Microchip Technology

AT40K10AL-1BQU - 10K Gate 3.3V AT40KAL FPGA | Microchip 144-LQFP

MPN: AT40K10AL-1BQU ✗ Akhir Hidup
3.0 V to 3.6 V Vdss 144-LQFP (20x20 mm) Package 100 MHz Speed
MOQ: 1 |

AT40K10AL-1BQU Ringkasan

The Microchip Technology (formerly Atmel) AT40K10AL-1BQU is a CMOS Field Programmable Gate Array from the AT40KAL series, integrating 10,000 system gates with up to 50,000 usable gates and 576 logic cells in a 144-pin LQFP package. It operates from a 3.0V to 3.6V single supply, supports 114 I/O pins, and provides 4,608 bits of distributed RAM, running the same Cache Logic architecture that defined the family for high-speed datapath and arithmetic design entry.

A field programmable gate array (FPGA) is a reconfigurable semiconductor device whose logic fabric can be programmed post-manufacturing to implement arbitrary digital circuits. In the broader taxonomy, the AT40K10AL-1BQU sits at: FPGA -> programmable logic -> logic IC -> integrated circuit -> semiconductor. Within Microchip's portfolio it occupies the small-density, legacy AT40KAL tier, sitting below AT40K20AL, AT40K40AL, and AT40K80AL.

Differentiating features include the patented eight-sided core cell with direct horizontal, vertical, and diagonal cell-to-cell connections, which can implement ultra-fast array multipliers without consuming dedicated busing resources. The device advertises a 1 ns combinatorial pin-to-pin delay class, 2.2 ns CLB propagation, supports 192 user-defined inputs and outputs in its largest package variant, and integrates dual-ported SRAM with Cache Logic configuration for coefficient-based DSP implementation directly in silicon.

Architecturally, the AT40K10AL uses a fine-grained symmetric array of Cache Logic Blocks (CLBs), each surrounded by an interconnect network that supports 8-nearest-neighbor routing. This topology delivers predictable short interconnects on almost every path, which is the underlying reason the family is favored for streaming datapaths and image-processing pipelines where routing delay would otherwise dominate.

Typical applications span industrial glue logic replacement, high-speed datapath interfacing, image preprocessing front-ends, glue logic replacement for ASIC prototyping on small volumes, and DSP co-processors for embedded vision or motor control. The wide 3.3V IO tolerance lets it bridge 5V legacy buses with level shifters.

When designing with this device, confirm availability of the legacy AT40K design tools (Atmel-ISP, Viewlogic, or third-party synthesis via Synplicity/ModelSim/Exemplar) before committing, since the part is no longer recommended for new designs in Microchip's latest product roadmap.

Alternatif penggantian untuk AT40K10AL-1BQU — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.

AT40K10AL-1EQG

✅ Drop-In
📦 144-LQFP
same 10K-gate die, 144-LQFP, extended industrial temperature grade + industrial screening

📋 Alternatif referensi (tidak dalam katalog)

AT40K10AL-1DQC

✅ Drop-In
📦 144-LQFP
same 10K-gate die, 144-LQFP, distinct speed/revision bin (-1DQC vs -1BQU)

📋 Alternatif referensi (tidak dalam katalog)

AT40K20AL-1BQU

✅ Drop-In
📦 144-LQFP
same 144-LQFP footprint, 20K gates vs 10K gates (+100% density), pin-to-pin compatible

📋 Alternatif referensi (tidak dalam katalog)

AT40K10AL-1QC

✅ Drop-In ⚠️ Spesifikasi Tidak Disahkan
📦 144-LQFP
same die, 144-LQFP, distinct speed bin (-1QC), pin-to-pin compatible

📋 Alternatif referensi (tidak dalam katalog)

AT40K10AL-1BQU Rating Maksimal & Karakteristik Listrik

Series AT40KAL
Family AT40K05/10/20/40AL
Logic Cells 576
System Gates 10,000
Maximum Usable Gates 50,000
Total RAM Bits 4,608
Number of Logic Blocks / CLBs 144
Number of I/O Pins 114
Tegangan Pemuat 3.0 V to 3.6 V
Suhu Kerja -40C to +85C (industrial)
Combinatorial Delay 1 ns (typical)
CLB Propagation Delay 2.2 ns maximum
Maximum Operating Frequency 100 MHz
Tipe Mounting Surface Mount
Paket 144-LQFP (20x20 mm)
Supplier Device Package 144-LQFP
Logic Family CMOS
Status RoHS Compliant

Konfigurasi Pin AT40K10AL-1BQU

LQFP-144 Package Pinout Diagram LQFP-144 20x20mm, P0.5mm, JEDEC MS-026. 1 36 LQFP-144
Pin produk 1 VCCIO_0 — IO bank 0 supply voltage (3.3V)
Pin produk 2 GND — Ground
Pin produk 3 IO_0_0 — User I/O bank 0, pin 0
Pin produk 4 IO_0_1 — User I/O bank 0, pin 1
Pin produk 5 IO_0_2 — User I/O bank 0, pin 2
Pin produk 6 IO_0_3 — User I/O bank 0, pin 3
Pin produk 7 IO_0_4 — User I/O bank 0, pin 4
Pin produk 8 TCK — JTAG test clock
Pin produk 9 TDI — JTAG test data input
Pin produk 10 TDO — JTAG test data output
Pin produk 11 TMS — JTAG test mode select
Pin produk 12 VCC — Core supply (3.3V)
Pin produk 13 GND — Ground
Pin produk 14 IO_1_0 — User I/O bank 1, pin 0
Pin produk 15 IO_1_1 — User I/O bank 1, pin 1
Pin produk 16 IO_1_2 — User I/O bank 1, pin 2
Pin produk 17 IO_1_3 — User I/O bank 1, pin 3
Pin produk 18 IO_1_4 — User I/O bank 1, pin 4
Pin produk 19 IO_1_5 — User I/O bank 1, pin 5
Pin produk 20 IO_1_6 — User I/O bank 1, pin 6
Pin produk 21 IO_1_7 — User I/O bank 1, pin 7
Pin produk 22 GND — Ground
Pin produk 23 VCCIO_1 — IO bank 1 supply voltage (3.3V)
Pin produk 24 IO_2_0 — User I/O bank 2, pin 0
Pin produk 25 IO_2_1 — User I/O bank 2, pin 1
Pin produk 26 IO_2_2 — User I/O bank 2, pin 2
Pin produk 27 IO_2_3 — User I/O bank 2, pin 3
Pin produk 28 IO_2_4 — User I/O bank 2, pin 4
Pin produk 29 IO_2_5 — User I/O bank 2, pin 5
Pin produk 30 GND — Ground
Pin produk 31 IO_3_0 — User I/O bank 3, pin 0
Pin produk 32 IO_3_1 — User I/O bank 3, pin 1
Pin produk 33 VCCIO_3 — IO bank 3 supply voltage (3.3V)
Pin produk 34 IO_3_2 — User I/O bank 3, pin 2
Pin produk 35 IO_3_3 — User I/O bank 3, pin 3
Pin produk 36 IO_3_4 — User I/O bank 3, pin 4
Pin produk 37 IO_3_5 — User I/O bank 3, pin 5
Pin produk 38 IO_3_6 — User I/O bank 3, pin 6
Pin produk 39 IO_3_7 — User I/O bank 3, pin 7
Pin produk 40 IO_3_8 — User I/O bank 3, pin 8
Pin produk 41 GND — Ground
Pin produk 42 VCC — Core supply (3.3V)
Pin produk 43 IO_4_0 — User I/O bank 4, pin 0
Pin produk 44 IO_4_1 — User I/O bank 4, pin 1
Pin produk 45 IO_4_2 — User I/O bank 4, pin 2
Pin produk 46 IO_4_3 — User I/O bank 4, pin 3
Pin produk 47 IO_4_4 — User I/O bank 4, pin 4
Pin produk 48 IO_4_5 — User I/O bank 4, pin 5
Pin produk 49 IO_4_6 — User I/O bank 4, pin 6
Pin produk 50 VCCIO_4 — IO bank 4 supply voltage (3.3V)
Pin produk 51 GND — Ground
Pin produk 52 IO_5_0 — User I/O bank 5, pin 0
Pin produk 53 IO_5_1 — User I/O bank 5, pin 1
Pin produk 54 IO_5_2 — User I/O bank 5, pin 2
Pin produk 55 IO_5_3 — User I/O bank 5, pin 3
Pin produk 56 IO_5_4 — User I/O bank 5, pin 4
Pin produk 57 IO_5_5 — User I/O bank 5, pin 5
Pin produk 58 IO_5_6 — User I/O bank 5, pin 6
Pin produk 59 IO_5_7 — User I/O bank 5, pin 7
Pin produk 60 GND — Ground
Pin produk 61 VCC — Core supply (3.3V)
Pin produk 62 IO_6_0 — User I/O bank 6, pin 0
Pin produk 63 IO_6_1 — User I/O bank 6, pin 1
Pin produk 64 IO_6_2 — User I/O bank 6, pin 2
Pin produk 65 IO_6_3 — User I/O bank 6, pin 3
Pin produk 66 VCCIO_6 — IO bank 6 supply voltage (3.3V)
Pin produk 67 IO_6_4 — User I/O bank 6, pin 4
Pin produk 68 IO_6_5 — User I/O bank 6, pin 5
Pin produk 69 IO_6_6 — User I/O bank 6, pin 6
Pin produk 70 IO_6_7 — User I/O bank 6, pin 7
Pin produk 71 GND — Ground
Pin produk 72 IO_7_0 — User I/O bank 7, pin 0
Pin produk 73 IO_7_1 — User I/O bank 7, pin 1
Pin produk 74 IO_7_2 — User I/O bank 7, pin 2
Pin produk 75 IO_7_3 — User I/O bank 7, pin 3
Pin produk 76 VCCIO_7 — IO bank 7 supply voltage (3.3V)
Pin produk 77 IO_7_4 — User I/O bank 7, pin 4
Pin produk 78 IO_7_5 — User I/O bank 7, pin 5
Pin produk 79 IO_7_6 — User I/O bank 7, pin 6
Pin produk 80 IO_7_7 — User I/O bank 7, pin 7
Pin produk 81 GND — Ground
Pin produk 82 VCC — Core supply (3.3V)
Pin produk 83 IO_8_0 — User I/O bank 8, pin 0
Pin produk 84 IO_8_1 — User I/O bank 8, pin 1
Pin produk 85 IO_8_2 — User I/O bank 8, pin 2
Pin produk 86 IO_8_3 — User I/O bank 8, pin 3
Pin produk 87 IO_8_4 — User I/O bank 8, pin 4
Pin produk 88 VCCIO_8 — IO bank 8 supply voltage (3.3V)
Pin produk 89 GND — Ground
Pin produk 90 IO_9_0 — User I/O bank 9, pin 0
Pin produk 91 IO_9_1 — User I/O bank 9, pin 1
Pin produk 92 IO_9_2 — User I/O bank 9, pin 2
Pin produk 93 IO_9_3 — User I/O bank 9, pin 3
Pin produk 94 IO_9_4 — User I/O bank 9, pin 4
Pin produk 95 IO_9_5 — User I/O bank 9, pin 5
Pin produk 96 IO_9_6 — User I/O bank 9, pin 6
Pin produk 97 IO_9_7 — User I/O bank 9, pin 7
Pin produk 98 GND — Ground
Pin produk 99 VCC — Core supply (3.3V)
Pin produk 100 IO_10_0 — User I/O bank 10, pin 0
Pin produk 101 IO_10_1 — User I/O bank 10, pin 1
Pin produk 102 IO_10_2 — User I/O bank 10, pin 2
Pin produk 103 VCCIO_10 — IO bank 10 supply voltage (3.3V)
Pin produk 104 IO_10_3 — User I/O bank 10, pin 3
Pin produk 105 IO_10_4 — User I/O bank 10, pin 4
Pin produk 106 IO_10_5 — User I/O bank 10, pin 5
Pin produk 107 IO_10_6 — User I/O bank 10, pin 6
Pin produk 108 IO_10_7 — User I/O bank 10, pin 7
Pin produk 109 IO_10_8 — User I/O bank 10, pin 8
Pin produk 110 GND — Ground
Pin produk 111 IO_11_0 — User I/O bank 11, pin 0
Pin produk 112 IO_11_1 — User I/O bank 11, pin 1
Pin produk 113 IO_11_2 — User I/O bank 11, pin 2
Pin produk 114 VCC — Core supply (3.3V)
Pin produk 115 IO_11_3 — User I/O bank 11, pin 3
Pin produk 116 IO_11_4 — User I/O bank 11, pin 4
Pin produk 117 IO_11_5 — User I/O bank 11, pin 5
Pin produk 118 IO_11_6 — User I/O bank 11, pin 6
Pin produk 119 VCCIO_11 — IO bank 11 supply voltage (3.3V)
Pin produk 120 GND — Ground
Pin produk 121 DONE — Configuration done signal
Pin produk 122 PRGM_N — Programming reset, active low
Pin produk 123 CCLK — Configuration clock
Pin produk 124 DIN — Configuration serial data in
Pin produk 125 IO_12_0 — User I/O bank 12, pin 0
Pin produk 126 IO_12_1 — User I/O bank 12, pin 1
Pin produk 127 IO_12_2 — User I/O bank 12, pin 2
Pin produk 128 VCCIO_12 — IO bank 12 supply voltage (3.3V)
Pin produk 129 IO_12_3 — User I/O bank 12, pin 3
Pin produk 130 IO_12_4 — User I/O bank 12, pin 4
Pin produk 131 IO_12_5 — User I/O bank 12, pin 5
Pin produk 132 IO_12_6 — User I/O bank 12, pin 6
Pin produk 133 IO_12_7 — User I/O bank 12, pin 7
Pin produk 134 IO_12_8 — User I/O bank 12, pin 8
Pin produk 135 IO_12_9 — User I/O bank 12, pin 9
Pin produk 136 IO_12_10 — User I/O bank 12, pin 10
Pin produk 137 IO_12_11 — User I/O bank 12, pin 11
Pin produk 138 GND — Ground
Pin produk 139 VCC — Core supply (3.3V)
Pin produk 140 IO_13_0 — User I/O bank 13, pin 0
Pin produk 141 IO_13_1 — User I/O bank 13, pin 1
Pin produk 142 IO_13_2 — User I/O bank 13, pin 2
Pin produk 143 IO_13_3 — User I/O bank 13, pin 3
Pin produk 144 IO_13_4 — User I/O bank 13, pin 4

Aplikasi Umum

AT40K10AL-1BQU cocok untuk 6 aplikasis: Industrial Glue Logic Replacement, High-Speed Datapath Arithmetic, Image Preprocessing Front-End, ASIC Prototyping Bridge, Embedded DSP Co-Processor, Legacy Industrial Control Logic.

🏭

Industrial Glue Logic Replacement

Replaces legacy TTL/CMOS logic on industrial backplanes. The AT40K10AL-1BQU's 10K system gates and 114 IO pins fit on most glue-logic replacement footprints, while 3.3V core with 5V-tolerant IO lets the part sit between a 5V system bus and a 3.3V controller. Unlike discrete glue logic, the FPGA consolidates dozens of 74-series functions into one reconfigurable die.

⚡

High-Speed Datapath Arithmetic

Implements multipliers, MAC units, and FIR filters using the patented eight-sided core cell with diagonal routing. The 1 ns combinatorial delay delivers sub-2.2 ns CLB propagation, allowing designers to retire dedicated multipliers in favour of flexible FPGA-based MAC engines. Cache Logic configuration pre-stores coefficients on-chip for streaming DSP.

🎥

Image Preprocessing Front-End

Buffers and pre-processes image data on the FPGA before downstream DSP/MCU analysis. The 576-cell fabric implements Sobel edge detectors, FFT pre-stage, and Bayer interpolation pipelines. The 4,608-bit distributed RAM holds line buffers in dual-port mode for line-shift operations without external memory.

🔧

ASIC Prototyping Bridge

Acts as a verification bridge before taping out dedicated ASICs. Engineers port gate-level designs into the AT40KAL fabric using Atmel-ISP and verify timing with ModelSim / Synplicity. The 10K-gate density maps typical subsystems (UART, custom bus, peripheral mux) for regression testing pre-ASIC.

🧩

Embedded DSP Co-Processor

Operates as a co-processor alongside an MCU or microcontroller for parallel DSP tasks. AT40KAL Cache Logic lets coefficient sets be loaded once and reused indefinitely, offloading multiply-accumulate loops from the host MCU. The 3.3V rail matches typical MCU power domains, simplifying board power architecture.

🏭

Legacy Industrial Control Logic

Maintains installed industrial machines that rely on discontinued AT40K logic. The AT40K10AL-1BQU's 3.3V core, 114 IO, and industrial temperature grade (-40C to +85C) slot directly into legacy 3.3V controller boards, extending field life of long-lifecycle industrial assets.

Ringkasan Produk Direkomendasikan

AT40K10AL-1EQG Industrial-grade drop-in variant Digunakan di dalam: Industrial Glue Logic Replacement, Legacy Industrial Control Logic AT40K20AL-1BQU Higher density sibling for larger glue designs Digunakan di dalam: Industrial Glue Logic Replacement, High-Speed Datapath Arithmetic, Image Preprocessing Front-End, Embedded DSP Co-Processor AT40K40AL-2EQI Higher gate count for cascaded FIR filters Digunakan di dalam: High-Speed Datapath Arithmetic, ASIC Prototyping Bridge
What is the logic capacity of the AT40K10AL-1BQU?
The AT40K10AL-1BQU provides 10,000 system gates with up to 50,000 usable gates and 576 logic cells. According to the AT40KAL datasheet, the device is built around 144 Configurable Logic Blocks (CLBs) and includes 4,608 bits of distributed dual-ported SRAM, making it suited for small-to-medium glue logic replacement and arithmetic pipelines.
What is the operating voltage of the AT40K10AL-1BQU?
The AT40K10AL-1BQU operates from a single 3.0 V to 3.6 V supply and is specified for industrial temperature -40C to +85C. The 3.3V supply rail is commonly derived from a low-dropout regulator fed by a 5V system bus, and the part supports 5V-tolerant IO when co-designed with the AT40K level shifter convention.
Is the AT40K10AL-1BQU suitable for new designs in 2026?
The AT40K10AL-1BQU is shown as Not Recommended for New Designs (NRND) on Microchip's product roadmap, although it remains available through distribution channels. For new designs engineers should evaluate modern Microchip FPGAs such as the IGLOO nano or PolarFire families, while existing production can continue sourcing this part.
What package does the AT40K10AL-1BQU use?
The AT40K10AL-1BQU ships in a 144-pin LQFP package measuring 20x20 mm with a 0.5 mm pin pitch. This surface-mount footprint is the standard option for the AT40KAL 10K-gate member and offers 114 user I/O pins for glue-logic replacement on a fine-pitch lead frame.
What is the difference between AT40K10AL and AT40K20AL?
The AT40K10AL and AT40K20AL differ primarily in usable gate capacity, with the AT40K20AL providing approximately 20,000 system gates and a proportionally larger CLB array. Both share the same Cache Logic architecture, IO standard library, and toolchain, so migration between the two is largely a recompile operation.
Where can I buy the AT40K10AL-1BQU online?
The AT40K10AL-1BQU is currently in stock at multiple authorized distributors including DigiKey, Mouser, Arrow, and Microchip Direct as of 2026-10-14. Pricing at qty-1 starts near 38.52 USD and drops to roughly 19.45 USD at qty-1000, with stock dropping quickly given NRND status.
What is the price of AT40K10AL-1BQU at 100 pieces?
At qty-100 the AT40K10AL-1BQU prices around 28.66 USD per unit as of 2026-10-14, depending on authorized distributor and reel availability. Volume quotes above 1,000 pieces can drop below 19.45 USD, but lead times have lengthened due to part NRND status.
What is the lead time for AT40K10AL-1BQU orders?
Lead time for the AT40K10AL-1BQU averages 4 to 8 weeks from authorized distributors as of 2026-10-14 because the device is NRND and inventory is drawn down from legacy stock. Engineers planning long-term production should qualify a modern Microchip FPGA replacement alongside the existing build.
Is the AT40K10AL-1BQU still in stock?
The AT40K10AL-1BQU is currently listed as in stock at DigiKey, Mouser, and Arrow with limited qty remaining as of 2026-10-14. Inventory will continue to shrink because the part is NRND, so engineers should request a lifetime-buy quote if a long-term supply is required.
AT40K10AL-1BQU vs XC6SLX9 - which is better for glue logic?
The AT40K10AL-1BQU is suitable for legacy glue-logic tasks at 3.3V with 114 IO and 50K usable gates, while the XC6SLX9 (Xilinx Spartan-6) is recommended for modern designs requiring higher density and lower power. Choose AT40K10AL for at-cost legacy board rebuilds, and choose XC6SLX9 for new platforms.
AT40K10AL-1BQU vs AT40K20AL-1BQU - which should I choose?
The AT40K10AL-1BQU delivers 10K system gates with 576 logic cells in a 144-LQFP, while the AT40K20AL-1BQU offers roughly twice the capacity in the same package. Choose AT40K10AL when your design fits within 50K usable gates; choose AT40K20AL when you need headroom above 50K gates or larger DSP-style data paths.
When should I choose AT40K10AL-1BQU over the AT40K40AL?
Choose the AT40K10AL-1BQU when your design fits within 50,000 usable gates and you want the lowest unit cost in the AT40KAL family. Choose the AT40K40AL only if your design exceeds 50K gates or you need higher IO count, since the 40K member delivers larger CLB array in a bigger package at higher cost.
What is the best drop-in replacement for AT40K10AL-1BQU?
The closest drop-in alternative is the AT40K10AL-1EQG, which shares the same 10K system-gate architecture and Cache Logic fabric but uses a 144-pin PQFP package with different pinout. For modern replacements, the Microchip AGLN010 is recommended; verify pinout and toolchain compatibility against the AT40K datasheet before redesign.
Where can I download the AT40K10AL-1BQU datasheet PDF?
The official AT40KAL family datasheet that covers AT40K10AL-1BQU is published at the Microchip product portal: https://ww1.microchip.com/downloads/aemDocuments/documents/OTH/ProductDocuments/DataSheets/Atmel-2818-FPGA-AT40KAL-Series-Datasheet.pdf. The document covers electrical characteristics, IO standards, configuration modes, and Cache Logic programming flow.
Where can I find the AT40K10AL-1BQU pinout diagram?
The AT40K10AL-1BQU pinout for the 144-LQFP package is published in the AT40KAL datasheet Section 2 (Pinout). Signal-to-pin mapping including CLB clock, configuration JTAG pins, and 114 IO banks is listed in tabular form together with package drawings showing ball/pin numbering convention.

Data referensi engineering untuk AT40K10AL-1BQU — pembandingan, panduan desain, dan informasi konformitas.

Panduan Pemilihan

Choose AT40K10AL-1BQU when you need a 10K-gate, 3.3V FPGA in a 144-LQFP industrial-grade footprint for glue-logic replacement, modest DSP pre-stage, or image preprocessing front-end. If your design fits within 50K usable gates, this part offers the lowest unit cost in the AT40KAL family. Choose AT40K20AL-1BQU for designs that exceed 50K usable gates, choose AT40K10AL-1EQG when extended industrial screening is required, and choose AT40K10AL-1DQC for a different speed bin at lower cost. For new designs, evaluate modern Microchip FPGAs (IGLOO nano, PolarFire) because the AT40KAL series is NRND.

Pembandingan dengan Alternatif

Parameter Umum Produk Ini AT40K10AL-1EQG AT40K10AL-1DQC AT40K20AL-1BQU AT40K10AL-1QC
Brand Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Package 144-LQFP 144-LQFP 144-LQFP 144-LQFP 144-LQFP
System Gates 10,000 10,000 10,000 20,000 10,000
Logic Cells 576 576 576 1,152 576
Maximum Usable Gates 50,000 50,000 50,000 100,000 50,000
Supply Voltage 3.0V to 3.6V 3.0V to 3.6V 3.0V to 3.6V 3.0V to 3.6V 3.0V to 3.6V
Total RAM Bits 4,608 4,608 4,608 9,216 4,608
Combinatorial Delay 1 ns 1 ns 1 ns 1 ns 1 ns
Lifecycle Status NRND NRND NRND NRND NRND
Unit Price (qty 1) 38.52 USD 44.20 USD 35.10 USD 62.00 USD 36.00 USD

Diferensiator Kunci

  • 10K system gates in the small-density Cache Logic family (vsAT40K05AL)
  • Industrial temperature grade with 144-LQFP option (vsAT40K10AL-1BCC)
  • 1 ns combinatorial delay for arithmetic (vsAT40K40-2EQI)

Catatan Desain

Decouple each VCC and VCCIO bank with 0.1uF ceramic caps placed within 5 mm of each supply pin, plus a single bulk 47uF tantalum or 100uF aluminum-polymer cap on the main 3.3V rail. The AT40KAL sequencing requires the 3.3V core supply to ramp monotonically; the IO VCCIO rails may come up before or after the core, but must settle before configuration clock CCLK begins toggling.

Do not drive JTAG lines from long cables - the TCK, TDI, TMS inputs are sampled on rising edge and are sensitive to ringing. Place a 33 ohm series damping resistor at each JTAG pin and route the JTAG daisy-chain away from switching clock nets. Confirmed programming failure modes on legacy AT40K AL devices are caused by undershoot on TCK above 0.5 V below ground.

Route the 8 input clock pads in a dedicated layer with guard ground on adjacent tracks to reduce jitter. Maintain matched trace lengths (within +/- 25 ps) for synchronous clock distribution. The Cache Logic configuration ROM loads in serial, so keeping the configuration-mode trace under 50 mm ensures reliable DONE rising edge.

Informasi Konformitas

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Applicable
Bebas Logam Lengket
Yes
Bebas Halogena
Yes
Mineral Konflik
Compliant

RoHS compliant per DigiKey product listing. Not AEC-Q100 qualified since this is an FPGA. Industrial temperature grade only - not automotive qualified.

Data disahkan pada: 2026-10-14 — data disahkan dan disusun oleh tim engineering komponen XAIPART

Pencarian Terkait

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Komponen dan Istilah Terkait

Microchip Technology Atmel AT40K10AL-1BQU AT40K10AL AT40K05AL AT40K20AL AT40K40AL AT40KAL family FPGA Field Programmable Gate Array Programmable Logic Logic IC Integrated Circuit Semiconductor 144-LQFP LQFP PQFP Cache Logic CLB Configurable Logic Block JTAG RoHS CMOS AEC-Q100 3.3V
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