EP1K50TL144-2 - ACEX 1K FPGA 50K Gates 144-TQFP | Altera
MPN: EP1K50TL144-2 β End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $48.5 | $48.50 |
| 10 | $41.2 | $412.00 |
| 100 | $32.75 | $3,275.00 |
| 500 | $26.4 | $13,200.00 |
| 1,000 | $22.1 | $22,100.00 |
Drop-in alternatives for EP1K50TL144-2 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
EP1K50TI144-2
β Drop-Inβ In Stock
$27.85 / Unit
View Datasheet βEP1K50TI144-2N
β Drop-Inβ In Stock
$9.95 / Unit
View Datasheet βEP1K50TC144-2
β Drop-Inβ In Stock
$28.4 / Unit
View Datasheet βEP1K50TC144-2N
β Drop-Inβ In Stock
$22.45 / Unit
View Datasheet βEP1K30TI144-2
β Drop-Inβ In Stock
$13.85 / Unit
View Datasheet βEP1K10TI144-2
β Drop-Inβ In Stock
$16.4 / Unit
View Datasheet βEP1K50TL144-2 Maximum Ratings & Electrical Characteristics
| Family | ACEX 1K |
| Typical Gates | 50,000 |
| Logic Elements | 2,880 |
| Logic Array Blocks (LABs) | 360 |
| Embedded Memory (RAM bits) | 40,960 |
| User I/O Pins | 102 |
| Core Voltage | 2.5 V |
| I/O Voltage | 2.5 V / 3.3 V / 5.0 V (MultiVolt) |
| Process Technology | 0.18 um CMOS |
| Package | 144-pin TQFP |
| Speed Grade | -2 (faster grade) |
| Temperature Grade | Industrial (-40C to +100C) |
| Configuration | JTAG in-system programmable |
| Mounting Type | Surface Mount |
EP1K50TL144-2 Pin Configuration
| Pin 1 | I/O β User I/O pin |
| Pin 2 | I/O β User I/O pin |
| Pin 3 | I/O β User I/O pin |
| Pin 4 | I/O β User I/O pin |
| Pin 5 | VCCINT β Core voltage 2.5V |
| Pin 6 | I/O β User I/O pin |
| Pin 7 | I/O β User I/O pin |
| Pin 8 | I/O β User I/O pin |
| Pin 9 | GND β Ground |
| Pin 10 | I/O β User I/O pin |
| Pin 11 | I/O β User I/O pin |
| Pin 12 | I/O β User I/O pin |
| Pin 13 | I/O β User I/O pin |
| Pin 14 | VCCIO β I/O bank voltage |
| Pin 15 | I/O β User I/O pin |
| Pin 16 | I/O β User I/O pin |
| Pin 17 | I/O β User I/O pin |
| Pin 18 | GND β Ground |
| Pin 19 | I/O β User I/O pin |
| Pin 20 | I/O β User I/O pin |
| Pin 21 | I/O β User I/O pin |
| Pin 22 | I/O β User I/O pin |
| Pin 23 | VCCINT β Core voltage 2.5V |
| Pin 24 | I/O β User I/O pin |
| Pin 25 | I/O β User I/O pin |
| Pin 26 | I/O β User I/O pin |
| Pin 27 | GND β Ground |
| Pin 28 | I/O β User I/O pin |
| Pin 29 | I/O β User I/O pin |
| Pin 30 | I/O β User I/O pin |
| Pin 31 | I/O β User I/O pin |
| Pin 32 | VCCIO β I/O bank voltage |
| Pin 33 | I/O β User I/O pin |
| Pin 34 | I/O β User I/O pin |
| Pin 35 | I/O β User I/O pin |
| Pin 36 | GND β Ground |
| Pin 37 | I/O β User I/O pin |
| Pin 38 | I/O β User I/O pin |
| Pin 39 | I/O β User I/O pin |
| Pin 40 | I/O β User I/O pin |
| Pin 41 | VCCINT β Core voltage 2.5V |
| Pin 42 | I/O β User I/O pin |
| Pin 43 | I/O β User I/O pin |
| Pin 44 | I/O β User I/O pin |
| Pin 45 | GND β Ground |
| Pin 46 | I/O β User I/O pin |
| Pin 47 | I/O β User I/O pin |
| Pin 48 | I/O β User I/O pin |
| Pin 49 | I/O β User I/O pin |
| Pin 50 | VCCIO β I/O bank voltage |
| Pin 51 | I/O β User I/O pin |
| Pin 52 | I/O β User I/O pin |
| Pin 53 | I/O β User I/O pin |
| Pin 54 | GND β Ground |
| Pin 55 | I/O β User I/O pin |
| Pin 56 | I/O β User I/O pin |
| Pin 57 | I/O β User I/O pin |
| Pin 58 | I/O β User I/O pin |
| Pin 59 | VCCINT β Core voltage 2.5V |
| Pin 60 | I/O β User I/O pin |
| Pin 61 | I/O β User I/O pin |
| Pin 62 | I/O β User I/O pin |
| Pin 63 | GND β Ground |
| Pin 64 | I/O β User I/O pin |
| Pin 65 | I/O β User I/O pin |
| Pin 66 | I/O β User I/O pin |
| Pin 67 | I/O β User I/O pin |
| Pin 68 | VCCIO β I/O bank voltage |
| Pin 69 | I/O β User I/O pin |
| Pin 70 | I/O β User I/O pin |
| Pin 71 | I/O β User I/O pin |
| Pin 72 | GND β Ground |
| Pin 73 | TMS β JTAG Test Mode Select |
| Pin 74 | TCK β JTAG Test Clock |
| Pin 75 | TDI β JTAG Test Data In |
| Pin 76 | nCONFIG β Configuration control |
| Pin 77 | VCCINT β Core voltage 2.5V |
| Pin 78 | nSTATUS β Configuration status |
| Pin 79 | CONF_DONE β Configuration done |
| Pin 80 | MSEL0 β Configuration mode select 0 |
| Pin 81 | MSEL1 β Configuration mode select 1 |
| Pin 82 | GND β Ground |
| Pin 83 | I/O β User I/O pin |
| Pin 84 | I/O β User I/O pin |
| Pin 85 | I/O β User I/O pin |
| Pin 86 | I/O β User I/O pin |
| Pin 87 | VCCIO β I/O bank voltage |
| Pin 88 | I/O β User I/O pin |
| Pin 89 | I/O β User I/O pin |
| Pin 90 | I/O β User I/O pin |
| Pin 91 | GND β Ground |
| Pin 92 | I/O β User I/O pin |
| Pin 93 | I/O β User I/O pin |
| Pin 94 | I/O β User I/O pin |
| Pin 95 | I/O β User I/O pin |
| Pin 96 | VCCINT β Core voltage 2.5V |
| Pin 97 | I/O β User I/O pin |
| Pin 98 | I/O β User I/O pin |
| Pin 99 | I/O β User I/O pin |
| Pin 100 | GND β Ground |
| Pin 101 | I/O β User I/O pin |
| Pin 102 | I/O β User I/O pin |
| Pin 103 | I/O β User I/O pin |
| Pin 104 | I/O β User I/O pin |
| Pin 105 | VCCIO β I/O bank voltage |
| Pin 106 | I/O β User I/O pin |
| Pin 107 | I/O β User I/O pin |
| Pin 108 | I/O β User I/O pin |
| Pin 109 | GND β Ground |
| Pin 110 | I/O β User I/O pin |
| Pin 111 | I/O β User I/O pin |
| Pin 112 | I/O β User I/O pin |
| Pin 113 | I/O β User I/O pin |
| Pin 114 | VCCINT β Core voltage 2.5V |
| Pin 115 | I/O β User I/O pin |
| Pin 116 | I/O β User I/O pin |
| Pin 117 | GND β Ground |
| Pin 118 | I/O β User I/O pin |
| Pin 119 | I/O β User I/O pin |
| Pin 120 | I/O β User I/O pin |
| Pin 121 | I/O β User I/O pin |
| Pin 122 | VCCIO β I/O bank voltage |
| Pin 123 | I/O β User I/O pin |
| Pin 124 | I/O β User I/O pin |
| Pin 125 | I/O β User I/O pin |
| Pin 126 | GND β Ground |
| Pin 127 | I/O β User I/O pin |
| Pin 128 | I/O β User I/O pin |
| Pin 129 | I/O β User I/O pin |
| Pin 130 | I/O β User I/O pin |
| Pin 131 | VCCINT β Core voltage 2.5V |
| Pin 132 | I/O β User I/O pin |
| Pin 133 | I/O β User I/O pin |
| Pin 134 | I/O β User I/O pin |
| Pin 135 | GND β Ground |
| Pin 136 | I/O β User I/O pin |
| Pin 137 | I/O β User I/O pin |
| Pin 138 | I/O β User I/O pin |
| Pin 139 | I/O β User I/O pin |
| Pin 140 | VCCIO β I/O bank voltage |
| Pin 141 | I/O β User I/O pin |
| Pin 142 | I/O β User I/O pin |
| Pin 143 | I/O β User I/O pin |
| Pin 144 | TDO β JTAG Test Data Out |
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
EP1K50TL144-2 is suitable for 6 applications: DSL Modem Glue Logic, Low-Cost Network Switches and Routers, PCI Bridge and Interface Controllers, Industrial Control and Automation, Legacy Telecommunications Infrastructure, Embedded Prototyping and ASIC Replacement.
DSL Modem Glue Logic
The EP1K50TL144-2's 50,000 gates and 40,960 bits of embedded memory make it well-suited for DSL modem glue logic functions including ATM cell processing, TC layer interfacing, and bus arbitration. With 102 user I/Os, the 144-TQFP can connect directly to upstream PHY chips, downstream DSP processors, and memory interfaces without external muxing. The 2.5V core with MultiVolt I/O supports 3.3V PHY/MAC interfacing common in DSL designs, and the embedded EABs efficiently implement dual-port RAM buffers for cell queuing.
Recommended
Low-Cost Network Switches and Routers
The EP1K50TL144-2's combination of 2,880 logic elements, 360 LABs, and 102 user I/Os makes it appropriate for low-cost switch/router glue logic, MAC address table management, and packet buffer control. Engineers can implement custom lookup tables in the embedded EABs for routing decisions while leveraging the LABs for state-machine based forwarding engines. The 144-TQFP package's exposed thermal pad handles industrial temperature operating environments typical in networking equipment, and JTAG in-system programmability enables field firmware updates.
Recommended
PCI Bridge and Interface Controllers
The EP1K50TL144-2's 50K gate capacity is sufficient to implement PCI bus bridges, including target and master state machines, parity generation, and address decoding logic. The 102 available user I/Os accommodate 32-bit PCI bus (32 data + 32 address/control + JTAG + misc) plus expansion headers. The MultiVolt I/O (2.5V/3.3V/5V) allows direct interfacing to 5V PCI slots in legacy systems. Embedded memory (40,960 bits) can be used for FIFO buffers between PCI and local bus.
Recommended
Industrial Control and Automation
The EP1K50TL144-2's industrial temperature rating (-40C to +100C) and robust 144-TQFP package make it suitable for industrial PLCs, motor control interfaces, and sensor signal conditioning circuits. With 2,880 logic elements, engineers can implement PWM generators, quadrature decoders, and industrial protocol stacks (Modbus, Profibus glue). The 40,960 bits of embedded memory support data logging buffers, while the 102 user I/Os accommodate multiple encoder inputs, sensor channels, and isolated communication interfaces.
Recommended
Legacy Telecommunications Infrastructure
The EP1K50TL144-2 is widely deployed in legacy telecommunications equipment including T1/E1 framer interfaces, HDLC controllers, and ISDN terminal adapters. Its 2.5V core and MultiVolt I/O match the mixed-voltage environments of telecom backplanes, while the 144-TQFP footprint provides enough I/O for serial data streams plus control logic. The device's deterministic timing via Quartus timing analysis is critical for telecom clock-domain crossing, and its in-system JTAG programmability supports field upgrades of deployed equipment.
Recommended
Embedded Prototyping and ASIC Replacement
The EP1K50TL144-2's 50K gate capacity and JTAG-based in-system programmability make it an ideal prototyping platform for ASIC designs in the mid-complexity range (consumer electronics, automotive subsystems, peripheral controllers). Engineers can iterate RTL designs rapidly without mask costs, validate ASIC functionality in-system, then migrate to low-cost mask ROM for volume production. The embedded EABs can model ASIC SRAM blocks, while the 102 user I/Os emulate typical ASIC pad ring configurations including boundary scan chains.
Recommended
Recommended Products Summary
Engineering reference data for EP1K50TL144-2 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EP1K50TI144-2 | EP1K50TI144-2N | EP1K50TC144-2 | EP1K30TI144-2 | EP1K10TI144-2 |
|---|---|---|---|---|---|---|
| Package | 144-TQFP | 144-TQFP - same | 144-TQFP - same | 144-TQFP - same | 144-TQFP - same | 144-TQFP - same |
| Brand | Altera | Altera | Altera | Altera | Altera | Altera |
| Family | ACEX 1K | ACEX 1K | ACEX 1K | ACEX 1K | ACEX 1K | ACEX 1K |
| Typical Gates | 50,000 | 50,000 | 50,000 | 50,000 | 30,000 (-40%) | 10,000 (-80%) |
| Logic Elements | 2,880 | 2,880 | 2,880 | 2,880 | 1,728 (-40%) | 576 (-80%) |
| Embedded RAM (bits) | 40,960 | 40,960 | 40,960 | 40,960 | 24,576 (-40%) | 12,288 (-70%) |
| User I/O | 102 | 102 | 102 | 102 | 102 | 102 |
| Speed Grade | -2 | -2 | -2 | -2 | -2 | -2 |
| Temperature Grade | Industrial (-40C to +100C) | Industrial | Industrial (lead-free) | Commercial (0C to +85C) | Industrial | Industrial |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
Key Differentiators
- Industrial temperature grade (-40C to +100C) for harsh environments (vs EP1K50TC144-2)
- Highest gate density in ACEX 1K TQFP-144 footprint (vs EP1K30TI144-2)
- Pin-compatible with smaller ACEX 1K TQFP-144 variants (vs EP1K10TI144-2)
Design Notes
The EP1K50TL144-2 requires separate VCCINT (2.5V core) and VCCIO (MultiVolt I/O bank) supplies. According to the Altera ACEX 1K datasheet, VCCIO can be set to 2.5V, 3.3V, or 5.0V to match downstream peripherals. Decoupling: place 0.1 uF ceramic capacitors adjacent to every VCCINT and VCCIO pin, plus 10 uF bulk tantalum per supply rail. Estimated core current: approximately 50-100 mA typical (varies with utilization and clock rate); I/O current depends on bank switching activity.
The 144-pin TQFP package (no exposed thermal pad) has limited thermal dissipation, making the EP1K50TL144-2 suitable only for low to moderate utilization rates. According to Altera's thermal characteristics, theta_JA is approximately 30-40 C/W on a 4-layer PCB with adequate copper pour. For industrial temp (-40C to +100C) operation with high toggle rates, ensure ambient temperature stays below 70C with proper airflow. Estimated: at 25C ambient and 1W dissipation, junction temperature is approximately 55-65C.
For multi-bank I/O designs, route each VCCIO bank separately to allow independent voltage levels. Place JTAG pins (TCK, TMS, TDI, TDO) accessible for in-system programming via header. Use a continuous ground plane beneath the device for return paths and thermal dissipation. Keep clock inputs short and impedance-controlled (50 ohm typical). Configuration mode pins (MSEL0, MSEL1) must be tied high or low per the configuration mode selected (AS, PS, JTAG).
Common pitfalls with the EP1K50TL144-2: (1) Do not assume ACEX 1K support in modern Quartus versions - retain MAX+PLUS II or legacy Quartus II toolchains. (2) Verify all VCCINT and VCCIO pins are powered; missing supply connections cause configuration failure. (3) I/O banks must not be left floating - unused banks should have VCCIO connected to valid voltage. (4) Configuration mode pins (MSEL) must match the intended programming method.
Compliance Information
Compliance status not available in verified web data; this is an obsolete part from Altera (now Intel). For RoHS-compliant ACEX 1K variants, look for the N suffix (e.g., EP1K50TI144-2N).
