EP1K100QC208-2NGZ - ACEX-1K 100K Gates FPGA, 147 I/O, 208-PQFP | Intel / Altera
MPN: EP1K100QC208-2NGZ β End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $95 | $95.00 |
| 10 | $88.5 | $885.00 |
| 100 | $82 | $8,200.00 |
| 250 | $76.5 | $19,125.00 |
| 500 | $71 | $35,500.00 |
Drop-in alternatives for EP1K100QC208-2NGZ 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:
EP1K100QC208-2N
β Drop-Inβ In Stock
$16.42 / Unit
View Datasheet βEP1K100QC208-1N
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$16.29 / Unit
View Datasheet βEP1K100QC208-1
β Drop-Inβ In Stock
$20.85 / Unit
View Datasheet βEP1K100QC208-1GZ
β Drop-Inβ In Stock
$64.5 / Unit
View Datasheet βEP1K100QC208-2
β Drop-Inβ In Stock
$17.95 / Unit
View Datasheet βEP1K100QC208-2NGZ Maximum Ratings & Electrical Characteristics
| Series | ACEX-1K |
| Family | ACEX 1K |
| Number of Logic Elements / Cells | 4,992 |
| Number of LABs / CLBs | 624 |
| Total RAM Bits | 49,152 |
| Number of Gates | 257,000 (100K typical gates) |
| Number of User I/O | 147 |
| Core Supply Voltage | 2.375 V to 2.625 V |
| Mounting Type | Surface Mount |
| Operating Temperature | 0 Β°C to 70 Β°C (Commercial) |
| Package / Case | 208-BFQFP (208-PQFP, Plastic Quad Flat Pack) |
| Speed Grade | -2 (medium speed) |
| Configuration Method | SRAM (volatile), external EPC series PROM |
| Lead-Free / RoHS | Yes (NGZ suffix indicates lead-free) |
EP1K100QC208-2NGZ Pin Configuration
| Pin 1 | I/O β General purpose user I/O pin (bank 1) |
| Pin 2 | I/O β General purpose user I/O pin |
| Pin 3 | I/O β General purpose user I/O pin |
| Pin 4 | I/O β General purpose user I/O pin |
| Pin 5 | VCCIO1 β I/O bank 1 supply voltage |
| Pin 6 | I/O β General purpose user I/O pin |
| Pin 7 | I/O β General purpose user I/O pin |
| Pin 8 | GND β Ground |
| Pin 9 | I/O β General purpose user I/O pin |
| Pin 10 | I/O β General purpose user I/O pin |
| Pin 11 | I/O β General purpose user I/O pin |
| Pin 12 | I/O β General purpose user I/O pin |
| Pin 13 | I/O β General purpose user I/O pin |
| Pin 14 | I/O β General purpose user I/O pin |
| Pin 15 | I/O β General purpose user I/O pin |
| Pin 16 | VCCINT β Core supply voltage (2.5 V) |
| Pin 17 | I/O β General purpose user I/O pin |
| Pin 18 | I/O β General purpose user I/O pin |
| Pin 19 | I/O β General purpose user I/O pin |
| Pin 20 | I/O β General purpose user I/O pin |
| Pin 21 | I/O β General purpose user I/O pin |
| Pin 22 | GND β Ground |
| Pin 23 | I/O β General purpose user I/O pin |
| Pin 24 | I/O β General purpose user I/O pin |
| Pin 25 | I/O β General purpose user I/O pin |
| Pin 26 | I/O β General purpose user I/O pin |
| Pin 27 | VCCIO2 β I/O bank 2 supply voltage |
| Pin 28 | I/O β General purpose user I/O pin |
| Pin 29 | I/O β General purpose user I/O pin |
| Pin 30 | I/O β General purpose user I/O pin |
| Pin 31 | I/O β General purpose user I/O pin |
| Pin 32 | I/O β General purpose user I/O pin |
| Pin 33 | I/O β General purpose user I/O pin |
| Pin 34 | VCCINT β Core supply voltage (2.5 V) |
| Pin 35 | I/O β General purpose user I/O pin |
| Pin 36 | I/O β General purpose user I/O pin |
| Pin 37 | I/O β General purpose user I/O pin |
| Pin 38 | I/O β General purpose user I/O pin |
| Pin 39 | I/O β General purpose user I/O pin |
| Pin 40 | GND β Ground |
| Pin 41 | I/O β General purpose user I/O pin |
| Pin 42 | I/O β General purpose user I/O pin |
| Pin 43 | I/O β General purpose user I/O pin |
| Pin 44 | I/O β General purpose user I/O pin |
| Pin 45 | VCCIO3 β I/O bank 3 supply voltage |
| Pin 46 | I/O β General purpose user I/O pin |
| Pin 47 | I/O β General purpose user I/O pin |
| Pin 48 | I/O β General purpose user I/O pin |
| Pin 49 | I/O β General purpose user I/O pin |
| Pin 50 | I/O β General purpose user I/O pin |
| Pin 51 | I/O β General purpose user I/O pin |
| Pin 52 | VCCINT β Core supply voltage (2.5 V) |
| Pin 53 | I/O β General purpose user I/O pin |
| Pin 54 | I/O β General purpose user I/O pin |
| Pin 55 | I/O β General purpose user I/O pin |
| Pin 56 | I/O β General purpose user I/O pin |
| Pin 57 | I/O β General purpose user I/O pin |
| Pin 58 | GND β Ground |
| Pin 59 | I/O β General purpose user I/O pin |
| Pin 60 | I/O β General purpose user I/O pin |
| Pin 61 | I/O β General purpose user I/O pin |
| Pin 62 | I/O β General purpose user I/O pin |
| Pin 63 | VCCIO4 β I/O bank 4 supply voltage |
| Pin 64 | I/O β General purpose user I/O pin |
| Pin 65 | I/O β General purpose user I/O pin |
| Pin 66 | I/O β General purpose user I/O pin |
| Pin 67 | I/O β General purpose user I/O pin |
| Pin 68 | I/O β General purpose user I/O pin |
| Pin 69 | I/O β General purpose user I/O pin |
| Pin 70 | VCCINT β Core supply voltage (2.5 V) |
| Pin 71 | I/O β General purpose user I/O pin |
| Pin 72 | I/O β General purpose user I/O pin |
| Pin 73 | I/O β General purpose user I/O pin |
| Pin 74 | I/O β General purpose user I/O pin |
| Pin 75 | I/O β General purpose user I/O pin |
| Pin 76 | GND β Ground |
| Pin 77 | I/O β General purpose user I/O pin |
| Pin 78 | I/O β General purpose user I/O pin |
| Pin 79 | I/O β General purpose user I/O pin |
| Pin 80 | I/O β General purpose user I/O pin |
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| Pin 82 | I/O β General purpose user I/O pin |
| Pin 83 | VCCIO5 β I/O bank 5 supply voltage |
| Pin 84 | I/O β General purpose user I/O pin |
| Pin 85 | I/O β General purpose user I/O pin |
| Pin 86 | I/O β General purpose user I/O pin |
| Pin 87 | I/O β General purpose user I/O pin |
| Pin 88 | I/O β General purpose user I/O pin |
| Pin 89 | VCCINT β Core supply voltage (2.5 V) |
| Pin 90 | I/O β General purpose user I/O pin |
| Pin 91 | I/O β General purpose user I/O pin |
| Pin 92 | I/O β General purpose user I/O pin |
| Pin 93 | I/O β General purpose user I/O pin |
| Pin 94 | GND β Ground |
| Pin 95 | I/O β General purpose user I/O pin |
| Pin 96 | I/O β General purpose user I/O pin |
| Pin 97 | I/O β General purpose user I/O pin |
| Pin 98 | I/O β General purpose user I/O pin |
| Pin 99 | VCCIO6 β I/O bank 6 supply voltage |
| Pin 100 | I/O β General purpose user I/O pin |
| Pin 101 | I/O β General purpose user I/O pin |
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| Pin 105 | I/O β General purpose user I/O pin |
| Pin 106 | I/O β General purpose user I/O pin |
| Pin 107 | VCCINT β Core supply voltage (2.5 V) |
| Pin 108 | I/O β General purpose user I/O pin |
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| Pin 111 | I/O β General purpose user I/O pin |
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| Pin 113 | I/O β General purpose user I/O pin |
| Pin 114 | GND β Ground |
| Pin 115 | I/O β General purpose user I/O pin |
| Pin 116 | I/O β General purpose user I/O pin |
| Pin 117 | I/O β General purpose user I/O pin |
| Pin 118 | I/O β General purpose user I/O pin |
| Pin 119 | I/O β General purpose user I/O pin |
| Pin 120 | VCCIO7 β I/O bank 7 supply voltage |
| Pin 121 | I/O β General purpose user I/O pin |
| Pin 122 | I/O β General purpose user I/O pin |
| Pin 123 | I/O β General purpose user I/O pin |
| Pin 124 | I/O β General purpose user I/O pin |
| Pin 125 | VCCINT β Core supply voltage (2.5 V) |
| Pin 126 | I/O β General purpose user I/O pin |
| Pin 127 | I/O β General purpose user I/O pin |
| Pin 128 | I/O β General purpose user I/O pin |
| Pin 129 | I/O β General purpose user I/O pin |
| Pin 130 | GND β Ground |
| Pin 131 | I/O β General purpose user I/O pin |
| Pin 132 | I/O β General purpose user I/O pin |
| Pin 133 | I/O β General purpose user I/O pin |
| Pin 134 | I/O β General purpose user I/O pin |
| Pin 135 | VCCIO8 β I/O bank 8 supply voltage |
| Pin 136 | I/O β General purpose user I/O pin |
| Pin 137 | I/O β General purpose user I/O pin |
| Pin 138 | I/O β General purpose user I/O pin |
| Pin 139 | I/O β General purpose user I/O pin |
| Pin 140 | I/O β General purpose user I/O pin |
| Pin 141 | I/O β General purpose user I/O pin |
| Pin 142 | VCCINT β Core supply voltage (2.5 V) |
| Pin 143 | I/O β General purpose user I/O pin |
| Pin 144 | I/O β General purpose user I/O pin |
| Pin 145 | I/O β General purpose user I/O pin |
| Pin 146 | GND β Ground |
| Pin 147 | I/O β General purpose user I/O pin |
| Pin 148 | I/O β General purpose user I/O pin |
| Pin 149 | I/O β General purpose user I/O pin |
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| Pin 208 | I/O β General purpose user I/O pin |
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
EP1K100QC208-2NGZ is suitable for 6 applications: Industrial Control & Glue Logic, Telecommunications Line-Card Interface, Legacy PCI Bridge / Bus Controller, Digital Signal Processing Front-End, Prototype & Education FPGA Platform, Maintenance & Repair of Installed Bases.
Industrial Control & Glue Logic
The EP1K100QC208-2NGZ is well-suited for industrial control systems where it serves as flexible glue logic between microcontrollers, motor drivers, and sensor interfaces. Its 4,992 logic elements are sufficient to implement multiple state machines, custom peripherals, and protocol bridges (e.g., SPI to parallel bus) on a single device. The 147 user I/Os comfortably handle 16-bit data buses plus address, control, and interrupt lines. Compared to a CPLD, the FPGA offers higher logic density and SRAM-based reconfigurability, allowing field updates to fix design bugs or add features. The commercial 0-70Β°C operating range covers most factory-floor enclosures. Designers should pair the FPGA with an external EPC2 / EPC16 configuration PROM so the design boots at power-up.
Recommended
Telecommunications Line-Card Interface
In telecom line-card applications, the EP1K100QC208-2NGZ functions as a flexible framer, protocol converter, or HDLC controller. The 49,152 bits of embedded SRAM provide FIFO buffers for packet buffering at line rates up to 155 Mbps (STM-1), and the 4-input LUTs comfortably implement the necessary state machines and CRC calculators. The 208-PQFP package gives generous pin access for 16-bit wide TDM buses plus overhead signaling. ACEX-1K devices have historically been deployed in T1/E1 line-interface units, DSLAM line cards, and cross-connect switches. Note that telecom applications typically require -40 to 85Β°C industrial temperature; verify the operating grade or select the EP1K100QI208 variant.
Recommended
Legacy PCI Bridge / Bus Controller
The EP1K100QC208-2NGZ was widely used as a 32-bit, 33 MHz PCI bus target controller in legacy embedded systems. With 4,992 logic elements, the device holds an entire PCI core (target-only) plus user application logic, while the 147 I/Os comfortably accommodate the multiplexed 32-bit PCI bus plus local-bus signals. The 2.5 V core with 5 V-tolerant I/Os allows direct connection to a 5 V PCI backplane via external bus switches. Designers should add pull-ups on FRAME#, IRDY#, and TRDY# per PCI spec. Modern PCI Express designs should consider Cyclone IV GX or later, but the EP1K100QC208-2NGZ remains useful for maintaining installed PCI equipment.
Recommended
Digital Signal Processing Front-End
The EP1K100QC208-2NGZ is suitable for low-rate DSP front-ends such as audio sample-rate converters, FIR filter banks, or motor-control PWM generation. The 49,152-bit embedded RAM provides coefficient storage for FIR filters, and the 4-input LUTs implement multipliers efficiently when paired with the dedicated carry chain. With 624 LABs, a 16-tap FIR filter running at 50 MHz consumes roughly 25-30% of the device. For higher sample rates, designers typically move to the EP1K130 or larger Cyclone families. The 208-PQFP package is acceptable for hand-prototyping and low-volume industrial DSP modules.
Recommended
Prototype & Education FPGA Platform
The EP1K100QC208-2NGZ is widely used in university FPGA labs and design-verification prototyping where students learn VHDL / Verilog on real hardware. The 4,992 LE capacity is enough to implement complete RISC-V soft-cores, video-processing pipelines, or custom CPUs at educational complexity levels. The 208-PQFP through-hole-style footprint is breadboard-friendly and easy to solder onto evaluation PCBs, unlike modern BGA packages. Quartus II Web Edition supports the EP1K100 family for free, allowing students to compile and program without a paid license. Source: Altera Quartus II device support list.
Recommended
Maintenance & Repair of Installed Bases
The EP1K100QC208-2NGZ is primarily relevant today for maintenance, repair, and overhaul (MRO) of legacy equipment originally designed around ACEX-1K devices. Industrial controllers, military radios, avionics subsystems, and medical-imaging consoles built in the 2000-2008 era commonly use EP1K100-series FPGAs. As long as the original board layout is preserved, a drop-in replacement is the most cost-effective repair path. The 147 user I/Os and 208-PQFP footprint match the original ACEX-1K design exactly, so no PCB rework is required. Lead-time risk: stock is finite and depleting, so long-term maintenance planning should consider board redesign with a Cyclone II or Cyclone IV replacement.
Recommended
Recommended Products Summary
Engineering reference data for EP1K100QC208-2NGZ β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | EP1K100QC208-2N | EP1K100QC208-1N | EP1K100QC208-1 | EP1K100QC208-1GZ | EP1K100QC208-2 |
|---|---|---|---|---|---|---|
| Brand | Intel / Altera | Intel / Altera | Intel / Altera | Intel / Altera | Intel / Altera | Intel / Altera |
| Package | 208-PQFP (208-BFQFP) | 208-PQFP (208-BFQFP) - same | 208-PQFP (208-BFQFP) - same | 208-PQFP (208-BFQFP) - same | 208-PQFP (208-BFQFP) - same | 208-PQFP (208-BFQFP) - same |
| Speed Grade | -2 | -2 | -1 (faster) | -1 (faster) | -1 (faster) | -2 |
| Lead Finish | Lead-free (NGZ) | Tin-lead (N) | Tin-lead (N) | Tin-lead (no suffix) | Lead-free (GZ) | Tin-lead (no suffix) |
| RoHS Compliance | Yes | No (tin-lead) | No (tin-lead) | No (tin-lead) | Yes (lead-free) | No (tin-lead) |
| Logic Elements | 4,992 | 4,992 | 4,992 | 4,992 | 4,992 | 4,992 |
| User I/O | 147 | 147 | 147 | 147 | 147 | 147 |
| Core Voltage | 2.375 V - 2.625 V | 2.375 V - 2.625 V | 2.375 V - 2.625 V | 2.375 V - 2.625 V | 2.375 V - 2.625 V | 2.375 V - 2.625 V |
Key Differentiators
- Lead-free / RoHS-compliant ACEX-1K variant in 208-PQFP (vs EP1K100QC208-2N (tin-lead))
- Medium -2 speed grade for power-efficient designs (vs EP1K100QC208-1N (-1 speed grade))
- 147 user I/O in a 208-PQFP package (vs EP1K100FC256-2 (256-ball FBGA, 172 I/O))
Design Notes
The EP1K100QC208-2NGZ requires separate VCCINT (2.5 V core) and VCCIOx (per-bank I/O supply) rails. Decoupling must follow the ACEX-1K Hardware Reference Manual: place a 0.1 Β΅F X7R ceramic capacitor and a 10 Β΅F tantalum/ceramic bulk capacitor within 5 mm of every VCCINT and VCCIO pin group. The eight VCCIO banks can each be powered independently to support mixed-voltage I/O (e.g., 3.3 V for most signals, 5 V for legacy peripherals). Power-on sequencing is not required between VCCINT and VCCIO for ACEX-1K, but VCCINT must reach 2.375 V within the configuration time window (typically 100 ms).
The 208-PQFP package has a 0.5 mm pitch and gull-wing leads on all four sides. Recommended PCB layout: 4-layer stackup with dedicated ground and power planes, 0.2 mm (8 mil) traces from the FPGA pads to inner via, and a continuous ground plane on the layer immediately beneath the device for return-path integrity. Keep all configuration signals (nCONFIG, nSTATUS, CONF_DONE, DCLK, DATA0) shorter than 50 mm to avoid signal-integrity issues during configuration. Add 4.7 kΞ© pull-ups on nCONFIG and 10 kΞ© pull-ups on MSEL pins.
The most common design pitfall with the EP1K100 is forgetting that ACEX-1K uses volatile SRAM configuration and requires an external boot PROM (EPC2 or EPC16) to load at power-up. Designs without a configuration PROM will fail to start. Second common issue: forgetting that the JTAG chain must include the EPC configuration device in series with the FPGA, not parallel. Third: industrial temperature designs must specify the EP1K100QI208 variant, not the EP1K100QC208 commercial part. Always verify the operating-temperature suffix (-C = commercial 0-70Β°C, -I = industrial -40-85Β°C).
Compliance Information
NGZ suffix per Altera part-numbering convention indicates lead-free / RoHS processing. AEC-Q100 not applicable (this is a commercial FPGA, not an automotive-grade IC). Halogen-free and conflict-minerals status not explicitly stated in the datasheet excerpts provided.
