EP1K50TQ144-1 - ACEX 1K FPGA 50K Gates 144-TQFP | Intel (Altera)
MPN: EP1K50TQ144-1 ✗ اختتامِ زندگیEP1K50TQ144-1 جائزہ
An FPGA (Field Programmable Gate Array) is a semiconductor integrated circuit whose logic function is defined by a user-supplied configuration bitstream rather than at the foundry. FPGAs sit at the top of the programmable logic hierarchy (PLD -> CPLD -> FPGA -> SoC FPGA) and are used to implement custom digital logic, glue logic, state machines, DSP pipelines, and full processor subsystems after PCB fabrication. The ACEX 1K family was Altera's low-cost, 2.5 V entry in the early-2000s FPGA market, targeting glue-logic, communications, and industrial-control applications where ASIC NRE was not justified.
Key features of the EP1K50TQ144-1 include 102 maximum user I/O pins, 40,960 typical gates, 2,880 logic elements (LEs), 360 Logic Array Blocks (LABs), embedded dual-port RAM blocks (EABs) totaling 40 Kbits, in-system programmability via IEEE 1149.1 (JTAG) and the Altera EPC4/EPC8/EPC16 enhanced configuration devices, multiVolt I/O supporting 2.5 V / 3.3 V interfaces, and LVTTL/LVCMOS/LVDS/LVDS-compatible signaling. The device operates from a 0 °C to +70 °C commercial temperature range (commercial grade for the -1 speed bin at TQFP-144).
Architecturally, the ACEX 1K combines a continuous interconnect network with embedded array blocks (EABs) that implement memory and complex logic functions. Each LE contains a 4-input LUT, a programmable register, and dedicated carry and cascade chains, while each EAB provides up to 4 Kbits of dual-port RAM or ROM. The 0.22 µm process and 2.5 V core reduce power relative to 5 V PLDs of the same era, and the JTAG-based ISP enables board-level reconfiguration without removing the part.
Typical applications include low-cost glue logic, communications protocol bridges, industrial control, display controllers, and legacy system refresh where a pin-compatible second-source is required. The TQFP-144 footprint supports hand-soldering and rework, useful for prototypes and low-volume production.
When designing with this device, mind the 2.5 V VCCINT supply — a separate VCCIO bank is needed for 3.3 V interfaces, and configuration must use an Altera EPC-series device or a microprocessor-driven passive-serial scheme. The part is mature/legacy; consult Intel's product lifecycle notices for current status before committing new designs.
This page synthesizes drop-in TQFP-144 alternates from the ACEX 1K family, current distributor pricing, and practical design notes not found in the original datasheet.
کے لیے ڈراپ اِن متبادل EP1K50TQ144-1 — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں EP1K50TQ144-1 (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, Speed Grade, Process Technology, Operating Temperature, Family.
EP1K50TC144-1
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →EP1K50TC144-1N
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →EP1K50TI144-1X
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →EP1K50TI144-1X
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →EP1K50TC144-2
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →EP1K50TQ144-1 زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Family | ACEX 1K |
| Logic Elements | 2,880 |
| Typical Gates | 50,000 |
| Maximum User I/O | 102 |
| Logic Array Blocks (LABs) | 360 |
| Embedded Array Blocks (EABs) | 40 Kbits (dual-port RAM) |
| Process Technology | 0.22 µm SRAM |
| Core Supply Voltage (VCCINT) | 2.5 V |
| I/O Supply Voltage (VCCIO) | 2.5 V / 3.3 V (multiVolt) |
| Internal Operating Frequency | up to 250 MHz |
| Speed Grade | -1 (standard) |
| پیکیج | TQFP-144 |
| Configuration Interface | JTAG (IEEE 1149.1) + EPC4/EPC8/EPC16 + passive serial |
| In-System Programmability | Yes |
| آپریٹنگ درجہ حرارت | 0 °C to +70 °C (commercial) |
EP1K50TQ144-1 پن کنفیگریشن
| پن 1 | I/O — User I/O (bank dependent) |
| پن 2 | I/O — User I/O (bank dependent) |
| پن 3 | I/O — User I/O (bank dependent) |
| پن 4 | I/O — User I/O (bank dependent) |
| پن 5 | VCCINT — Core supply 2.5 V |
| پن 6 | I/O — User I/O (bank dependent) |
| پن 7 | I/O — User I/O (bank dependent) |
| پن 8 | I/O — User I/O (bank dependent) |
| پن 9 | GND — Ground |
| پن 10 | I/O — User I/O (bank dependent) |
| پن 11 | I/O — User I/O (bank dependent) |
| پن 12 | I/O — User I/O (bank dependent) |
| پن 13 | I/O — User I/O (bank dependent) |
| پن 14 | I/O — User I/O (bank dependent) |
| پن 15 | I/O — User I/O (bank dependent) |
| پن 16 | GND — Ground |
| پن 17 | I/O — User I/O (bank dependent) |
| پن 18 | I/O — User I/O (bank dependent) |
| پن 19 | VCCIO — I/O supply 2.5 V / 3.3 V |
| پن 20 | I/O — User I/O (bank dependent) |
| پن 21 | I/O — User I/O (bank dependent) |
| پن 22 | I/O — User I/O (bank dependent) |
| پن 23 | I/O — User I/O (bank dependent) |
| پن 24 | GND — Ground |
| پن 25 | I/O — User I/O (bank dependent) |
| پن 26 | I/O — User I/O (bank dependent) |
| پن 27 | I/O — User I/O (bank dependent) |
| پن 28 | I/O — User I/O (bank dependent) |
| پن 29 | I/O — User I/O (bank dependent) |
| پن 30 | VCCINT — Core supply 2.5 V |
| پن 31 | I/O — User I/O (bank dependent) |
| پن 32 | I/O — User I/O (bank dependent) |
| پن 33 | I/O — User I/O (bank dependent) |
| پن 34 | GND — Ground |
| پن 35 | I/O — User I/O (bank dependent) |
| پن 36 | I/O — User I/O (bank dependent) |
| پن 37 | I/O — User I/O (bank dependent) |
| پن 38 | I/O — User I/O (bank dependent) |
| پن 39 | I/O — User I/O (bank dependent) |
| پن 40 | VCCIO — I/O supply 2.5 V / 3.3 V |
| پن 41 | I/O — User I/O (bank dependent) |
| پن 42 | I/O — User I/O (bank dependent) |
| پن 43 | I/O — User I/O (bank dependent) |
| پن 44 | GND — Ground |
| پن 45 | I/O — User I/O (bank dependent) |
| پن 46 | I/O — User I/O (bank dependent) |
| پن 47 | I/O — User I/O (bank dependent) |
| پن 48 | I/O — User I/O (bank dependent) |
| پن 49 | I/O — User I/O (bank dependent) |
| پن 50 | VCCINT — Core supply 2.5 V |
| پن 51 | I/O — User I/O (bank dependent) |
| پن 52 | I/O — User I/O (bank dependent) |
| پن 53 | I/O — User I/O (bank dependent) |
| پن 54 | GND — Ground |
| پن 55 | I/O — User I/O (bank dependent) |
| پن 56 | I/O — User I/O (bank dependent) |
| پن 57 | I/O — User I/O (bank dependent) |
| پن 58 | I/O — User I/O (bank dependent) |
| پن 59 | I/O — User I/O (bank dependent) |
| پن 60 | VCCIO — I/O supply 2.5 V / 3.3 V |
| پن 61 | I/O — User I/O (bank dependent) |
| پن 62 | I/O — User I/O (bank dependent) |
| پن 63 | I/O — User I/O (bank dependent) |
| پن 64 | GND — Ground |
| پن 65 | I/O — User I/O (bank dependent) |
| پن 66 | I/O — User I/O (bank dependent) |
| پن 67 | I/O — User I/O (bank dependent) |
| پن 68 | I/O — User I/O (bank dependent) |
| پن 69 | I/O — User I/O (bank dependent) |
| پن 70 | VCCINT — Core supply 2.5 V |
| پن 71 | I/O — User I/O (bank dependent) |
| پن 72 | I/O — User I/O (bank dependent) |
| پن 73 | I/O — User I/O (bank dependent) |
| پن 74 | GND — Ground |
| پن 75 | I/O — User I/O (bank dependent) |
| پن 76 | I/O — User I/O (bank dependent) |
| پن 77 | I/O — User I/O (bank dependent) |
| پن 78 | I/O — User I/O (bank dependent) |
| پن 79 | I/O — User I/O (bank dependent) |
| پن 80 | VCCIO — I/O supply 2.5 V / 3.3 V |
| پن 81 | I/O — User I/O (bank dependent) |
| پن 82 | I/O — User I/O (bank dependent) |
| پن 83 | I/O — User I/O (bank dependent) |
| پن 84 | GND — Ground |
| پن 85 | I/O — User I/O (bank dependent) |
| پن 86 | I/O — User I/O (bank dependent) |
| پن 87 | I/O — User I/O (bank dependent) |
| پن 88 | I/O — User I/O (bank dependent) |
| پن 89 | I/O — User I/O (bank dependent) |
| پن 90 | VCCINT — Core supply 2.5 V |
| پن 91 | I/O — User I/O (bank dependent) |
| پن 92 | I/O — User I/O (bank dependent) |
| پن 93 | I/O — User I/O (bank dependent) |
| پن 94 | GND — Ground |
| پن 95 | I/O — User I/O (bank dependent) |
| پن 96 | I/O — User I/O (bank dependent) |
| پن 97 | I/O — User I/O (bank dependent) |
| پن 98 | I/O — User I/O (bank dependent) |
| پن 99 | I/O — User I/O (bank dependent) |
| پن 100 | VCCIO — I/O supply 2.5 V / 3.3 V |
| پن 101 | I/O — User I/O (bank dependent) |
| پن 102 | I/O — User I/O (bank dependent) |
| پن 103 | I/O — User I/O (bank dependent) |
| پن 104 | GND — Ground |
| پن 105 | I/O — User I/O (bank dependent) |
| پن 106 | I/O — User I/O (bank dependent) |
| پن 107 | nCONFIG — Configuration start (active low) |
| پن 108 | nSTATUS — Configuration status (active low) |
| پن 109 | CONF_DONE — Configuration complete |
| پن 110 | VCCINT — Core supply 2.5 V |
| پن 111 | MSEL0 — Configuration mode select |
| پن 112 | MSEL1 — Configuration mode select |
| پن 113 | nCE — Chip enable (active low) |
| پن 114 | GND — Ground |
| پن 115 | DCLK — Configuration clock input |
| پن 116 | DATA0 — Configuration data input (bit 0) |
| پن 117 | TDI — JTAG test data input |
| پن 118 | TMS — JTAG test mode select |
| پن 119 | TCK — JTAG test clock |
| پن 120 | VCCIO — I/O supply 2.5 V / 3.3 V |
| پن 121 | TDO — JTAG test data output |
| پن 122 | I/O — User I/O (bank dependent) |
| پن 123 | I/O — User I/O (bank dependent) |
| پن 124 | I/O — User I/O (bank dependent) |
| پن 125 | GND — Ground |
| پن 126 | I/O — User I/O (bank dependent) |
| پن 127 | I/O — User I/O (bank dependent) |
| پن 128 | I/O — User I/O (bank dependent) |
| پن 129 | I/O — User I/O (bank dependent) |
| پن 130 | I/O — User I/O (bank dependent) |
| پن 131 | VCCINT — Core supply 2.5 V |
| پن 132 | I/O — User I/O (bank dependent) |
| پن 133 | I/O — User I/O (bank dependent) |
| پن 134 | I/O — User I/O (bank dependent) |
| پن 135 | GND — Ground |
| پن 136 | I/O — User I/O (bank dependent) |
| پن 137 | I/O — User I/O (bank dependent) |
| پن 138 | I/O — User I/O (bank dependent) |
| پن 139 | I/O — User I/O (bank dependent) |
| پن 140 | I/O — User I/O (bank dependent) |
| پن 141 | VCCIO — I/O supply 2.5 V / 3.3 V |
| پن 142 | I/O — User I/O (bank dependent) |
| پن 143 | I/O — User I/O (bank dependent) |
| پن 144 | I/O — User I/O (bank dependent) |
عام استعمالات
EP1K50TQ144-1 کے لیے موزوں ہے 6 ایپلیکیشنs: Legacy Glue Logic Replacement, Industrial Control and Motor Drive Interface, Communications Protocol Bridging, Display Controller and Video Timing, Test and Measurement Front-End, Legacy System Refresh and Form-Fit Replacement.
Legacy Glue Logic Replacement
The EP1K50TQ144-1 fits legacy glue-logic replacement boards because its 2,880 logic elements, 102 user I/Os, and TQFP-144 footprint were designed into many late-1990s/early-2000s industrial and communications designs. Its 50,000-gate capacity comfortably handles bus bridges, address decoding, FIFO control, and asynchronous interface adaptation that previously required several discrete 74-series TTL/MSI parts. Compared with discrete logic, the EP1K50TQ144-1 collapses 5-15 chips into one FPGA, reduces board area, and allows post-build bug fixes via JTAG reconfiguration. Power is supplied at 2.5 V VCCINT with a separate VCCIO bank for 3.3 V interfaces thanks to multiVolt I/O. Programming is via Altera Quartus II 5.0/6.0 with EPC4/EPC8/EPC16 configuration devices or passive-serial from a microcontroller.
تجویز کردہ
Industrial Control and Motor Drive Interface
The EP1K50TQ144-1 is well-suited for industrial control cards driving stepper/servo motors because its 102 user I/Os accept LVTTL/LVCMOS encoder feedback, end-of-travel switches, and PWM control signals from upstream MCUs. The 40-Kbit embedded dual-port RAM (distributed across 10 EABs) holds PID coefficients, motion profiles, and encoder counters without external SRAM. MultiVolt I/O allows 5 V-tolerant input interfacing through a 3.3 V VCCIO bank with proper clamping. The device operates on a 0-70 °C window, which covers most factory-floor enclosures, and the TQFP-144 package is hand-solderable for prototype rework. Note that the EP1K50TI144-1 industrial-grade sibling should be selected for harsher -40 °C to +85 °C environments.
تجویز کردہ
Communications Protocol Bridging
Communications protocol bridges — UART-to-SPI, I2C-to-parallel, HDLC framing, and custom serializer/deserializer — are a natural fit for the EP1K50TQ144-1 because 2,880 LEs are sufficient for state-machine-driven protocol engines running at 50-100 MHz. The 360 LABs and embedded dual-port RAM allow separate TX and RX FIFOs in a single device. The TQFP-144 footprint supports 102 user I/Os, enough to drive multiple parallel buses plus a management serial interface. The part is commonly paired with a PHY such as an RS-485 transceiver or 10/100 Ethernet MAC. Programming through JTAG and EPC-series configuration devices allows field upgrades as protocols evolve.
تجویز کردہ
Display Controller and Video Timing
Display timing generation and simple LCD controller logic are well within the EP1K50TQ144-1's capability: the 250 MHz internal operating frequency supports standard VGA (25 MHz pixel) and low-resolution LVDS panel interfaces, and the 40-Kbit embedded RAM can buffer 1-2 scanlines of color data without external SRAM. With 102 user I/Os the FPGA can drive 18/24-bit RGB buses plus HSYNC/VSYNC/DE and a parallel host interface. MultiVolt I/O banks allow direct 3.3 V connection to modern TFT drivers. For LVDS panels, the EP1K50 has dedicated LVDS outputs in the TQFP-144 package, simplifying PCB layout. Pair with an EPC4 configuration device for instant-on boot.
تجویز کردہ
Test and Measurement Front-End
Test and measurement front-ends benefit from the EP1K50TQ144-1 because its 250 MHz internal operating frequency and 102 I/Os let a single device implement pattern generation, response capture, and trigger logic for digital boundary-scan or custom ATE applications. The 4-input LUT-based fabric plus dedicated carry chains enables efficient binary counters and CRCs used in BER testing. Embedded dual-port RAM stores stimulus patterns and captured responses without external memory. JTAG-based in-system programmability makes pattern re-loading trivial. The TQFP-144 footprint supports hand rework in lab prototypes, and the part is widely available from secondary distributors.
تجویز کردہ
Legacy System Refresh and Form-Fit Replacement
The EP1K50TQ144-1 is commonly specified for legacy system refresh projects where the original board layout, BOM, and firmware were certified around the Altera ACEX 1K part. Keeping the same TQFP-144 footprint allows drop-in replacement on existing PCBs without respinning layout, and the identical -1 speed bin preserves timing margins. This is especially important in regulated industries (medical, aerospace, defense) where re-certification cost dominates. The part is also a useful emulation target for bit-accurate software models. New designs should migrate to Cyclone IV/10 equivalents; legacy designs continue to be supported by the EPC configuration device family and existing Quartus II 5.0/6.0 software.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا EP1K50TQ144-1 — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | EP1K50TC144-1 | EP1K50TC144-1N | EP1K50TI144-1 | EP1K50TC144-2 |
|---|---|---|---|---|---|
| Package | TQFP-144 | TQFP-144 (same) | TQFP-144 (same) | TQFP-144 (same) | TQFP-144 (same) |
| Brand | Intel (Altera) | Intel (Altera) | Intel (Altera) | Intel (Altera) | Intel (Altera) |
| Logic Elements | 2,880 | 2,880 | 2,880 | 2,880 | 2,880 |
| Speed Grade | -1 | -1 | -1 | -1 | -2 (slower, ~20% timing penalty) |
| Operating Temperature | 0 °C to +70 °C | 0 °C to +70 °C | 0 °C to +70 °C | -40 °C to +85 °C (industrial) | 0 °C to +70 °C |
| User I/O Count | 102 | 102 | 102 | 102 | 102 |
| Lead-Free (RoHS) | Process dependent (legacy) | Process dependent | Yes (lead-free suffix) | Process dependent | Process dependent |
| Lifecycle Status | Obsolete (as of 2026-09-07) | Obsolete | Obsolete | Obsolete | Obsolete |
اہم امتیازی خصوصیات
- Drop-in TQFP-144 commercial-temperature sibling (بمقابلہEP1K50TC144-1)
- Industrial temperature grade option in same footprint (بمقابلہEP1K50TI144-1)
- Mature, second-source friendly ACEX 1K family (بمقابلہCyclone IV EP4CE6 (modern active part))
ڈیزائن نوٹس
The EP1K50TQ144-1 requires a clean 2.5 V supply for VCCINT (core) and a separate 2.5 V or 3.3 V supply for VCCIO (I/O banks). Estimated: at 250 MHz with all 2,880 LEs toggling at typical 20-30% activity, the core draws roughly 200-400 mA DC; decoupling with 0.1 µF X7R + 10 µF bulk at each VCCINT pin plus a ferrite bead is recommended. Power sequencing should ensure VCCINT ramps before VCCIO, or latch-up may occur on the I/O buffers. Use a TI TPS7A4533 or equivalent LDO for VCCINT and TPS7A3033 for VCCIO.
The TQFP-144 package has 0.5 mm pitch leads on four sides — place a continuous GND ring on the top layer under the device and stitch vias every 5 mm around the perimeter to suppress ground bounce. Estimated: keep all I/O traces shorter than 50 mm to avoid transmission-line effects above 100 MHz; route 3.3 V and 2.5 V signals in separate VCCIO banks with the LVDS pairs length-matched within 2 mm. Connect the exposed pad (if present) to GND for thermal relief.
Do not connect the EP1K50TQ144-1 directly to 5 V logic without a series resistor or level shifter — the absolute-maximum VCCIO is 3.6 V (legacy datasheet section 7) and exceeding it destroys the I/O. Configuration must complete before user I/O becomes active; if the EPC4/EPC8/EPC16 fails to drive CONF_DONE high within the spec time, the device will remain tri-stated and the board will appear 'dead'. Always recheck MSEL0/MSEL1 strap values to match the desired configuration mode (AS, PS, JTAG).
تعمیل کی معلومات
Compliance status for the EP1K50TQ144-1 is process-dependent and not explicitly stated in the legacy ACEX 1K datasheet; lead-free 'N' suffix variants (e.g., EP1K50TC144-1N) are more likely to be RoHS-compliant. AEC-Q100 is not applicable — this is a commercial/industrial FPGA. Conflict-minerals status not declared in retrieved web data.
