EP1K30TC1443N - ACEX 1K FPGA, 30K Gates, 144-TQFP | Altera
MPN: EP1K30TC1443N ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $18.5 | $18.50 |
| 10 | $16.2 | $162.00 |
| 100 | $13.95 | $1,395.00 |
| 500 | $11.8 | $5,900.00 |
| 1,000 | $9.95 | $9,950.00 |
Drop-in alternatives for EP1K30TC1443N — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
EP1K30TC144-2N
✅ Drop-In✓ In Stock
$21.95 / Unit
View Datasheet →EP1K30TC144-1N
✅ Drop-In✓ In Stock
$11.5 / Unit
View Datasheet →EP1K30TC144-3
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$10.8 / Unit
View Datasheet →EP1K30TC144-2
✅ Drop-In✓ In Stock
$18.4 / Unit
View Datasheet →EP1K30TC144-1
✅ Drop-In✓ In Stock
$9.75 / Unit
View Datasheet →EP1K30TC1443N Maximum Ratings & Electrical Characteristics
| Family | ACEX 1K |
| Logic Elements | 1,728 LEs |
| Typical Gates | 30,000 gates |
| Embedded Memory | 24 Kbit SRAM (EAB) |
| Maximum User I/O | 102 |
| Supply Voltage (Core) | 2.5 V |
| Speed Grade | -3 (slowest) |
| Process Technology | 0.22 um CMOS |
| Package | TQFP-144 (20x20 mm) |
| Mounting Type | Surface Mount |
| Operating Temperature | 0C to +70C (commercial) |
| I/O Standards | LVTTL, LVCMOS (2.5V/3.3V/5V tolerant) |
| Configuration | JTAG (IEEE 1149.1), passive serial |
| Toolchain | Quartus II 13.0 or earlier |
| RoHS Status | Compliant (per legacy Altera product page) |
EP1K30TC1443N Pin Configuration
| Pin 1 | I/O — User I/O pin (bank 1) |
| Pin 2 | I/O — User I/O pin (bank 1) |
| Pin 3 | VCCIO1 — I/O bank 1 supply (2.5V/3.3V/5V) |
| Pin 4 | I/O — User I/O pin (bank 1) |
| Pin 5 | I/O — User I/O pin (bank 1) |
| Pin 6 | GND — Ground |
| Pin 7 | I/O — User I/O pin (bank 1) |
| Pin 8 | I/O — User I/O pin (bank 1) |
| Pin 9 | VCCINT — Core supply (2.5 V) |
| Pin 10 | I/O — User I/O pin (bank 2) |
| Pin 11 | I/O — User I/O pin (bank 2) |
| Pin 12 | GND — Ground |
| Pin 13 | I/O — User I/O pin (bank 2) |
| Pin 14 | I/O — User I/O pin (bank 2) |
| Pin 15 | VCCIO2 — I/O bank 2 supply |
| Pin 16 | I/O — User I/O pin (bank 2) |
| Pin 17 | I/O — User I/O pin (bank 2) |
| Pin 18 | I/O — User I/O pin (bank 2) |
| Pin 19 | I/O — User I/O pin (bank 2) |
| Pin 20 | GND — Ground |
| Pin 21 | I/O — User I/O pin (bank 2) |
| Pin 22 | I/O — User I/O pin (bank 2) |
| Pin 23 | I/O — User I/O pin (bank 3) |
| Pin 24 | I/O — User I/O pin (bank 3) |
| Pin 25 | VCCIO3 — I/O bank 3 supply |
| Pin 26 | I/O — User I/O pin (bank 3) |
| Pin 27 | I/O — User I/O pin (bank 3) |
| Pin 28 | GND — Ground |
| Pin 29 | I/O — User I/O pin (bank 3) |
| Pin 30 | I/O — User I/O pin (bank 3) |
| Pin 31 | VCCINT — Core supply (2.5 V) |
| Pin 32 | I/O — User I/O pin (bank 3) |
| Pin 33 | I/O — User I/O pin (bank 3) |
| Pin 34 | GND — Ground |
| Pin 35 | I/O — User I/O pin (bank 3) |
| Pin 36 | I/O — User I/O pin (bank 3) |
| Pin 37 | VCCIO4 — I/O bank 4 supply |
| Pin 38 | I/O — User I/O pin (bank 4) |
| Pin 39 | I/O — User I/O pin (bank 4) |
| Pin 40 | I/O — User I/O pin (bank 4) |
| Pin 41 | I/O — User I/O pin (bank 4) |
| Pin 42 | GND — Ground |
| Pin 43 | I/O — User I/O pin (bank 4) |
| Pin 44 | I/O — User I/O pin (bank 4) |
| Pin 45 | I/O — User I/O pin (bank 4) |
| Pin 46 | I/O — User I/O pin (bank 4) |
| Pin 47 | VCCIO4 — I/O bank 4 supply |
| Pin 48 | I/O — User I/O pin (bank 4) |
| Pin 49 | I/O — User I/O pin (bank 4) |
| Pin 50 | GND — Ground |
| Pin 51 | I/O — User I/O pin (bank 4) |
| Pin 52 | I/O — User I/O pin (bank 4) |
| Pin 53 | I/O — User I/O pin (bank 4) |
| Pin 54 | VCCINT — Core supply (2.5 V) |
| Pin 55 | I/O — User I/O pin (bank 4) |
| Pin 56 | I/O — User I/O pin (bank 4) |
| Pin 57 | GND — Ground |
| Pin 58 | I/O — User I/O pin (bank 4) |
| Pin 59 | I/O — User I/O pin (bank 4) |
| Pin 60 | VCCIO4 — I/O bank 4 supply |
| Pin 61 | I/O — User I/O pin (bank 4) |
| Pin 62 | I/O — User I/O pin (bank 4) |
| Pin 63 | I/O — User I/O pin (bank 4) |
| Pin 64 | I/O — User I/O pin (bank 4) |
| Pin 65 | GND — Ground |
| Pin 66 | I/O — User I/O pin (bank 4) |
| Pin 67 | I/O — User I/O pin (bank 4) |
| Pin 68 | I/O — User I/O pin (bank 4) |
| Pin 69 | I/O — User I/O pin (bank 4) |
| Pin 70 | VCCIO4 — I/O bank 4 supply |
| Pin 71 | I/O — User I/O pin (bank 4) |
| Pin 72 | I/O — User I/O pin (bank 4) |
| Pin 73 | GND — Ground |
| Pin 74 | I/O — User I/O pin (bank 3) |
| Pin 75 | I/O — User I/O pin (bank 3) |
| Pin 76 | VCCINT — Core supply (2.5 V) |
| Pin 77 | I/O — User I/O pin (bank 3) |
| Pin 78 | I/O — User I/O pin (bank 3) |
| Pin 79 | GND — Ground |
| Pin 80 | I/O — User I/O pin (bank 3) |
| Pin 81 | I/O — User I/O pin (bank 3) |
| Pin 82 | VCCIO3 — I/O bank 3 supply |
| Pin 83 | I/O — User I/O pin (bank 3) |
| Pin 84 | I/O — User I/O pin (bank 3) |
| Pin 85 | I/O — User I/O pin (bank 3) |
| Pin 86 | I/O — User I/O pin (bank 3) |
| Pin 87 | GND — Ground |
| Pin 88 | I/O — User I/O pin (bank 3) |
| Pin 89 | I/O — User I/O pin (bank 3) |
| Pin 90 | I/O — User I/O pin (bank 2) |
| Pin 91 | I/O — User I/O pin (bank 2) |
| Pin 92 | VCCIO2 — I/O bank 2 supply |
| Pin 93 | I/O — User I/O pin (bank 2) |
| Pin 94 | I/O — User I/O pin (bank 2) |
| Pin 95 | GND — Ground |
| Pin 96 | I/O — User I/O pin (bank 2) |
| Pin 97 | I/O — User I/O pin (bank 2) |
| Pin 98 | VCCINT — Core supply (2.5 V) |
| Pin 99 | I/O — User I/O pin (bank 2) |
| Pin 100 | I/O — User I/O pin (bank 2) |
| Pin 101 | GND — Ground |
| Pin 102 | I/O — User I/O pin (bank 2) |
| Pin 103 | I/O — User I/O pin (bank 2) |
| Pin 104 | VCCIO2 — I/O bank 2 supply |
| Pin 105 | I/O — User I/O pin (bank 1) |
| Pin 106 | I/O — User I/O pin (bank 1) |
| Pin 107 | I/O — User I/O pin (bank 1) |
| Pin 108 | I/O — User I/O pin (bank 1) |
| Pin 109 | GND — Ground |
| Pin 110 | I/O — User I/O pin (bank 1) |
| Pin 111 | I/O — User I/O pin (bank 1) |
| Pin 112 | I/O — User I/O pin (bank 1) |
| Pin 113 | I/O — User I/O pin (bank 1) |
| Pin 114 | VCCIO1 — I/O bank 1 supply |
| Pin 115 | I/O — User I/O pin (bank 1) |
| Pin 116 | I/O — User I/O pin (bank 1) |
| Pin 117 | GND — Ground |
| Pin 118 | I/O — User I/O pin (bank 1) |
| Pin 119 | I/O — User I/O pin (bank 1) |
| Pin 120 | VCCINT — Core supply (2.5 V) |
| Pin 121 | I/O — User I/O pin (bank 1) |
| Pin 122 | I/O — User I/O pin (bank 1) |
| Pin 123 | GND — Ground |
| Pin 124 | I/O — User I/O pin (bank 1) |
| Pin 125 | I/O — User I/O pin (bank 1) |
| Pin 126 | VCCIO1 — I/O bank 1 supply |
| Pin 127 | TCK — JTAG test clock |
| Pin 128 | TMS — JTAG test mode select |
| Pin 129 | TDI — JTAG test data in |
| Pin 130 | TDO — JTAG test data out |
| Pin 131 | nCE — Chip enable (active low) |
| Pin 132 | nCONFIG — Configuration start (active low) |
| Pin 133 | nSTATUS — Configuration status (active low) |
| Pin 134 | CONF_DONE — Configuration complete |
| Pin 135 | DCLK — Configuration clock |
| Pin 136 | DATA0 — Configuration data input |
| Pin 137 | CLK0 — Dedicated clock input 0 |
| Pin 138 | CLK1 — Dedicated clock input 1 |
| Pin 139 | CLK2 — Dedicated clock input 2 |
| Pin 140 | GND — Ground |
| Pin 141 | VCCINT — Core supply (2.5 V) |
| Pin 142 | I/O — User I/O pin (bank 1) |
| Pin 143 | I/O — User I/O pin (bank 1) |
| Pin 144 | I/O — User I/O pin (bank 1) |
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
EP1K30TC1443N is suitable for 6 applications: Industrial Control Glue Logic, JTAG Protocol Bridge / Bus Interface, Low-Volume ASIC Replacement, Custom State-Machine Motor Controller, Educational FPGA Platform, Legacy Board Second-Source Production.
Industrial Control Glue Logic
The EP1K30TC1443N's 1,728 logic elements and 102 user I/O pins fit industrial PLC backplane glue logic where multiple discrete 74-series logic ICs would otherwise be needed. With 2.5 V core and 3.3 V/5 V-tolerant I/O banks, it bridges 24 V industrial sensor signals to a 3.3 V microcontroller bus via LVCMOS interfaces - the TQFP-144 footprint supports reflow soldering on standard FR-4 boards. Designers typically target 50-80 MHz operation for glue-logic glue, well within the -3 speed-grade envelope.
Recommended
JTAG Protocol Bridge / Bus Interface
The EP1K30TC1443N's dedicated JTAG TAP (TCK/TMS/TDO/TDI) and 102 user I/O make it well suited as a glue-free bridge between legacy parallel buses (8/16/32-bit) and modern serial protocols like SPI, I2C, or UART. The 24 Kbit embedded SRAM (EAB) provides FIFO buffers for protocol conversion at sustained rates up to ~80 MHz in -3 speed grade. Hot-socketing support lets the bridge be added to a powered backplane without disturbing downstream logic.
Recommended
Low-Volume ASIC Replacement
For test & measurement equipment produced in volumes under 5,000 units, the EP1K30TC1443N replaces a custom ASIC by giving designers full Quartus II 13.0 programmability in a hand-solderable TQFP-144. Embedded SRAM blocks (EABs) implement up to 24 Kbit of waveform memory or coefficient tables without consuming LE resources. The 2.5 V core and per-bank VCCIO let a single FPGA replace a board of 74LS, 74HC, and 74LVC logic families.
Recommended
Custom State-Machine Motor Controller
ACEX 1K FPGAs are widely used in stepper and BLDC motor control as fast deterministic state machines running 6-step or FOC commutation loops. The EP1K30TC1443N's 102 user I/O accept quadrature encoder feedback, Hall sensors, and PWM outputs to three half-bridges; LAB carry-chains deliver sub-100 ns PWM edge resolution in -3 speed grade. The TQFP-144 industrial footprint survives under-hood thermal environments with adequate PCB copper pour.
Recommended
Educational FPGA Platform
Universities and makers still use the EP1K30TC1443N on legacy Altera education boards because the TQFP-144 is hand-solderable on breakout PCBs and supports the textbook-standard Quartus II 13.0 toolchain. The 1,728 LEs accommodate a full RISC-V soft core, UART, and GPIO lab exercises within a single device. Industrial-commercial 0-70C temperature grade matches classroom lab conditions.
Recommended
Legacy Board Second-Source Production
OEMs whose end-products were designed around the EP1K30TC1443N 10-20 years ago use this part (or its -1/-2 speed-grade siblings) to maintain production without re-spinning the PCB. The TQFP-144 footprint has been stable across the speed-grade variants, so qualified BOMs can substitute EP1K30TC144-3N for EP1K30TC144-2N with no layout change. This is the dominant use case for the remaining channel inventory in 2026.
Recommended
Recommended Products Summary
Engineering reference data for EP1K30TC1443N — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EP1K30TC144-2N | EP1K30TC144-1N | EP1K30TC144-3 | EP1K30QI208-3N |
|---|---|---|---|---|---|
| Brand | Altera | Altera | Altera | Altera | Altera |
| Package | TQFP-144 | TQFP-144 (same) | TQFP-144 (same) | TQFP-144 (same) | QFP-208 (different - PCB rework required) |
| Speed Grade | -3 (slowest) | -2 (medium) | -1 (fastest) | -3 (same as this part) | -3 (same) |
| Logic Elements | 1,728 LEs | 1,728 LEs (same die) | 1,728 LEs (same die) | 1,728 LEs (same die) | 1,728 LEs (same die) |
| Max User I/O | 102 | 102 (same) | 102 (same) | 102 (same) | 147 (more, but requires QFP-208 footprint) |
| Core Voltage | 2.5 V | 2.5 V (same) | 2.5 V (same) | 2.5 V (same) | 2.5 V (same) |
| Embedded SRAM | 24 Kbit (EAB) | 24 Kbit (same) | 24 Kbit (same) | 24 Kbit (same) | 24 Kbit (same) |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Approx. Unit Price (1 qty) | $18.50 | $22.00 (slightly higher, faster grade) | $28.00 (highest, fastest grade) | $18.00 (no 'N' suffix variant) | [DATA_NEEDED] |
Key Differentiators
- Drop-in TQFP-144 speed-grade flexibility (vs EP1K30TC144-2N)
- Slower speed grade enables lowest-cost positioning (vs EP1K30TC144-1N)
- TQFP-144 hand-solderable footprint (vs EP1K30QI208-3N)
Design Notes
Do not assume modern Quartus Prime supports ACEX 1K - it does not. Use Quartus II 13.0 or earlier for synthesis, place-and-route, and bitstream generation. Newer toolchains (Quartus Prime 18.x and beyond) silently drop ACEX 1K from the device list, producing 'unsupported device family' errors at compile time. Migrating to Cyclone IV or Cyclone 10 LP requires a full Quartus Prime port with possible RTL changes.
VCCINT (2.5 V core) and VCCIO (per-bank I/O) must be decoupled with 0.1 uF ceramic capacitors placed as close as possible to each supply pin - one cap per VCC pin and one bulk 10-47 uF tantalum or polymer cap per supply rail. The ACEX 1K family has high inrush during configuration; ensure the 2.5 V regulator can source at least 1.5x steady-state ICCINT to avoid VCCINT droop that aborts configuration.
TQFP-144 footprints require 0.5 mm pitch traces escaping from all four sides - use inner PCB layers for power and ground pours to free up outer-layer routing. For hot-socketing applications, add a soft-start circuit on VCCINT to limit inrush to less than 200 mA/us; the ACEX 1K datasheet specifies the maximum VCCINT slew rate that prevents latch-up during live insertion. JTAG chain integrity is critical for production programming - keep TDI/TDO traces short and add 10K pull-ups on nCONFIG and nSTATUS.
ACEX 1K LVTTL outputs drive up to 24 mA per pin, but the -3 speed grade has slower edge rates (typically 2-4 ns) than -1 grade. For clock signals above 100 MHz, route clocks on inner stripline layers with 50 ohm characteristic impedance and use dedicated CLK0/CLK1/CLK2 pins rather than regular I/O to enter the global clock network - this avoids skew across the LAB array.
Compliance Information
RoHS compliant per legacy Altera product page (lead-free finish). Not AEC-Q100 qualified - industrial/commercial use only. Halogen-free status not explicitly stated in legacy datasheet - set to unknown.
