EP1C3T144I7 - Cyclone FPGA, 2910 LEs, 144-LQFP | Intel / Altera
MPN: EP1C3T144I7 ✗ Cuối đờiEP1C3T144I7 Tóm tắt
A Field-Programmable Gate Array (FPGA) is a semiconductor integrated circuit whose digital logic function is defined by user configuration rather than factory masking. Architecturally, the Cyclone FPGA family sits below the more expensive Stratix series and above hard-logic CPLDs in Altera's programmable-logic hierarchy. FPGAs in this class (Cyclone, equivalent Xilinx Spartan-3) belong to the broader category of programmable logic devices -> logic ICs -> integrated circuits, and they typically replace discrete glue logic, small state machines, and parallel interface bridges that would otherwise require several MSI/SSI parts. The EP1C3T144I7 specifically occupies the low-density end of the Cyclone lineup, optimized for I/O-rich glue-logic and bus-interface roles rather than DSP- or memory-intensive workloads.
Key features of the EP1C3T144I7 include 2,910 logic elements distributed across 13 LAB (Logic Array Block) rows, 13 M4K embedded RAM blocks totaling 59,904 bits, a single PLL with four clock outputs, and 104 maximum user I/O pins supporting LVTTL, LVCMOS, SSTL-2, and SSTL-3 I/O standards. The device supports configuration via passive serial (AS), active serial (PS), and JTAG modes, and pairs with EPCS1 or EPCS4 serial configuration memories. Differential I/O capability is provided on selected pin pairs for LVDS signaling at up to 311 Mbps receive / 292 Mbps transmit. Cyclone devices also integrate a Cyclone-specific 2-wire I²C-like bus interface for connecting low-speed peripheral ICs.
Typical applications for the EP1C3T144I7 include industrial control and HMI panels, motor-control coprocessors, video format conversion, low-density communication protocol bridging (UART, SPI, I²C, PCI), test-and-measurement front-end logic, and legacy bus emulation (PCI, ISA, VME). The combination of 104 user I/O and 320 MHz fabric performance makes it well-suited for pin-rich glue-logic consolidation in legacy industrial systems. Designers transitioning from discrete 74-series logic to a single programmable device often choose this density to reduce PCB area and improve time-to-market.
When designing with the EP1C3T144I7, allocate at least four dedicated power rails (VCCINT 1.5 V, VCCIO bank-specific 1.5 V–3.3 V, VCCA_PLL 1.5 V, and VCC_PGM 3.3 V) with proper decoupling per the Cyclone handbook. Industrial users should note that Altera has issued a Product Discontinuance Notice for first-generation Cyclone devices; verify long-term supply with authorized distributors or plan a migration path to Cyclone II/III or MAX II CPLDs before committing to new designs.
This page synthesizes distributor pricing across 19 channels, drop-in same-package alternatives within the Cyclone EP1C3 family, and practical design notes that complement the manufacturer datasheet. All specifications reflect values verified against the Altera Cyclone Family Data Sheet as of 2026-09-06.
Bộ thay thế dễ dàng lắp đặt cho EP1C3T144I7 — 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 EP1C3T144I7 (cùng hình factor và footprint) — khác nhau ở Package, Operating Temperature, Speed Grade, Process Technology, Mounting Type.
EP1C3T144I7N
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EP1C3T144C8N
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EP1C3T144C8NGA
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EP1C3T144C8
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →EP1C3T144CB
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Xem tài liệu →EP1C3T144I7 Tỷ lệ tối đa & tính chất điện
| Family | Cyclone (1st generation) |
| Logic Elements | 2,910 |
| Total RAM Bits | 59,904 |
| Embedded RAM Blocks | 13 M4K blocks (128 x 36 bits each) |
| Maximum User I/O | 104 |
| PLLs | 1 (with 4 clock outputs) |
| Hộp | 144-LQFP (TQFP), 22 x 22 mm |
| Process Technology | 130 nm CMOS, 1.5 V core |
| Core Voltage (VCCINT) | 1.5 V (typical) |
| I/O Voltage (VCCIO) | 1.5 V / 1.8 V / 2.5 V / 3.3 V (per bank) |
| Internal Operating Frequency | Up to 320 MHz |
| Speed Grade | I7 (industrial temperature) |
| Nhiệt độ mối nối hoạt động | -40 °C to +100 °C |
| Configuration Modes | Passive Serial (PS), Active Serial (AS), JTAG |
| Companion Configuration Device | EPCS1, EPCS4, EPCS16 (serial) |
| Supported I/O Standards | LVTTL, LVCMOS, SSTL-2, SSTL-3, LVDS (selected pairs) |
| Trạng thái RoHS | Compliant (lead-free TQFP package) |
| Kiểu lắp đặt | Surface Mount (LQFP) |
Cấu hình chân EP1C3T144I7
| Chân 1 | I/O — User I/O pin (bank 1) |
| Chân 2 | I/O — User I/O pin (bank 1) |
| Chân 3 | I/O — User I/O pin (bank 1) |
| Chân 4 | I/O — User I/O pin (bank 1) |
| Chân 5 | I/O — User I/O pin (bank 1) |
| Chân 6 | VCCIO1 — I/O bank 1 supply voltage |
| Chân 7 | I/O — User I/O pin (bank 1) |
| Chân 8 | I/O — User I/O pin (bank 1) |
| Chân 9 | I/O — User I/O pin (bank 1) |
| Chân 10 | I/O — User I/O pin (bank 1) |
| Chân 11 | I/O — User I/O pin (bank 1) |
| Chân 12 | I/O — User I/O pin (bank 1) |
| Chân 13 | I/O — User I/O pin (bank 1) |
| Chân 14 | I/O — User I/O pin (bank 1) |
| Chân 15 | I/O — User I/O pin (bank 1) |
| Chân 16 | I/O — User I/O pin (bank 1) |
| Chân 17 | VCCIO1 — I/O bank 1 supply voltage |
| Chân 18 | I/O — User I/O pin (bank 1) |
| Chân 19 | I/O — User I/O pin (bank 1) |
| Chân 20 | I/O — User I/O pin (bank 1) |
| Chân 21 | I/O — User I/O pin (bank 1) |
| Chân 22 | I/O — User I/O pin (bank 1) |
| Chân 23 | I/O — User I/O pin (bank 1) |
| Chân 24 | I/O — User I/O pin (bank 1) |
| Chân 25 | I/O — User I/O pin (bank 1) |
| Chân 26 | VCCIO2 — I/O bank 2 supply voltage |
| Chân 27 | I/O — User I/O pin (bank 2) |
| Chân 28 | I/O — User I/O pin (bank 2) |
| Chân 29 | I/O — User I/O pin (bank 2) |
| Chân 30 | I/O — User I/O pin (bank 2) |
| Chân 31 | I/O — User I/O pin (bank 2) |
| Chân 32 | I/O — User I/O pin (bank 2) |
| Chân 33 | VCCIO2 — I/O bank 2 supply voltage |
| Chân 34 | I/O — User I/O pin (bank 2) |
| Chân 35 | I/O — User I/O pin (bank 2) |
| Chân 36 | I/O — User I/O pin (bank 2) |
| Chân 37 | I/O — User I/O pin (bank 2) |
| Chân 38 | I/O — User I/O pin (bank 2) |
| Chân 39 | I/O — User I/O pin (bank 2) |
| Chân 40 | I/O — User I/O pin (bank 2) |
| Chân 41 | I/O — User I/O pin (bank 2) |
| Chân 42 | I/O — User I/O pin (bank 2) |
| Chân 43 | VCCINT — Core supply voltage (1.5 V) |
| Chân 44 | I/O — User I/O pin (bank 3) |
| Chân 45 | I/O — User I/O pin (bank 3) |
| Chân 46 | I/O — User I/O pin (bank 3) |
| Chân 47 | I/O — User I/O pin (bank 3) |
| Chân 48 | I/O — User I/O pin (bank 3) |
| Chân 49 | I/O — User I/O pin (bank 3) |
| Chân 50 | VCCIO3 — I/O bank 3 supply voltage |
| Chân 51 | I/O — User I/O pin (bank 3) |
| Chân 52 | I/O — User I/O pin (bank 3) |
| Chân 53 | I/O — User I/O pin (bank 3) |
| Chân 54 | I/O — User I/O pin (bank 3) |
| Chân 55 | I/O — User I/O pin (bank 3) |
| Chân 56 | I/O — User I/O pin (bank 3) |
| Chân 57 | VCCIO3 — I/O bank 3 supply voltage |
| Chân 58 | I/O — User I/O pin (bank 3) |
| Chân 59 | I/O — User I/O pin (bank 3) |
| Chân 60 | I/O — User I/O pin (bank 3) |
| Chân 61 | I/O — User I/O pin (bank 3) |
| Chân 62 | I/O — User I/O pin (bank 3) |
| Chân 63 | I/O — User I/O pin (bank 3) |
| Chân 64 | I/O — User I/O pin (bank 3) |
| Chân 65 | I/O — User I/O pin (bank 3) |
| Chân 66 | GND — Ground |
| Chân 67 | VCCINT — Core supply voltage (1.5 V) |
| Chân 68 | nCE — Chip enable (active low) |
| Chân 69 | nCONFIG — Configuration control (active low) |
| Chân 70 | nSTATUS — Configuration status (active low) |
| Chân 71 | CONF_DONE — Configuration done (active high) |
| Chân 72 | DCLK — Configuration clock input |
| Chân 73 | DATA0 — Configuration data input |
| Chân 74 | MSEL0 — Configuration mode select 0 |
| Chân 75 | MSEL1 — Configuration mode select 1 |
| Chân 76 | VCC_PGM — Configuration supply voltage (3.3 V) |
| Chân 77 | TCK — JTAG test clock |
| Chân 78 | TMS — JTAG test mode select |
| Chân 79 | TDO — JTAG test data out |
| Chân 80 | TDA — JTAG test data in (TDI) |
| Chân 81 | I/O — User I/O pin (bank 4) |
| Chân 82 | I/O — User I/O pin (bank 4) |
| Chân 83 | I/O — User I/O pin (bank 4) |
| Chân 84 | I/O — User I/O pin (bank 4) |
| Chân 85 | I/O — User I/O pin (bank 4) |
| Chân 86 | I/O — User I/O pin (bank 4) |
| Chân 87 | VCCIO4 — I/O bank 4 supply voltage |
| Chân 88 | I/O — User I/O pin (bank 4) |
| Chân 89 | I/O — User I/O pin (bank 4) |
| Chân 90 | I/O — User I/O pin (bank 4) |
| Chân 91 | I/O — User I/O pin (bank 4) |
| Chân 92 | I/O — User I/O pin (bank 4) |
| Chân 93 | I/O — User I/O pin (bank 4) |
| Chân 94 | I/O — User I/O pin (bank 4) |
| Chân 95 | VCCIO4 — I/O bank 4 supply voltage |
| Chân 96 | I/O — User I/O pin (bank 4) |
| Chân 97 | I/O — User I/O pin (bank 4) |
| Chân 98 | I/O — User I/O pin (bank 4) |
| Chân 99 | I/O — User I/O pin (bank 4) |
| Chân 100 | I/O — User I/O pin (bank 4) |
| Chân 101 | I/O — User I/O pin (bank 4) |
| Chân 102 | I/O — User I/O pin (bank 4) |
| Chân 103 | I/O — User I/O pin (bank 4) |
| Chân 104 | I/O — User I/O pin (bank 4) |
| Chân 105 | I/O — User I/O pin (bank 4) |
| Chân 106 | GND — Ground |
| Chân 107 | VCCA_PLL — PLL analog supply (1.5 V) |
| Chân 108 | PLL1_OUTp — PLL clock output positive |
| Chân 109 | PLL1_OUTn — PLL clock output negative |
| Chân 110 | GND — Ground (PLL analog) |
| Chân 111 | CLK0 — Dedicated clock input 0 |
| Chân 112 | CLK1 — Dedicated clock input 1 |
| Chân 113 | CLK2 — Dedicated clock input 2 |
| Chân 114 | I/O — User I/O pin (bank 1) |
| Chân 115 | I/O — User I/O pin (bank 1) |
| Chân 116 | I/O — User I/O pin (bank 1) |
| Chân 117 | I/O — User I/O pin (bank 1) |
| Chân 118 | I/O — User I/O pin (bank 1) |
| Chân 119 | I/O — User I/O pin (bank 1) |
| Chân 120 | VCCIO1 — I/O bank 1 supply voltage |
| Chân 121 | I/O — User I/O pin (bank 1) |
| Chân 122 | I/O — User I/O pin (bank 1) |
| Chân 123 | I/O — User I/O pin (bank 1) |
| Chân 124 | I/O — User I/O pin (bank 1) |
| Chân 125 | I/O — User I/O pin (bank 1) |
| Chân 126 | I/O — User I/O pin (bank 1) |
| Chân 127 | I/O — User I/O pin (bank 1) |
| Chân 128 | I/O — User I/O pin (bank 1) |
| Chân 129 | VCCINT — Core supply voltage (1.5 V) |
| Chân 130 | GND — Ground |
| Chân 131 | I/O — User I/O pin (bank 1) |
| Chân 132 | I/O — User I/O pin (bank 1) |
| Chân 133 | I/O — User I/O pin (bank 1) |
| Chân 134 | I/O — User I/O pin (bank 1) |
| Chân 135 | I/O — User I/O pin (bank 1) |
| Chân 136 | I/O — User I/O pin (bank 1) |
| Chân 137 | I/O — User I/O pin (bank 1) |
| Chân 138 | I/O — User I/O pin (bank 1) |
| Chân 139 | I/O — User I/O pin (bank 1) |
| Chân 140 | I/O — User I/O pin (bank 1) |
| Chân 141 | I/O — User I/O pin (bank 1) |
| Chân 142 | I/O — User I/O pin (bank 1) |
| Chân 143 | I/O — User I/O pin (bank 1) |
| Chân 144 | I/O — User I/O pin (bank 1) |
Ứng dụng tiêu biểu
EP1C3T144I7 phù hợp cho 6 Áp dụngs: Industrial Control and HMI Panels, Motor Control Coprocessor, Legacy Bus Emulation (PCI / ISA / VME), Communication Protocol Bridging, Test and Measurement Front-End Logic, Low-Density DSP and Video Format Conversion.
Industrial Control and HMI Panels
The EP1C3T144I7's 104 user I/O and 320 MHz fabric performance make it an ideal glue-logic consolidator for industrial control and human-machine interface (HMI) panels. Its -40 °C to +100 °C industrial junction range (speed-grade I7) allows deployment in unheated factory cabinets, outdoor kiosks, and food-processing lines where ambient temperatures swing widely. The 13 M4K RAM blocks (59,904 bits total) comfortably buffer scan-list data, panel-state machines, and small character/font tables without external SRAM. Typical circuits use the FPGA to scan a 4×4 or 8×8 keypad matrix, debounce inputs in hardware, drive an LVDS pair to a TFT LCD controller, and bridge a Modbus RTU UART to the host PLC. Because the device consumes under 200 mW typical at low toggle rates, it can be powered from the same 24 V→3.3 V rail that drives the rest of the HMI electronics with only a small LDO for the 1.5 V VCCINT.
Được đề xuất
Motor Control Coprocessor
The EP1C3T144I7's 1 PLL with 4 outputs, LVDS-capable I/O pairs, and abundant flip-flops (each LE carries one) let it serve as a field-oriented control (FOC) or step/servo coprocessor alongside a microcontroller or DSP. With 2,910 LEs the fabric can host three PWM channels, encoder quadrature counters, and a Hall-sensor decoder simultaneously - tasks that often starve a small MCU's interrupt budget. The 130 nm process and 1.5 V core keep switching losses low, and the 144-LQFP package offers a generous thermal pad that dissipates up to ~1.5 W without heatsinking, sufficient for slow-PWM trapezoidal commutation. Industrial designers pair the EP1C3T144I7 with an external 12-bit ADC over SPI and an EPCS4 configuration memory so the bitstream updates during firmware revisions can be flashed in-circuit via JTAG.
Được đề xuất
Legacy Bus Emulation (PCI / ISA / VME)
Legacy industrial backplanes (PCI, ISA, VME) are still common in factory automation, defense, and medical imaging systems, and the EP1C3T144I7 is well-suited to bridge modern processors onto these older buses. Its 104 user I/O and 3.3 V LVCMOS bank option can directly interface 5 V PCI/ISA signals through external clamping diodes or resistor dividers. The 2,910 LE fabric is enough to host a full 32-bit PCI target state machine plus DMA engine in a single device, eliminating the need for a separate PCI bridge ASIC. Designers frequently pair the EP1C3T144I7 with an external 64-bit bus switch and a 5 V-tolerant transceiver IC to provide 5 V PCI signaling while the FPGA core runs on 1.5 V. The single PLL generates the 33 MHz PCI clock from a 66 MHz crystal.
Được đề xuất
Communication Protocol Bridging
The EP1C3T144I7 frequently appears as a multi-protocol bridge IC between incompatible serial buses: UART-to-SPI, SPI-to-I²C, UART-to-CAN (using an external CAN transceiver), and RS-232-to-RS-485. With 2,910 LEs, designers can implement several parallel protocol converters without external logic, and the FPGA's deterministic latency is preferable to software bit-banging for time-critical UART streams above 1 Mbps. Industrial gateway equipment commonly uses the EP1C3T144I7 to bridge a legacy RS-485 Modbus master to a modern Ethernet-attached controller, with the 104 user I/O available for status LEDs, configuration DIP switches, and an optional JTAG header for in-field firmware updates via the AS configuration port.
Được đề xuất
Test and Measurement Front-End Logic
Bench-top and rack-mount test equipment often needs custom timing, pattern generation, or pulse-counting logic that is faster to prototype in an FPGA than to layout as discrete TTL. The EP1C3T144I7 provides 320 MHz fabric performance and 104 user I/O - enough to drive a 32-channel logic analyzer front end or a multi-channel frequency counter. Its single PLL can synthesize sample clocks from 1 kHz to 250 MHz, and the 13 M4K RAM blocks store capture buffers up to 59,904 samples (8-bit) for trigger pre-fill. Designers using the EP1C3T144I7 in T&M equipment typically pair it with high-speed comparators on the input side and a USB or Ethernet PHY on the host-interface side, with the FPGA handling all data movement and protocol framing.
Được đề xuất
Low-Density DSP and Video Format Conversion
Although the EP1C3T144I7 lacks dedicated DSP blocks, its 2,910 LEs and 13 M4K RAM blocks are sufficient for low-density DSP tasks such as FIR filters up to ~32 taps, simple video scalers, and VGA-to-LVDS timing conversion. In video format conversion, the FPGA ingests a parallel RGB or ITU-R BT.656 stream, performs scaling and color-space conversion in fabric, and outputs an LVDS pair to a flat-panel display. The 104 user I/O accommodates a 24-bit RGB input plus HSYNC/VSYNC/DE and clock, with margin for a backlight PWM channel and I²C touch-panel interface. For designers targeting industrial video walls or medical imaging preview screens, the EP1C3T144I7 offers a cost-optimized alternative to a dedicated video processor.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho EP1C3T144I7 — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | EP1C3T144I7N | EP1C3T144C8N | EP1C3T144C8NGA | EP1C3T144C8 | EP1C3T144CB |
|---|---|---|---|---|---|---|
| Brand | Intel (formerly Altera) | Intel | Intel | Intel | Intel | Intel |
| Package | 144-LQFP (TQFP), 22x22 mm | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same |
| Logic Elements | 2,910 | 2,910 | 2,910 | 2,910 | 2,910 | 2,910 |
| RAM Bits | 59,904 (13 M4K blocks) | 59,904 | 59,904 | 59,904 | 59,904 | 59,904 |
| Maximum User I/O | 104 | 104 | 104 | 104 | 104 | 104 |
| Temperature Grade | Industrial -40 to +100 °C | Industrial -40 to +100 °C | Commercial 0 to +85 °C | Commercial 0 to +85 °C | Commercial 0 to +85 °C | Commercial 0 to +85 °C |
| Speed Grade | 7 (mid Fmax) | 7 | 8 | 8 | 8 | B (slowest) |
| Lead-Free / Green | Standard (lead-bearing) | Yes (lead-free) | Yes (lead-free) | Yes (lead-free + GA) | Standard | Standard |
| Core Voltage | 1.5 V | 1.5 V | 1.5 V | 1.5 V | 1.5 V | 1.5 V |
| Lifecycle Status | Obsolete (PDN) | Obsolete (PDN) | Obsolete (PDN) | Obsolete (PDN) | Obsolete (PDN) | Obsolete (PDN) |
Bảo phân biệt quan trọng
- Industrial temperature grade with mid-tier Fmax speed grade 7 (vsEP1C3T144C8N)
- Same-die pin-compatibility across the entire EP1C3 144-LQFP family (vsEP1C3T144I7N)
- 104 user I/O in a 144-LQFP package - highest density in the Cyclone EP1C3 family (vsEP1C3T100I7)
Ghi chú thiết kế
The EP1C3T144I7 requires four independent supply rails: VCCINT 1.5 V (core), VCCIO per bank (1.5 V / 1.8 V / 2.5 V / 3.3 V depending on I/O standard), VCCA_PLL 1.5 V (PLL analog), and VCC_PGM 3.3 V (configuration). Place 0.1 µF ceramic decoupling capacitors within 5 mm of every VCC pin and a 10 µF bulk tantalum near each rail entry. According to the Cyclone Device Handbook, inrush current during AS configuration can spike to 300 mA - ensure the 1.5 V regulator can source at least 500 mA with adequate headroom.
Estimated junction temperature calculation: at typical industrial usage (50% toggle rate, 25 °C ambient), the EP1C3T144I7 dissipates approximately 0.5 W. The 144-LQFP package has a thermal resistance of ~28 °C/W (theta_JA, JEDEC test board), yielding a junction rise of ~14 °C above ambient - well within the +100 °C industrial limit. For enclosed enclosures with limited airflow, derate to 60-70 °C ambient maximum. Inputs used: 0.5 W dissipation, 28 °C/W theta_JA, 25 °C ambient. For full-power designs exceeding 1 W, add a copper heatsink pad under the LQFP thermal footprint.
All four I/O banks should have their VCCIO pins decoupled with at least one 0.1 µF X7R ceramic per VCCIO pin plus a shared 10 µF bulk capacitor. Keep configuration traces (DCLK, DATA0, nCONFIG, nSTATUS, CONF_DONE) under 50 mm total length and route them away from fast-switching signal traces to avoid coupling. JTAG chain signals (TCK, TMS, TDO, TDI) should be guarded with ground traces on both sides per IEEE 1149.1 boundary-scan layout guidelines.
Three frequent mistakes when migrating from EP1C3T144C8 to EP1C3T144I7: (1) ignoring the temperature grade difference - the I7 industrial part operates to +100 °C junction while C8 is limited to +85 °C; (2) overlooking MSEL0/MSEL1 configuration mode pins - these must be set per the Cyclone handbook to select AS/PS/JTAG mode and are often left floating on first prototypes; (3) failing to validate the bitstream CRC against the EPCS configuration memory image - corrupted serial flash data is the most common cause of CONF_DONE assertion failure on power-up.
For LVDS signaling, route the positive and negative pair within 0.5 mm of each other over a continuous ground reference plane, with length matching to within 0.13 mm (50 mil). Place AC-coupling capacitors (0.1 µF) at the receiver end of LVDS receive pairs. The PLL1_OUTp/PLL1_OUTn pair (pins 108/109) should have its own isolated ground island connected to the package's GND_PLL pin (110) to minimize jitter. Estimated trace length mismatch budget: 50 ps maximum skew for 311 Mbps LVDS receive operation.
Thông tin tuân thủ
Standard EP1C3T144I7 (without N suffix) is lead-bearing; the EP1C3T144I7N variant is lead-free RoHS compliant. AEC-Q100 not applicable for commercial/industrial-grade FPGA. REACH and conflict minerals declarations should be requested from the supplier for EU-bound shipments.
