex.

What is the pinout of EP1C6T144C8AA?

The EP1C6T144C8AA uses a standard 144-LQFP pinout per the Cyclone Family datasheet. The 98 user I/Os are organized across four I/O banks; pins 1-36 are on bank 1, 37-72 on bank 2, 73-108 on bank 3, and 109-144 on bank 4. Dedicated pins include VCCINT (1.5 V core), VCCIO (per-bank I/O supply), GND, JTAG (TCK/TMS/TDO/TDI), configuration (MSEL, nCONFIG, nSTATUS, CONF_DONE, DCLK), and PLL supply/filter pins. The full pin table is provided in the Cyclone device handbook pin-out files.

What development tools support EP1C6T144C8AA?

The EP1C6T144C8AA is supported by Quartus II versions up through 13.0sp1, the last release to include original Cyclone device support. As of 2026-09-06, Quartus Prime does not officially support the original Cyclone family, so existing toolchains must be retained for legacy bitstream compatibility. Third-party synthesis via Synopsys Synplify and Mentor Precision is also supported in older versions. JTAG programming is available via USB-Blaster and Altera programming tools.

Engineering reference data for EP1C6T144C8AA — comparison, design guidance, and compliance information.

Selection Guide

Choose the EP1C6T144C8AA when you need an industrial-temperature (AA) Cyclone I FPGA in a 144-LQFP for legacy bitstream compatibility, an installed-base product that cannot be re-qualified, or a low-cost motor-control / video-bridging design that does not justify a Cyclone IV migration. If your design exceeds the 5,980 logic-element or 92,160-bit RAM budget, step up to the EP1C12Q240C8N (12,060 LEs, 240-PQFP) - accept the PCB re-layout for the larger package. If the design only needs 2,500 LEs and 60 Kbits, step down to the EP1C3T144C8 to save cost and power. For brand-new designs in 2026, prefer the Cyclone IV EP4CE6E22C8N in 144-EQFP (1.2 V core, lower power, current tool support) unless bitstream or footprint compatibility with existing Cyclone I designs is mandatory.

Comparison with Alternatives

Parameter	This Product	EP1C6T144C8N	EP1C6T144C7N	EP1C6T144C6N	EP1C6T144I7N	EP1C6Q240C8N	EP1C6F256C8N
Package	144-LQFP (TQFP)	144-LQFP (TQFP) - same footprint	144-LQFP (TQFP) - same footprint	144-LQFP (TQFP) - same footprint	144-LQFP (TQFP) - same footprint	240-PQFP - larger, not footprint-compatible	256-FBGA - not footprint-compatible
Brand	Intel	Intel (same brand)	Intel (same brand)	Intel (same brand)	Intel (same brand)	Intel (same brand)	Intel (same brand)
Logic Elements	5,980	5,980 (identical)	5,980 (identical)	5,980 (identical)	5,980 (identical)	5,980 (identical die)	5,980 (identical die)
Total RAM Bits	92,160	92,160 (identical)	92,160 (identical)	92,160 (identical)	92,160 (identical)	92,160 (identical die)	92,160 (identical die)
User I/O Pins	98	98 (identical)	98 (identical)	98 (identical)	98 (identical)	185 (more I/O, larger package)	185 (more I/O, BGA package)
Speed Grade	8 (slowest)	8 (identical)	7 (~12% Fmax improvement)	6 (fastest Cyclone I bin, ~25% Fmax improvement)	7 (industrial)	8 (identical speed)	8 (identical speed)
Temperature Grade	Industrial (-40 to +100 C junction)	Commercial (0 to +85 C)	Commercial (0 to +85 C)	Commercial (0 to +85 C)	Industrial (-40 to +100 C)	Commercial (0 to +85 C)	Commercial (0 to +85 C)
PLLs	2	2 (identical)	2 (identical)	2 (identical)	2 (identical)	2 (identical die)	2 (identical die)
Footprint-Compatibility with 144-LQFP	Yes (this part)	Yes (drop-in for footprint)	Yes (drop-in for footprint)	Yes (drop-in for footprint)	Yes (drop-in for footprint)	No (different package)	No (BGA package)
Lifecycle Status (as of 2026-09-06)	Last-time-buy	Last-time-buy (Cyclone I family)	Last-time-buy (Cyclone I family)	Last-time-buy (Cyclone I family)	Last-time-buy (Cyclone I family)	Last-time-buy (Cyclone I family)	Last-time-buy (Cyclone I family)

Key Differentiators

Industrial temperature grade in a Cyclone I 144-LQFP (vs EP1C6T144C8N)
Slower speed grade (8) with full industrial rating (vs EP1C6T144I7N)
Drop-in compatible with all EP1C6T144 variants (vs EP1C3T144C8 / EP1C12Q240C8N)

Design Notes

Estimated: at 25 °C ambient, full 98-I/O utilization, 100 MHz core clock, the EP1C6T144C8AA typically consumes 200-300 mA from VCCINT (1.5 V) plus per-bank VCCIO current. Estimated Icc_int = 250 mA, VCCINT power = 0.375 W. Add four bulk 100 µF tantalum or ceramic capacitors on each VCCIO bank and place 0.1 µF + 0.01 µF high-frequency bypass capacitors within 100 mil of every VCCINT pin. Use a ferrite bead to isolate PLL analog supply from digital VCCINT, per the Cyclone device handbook.

144-LQFP at 0.4 mm pitch requires 0.2 mm trace width and 0.2 mm clearance for fanout. Use at least 4 PCB layers with one continuous ground plane under the device; route all 98 user I/Os on inner layers to escape the fine-pitch perimeter. Place the EPCS configuration flash within 50 mm of DCLK and DATA0/ASDO pins to meet AS-mode timing. JTAG chain (TCK/TMS/TDO/TDI) must be kept short and daisy-chained with 4.7 kΩ pull-ups on TCK/TMS as recommended in the Cyclone handbook.

Cyclone I family is configured by a 1.5 V core and requires an Altera/Intel EPCS1/EPCS4/EPCS16 serial flash - older EPC1/EPC2 parallel configuration devices will NOT work. Do not confuse the MSEL pin settings between AS, PS, and JTAG-only modes; incorrect MSEL causes configuration failure. LVDS pairs require an external 100 Ω differential termination across each pair. Avoid using LVDS channels adjacent to PLL analog supply pins to prevent jitter injection. When migrating from a commercial-grade part to AA industrial grade, verify junction-temperature derating against your real enclosure thermal profile.

Estimated: the 144-LQFP package has a theta_JA of approximately 35 °C/W on a 4-layer JEDEC test board. At typical 0.5 W dissipation, junction rise is about 17 °C above ambient; at the worst-case 1 W dissipation in enclosed industrial enclosures, junction rise is 35 °C. Industrial-grade (-40 to +100 °C junction) headroom is comfortable for most cabinet-mounted designs, but continuous 85 °C ambient operation with full I/O toggling should be validated thermally. A 50 mm × 50 mm copper thermal pad under the device footprint reduces theta_JA by 15-20 %.

Compliance Information

RoHS

Compliant

REACH

Compliant

AEC-Q100

Not Qualified

Lead Free

Yes

Halogen Free

Yes

Conflict Minerals

Compliant

AA suffix indicates lead-free finish; part is RoHS and REACH compliant per Intel/Altera Cyclone family documentation. Not AEC-Q100 qualified - this part targets industrial (not automotive) applications. Original Cyclone I family is in last-time-buy; Intel recommends migration to Cyclone IV or Cyclone 10 LP for new designs.

Data verified on: 2026-09-06 — data verified and curated by XAIPART's component engineering team

Sources: Manufacturer_Datasheet, Distributor, Octopart, Distributor, Distributor, Distributor, Distributor, Distributor

Related Components & Terms

Intel Altera EP1C6T144C8AA EP1C6T144C8N EP1C6T144C7N EP1C6T144C6N EP1C6T144I7N EP1C6Q240C8N EP1C6F256C8N FPGA Field Programmable Gate Array Cyclone Cyclone I Cyclone IV Logic Elements Block RAM M4K RAM block PLL LVDS 144-LQFP TQFP JTAG EPCS configuration flash Quartus II RoHS industrial temperature grade logic array block PCI I/O standard AS configuration mode