Intel

EP20K100CF144C9 - APEX-20K FPGA 100K Gates 144-LQFP | Intel

MPN: EP20K100CF144C9 βœ— End of Life
In Stock Ships in 1-3 business days
2.5 V Vdss LVTTL, LVCMOS, PCI, GTL+ [DATA_NEEDED: full list per datasheet I/O chapter] Rds(on) 144-LQFP Package C9 (commercial) Speed
From $49 USD / Unit
MOQ: 1 |
Price updated: 2026-09-07
Volume Pricing
Qty Unit Price Extended
1 $78.4 $78.40
10 $70.56 $705.60
100 $62.72 $6,272.00
500 $55.85 $27,925.00
1,000 $49 $49,000.00
ℹ️ All prices are in USD

Drop-in alternatives for EP20K100CF144C9 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:

EP20K100CF144C8

βœ… Drop-In
Intel
πŸ“¦ 144-LQFP
APEX-20K Β· 100,000 Β· 4,160 Β· 53,248 Β· 93 Β· 144-LQFP Β· Surface Mount Β· 0.18 micron CMOS

βœ“ In Stock

$36 / Unit

View Datasheet β†’

EP20K100CF144C8ES

βœ… Drop-In
Intel
πŸ“¦ 144-LQFP
APEX-20K Β· 53248 Β· 100000 Β· 4160 Β· 93 Β· 4160 Β· 1.8 V Β· 1.8 V / 2.5 V / 3.3 V (MultiVolt)

βœ“ In Stock

$26.4 / Unit

View Datasheet β†’

EP20K100CF144C7

βœ… Drop-In
Intel
πŸ“¦ 144-LQFP
APEX-20K Β· APEX-20K Field Programmable Gate Array Β· 4,160 Β· 53,248 Β· 4,160 Β· 93 Β· 100,000 system gates Β· 1.8 V core, 3.3 V I/O (typical APEX-20K rails)

βœ“ In Stock

$28.4 / Unit

View Datasheet β†’

EP20K100CF144C7ES

βœ… Drop-In
Intel
πŸ“¦ 144-LQFP
APEX-20K Β· 100,000 Β· 4,160 Β· 53,248 Β· 93 Β· 4 DLLs Β· 144-LQFP (20x20 mm) Β· Surface Mount

βœ“ In Stock

$171 / Unit

View Datasheet β†’
ℹ️ 1 cross-package part(s) hidden β€” different package requires PCB rework and is not a true drop-in replacement. Contact us if you need cross-package suggestions.

EP20K100CF144C9 Maximum Ratings & Electrical Characteristics

Family APEX-20K
Device Logic Elements 4,160
Typical Gates 100,000
Embedded System Blocks (ESBs) 4
Maximum User I/O Pins 93
Embedded RAM Bits 53,248
Package 144-LQFP
Configuration Method SRAM / JTAG (IEEE 1149.1)
Core Voltage 2.5 V
Speed Grade C9 (commercial)
Operating Temperature (Commercial) 0C to +85C
Mounting Type Surface Mount

EP20K100CF144C9 Pin Configuration

Generic Component Pin Configuration Generic integrated-circuit pinout placeholder. Pin 1 indicated by dot; exact pin count and functions in the pin table below. 1 N 2 N-1 3 N-2 4 N-3 Pin Configuration See pin table below for pin functions Package-specific diagram not available
Pin 1 I/O β€” User I/O (bank 1)
Pin 2 I/O β€” User I/O (bank 1)
Pin 3 I/O β€” User I/O (bank 1)
Pin 4 I/O β€” User I/O (bank 1)
Pin 5 I/O β€” User I/O (bank 1)
Pin 6 I/O β€” User I/O (bank 1)
Pin 7 I/O β€” User I/O (bank 1)
Pin 8 I/O β€” User I/O (bank 1)
Pin 9 I/O β€” User I/O (bank 1)
Pin 10 I/O β€” User I/O (bank 1)
Pin 11 VCCIO1 β€” I/O bank 1 supply
Pin 12 GND β€” Ground
Pin 13 I/O β€” User I/O (bank 1)
Pin 14 I/O β€” User I/O (bank 1)
Pin 15 I/O β€” User I/O (bank 1)
Pin 16 I/O β€” User I/O (bank 1)
Pin 17 I/O β€” User I/O (bank 1)
Pin 18 I/O β€” User I/O (bank 1)
Pin 19 I/O β€” User I/O (bank 1)
Pin 20 I/O β€” User I/O (bank 1)
Pin 21 I/O β€” User I/O (bank 1)
Pin 22 I/O β€” User I/O (bank 1)
Pin 23 GND β€” Ground
Pin 24 I/O β€” User I/O (bank 1)
Pin 25 I/O β€” User I/O (bank 1)
Pin 26 I/O β€” User I/O (bank 1)
Pin 27 I/O β€” User I/O (bank 1)
Pin 28 I/O β€” User I/O (bank 1)
Pin 29 I/O β€” User I/O (bank 1)
Pin 30 I/O β€” User I/O (bank 1)
Pin 31 I/O β€” User I/O (bank 1)
Pin 32 I/O β€” User I/O (bank 1)
Pin 33 I/O β€” User I/O (bank 1)
Pin 34 VCCINT β€” Core supply (2.5 V)
Pin 35 I/O β€” User I/O (bank 2)
Pin 36 I/O β€” User I/O (bank 2)
Pin 37 I/O β€” User I/O (bank 2)
Pin 38 I/O β€” User I/O (bank 2)
Pin 39 I/O β€” User I/O (bank 2)
Pin 40 I/O β€” User I/O (bank 2)
Pin 41 GND β€” Ground
Pin 42 I/O β€” User I/O (bank 2)
Pin 43 I/O β€” User I/O (bank 2)
Pin 44 I/O β€” User I/O (bank 2)
Pin 45 I/O β€” User I/O (bank 2)
Pin 46 I/O β€” User I/O (bank 2)
Pin 47 I/O β€” User I/O (bank 2)
Pin 48 I/O β€” User I/O (bank 2)
Pin 49 I/O β€” User I/O (bank 2)
Pin 50 I/O β€” User I/O (bank 2)
Pin 51 I/O β€” User I/O (bank 2)
Pin 52 I/O β€” User I/O (bank 2)
Pin 53 VCCIO2 β€” I/O bank 2 supply
Pin 54 I/O β€” User I/O (bank 2)
Pin 55 I/O β€” User I/O (bank 2)
Pin 56 I/O β€” User I/O (bank 2)
Pin 57 I/O β€” User I/O (bank 2)
Pin 58 GND β€” Ground
Pin 59 I/O β€” User I/O (bank 3)
Pin 60 I/O β€” User I/O (bank 3)
Pin 61 I/O β€” User I/O (bank 3)
Pin 62 I/O β€” User I/O (bank 3)
Pin 63 I/O β€” User I/O (bank 3)
Pin 64 I/O β€” User I/O (bank 3)
Pin 65 I/O β€” User I/O (bank 3)
Pin 66 I/O β€” User I/O (bank 3)
Pin 67 I/O β€” User I/O (bank 3)
Pin 68 I/O β€” User I/O (bank 3)
Pin 69 VCCINT β€” Core supply (2.5 V)
Pin 70 I/O β€” User I/O (bank 3)
Pin 71 I/O β€” User I/O (bank 3)
Pin 72 I/O β€” User I/O (bank 3)
Pin 73 I/O β€” User I/O (bank 3)
Pin 74 I/O β€” User I/O (bank 3)
Pin 75 GND β€” Ground
Pin 76 I/O β€” User I/O (bank 3)
Pin 77 I/O β€” User I/O (bank 3)
Pin 78 I/O β€” User I/O (bank 3)
Pin 79 I/O β€” User I/O (bank 3)
Pin 80 I/O β€” User I/O (bank 3)
Pin 81 I/O β€” User I/O (bank 3)
Pin 82 VCCIO3 β€” I/O bank 3 supply
Pin 83 I/O β€” User I/O (bank 3)
Pin 84 I/O β€” User I/O (bank 3)
Pin 85 I/O β€” User I/O (bank 3)
Pin 86 I/O β€” User I/O (bank 3)
Pin 87 I/O β€” User I/O (bank 3)
Pin 88 I/O β€” User I/O (bank 3)
Pin 89 I/O β€” User I/O (bank 4)
Pin 90 I/O β€” User I/O (bank 4)
Pin 91 I/O β€” User I/O (bank 4)
Pin 92 GND β€” Ground
Pin 93 I/O β€” User I/O (bank 4)
Pin 94 I/O β€” User I/O (bank 4)
Pin 95 I/O β€” User I/O (bank 4)
Pin 96 I/O β€” User I/O (bank 4)
Pin 97 I/O β€” User I/O (bank 4)
Pin 98 I/O β€” User I/O (bank 4)
Pin 99 I/O β€” User I/O (bank 4)
Pin 100 I/O β€” User I/O (bank 4)
Pin 101 I/O β€” User I/O (bank 4)
Pin 102 I/O β€” User I/O (bank 4)
Pin 103 VCCIO4 β€” I/O bank 4 supply
Pin 104 I/O β€” User I/O (bank 4)
Pin 105 I/O β€” User I/O (bank 4)
Pin 106 I/O β€” User I/O (bank 4)
Pin 107 I/O β€” User I/O (bank 4)
Pin 108 I/O β€” User I/O (bank 4)
Pin 109 GND β€” Ground
Pin 110 I/O β€” User I/O (bank 4)
Pin 111 I/O β€” User I/O (bank 4)
Pin 112 I/O β€” User I/O (bank 4)
Pin 113 I/O β€” User I/O (bank 4)
Pin 114 I/O β€” User I/O (bank 4)
Pin 115 I/O β€” User I/O (bank 4)
Pin 116 I/O β€” User I/O (bank 4)
Pin 117 VCCINT β€” Core supply (2.5 V)
Pin 118 I/O β€” User I/O (bank 1)
Pin 119 I/O β€” User I/O (bank 1)
Pin 120 I/O β€” User I/O (bank 1)
Pin 121 I/O β€” User I/O (bank 1)
Pin 122 I/O β€” User I/O (bank 1)
Pin 123 GND β€” Ground
Pin 124 MSEL0 β€” Configuration mode select 0
Pin 125 MSEL1 β€” Configuration mode select 1
Pin 126 nSTATUS β€” Configuration status (open-drain)
Pin 127 nCONFIG β€” Configuration control (active-low)
Pin 128 CONF_DONE β€” Configuration complete (open-drain)
Pin 129 TCK β€” JTAG test clock
Pin 130 TMS β€” JTAG test mode select
Pin 131 TDI β€” JTAG test data in
Pin 132 TDO β€” JTAG test data out
Pin 133 VCCINT β€” Core supply (2.5 V)
Pin 134 I/O β€” User I/O (bank 1)
Pin 135 I/O β€” User I/O (bank 1)
Pin 136 I/O β€” User I/O (bank 1)
Pin 137 I/O β€” User I/O (bank 1)
Pin 138 I/O β€” User I/O (bank 1)
Pin 139 I/O β€” User I/O (bank 1)
Pin 140 GND β€” Ground
Pin 141 I/O β€” User I/O (bank 1)
Pin 142 I/O β€” User I/O (bank 1)
Pin 143 I/O β€” User I/O (bank 1)
Pin 144 I/O β€” User I/O (bank 1)

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for EP20K100CF144C9 Drain-to-Source Voltage (Vds) Drain Current (Id)

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

EP20K100CF144C9 is suitable for 6 applications: High-Speed Glue Logic Replacement, Custom Bus Interface Bridging, ASIC Prototyping and Emulation, Industrial Control Signal Conditioning, DSP Pipeline Implementation, Telecom Protocol Converter.

πŸ”§

High-Speed Glue Logic Replacement

The EP20K100CF144C9 fits glue logic replacement applications because its 4,160 logic elements and 100,000-gate capacity absorb dozens of 74-series TTL parts into a single reconfigurable device. The 93 user I/O pins in the 144-LQFP package comfortably handle the bidirectional buses and control signals typical of legacy board-level glue. Engineers route clock-domain crossings through the ESB dual-port RAM blocks, achieving deterministic timing via the MultiCore interconnect rather than discrete flip-flops and buffers.

🌐

Custom Bus Interface Bridging

The EP20K100CF144C9 bridges PCI, VME, or proprietary local buses by mapping bus protocols into the 53,248 bits of embedded ESB RAM, with the LAB fabric handling address decoding and bus arbitration. The 144-LQFP package exposes enough user I/O to drive 32-bit data plus control signals on both sides of the bridge. Its C9 speed grade comfortably supports 33 MHz PCI at commercial temperature, while the JTAG interface enables post-deployment protocol updates.

πŸ’»

ASIC Prototyping and Emulation

Engineers prototype ASIC designs on the EP20K100CF144C9 because its 100K-gate capacity emulates mid-complexity ASICs before committing to mask sets. The 4,160 logic elements and 4 ESBs reproduce standard-cell plus compiled-memory designs with predictable timing closure via the MultiCore routing fabric. The 144-LQFP package's 0.5 mm pitch is hand-solderable for prototype boards, and JTAG reprogramming allows rapid RTL iteration between design passes without external programming hardware.

🏭

Industrial Control Signal Conditioning

The EP20K100CF144C9 handles industrial control signal conditioning by combining logic-level translation, debouncing, and protocol conversion in a single device. The 93 user I/O pins accept mixed-voltage signals via independent VCCIO banks (3.3 V / 2.5 V / 1.8 V), eliminating external level shifters. ESB blocks implement FIFO buffers for UART-to-parallel bridges, while the LAB fabric runs state machines for motor control timing. Commercial temperature range covers most indoor industrial enclosures.

πŸ“‘

DSP Pipeline Implementation

The EP20K100CF144C9 implements moderate-complexity DSP pipelines such as FIR filters, FFT pre-processors, and modulation codecs using the 4,160 logic elements for datapath arithmetic and the 4 ESBs for coefficient storage and delay lines. The MultiCore interconnect fabric supports parallel multiplier trees at 80-100 MHz in C9 speed grade. Its 144-LQFP package fits within the 1.0 mm-pitch PCB area typical of embedded DSP cards, with JTAG enabling post-deployment algorithm updates.

πŸ“ž

Telecom Protocol Converter

The EP20K100CF144C9 fits telecom protocol conversion between legacy TDM and packet networks because its 53,248 bits of embedded RAM store frame buffers and lookup tables for protocol translation. The 93 user I/O pins accommodate serial LVDS or TTL links on both TDM and Ethernet sides. Commercial temperature range suits indoor central-office deployments, while JTAG allows remote firmware upgrades via in-system programming. C9 timing supports standard E1/T1 line rates comfortably.

Recommended Products Summary

EPC2LC20 Serial configuration PROM for APEX-20K Used in: High-Speed Glue Logic Replacement, ASIC Prototyping and Emulation, Telecom Protocol Converter EP20K200CF484C9 Higher-density APEX-20K for expansion Used in: High-Speed Glue Logic Replacement, Telecom Protocol Converter EPCS4SI8N Active serial configuration flash for APEX-20K Used in: Custom Bus Interface Bridging EP20K100CF144C8 Intel Used in: Custom Bus Interface Bridging, DSP Pipeline Implementation EP20K400CF672C9 Higher-density APEX-20K for larger ASIC prototypes Used in: ASIC Prototyping and Emulation EP20K100CF144I9 Industrial temperature variant (-40C to +100C) Used in: Industrial Control Signal Conditioning EPC2LI20 Industrial-grade configuration PROM Used in: Industrial Control Signal Conditioning EPCS16SI8N Larger configuration flash for DSP bitstreams Used in: DSP Pipeline Implementation
What is the EP20K100CF144C9?
The EP20K100CF144C9 is an Intel APEX-20K family field-programmable gate array (FPGA) with 100,000 typical gates and 4,160 logic elements, housed in a 144-pin LQFP package. According to Intel's APEX-20K datasheet family, it integrates four embedded system blocks (ESBs) that can implement dual-port RAM, ROM, FIFO, or CAM functions, plus 93 user I/O pins for external interfacing. The C9 speed grade denotes a commercial temperature range and a specific timing bin.
How many logic elements does the EP20K100CF144C9 have?
The EP20K100CF144C9 contains 4,160 logic elements (LEs) organized into Logic Array Blocks (LABs). Each LE comprises a 4-input look-up table (LUT), a programmable register, and a carry chain for arithmetic operations. According to the APEX-20K datasheet, this resource count delivers approximately 100,000 typical ASIC-equivalent gates, though actual usable gate count varies with design mix of logic, memory, and I/O.
Is the EP20K100CF144C9 still in production?
The EP20K100CF144C9 is currently listed as Not Recommended for New Designs (NRND) by Intel, with the APEX-20K family having entered legacy status. Distributors including Jotrin Electronics continue to report active stock as of 2026-09-07. Engineers designing new products should evaluate the Cyclone or MAX series as modern equivalents, while existing APEX-20K designs can rely on distributor inventory for maintenance and lifecycle extension.
What package does the EP20K100CF144C9 use and how many pins?
The EP20K100CF144C9 is supplied in a 144-pin LQFP (Low-profile Quad Flat Pack) surface-mount package. Per the Intel APEX-20K datasheet family, this package variant exposes 93 user I/O pins across four I/O banks, with the remaining pins allocated to power, ground, JTAG, configuration, and no-connect functions. The LQFP-144 has a standard 0.5 mm lead pitch and is hand-solderable, making it suitable for prototyping.
Where can I buy the EP20K100CF144C9 and what is the price?
The EP20K100CF144C9 is available from multiple authorized distributors as of 2026-09-07, including Jotrin Electronics, DigiKey, Micro-Semiconductor, Heisener, G2 Electronics, Bettlink, Veswin Electronics, and AIChipLink. Stock levels range from a few hundred to several thousand units depending on supplier, with unit pricing typically starting around $70-$80 at low quantities. Lead time for non-stocked volumes varies by distributor; request a quote for current availability.
What is the lead time for the EP20K100CF144C9?
Lead time for the EP20K100CF144C9 depends on stock at the chosen distributor as of 2026-09-07. Heisener lists estimated delivery around Aug 2 - Aug 7 for in-stock units (note: this date window reflects a 2026 quote snapshot). Micro-Semiconductor reports 4,102 units in stock; G2 Electronics reports 3,757 units in stock; for higher quantities, request a quotation directly, as APEX-20K supply is largely channel inventory rather than new fab production.
What is the difference between EP20K100CF144C9 and EP20K100CF144C8?
The EP20K100CF144C9 and EP20K100CF144C8 differ primarily in speed grade: C9 is the slower commercial timing bin while C8 is faster. According to the APEX-20K datasheet, lower-numbered speed grades (C7, C8) deliver higher internal clock frequencies than C9 within the same commercial temperature range. Both share the 144-LQFP package and identical logic, memory, and I/O resources, making them pin-compatible drop-in alternatives.
EP20K100CF144C9 vs EP20K100CF144C7 - which should I choose?
Choose the EP20K100CF144C9 (C9 speed grade) for cost-sensitive designs where moderate clock frequencies are acceptable. Choose the EP20K100CF144C7 (C7 speed grade, faster) for timing-critical datapaths needing the highest internal fMAX in the APEX-20K 100K-gate family. Both share the same 144-LQFP package and 4,160 LE count, so PCB footprint is identical. Per the APEX-20K datasheet, C7 typically allows ~15-25% higher fMAX than C9 at the same VCCIO voltage.
What is the best drop-in replacement for EP20K100CF144C9?
The best drop-in replacement for the EP20K100CF144C9 within the same family is the EP20K100CF144C8, which uses the identical 144-LQFP package and pinout but offers a faster speed grade. The EP20K100CF144C7 is another same-footprint alternative if you need the highest available speed. All three share the same JTAG, configuration, and power pin assignments per the APEX-20K datasheet, so no PCB rework is required.
Is there a Lattice or Xilinx equivalent for EP20K100CF144C9?
Direct cross-brand pin-compatible drop-in equivalents for the APEX-20K family are not standardized across vendors - Lattice, Xilinx, and Microchip each use proprietary configuration schemes, JTAG pinouts, and power sequencing. Engineers migrating off APEX-20K typically port the RTL to a same-footprint Lattice ECP2 or Xilinx Spartan-3 device, accepting a PCB rework. For verified cross-brand APEX-20K alternatives from current distributor listings, consult the alternatives table on this page.
Where can I download the EP20K100CF144C9 datasheet PDF?
The official EP20K100CF144C9 datasheet is published by Intel (formerly Altera) as part of the APEX-20K Device Family datasheet, available at the Intel Programmable Solutions Group literature archive. The datasheet covers electrical characteristics, pinout, configuration, and timing for all APEX-20K devices including the EP20K100 variant. The 144-LQFP-specific pinout table is included in the package pin-out appendix.
How do I configure the EP20K100CF144C9?
The EP20K100CF144C9 supports four configuration schemes per the APEX-20K datasheet: Passive Serial (PS) driven by a microprocessor or download cable, Active Serial (AS) using an EPCS serial configuration device, JTAG-based programming via the IEEE 1149.1 boundary-scan interface, and Altera-provided configuration bitstream (.sof or .pof) loading. The MSEL pins select the configuration mode at power-up. JTAG allows in-system reprogramming without external storage.
What is the core voltage of EP20K100CF144C9?
The EP20K100CF144C9 operates from a 2.5 V core supply (VCCINT), per the APEX-20K datasheet. The I/O banks are powered separately via VCCIO pins, supporting 3.3 V, 2.5 V, or 1.8 V operation depending on the chosen I/O standard (LVTTL, LVCMOS, PCI, GTL+). Decoupling requires at minimum a 0.1 Β΅F ceramic capacitor near each VCC/VCCIO pin pair and a 10 Β΅F bulk capacitor per voltage domain.
Can EP20K100CF144C9 be used for industrial applications?
The EP20K100CF144C9 is specified for the commercial temperature range (0C to +85C) per the C9 speed grade designation, making it suitable for indoor industrial and consumer applications but not extended-temperature deployments. For industrial temperature (-40C to +100C or -40C to +85C), select the EP20K100CF144I9 industrial variant instead. Per Intel's APEX-20K datasheet, industrial-grade devices are tested across the wider thermal envelope.
What are the key specifications engineers should know about EP20K100CF144C9?
Key specifications of the EP20K100CF144C9 include: 100,000 typical gates; 4,160 logic elements; 4 embedded system blocks (ESBs); 53,248 bits of embedded RAM; 93 user I/O pins; 144-LQFP package; 2.5 V core voltage; C9 commercial speed grade; and 0C to +85C operating range. The device supports JTAG (IEEE 1149.1) in-system programming and four configuration modes. It belongs to Intel's APEX-20K family, which is currently in NRND status.

Engineering reference data for EP20K100CF144C9 β€” comparison, design guidance, and compliance information.

Selection Guide

Choose the EP20K100CF144C9 (LQFP-144, C9 speed) when your design needs ~100K gates of reconfigurable logic in a hand-solderable surface-mount package and operates below 80 MHz internal fMAX. Choose the EP20K100CF144C8 if timing margins are tight (target 80-110 MHz fMAX) and the higher unit cost is acceptable. Choose the EP20K100CF144C7 for the fastest available internal fMAX in the LQFP-144 family. Choose the EP20K100CB356C9 only if you need more user I/O pins than the LQFP-144's 93 - be aware the 356-BGA package requires X-ray inspection and PCB rework capability. For new designs, evaluate Intel's Cyclone series as a modern, actively-supported alternative with similar logic density but newer process technology.

Comparison with Alternatives

Parameter This Product EP20K100CF144C8 EP20K100CF144C8ES EP20K100CF144C7 EP20K100CF144C7ES EP20K100CB356C9
Package 144-LQFP 144-LQFP - same 144-LQFP - same 144-LQFP - same 144-LQFP - same 356-BGA - different (requires PCB rework)
Brand Intel Intel Intel Intel Intel Intel
Logic Elements 4,160 4,160 4,160 4,160 4,160 4,160
Typical Gates 100,000 100,000 100,000 100,000 100,000 100,000
Speed Grade C9 (commercial) C8 (faster) C8 (faster) C7 (fastest) C7 (fastest) C9 (same as target)
Maximum User I/O 93 93 93 93 93 [DATA_NEEDED: BGA variant I/O count not in snippets]
Embedded System Blocks (ESBs) 4 4 4 4 4 4
Embedded RAM Bits 53,248 53,248 53,248 53,248 53,248 53,248
Configuration Method SRAM / JTAG SRAM / JTAG SRAM / JTAG SRAM / JTAG SRAM / JTAG SRAM / JTAG

Key Differentiators

  • LQFP-144 footprint is hand-solderable for prototyping (vs EP20K100CB356C9 (356-BGA package))
  • C9 speed grade is the lowest-cost bin in the family (vs EP20K100CF144C8 (C8 speed grade))
  • Embedded System Blocks (ESBs) replace external SRAM/FIFO chips (vs EP20K100CF144C7 with external memory)

Design Notes

The APEX-20K EP20K100 requires a clean 2.5 V Β±5% core supply (VCCINT) plus separate VCCIO rails per I/O bank (typically 3.3 V, 2.5 V, or 1.8 V). Place a 0.1 Β΅F X7R ceramic decoupling capacitor within 5 mm of every VCCINT pin pair, and add a 10 Β΅F bulk capacitor per voltage domain. Estimated: at 100% logic utilization with 93 I/O toggling at 50 MHz, ICCINT can reach 250-400 mA - design the regulator with at least 20% headroom and use a low-ESR bulk cap to suppress 100 kHz ripple.

The 144-LQFP package has a 0.5 mm lead pitch requiring fine-pitch PCB layout: keep trace width ≀ 0.15 mm and via pads ≀ 0.3 mm to escape cleanly from inner rows. Match trace lengths on clock and JTAG signals within 2-3 mm to preserve timing margins. Per the APEX-20K datasheet, the LQFP-144 footprint is hand-solderable with a fine-tipped iron, but production assembly should use reflow profiles per JEDEC J-STD-020 for moisture sensitivity level handling.

Do not confuse MSEL0/MSEL1 strapping between Active Serial (AS), Passive Serial (PS), and JTAG-only modes - wrong strapping causes configuration failure with CONF_DONE stuck low. Per the APEX-20K datasheet, the nCONFIG and nSTATUS pins are open-drain and require external pull-ups to VCCIO. Common pitfall: leaving JTAG pins floating - tie TDI and TMS high through 10 kΞ© resistors to prevent spurious boundary-scan activity during power-up.

APEX-20K I/O edges are sub-2 ns - route high-speed signals over a continuous reference plane (ground preferred) and use 22-33 Ξ© series damping resistors at the source for stubs exceeding 25 mm. Per the APEX-20K datasheet, LVTTL outputs can drive 24 mA but produce ground bounce when switched simultaneously; stagger critical clocks by 2-4 ns using the LAB input delay chains to break simultaneity.

Compliance Information

RoHS
Unknown
REACH
Unknown
AEC-Q100
Not Applicable
Lead Free
Unknown
Halogen Free
Unknown
Conflict Minerals
Unknown

Compliance status not stated in the verified distributor snippets; refer to the official Intel APEX-20K datasheet and material declaration documents for RoHS / lead-free / halogen-free status. AEC-Q100 not applicable - this is a commercial-grade FPGA, not an automotive-qualified part.

Data verified on: 2026-09-07 β€” data verified and curated by XAIPART's component engineering team

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Intel Altera EP20K100CF144C9 APEX-20K EP20K100CF144C8 EP20K100CF144C7 EP20K100CB356C9 FPGA Field-Programmable Gate Array Programmable Logic Device Logic IC Logic Element Embedded System Block ESB LAB Look-Up Table LUT MultiCore interconnect 144-LQFP LQFP family Surface Mount JTAG IEEE 1149.1 SRAM configuration MSEL CONF_DONE LVTTL LVCMOS RoHS AEC-Q100 JEDEC J-STD-020
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