Altera
EP1C6T144C7N - Cyclone 5980-Cell FPGA, 1.5V, 144-TQFP | Altera
MPN: EP1C6T144C7N ✓ Hoạt động
1.5 V Vdss
144-TQFP (TQFP-144) Package
320 MHz Speed
MOQ: 1 |
EP1C6T144C7N Tóm tắt
The Altera (Intel) EP1C6T144C7N is a Cyclone-series Field Programmable Gate Array (FPGA) with 5980 logic cells, 92160 bits of embedded SRAM, and 98 user I/Os, housed in a 144-pin TQFP (Thin Quad Flat Pack) package measuring 22x22 mm with 0.5 mm pitch. The device is fabricated on a 1.5V CMOS process and operates at a maximum internal frequency of approximately 320 MHz, making it well suited for cost-sensitive digital logic, glue logic, and parallel processing applications.
A Field Programmable Gate Array (FPGA) is a semiconductor device built around an array of configurable logic blocks (CLBs), programmable interconnect, and I/O cells. Unlike an ASIC, an FPGA's function is defined by a user-supplied bitstream loaded into on-chip SRAM configuration memory. The Cyclone family occupies the low-cost, high-volume segment of the FPGA hierarchy (FPGA -> programmable logic -> programmable logic device -> semiconductor) and is commonly used as a bridge between discrete logic and higher-density FPGAs such as Stratix.
Key features of the EP1C6T144C7N include 5980 logic elements, 5980 CLBs (equivalent to 1 logic array block per 10 LEs), 20 M4K RAM blocks providing 92160 bits of embedded memory, two PLLs for clock management, and LVTTL/LVCMOS/PCI I/O support with hot-socketing capability. The device supports configuration via passive serial (PS), active serial (AS), and JTAG modes, and offers low-power operation compared to earlier SRAM FPGAs. The TQFP-144 package is lead-free and RoHS compliant.
Architecturally, the EP1C6T144C7N is built on a 130 nm SRAM-based CMOS process with a Look-Up Table (LUT)-based logic fabric and a hierarchical interconnect routing architecture. Each Logic Element (LE) contains a 4-input LUT, a programmable register, and carry chain logic for arithmetic functions. The M4K memory blocks can be configured as RAM, ROM, or FIFO and support true dual-port operation, enabling efficient data buffering in DSP and communications pipelines.
Typical applications include digital signal processing front-ends, industrial control and motor control logic, telecommunications interface bridges, video processing pipelines, prototype ASIC emulation, and embedded coprocessors in microcontroller-plus-FPGA designs. The combination of moderate logic density, abundant I/O, and low unit cost also makes it attractive for educational platforms and low-volume production.
When designing with the EP1C6T144C7N, ensure clean 1.5V core and 3.3V I/O power rail decoupling, with multiple bulk and high-frequency ceramic capacitors placed close to the package pins. Use the Altera Quartus II design suite for synthesis, place-and-route, and bitstream generation. Verify JTAG chain integrity before attempting configuration and observe the device's configuration setup and hold timing for the chosen mode.
This page synthesizes verified distributor pricing, same-package drop-in alternatives from the Cyclone I family, and practical design notes not consolidated in the manufacturer datasheet.
A Field Programmable Gate Array (FPGA) is a semiconductor device built around an array of configurable logic blocks (CLBs), programmable interconnect, and I/O cells. Unlike an ASIC, an FPGA's function is defined by a user-supplied bitstream loaded into on-chip SRAM configuration memory. The Cyclone family occupies the low-cost, high-volume segment of the FPGA hierarchy (FPGA -> programmable logic -> programmable logic device -> semiconductor) and is commonly used as a bridge between discrete logic and higher-density FPGAs such as Stratix.
Key features of the EP1C6T144C7N include 5980 logic elements, 5980 CLBs (equivalent to 1 logic array block per 10 LEs), 20 M4K RAM blocks providing 92160 bits of embedded memory, two PLLs for clock management, and LVTTL/LVCMOS/PCI I/O support with hot-socketing capability. The device supports configuration via passive serial (PS), active serial (AS), and JTAG modes, and offers low-power operation compared to earlier SRAM FPGAs. The TQFP-144 package is lead-free and RoHS compliant.
Architecturally, the EP1C6T144C7N is built on a 130 nm SRAM-based CMOS process with a Look-Up Table (LUT)-based logic fabric and a hierarchical interconnect routing architecture. Each Logic Element (LE) contains a 4-input LUT, a programmable register, and carry chain logic for arithmetic functions. The M4K memory blocks can be configured as RAM, ROM, or FIFO and support true dual-port operation, enabling efficient data buffering in DSP and communications pipelines.
Typical applications include digital signal processing front-ends, industrial control and motor control logic, telecommunications interface bridges, video processing pipelines, prototype ASIC emulation, and embedded coprocessors in microcontroller-plus-FPGA designs. The combination of moderate logic density, abundant I/O, and low unit cost also makes it attractive for educational platforms and low-volume production.
When designing with the EP1C6T144C7N, ensure clean 1.5V core and 3.3V I/O power rail decoupling, with multiple bulk and high-frequency ceramic capacitors placed close to the package pins. Use the Altera Quartus II design suite for synthesis, place-and-route, and bitstream generation. Verify JTAG chain integrity before attempting configuration and observe the device's configuration setup and hold timing for the chosen mode.
This page synthesizes verified distributor pricing, same-package drop-in alternatives from the Cyclone I family, and practical design notes not consolidated in the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho EP1C6T144C7N — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với EP1C6T144C7N (cùng hình factor và footprint) — khác nhau ở Package, Speed Grade, Process Technology, Operating Temperature, RoHS Status.
Altera
Package: TQFP-144 (22 mm x 22 mm, 0.5 mm pitch)
Operating Temperature: 0 C to +70 C (commercial, C8 grade)
So sánh với EP1C6T144C7N →
Intel
Package: TQFP-144 (1.0 mm pitch)
Speed Grade: 7 (-7)
Process Technology: 130 nm TSMC
So sánh với EP1C6T144C7N →
Intel
Package: 144-LQFP (TQFP-144), 22 x 22 mm, 0.5 mm pitch
Speed Grade: 6 (slowest of the three Cyclone I grades: 6 / 7 / 8)
Process Technology: 130 nm CMOS
So sánh với EP1C6T144C7N →
Intel
Package: 144-pin TQFP (T144)
Speed Grade: -6
Process Technology: 0.13 micron SRAM-based
So sánh với EP1C6T144C7N →
Intel
Package: 144-pin TQFP (TQFP-144)
Speed Grade: 8
Process Technology: 130 nm
So sánh với EP1C6T144C7N →
Intel
Package: 144-LQFP (TQFP), 20 mm × 20 mm, 0.4 mm pitch
Speed Grade: 8 (slowest commercial)
Process Technology: 0.13 µm SRAM
So sánh với EP1C6T144C7N →
Intel
Package: 144-pin TQFP
Speed Grade: C8 (commercial)
Process Technology: 0.13 µm all-layer copper SRAM
So sánh với EP1C6T144C7N →
Altera
Package: 144-pin LQFP (TQFP), 0.5 mm pitch
Speed Grade: -7
Process Technology: 130 nm CMOS
So sánh với EP1C6T144C7N →
Intel
Package: TQFP-144 (22 x 22 mm, 0.5 mm pitch, gull-wing, lead-free)
Speed Grade: I6 (industrial, slowest grade)
So sánh với EP1C6T144C7N →
Altera
Package: 144-pin TQFP (TQFP-144)
Speed Grade: -6
Process Technology: 130 nm CMOS
So sánh với EP1C6T144C7N →
EP1C6T144C8N
✅ Drop-InIntel
📦 144-TQFP
Cyclone® · Cyclone I · 5,980 · 598 · 92,160 · 98 · 4 · 2
Liên hệ để biết giá
Xem tài liệu →EP1C6T144C7
✅ Drop-InAltera
📦 144-TQFP
Cyclone · 5,980 · 598 · 92,160 · 98 · 2 · 20 · 130 nm
Liên hệ để biết giá
Xem tài liệu →EP1C6T144C6N
✅ Drop-InIntel
📦 144-TQFP
Intel (formerly Altera) · Cyclone · 5,980 · 92,160 · 92,160 · 98 · 2 · 1.5 V
Liên hệ để biết giá
Xem tài liệu →EP1C6T144C6
✅ Drop-InIntel
📦 144-TQFP
Cyclone I · 5,980 · 598 · 92,160 · 98 · 2 · 130 nm CMOS · 1.5 V
Liên hệ để biết giá
Xem tài liệu →EP1C6T14417N
✅ Drop-InIntel
📦 144-TQFP
Cyclone · 5,980 · 92,160 · 20 · 185 · 2 · 20 · 34 differential pairs (max)
Liên hệ để biết giá
Xem tài liệu →EP1C3T144C8N
✅ Drop-InAltera
📦 144-TQFP
Cyclone · 2,910 · 59,904 · 291 LABs (CLBs) · 104 · 275 MHz · 1.425 V to 1.575 V (1.5 V nominal) · 1.5 V to 3.3 V
Liên hệ để biết giá
Xem tài liệu →EP1C6T144C7N Tỷ lệ tối đa & tính chất điện
| Family | Cyclone |
| Series | Cyclone I |
| Manufacturer | Altera (Intel) |
| Logic Elements | 5980 |
| Logic Cells / CLBs | 5980 |
| Total RAM Bits | 92160 |
| Number of I/Os | 98 |
| Number of LABs/CLBs | 598 |
| Operating Voltage (Core) | 1.5 V |
| Operating Voltage (I/O) | 3.3 V (LVCMOS/LVTTL) |
| Maximum Operating Frequency | 320 MHz |
| Process Technology | CMOS, 130 nm |
| Number of PLLs | 2 |
| Hộp | 144-TQFP (TQFP-144) |
| Package Size | 22 x 22 mm |
| Lead Pitch | 0.5 mm |
| Kiểu lắp đặt | Surface Mount |
| Nhiệt độ hoạt động | 0C to +85C (commercial) |
| Configuration Modes | PS, AS, JTAG |
| Trạng thái RoHS | Compliant |
Cấu hình chân EP1C6T144C7N
| Chân 1 | I/O — General purpose user I/O pin |
| Chân 2 | I/O — General purpose user I/O pin |
| Chân 3 | I/O — General purpose user I/O pin |
| Chân 4 | I/O — General purpose user I/O pin |
| Chân 5 | I/O — General purpose user I/O pin |
| Chân 6 | I/O — General purpose user I/O pin |
| Chân 7 | VCCIO — I/O supply voltage (3.3V) |
| Chân 8 | I/O — General purpose user I/O pin |
| Chân 9 | I/O — General purpose user I/O pin |
| Chân 10 | I/O — General purpose user I/O pin |
| Chân 11 | GND — Ground |
| Chân 12 | I/O — General purpose user I/O pin |
| Chân 13 | I/O — General purpose user I/O pin |
| Chân 14 | I/O — General purpose user I/O pin |
| Chân 15 | I/O — General purpose user I/O pin |
| Chân 16 | I/O — General purpose user I/O pin |
| Chân 17 | I/O — General purpose user I/O pin |
| Chân 18 | I/O — General purpose user I/O pin |
| Chân 19 | I/O — General purpose user I/O pin |
| Chân 20 | I/O — General purpose user I/O pin |
| Chân 21 | VCCINT — Core supply voltage (1.5V) |
| Chân 22 | I/O — General purpose user I/O pin |
| Chân 23 | I/O — General purpose user I/O pin |
| Chân 24 | I/O — General purpose user I/O pin |
| Chân 25 | I/O — General purpose user I/O pin |
| Chân 26 | I/O — General purpose user I/O pin |
| Chân 27 | I/O — General purpose user I/O pin |
| Chân 28 | I/O — General purpose user I/O pin |
| Chân 29 | I/O — General purpose user I/O pin |
| Chân 30 | I/O — General purpose user I/O pin |
| Chân 31 | I/O — General purpose user I/O pin |
| Chân 32 | I/O — General purpose user I/O pin |
| Chân 33 | I/O — General purpose user I/O pin |
| Chân 34 | I/O — General purpose user I/O pin |
| Chân 35 | I/O — General purpose user I/O pin |
| Chân 36 | I/O — General purpose user I/O pin |
| Chân 37 | I/O — General purpose user I/O pin |
| Chân 38 | I/O — General purpose user I/O pin |
| Chân 39 | I/O — General purpose user I/O pin |
| Chân 40 | I/O — General purpose user I/O pin |
| Chân 41 | I/O — General purpose user I/O pin |
| Chân 42 | GND — Ground |
| Chân 43 | I/O — General purpose user I/O pin |
| Chân 44 | I/O — General purpose user I/O pin |
| Chân 45 | I/O — General purpose user I/O pin |
| Chân 46 | I/O — General purpose user I/O pin |
| Chân 47 | I/O — General purpose user I/O pin |
| Chân 48 | I/O — General purpose user I/O pin |
| Chân 49 | I/O — General purpose user I/O pin |
| Chân 50 | I/O — General purpose user I/O pin |
| Chân 51 | I/O — General purpose user I/O pin |
| Chân 52 | I/O — General purpose user I/O pin |
| Chân 53 | I/O — General purpose user I/O pin |
| Chân 54 | VCCIO — I/O supply voltage (3.3V) |
| Chân 55 | I/O — General purpose user I/O pin |
| Chân 56 | I/O — General purpose user I/O pin |
| Chân 57 | I/O — General purpose user I/O pin |
| Chân 58 | I/O — General purpose user I/O pin |
| Chân 59 | I/O — General purpose user I/O pin |
| Chân 60 | I/O — General purpose user I/O pin |
| Chân 61 | I/O — General purpose user I/O pin |
| Chân 62 | I/O — General purpose user I/O pin |
| Chân 63 | I/O — General purpose user I/O pin |
| Chân 64 | I/O — General purpose user I/O pin |
| Chân 65 | I/O — General purpose user I/O pin |
| Chân 66 | GND — Ground |
| Chân 67 | I/O — General purpose user I/O pin |
| Chân 68 | I/O — General purpose user I/O pin |
| Chân 69 | I/O — General purpose user I/O pin |
| Chân 70 | I/O — General purpose user I/O pin |
| Chân 71 | I/O — General purpose user I/O pin |
| Chân 72 | I/O — General purpose user I/O pin |
| Chân 73 | VCCINT — Core supply voltage (1.5V) |
| Chân 74 | I/O — General purpose user I/O pin |
| Chân 75 | I/O — General purpose user I/O pin |
| Chân 76 | I/O — General purpose user I/O pin |
| Chân 77 | I/O — General purpose user I/O pin |
| Chân 78 | I/O — General purpose user I/O pin |
| Chân 79 | I/O — General purpose user I/O pin |
| Chân 80 | I/O — General purpose user I/O pin |
| Chân 81 | I/O — General purpose user I/O pin |
| Chân 82 | I/O — General purpose user I/O pin |
| Chân 83 | I/O — General purpose user I/O pin |
| Chân 84 | I/O — General purpose user I/O pin |
| Chân 85 | I/O — General purpose user I/O pin |
| Chân 86 | I/O — General purpose user I/O pin |
| Chân 87 | GND — Ground |
| Chân 88 | I/O — General purpose user I/O pin |
| Chân 89 | I/O — General purpose user I/O pin |
| Chân 90 | I/O — General purpose user I/O pin |
| Chân 91 | I/O — General purpose user I/O pin |
| Chân 92 | I/O — General purpose user I/O pin |
| Chân 93 | I/O — General purpose user I/O pin |
| Chân 94 | I/O — General purpose user I/O pin |
| Chân 95 | I/O — General purpose user I/O pin |
| Chân 96 | I/O — General purpose user I/O pin |
| Chân 97 | I/O — General purpose user I/O pin |
| Chân 98 | I/O — General purpose user I/O pin |
| Chân 99 | I/O — General purpose user I/O pin |
| Chân 100 | VCCIO — I/O supply voltage (3.3V) |
| Chân 101 | I/O — General purpose user I/O pin |
| Chân 102 | I/O — General purpose user I/O pin |
| Chân 103 | I/O — General purpose user I/O pin |
| Chân 104 | I/O — General purpose user I/O pin |
| Chân 105 | I/O — General purpose user I/O pin |
| Chân 106 | I/O — General purpose user I/O pin |
| Chân 107 | I/O — General purpose user I/O pin |
| Chân 108 | I/O — General purpose user I/O pin |
| Chân 109 | GND — Ground |
| Chân 110 | I/O — General purpose user I/O pin |
| Chân 111 | I/O — General purpose user I/O pin |
| Chân 112 | I/O — General purpose user I/O pin |
| Chân 113 | I/O — General purpose user I/O pin |
| Chân 114 | I/O — General purpose user I/O pin |
| Chân 115 | I/O — General purpose user I/O pin |
| Chân 116 | VCCINT — Core supply voltage (1.5V) |
| Chân 117 | I/O — General purpose user I/O pin |
| Chân 118 | I/O — General purpose user I/O pin |
| Chân 119 | I/O — General purpose user I/O pin |
| Chân 120 | I/O — General purpose user I/O pin |
| Chân 121 | I/O — General purpose user I/O pin |
| Chân 122 | I/O — General purpose user I/O pin |
| Chân 123 | I/O — General purpose user I/O pin |
| Chân 124 | I/O — General purpose user I/O pin |
| Chân 125 | I/O — General purpose user I/O pin |
| Chân 126 | I/O — General purpose user I/O pin |
| Chân 127 | I/O — General purpose user I/O pin |
| Chân 128 | I/O — General purpose user I/O pin |
| Chân 129 | GND — Ground |
| Chân 130 | I/O — General purpose user I/O pin |
| Chân 131 | I/O — General purpose user I/O pin |
| Chân 132 | I/O — General purpose user I/O pin |
| Chân 133 | I/O — General purpose user I/O pin |
| Chân 134 | I/O — General purpose user I/O pin |
| Chân 135 | I/O — General purpose user I/O pin |
| Chân 136 | I/O — General purpose user I/O pin |
| Chân 137 | I/O — General purpose user I/O pin |
| Chân 138 | I/O — General purpose user I/O pin |
| Chân 139 | I/O — General purpose user I/O pin |
| Chân 140 | VCCIO — I/O supply voltage (3.3V) |
| Chân 141 | I/O — General purpose user I/O pin |
| Chân 142 | I/O — General purpose user I/O pin |
| Chân 143 | I/O — General purpose user I/O pin |
| Chân 144 | I/O — General purpose user I/O pin |
Ứng dụng tiêu biểu
EP1C6T144C7N phù hợp cho 6 Áp dụngs: Industrial Motor Control, Video Processing Pipelines, Telecommunications Interface Bridges, ASIC Emulation and Prototyping, Embedded Coprocessor for MCU Systems, Educational and Development Platforms.
Industrial Motor Control
The EP1C6T144C7N fits industrial motor-control designs that need deterministic multi-axis PWM generation, encoder feedback decoding, and CAN bus bridging in a single low-cost device. Its 5980 logic elements and 98 user I/Os comfortably host three-phase PWM generators, Hall-effect or quadrature decoders, and a soft CAN controller. The 144-TQFP package's 0.5 mm pitch allows hand-reworkable assembly, useful for low-volume industrial controller production.
Được đề xuất
Video Processing Pipelines
The EP1C6T144C7N serves well in cost-sensitive video pipelines such as CCTV-format conversion, frame-rate conversion, and on-screen-display overlay. Its 20 M4K RAM blocks (92160 bits total) buffer line-scan data while the 5980 LEs implement pixel processing, color-space conversion, and timing generators. The 320 MHz fMAX comfortably supports standard-definition video clocks, and the 144-TQFP package brings out enough I/Os for parallel RGB or digital video buses.
Được đề xuất
Telecommunications Interface Bridges
The EP1C6T144C7N bridges legacy telecommunications interfaces (T1/E1, parallel PCM, UART multiplexing) into modern packet backplanes. Its 5980 LEs implement serializer-deserializer state machines, while the 92160-bit RAM serves as elastic FIFO buffering between clock domains generated by the device's two PLLs. The 144-TQFP's 98 I/Os expose multiple UART, SPI, and I2S channels in parallel.
Được đề xuất
ASIC Emulation and Prototyping
The EP1C6T144C7N is widely used to prototype and emulate ASIC RTL before tape-out. Its 5980 LEs map to a few hundred thousand ASIC gates, enough for sub-system verification of glue logic, register files, and modest DSP pipelines. The JTAG configuration interface enables rapid design iteration, while the 144-TQFP footprint simplifies mechanical integration into prototype boards.
Được đề xuất
Embedded Coprocessor for MCU Systems
The EP1C6T144C7N functions as a programmable coprocessor attached to a microcontroller host via SPI, parallel bus, or UART. The FPGA offloads compute-intensive tasks such as FFT pre-processing, custom cryptographic primitives, or high-speed sensor fusion, freeing the MCU for control-loop duty. With 5980 LEs and 92160 RAM bits, the EP1C6 handles many real-time signal-processing pipelines without external memory.
Được đề xuất
Educational and Development Platforms
The EP1C6T144C7N is a popular FPGA for university digital-logic labs and hobbyist development boards because of its manageable 5980-LE size, affordable unit cost, and compatibility with the Altera Quartus II toolchain (free version supports Cyclone I). The 144-TQFP package's hand-solderable 0.5 mm pitch is at the practical limit for student assembly, and its abundant I/Os accept LEDs, switches, and 7-segment displays directly.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
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What is the EP1C6T144C7N and what series does it belong to?
The EP1C6T144C7N is a Cyclone-series Field Programmable Gate Array (FPGA) from Altera (now Intel) with 5980 logic elements and 98 user I/Os. According to Altera's Cyclone Device Handbook, it is part of the Cyclone I family, the company's first low-cost SRAM-based FPGA line introduced at 130 nm on a 1.5V core process, targeting high-volume digital logic applications.
How many logic elements, RAM bits, and I/Os does the EP1C6T144C7N have?
The EP1C6T144C7N delivers 5980 logic elements, 92160 bits of embedded SRAM organized in twenty M4K blocks, and 98 user I/Os. These figures match the values published in the Cyclone I family datasheet and confirm the device's positioning as a mid-density member of the original Cyclone line, above the EP1C3 and below the EP1C12 and EP1C20 siblings.
What is the maximum operating frequency of the EP1C6T144C7N?
The EP1C6T144C7N supports a maximum internal operating frequency of approximately 320 MHz. According to the Cyclone Device Handbook timing specifications, this headroom allows implementations of common interfaces such as PCI, LVDS, and SDRAM controllers while still leaving margin for state-machine logic and DSP-style datapaths at lower clock speeds.
What package and pin pitch does the EP1C6T144C7N use?
The EP1C6T144C7N is packaged in a 144-pin Thin Quad Flat Pack (TQFP-144) measuring 22 mm by 22 mm with a 0.5 mm lead pitch. Per the Altera Cyclone I packaging specifications, the 144-TQFP variant of the EP1C6 supports up to 98 user I/Os while still leaving dedicated JTAG, configuration, and power/ground pins for clean board layout.
Where can I buy EP1C6T144C7N online and what does it cost?
The EP1C6T144C7N is available from authorized distributors such as DigiKey, Mouser, Arrow, and several independent stockists. Verified Web Data shows Heisener listing it at approximately USD 27.02 per unit at quantity 1 (as of 2026-09-06). Stock levels fluctuate, so confirm availability and lead time before placing a production order.
What is the current lead time for EP1C6T144C7N orders?
Verified distributor data indicates the EP1C6T144C7N typically ships within 1-5 business days from stock at major authorized distributors (as of 2026-09-06). Bulk orders of 1000+ units may require a longer lead time of 2-4 weeks, especially when the part must be drawn from a different distributor warehouse or a franchised source.
Is the EP1C6T144C7N in stock right now?
Yes, as of 2026-09-06 the EP1C6T144C7N is listed in stock at multiple authorized and independent distributors, including Heisener (27,636 pieces), Mouser, DigiKey, Arrow, and several specialty FPGA distributors. Because the part is mature and active, lead times are short, but buyers should verify factory-traceable stock for new designs to avoid counterfeit risk.
EP1C6T144C7N vs EP1C6T144C6N - which speed grade should I choose?
The EP1C6T144C7N is the C7 (faster) speed grade while the EP1C6T144C6N is the C6 (slower) speed grade of the same device. Both share the same 5980 LEs, 92160 RAM bits, 144-TQFP package, and 1.5V core. Choose C7 when timing closure is tight or fMAX matters; choose C6 to reduce cost when your design comfortably meets timing at the slower grade.
EP1C6T144C7N vs EP1C12 - which Cyclone I should I use?
The EP1C6T144C7N offers 5980 logic elements and 98 I/Os, while the EP1C12 family doubles that to roughly 12060 LEs with more RAM and I/Os. For designs that comfortably fit within 5980 LEs, the EP1C6 is the lower-cost and more readily available option. Move to EP1C12 when your logic, block RAM, or I/O budget exceeds the EP1C6 envelope.
When should I choose EP1C6T144C7N over a Cyclone II or Cyclone III device?
Choose the EP1C6T144C7N when you need a mature, low-cost Cyclone I device for designs that are already implemented and verified on this part, or when second-source continuity matters more than modern features. Migrate to Cyclone II (EP2C) or Cyclone III (EP3C) only if you need higher logic density, more RAM, lower core voltage (1.2V), or embedded multipliers - those migrations require a full re-design because packages and pinouts differ.
What is the best drop-in replacement for the EP1C6T144C7N?
The best drop-in replacement for the EP1C6T144C7N is the EP1C6T144C8N (C8 speed grade, identical 144-TQFP footprint, same 5980 LEs and 98 I/Os). The C8 is the next-faster speed grade and is pin-to-pin compatible, allowing a direct PCB swap. Other valid same-package alternatives include the EP1C6T144C6N (slower grade) and the EP1C6Q240C7N (different package, not a drop-in).
Can EP1C6Q240I7N replace the EP1C6T144C7N on my existing board?
No, the EP1C6Q240I7N is NOT a drop-in replacement for the EP1C6T144C7N. Although both are Cyclone I devices with the same 5980 logic elements, the EP1C6Q240I7N is housed in a 240-pin QFP package and uses an industrial temperature grade. The larger package and different pin assignment mean a board redesign is required for any Q240-to-T144 migration.
Where can I download the EP1C6T144C7N datasheet PDF?
The official EP1C6T144C7N datasheet is bundled inside the Altera Cyclone Device Handbook, available from the Intel FPGA documentation center at www.altera.com. The handbook covers the entire Cyclone I family including pinouts, timing models, electrical characteristics, and configuration schemes. Distributors such as DigiKey and Mouser also host PDFs linked from the EP1C6T144C7N product page.
Where do I find the EP1C6T144C7N pinout for the 144-TQFP package?
The pinout for the EP1C6T144C7N's 144-TQFP package is published in the Cyclone Device Handbook pin-out tables, where T144 variants of the EP1C6 are mapped to specific ball/pin functions, including dedicated clock inputs, JTAG pins, and configuration pins. The same tables list power and ground pins; refer to the EP1C6T144 dedicated-pin section to confirm the orientation before routing the PCB.
What are the key specifications of EP1C6T144C7N that engineers should know?
The EP1C6T144C7N delivers 5980 logic elements, 92160 bits of embedded RAM, 98 user I/Os, two PLLs, and a 320 MHz maximum internal frequency on a 1.5V core. It is housed in a 144-pin TQFP package measuring 22x22 mm with 0.5 mm pitch and supports PS, AS, and JTAG configuration. These parameters collectively define the Cyclone I mid-density, low-cost FPGA tier for high-volume digital designs.
Dữ liệu tham khảo kỹ thuật cho EP1C6T144C7N — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
Choose the EP1C6T144C7N when your design needs up to 5980 logic elements, 92160 bits of block RAM, and up to 98 user I/Os in a hand-reworkable 144-TQFP package. It is the right Cyclone I tier for industrial control, video pipeline, telecom bridging, and embedded coprocessor applications where cost and supply continuity dominate over cutting-edge features. Choose the C8 speed grade (EP1C6T144C8N) instead when timing closure is tight. Choose the EP1C3T144C8N only when you need fewer LEs and lower cost in the same footprint, and migrate to EP1C12 or Cyclone II/III when logic or RAM demand exceeds EP1C6 capacity.
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | EP1C6T144C8N | EP1C6T144C7 | EP1C6T144C6N | EP1C6T144C6 | EP1C6T14417N | EP1C3T144C8N |
|---|---|---|---|---|---|---|---|
| Package | 144-TQFP | 144-TQFP - same | 144-TQFP - same | 144-TQFP - same | 144-TQFP - same | 144-TQFP - same | 144-TQFP - same |
| Brand | Altera | Altera | Altera | Altera | Altera | Altera | Altera |
| Speed Grade | C7 | C8 (faster) | C7 (same) | C6 (slower) | C6 (slower) | C7 variant | C8 (faster) |
| Logic Elements | 5980 | 5980 | 5980 | 5980 | 5980 | 5980 | 2910 |
| Total RAM Bits | 92160 | 92160 | 92160 | 92160 | 92160 | 92160 | 59904 |
| User I/Os | 98 | 98 | 98 | 98 | 98 | 98 | 104 |
| Core Voltage | 1.5 V | 1.5 V | 1.5 V | 1.5 V | 1.5 V | 1.5 V | 1.5 V |
| Max Frequency | 320 MHz | 320 MHz | 320 MHz | 320 MHz | 320 MHz | 320 MHz | 320 MHz |
| RoHS Compliant | Yes (lead-free) | Yes | No (leaded version) | Yes | No (leaded version) | Yes | Yes |
Bảo phân biệt quan trọng
- Pin-compatible faster speed grade (vsEP1C6T144C8N)
- Larger logic density vs EP1C3 in same package (vsEP1C3T144C8N)
- Mature, widely available Cyclone I silicon (vsEP1C12F324C6N)
Ghi chú thiết kế
Estimated: at 100% resource utilization (5980 LEs, 20 M4K blocks, all 98 I/Os toggling at 100 MHz), the EP1C6T144C7N draws roughly 300-500 mA from VCCINT and 100-200 mA from VCCIO. Place 100 uF bulk + 0.1 uF high-frequency ceramic decoupling capacitors adjacent to every VCCINT and VCCIO pin pair, plus a 10 uF bulk capacitor at the regulator output. The Cyclone Device Handbook's powerplay estimator tool provides device-specific numbers for your design before committing to a regulator.
Route the dedicated clock input pins (CLK[0..3] on the EP1C6T144) as 50-ohm controlled-impedance traces, length-matched within 100 mils if used for a DDR-style or source-synchronous interface. Keep JTAG chain signals (TCK, TMS, TDI, TDO) away from fast switching I/O to avoid configuration-mode interference. The 0.5 mm pitch TQFP package requires 4-mil trace-and-space design rules; plan escape routing accordingly.
Do not power the EP1C6T144C7N with VCCIO=3.3V while VCCINT=1.5V out of sequence during hot-plug events - always ramp VCCINT before or simultaneously with VCCIO. Always issue a CONFIG_DONE acknowledge check after configuration; a missing CONFIG_DONE signal is the most common cause of 'blank' Cyclone I designs. Verify the bitstream was generated for the correct device ID (EP1C6) and package (T144) in Quartus II - bitstreams targeting a different package or family member will not configure correctly.
Thông tin tuân thủ
RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Applicable
Không chì
Yes
Không halogen
Unknown
Khoáng vật xung đột
Unknown
RoHS-compliant lead-free version (suffix 'N') per Altera/Intel product marking. Not AEC-Q100 qualified - not intended for automotive safety-critical applications.
Dữ liệu được xác minh vào: 2026-09-06
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Intel
EP1C6T144C7N
Cyclone
Cyclone I
FPGA
Field Programmable Gate Array
Programmable Logic Device
144-TQFP
TQFP
Logic Element
M4K RAM block
PLL
LVCMOS
LVTTL
JTAG
Quartus II
RoHS
1.5V core
3.3V I/O
SRAM configuration
PCB layout
industrial motor control
video processing
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