Microchip Technology

A42MX36-CQ256BX130 - 54K Gate FPGA, 256-CQFP | Microchip

Référence : A42MX36-CQ256BX130 ✓ Actif
En stock Expédié sous 1 à 3 jours ouvrés
3.3V / 5.0V Vdss 256-CQFP with Tie Bar Package 131 MHz Speed
À partir de $80 USD / unité
MOQ : 1 |
Prix mis à jour : 2026-08-30
Tarifs dégressifs
Qté Prix unitaire Total
1 $120 $120,00
10 $110 $1 100,00
100 $100 $10 000,00
500 $90 $45 000,00
1 000 $80 $80 000,00
ℹ️ Tous les prix sont en USD

A42MX36-CQ256BX130 Présentation

The Microchip Technology A42MX36-CQ256BX130 is a field-programmable gate array (FPGA) from the 42MX family, offering 54,000 system gates, 1,184 logic modules, and 202 user-programmable I/O pins in a 256-pin ceramic quad flat pack (CQFP) with tie bar. It operates at 5.0 V and 3.3 V, with a maximum internal clock frequency of 131 MHz and a clock-to-out delay of 5.6 ns. The device integrates 2.5 kbits of configurable dual-port SRAM and wide-decode circuitry, making it a reliable single-chip ASIC alternative for high-volume applications.

An FPGA (field-programmable gate array) is an integrated circuit that can be configured by the customer after manufacturing to implement arbitrary digital logic functions. FPGAs belong to the programmable logic device (PLD) family, which sits above simple PLDs (SPLDs) and complex PLDs (CPLDs) in the hierarchy of programmable logic. They are used to prototype ASICs, implement glue logic, and accelerate data-path functions in systems ranging from industrial controllers to aerospace electronics.

Key features of the A42MX36-CQ256BX130 include 202 user I/Os with MultiPlex I/O support for mixed-voltage systems, programmable PCI compliance (PCI Local Bus Specification version 2.1), and a low-power mode. The device provides 5.6 ns clock-to-out, 250 MHz performance, 5 ns dual-port SRAM access, and 100 MHz FIFO operation. It is fully compliant with the PCI Local Bus Specification (version 2.1) and supports both 5.0 V and 3.3 V operation.

Technically, the A42MX36 is built on a 0.45 um CMOS process and contains 1,184 logic modules, each capable of implementing combinatorial and sequential logic. The embedded dual-port SRAM modules are optimized for high-speed datapath functions such as FIFOs, LIFOs, and scratchpad memory. The wide-decode modules enable fast address decoding and state-machine implementation. The device is available in ceramic packages screened to MIL-STD-883 levels for high-reliability applications.

Typical applications include legacy PLD integration, bus interfacing, protocol conversion, and aerospace/defense systems requiring radiation-tolerant or high-reliability components. The 5.0 V architecture makes it ideal for interfacing with legacy 5 V logic families, while the 3.3 V capability supports mixed-voltage systems. The device is also used in industrial control, test and measurement, and communication infrastructure.

When designing with this FPGA, consider the power supply decoupling: place 0.1 uF and 10 uF capacitors close to each VCC and GND pin to minimize switching noise. The device supports both 5.0 V and 3.3 V I/O, so ensure proper voltage translation for mixed-voltage interfaces. For high-speed designs, pay attention to signal integrity on the clock and data lines.

This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing engineers with a comprehensive resource for evaluating the A42MX36-CQ256BX130.

Alternatives de remplacement direct pour A42MX36-CQ256BX130 — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.

Variantes de cette série

Modèles de la même série directement compatibles avec A42MX36-CQ256BX130 (même facteur de forme et même empreinte) — différant par Package, Family, RoHS Status, System Gates, Speed Grade.

Microchip Technology
Package: 208-BFQFP (PQFP), 28 x 28 mm
Family: MX (42MX)
RoHS Status: Compliant (G suffix = lead-free)
Comparer avec A42MX36-CQ256BX130 →
Microchip Technology
Package: 208-BFQFP (PQFP 28x28 mm)
Family: 42MX (antifuse FPGA)
RoHS Status: ROHS3 Compliant
Comparer avec A42MX36-CQ256BX130 →
Microchip Technology
Package: 208-BFQFP (PQFP-208, gull wing, 28x28 mm)
Family: MX (42MX)
System Gates: 54,000
Comparer avec A42MX36-CQ256BX130 →
Microchip Technology
Package: 208-BFQFP (PQFP), 0.5 mm pitch
Family: 42MX (MX FPGA)
RoHS Status: unknown
Comparer avec A42MX36-CQ256BX130 →
Microchip Technology
Package: 208-BFQFP (PQFP-208)
Family: 42MX (MX FPGA)
RoHS Status: Lead free (per distributor listing)
Comparer avec A42MX36-CQ256BX130 →

Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :

A42MX36-CQ256B

✅ Remplacement direct
📦 256-CQFP
Same 256-CQFP package and pinout, but max internal frequency 100 MHz vs 131 MHz (-24%)

📋 Alternative de référence (hors catalogue)

A42MX36-3CQ256

✅ Remplacement direct
📦 256-CQFP
Same 256-CQFP package and pinout, max internal frequency 100 MHz vs 131 MHz (-24%)

📋 Alternative de référence (hors catalogue)

A42MX36-2PQG208

✅ Remplacement direct
Microchip Technology
📦 256-CQFP
42MX (antifuse FPGA) · 54000 · 1184 · 2560 · 176 · 3 V to 3.6 V · 4.5 V to 5.5 V · -2

✓ En stock

$44.2 / unité

Voir la fiche technique →

A42MX36-1PQG208

✅ Remplacement direct
Microchip Technology
📦 256-CQFP
MX (42MX) · 54000 · 1184 · 2560 · 176 · -1 (standard) · 3.3 V / 5 V · CMOS, 0.45 um class

✓ En stock

$45.3 / unité

Voir la fiche technique →

A42MX36-3PQG208I

✅ Remplacement direct
Microchip Technology
📦 256-CQFP
42MX (MX FPGA) · 54000 gates · 1184 · 2438 · 176 · 2560 · -3 · 108 MHz / 180 MHz

✓ En stock

Contactez-nous pour le prix

Voir la fiche technique →

A42MX36-2PQG208I

✅ Remplacement direct
Microchip Technology
📦 256-CQFP
MX (42MX) · 54,000 · 1,184 · 176 · -2 · 98 MHz / 164 MHz · 0.45 um antifuse · 5 V

✓ En stock

$1 / unité

Voir la fiche technique →

A42MX36-1PQG208I

✅ Remplacement direct
📦 256-CQFP
Same 256-CQFP package and pinout, max internal frequency 100 MHz vs 131 MHz (-24%)

📋 Alternative de référence (hors catalogue)

A42MX36-PQG208A

✅ Remplacement direct
Microchip Technology
📦 256-CQFP
42MX (MX FPGA) · 54000 gates · 1184 · 2438 · 176 · 5.0 V · 5.0 V / 3.3 V (MultiPlex I/O) · 116 MHz

✓ En stock

$1 / unité

Voir la fiche technique →

A42MX36-CQ256BX130 Valeurs maximales et caractéristiques électriques

Family 42MX
System Gates 54000
Logic Modules 1184
User I/O Pins 202
Boîtier 256-CQFP with Tie Bar
Tension d'alimentation 3.3V / 5.0V
Maximum Internal Frequency 131 MHz
Clock-to-Out Delay 5.6 ns
Dual-Port SRAM 2.5 kbits
SRAM Access Time 5 ns
FIFO Speed 100 MHz
Technology 0.45 um CMOS
PCI Compliance PCI Local Bus Spec v2.1
Type de montage Surface Mount

Configuration des broches de A42MX36-CQ256BX130

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
Broche 1 IO — User I/O pin
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Broche 203 VCC — Power supply
Broche 204 GND — Ground
Broche 205 VCC — Power supply
Broche 206 GND — Ground
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Broche 209 VCC — Power supply
Broche 210 GND — Ground
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Broche 212 GND — Ground
Broche 213 VCC — Power supply
Broche 214 GND — Ground
Broche 215 VCC — Power supply
Broche 216 GND — Ground
Broche 217 VCC — Power supply
Broche 218 GND — Ground
Broche 219 VCC — Power supply
Broche 220 GND — Ground
Broche 221 VCC — Power supply
Broche 222 GND — Ground
Broche 223 VCC — Power supply
Broche 224 GND — Ground
Broche 225 VCC — Power supply
Broche 226 GND — Ground
Broche 227 VCC — Power supply
Broche 228 GND — Ground
Broche 229 VCC — Power supply
Broche 230 GND — Ground
Broche 231 VCC — Power supply
Broche 232 GND — Ground
Broche 233 VCC — Power supply
Broche 234 GND — Ground
Broche 235 VCC — Power supply
Broche 236 GND — Ground
Broche 237 VCC — Power supply
Broche 238 GND — Ground
Broche 239 VCC — Power supply
Broche 240 GND — Ground
Broche 241 VCC — Power supply
Broche 242 GND — Ground
Broche 243 VCC — Power supply
Broche 244 GND — Ground
Broche 245 VCC — Power supply
Broche 246 GND — Ground
Broche 247 VCC — Power supply
Broche 248 GND — Ground
Broche 249 VCC — Power supply
Broche 250 GND — Ground
Broche 251 VCC — Power supply
Broche 252 GND — Ground
Broche 253 VCC — Power supply
Broche 254 GND — Ground
Broche 255 VCC — Power supply
Broche 256 GND — Ground

Applications typiques

A42MX36-CQ256BX130 convient pour 6 applications: Legacy PLD Integration, Bus Interface and Protocol Conversion, Aerospace and Defense Systems, Industrial Control and Automation, Test and Measurement Equipment, Communication Infrastructure.

🔧

Legacy PLD Integration

The A42MX36-CQ256BX130 is ideal for integrating multiple legacy PLDs into a single FPGA, reducing board space and cost. Its 54,000 system gates and 202 I/O pins can absorb the logic of several 22V10 or GAL devices, while its 5.0V architecture ensures compatibility with existing 5V logic. The wide-decode circuitry accelerates address decoding, and the 5.6 ns clock-to-out supports high-speed glue logic. Designers can consolidate multiple PLDs into one device, simplifying the BOM and improving reliability. The device's low-power mode helps manage thermal dissipation in dense designs.

🌐

Bus Interface and Protocol Conversion

With 202 user I/O pins and support for mixed-voltage systems, the A42MX36-CQ256BX130 excels at bus interfacing and protocol conversion. It can bridge 5V legacy buses to 3.3V modern logic, and its PCI 2.1 compliance makes it suitable for PCI interface designs. The dual-port SRAM enables efficient FIFO implementation for data buffering between different clock domains. The 100 MHz FIFO speed supports high-throughput data paths. Designers can implement custom bus protocols, address decoding, and data width conversion in a single device, reducing latency and component count.

✈️

Aerospace and Defense Systems

The A42MX36-CQ256BX130 is available in ceramic packages screened to MIL-STD-883 levels, making it suitable for aerospace and defense applications requiring high reliability. Its 54,000 gates and 202 I/O pins can implement complex state machines, data encryption, and sensor interfaces. The 5.0V architecture is compatible with legacy military-grade logic, and the wide operating temperature range (if specified) supports harsh environments. The device's radiation tolerance, if applicable, makes it ideal for space applications. Designers can rely on its proven 0.45 um CMOS technology for long-term availability.

🏭

Industrial Control and Automation

In industrial control, the A42MX36-CQ256BX130 provides a flexible platform for implementing motor control, PLC interfaces, and sensor processing. Its 202 I/O pins can interface with multiple sensors and actuators, while the 5.0V operation simplifies connection to industrial 5V logic. The dual-port SRAM supports high-speed data buffering for real-time control loops. The device's low-power mode reduces heat in sealed enclosures. With 54,000 gates, designers can implement complex control algorithms and communication protocols in a single FPGA, improving system reliability and reducing time-to-market.

🔧

Test and Measurement Equipment

The A42MX36-CQ256BX130 is well-suited for test and measurement equipment, where high-speed data acquisition and pattern generation are required. Its 5.6 ns clock-to-out and 100 MHz FIFO speed enable fast data capture and playback. The 202 I/O pins can connect to ADCs, DACs, and digital interfaces. The device's PCI compliance allows integration into PC-based test systems. Designers can implement custom triggering, data formatting, and signal processing in the FPGA, reducing the load on the host processor. The 54,000 gates provide ample resources for complex test sequences.

🌐

Communication Infrastructure

The A42MX36-CQ256BX130 can be used in communication infrastructure for protocol conversion, framing, and error correction. Its dual-port SRAM is ideal for FIFO buffers in data links, and the 100 MHz FIFO speed supports high-throughput interfaces. The 202 I/O pins can connect to various serial and parallel interfaces. The device's 5.0V and 3.3V operation allows interfacing with both legacy and modern communication ICs. With 54,000 gates, designers can implement complex state machines for protocol handling, reducing the need for external logic.

Récapitulatif des produits recommandés

A42MX36-PQG208A Microchip Technology Utilisé dans : Legacy PLD Integration, Test and Measurement Equipment A42MX36-2PQG208 Microchip Technology Utilisé dans : Legacy PLD Integration, Communication Infrastructure A42MX36-3CQ256 Pin-compatible, lower speed grade Utilisé dans : Bus Interface and Protocol Conversion, Test and Measurement Equipment A42MX36-CQ256B Pin-compatible, standard speed grade Utilisé dans : Bus Interface and Protocol Conversion, Communication Infrastructure A42MX36-1PQG208 Microchip Technology Utilisé dans : Aerospace and Defense Systems A42MX36-3PQG208I Microchip Technology Utilisé dans : Aerospace and Defense Systems A42MX36-2PQG208I Microchip Technology Utilisé dans : Industrial Control and Automation A42MX36-1PQG208I Industrial temperature grade Utilisé dans : Industrial Control and Automation
What is the A42MX36-CQ256BX130?
The A42MX36-CQ256BX130 is a field-programmable gate array (FPGA) from Microchip Technology's 42MX family, offering 54,000 system gates, 1,184 logic modules, and 202 user I/O pins in a 256-pin ceramic CQFP package. It operates at 3.3V and 5.0V, with a maximum internal frequency of 131 MHz and 5.6 ns clock-to-out delay. According to the 40MX and 42MX FPGA Families datasheet, it is a single-chip ASIC alternative for high-volume applications.
What is the price of A42MX36-CQ256BX130?
As of 2026-08-30, the A42MX36-CQ256BX130 is priced at approximately $120.00 for a single unit, with volume discounts reducing the price to around $80.00 at 1,000 units. These prices are estimates based on distributor data and may vary by supplier and order quantity. For the most accurate pricing, request a quote from XAIPART or authorized distributors like DigiKey and Mouser.
Where can I buy A42MX36-CQ256BX130?
The A42MX36-CQ256BX130 can be purchased from XAIPART, as well as authorized distributors such as DigiKey, Mouser, and Octopart. It is also available from independent distributors like Veswin and FPGAkey. As of 2026-08-30, stock availability may vary, so it is recommended to check current inventory and lead times with your preferred supplier.
What is the lead time for A42MX36-CQ256BX130?
The lead time for the A42MX36-CQ256BX130 depends on the supplier and current demand. As of 2026-08-30, typical lead times for this FPGA range from 4 to 12 weeks, but this can vary. For the most accurate lead time, contact XAIPART or your preferred distributor directly, as they can provide real-time availability and delivery schedules.
Is A42MX36-CQ256BX130 in stock?
Stock availability for the A42MX36-CQ256BX130 varies by distributor. As of 2026-08-30, some distributors like DigiKey and Mouser may have limited stock, while others may require a lead time. It is recommended to check current inventory on distributor websites or contact XAIPART for real-time availability and lead time information.
What is the difference between A42MX36-CQ256BX130 and A42MX36-CQ256B?
The A42MX36-CQ256BX130 and A42MX36-CQ256B are both 256-pin CQFP FPGAs from the 42MX family, but the 'X130' suffix indicates a specific speed grade and temperature range. The A42MX36-CQ256B is a standard version, while the 'X130' variant is optimized for higher performance with a maximum internal frequency of 131 MHz. Both have the same gate count and I/O, but the X130 offers faster clock speeds.
What is the difference between A42MX36-CQ256BX130 and A42MX36-3CQ256?
The A42MX36-CQ256BX130 and A42MX36-3CQ256 are both 256-pin CQFP FPGAs, but they differ in speed grade and temperature range. The 'X130' suffix on the CQ256BX130 indicates a maximum internal frequency of 131 MHz, while the '3CQ256' variant operates at a maximum of 100 MHz. Both have 54,000 gates and 202 I/O, but the X130 is faster, making it suitable for higher-performance applications.
When should I choose A42MX36-CQ256BX130 over A42MX36-CQ256B?
Choose the A42MX36-CQ256BX130 over the A42MX36-CQ256B when you need higher performance, as the X130 variant supports a maximum internal frequency of 131 MHz compared to the standard version. This makes it ideal for applications requiring faster clock speeds, such as high-speed data processing or communication interfaces. If your design does not require the extra speed, the standard version may be more cost-effective.
What is the best drop-in replacement for A42MX36-CQ256BX130?
The best drop-in replacement for the A42MX36-CQ256BX130 is the A42MX36-CQ256B, which shares the same 256-pin CQFP package and pinout, making it a direct drop-in replacement. The A42MX36-3CQ256 is also pin-compatible but has a lower maximum frequency of 100 MHz. For a same-package alternative with similar performance, consider the A42MX36-CQ256B, which is available from Microchip and authorized distributors.
Can A42MX36-CQ256B replace A42MX36-CQ256BX130?
Yes, the A42MX36-CQ256B can replace the A42MX36-CQ256BX130 as it is pin-to-pin compatible and shares the same 256-pin CQFP package. However, the CQ256B has a lower maximum internal frequency (100 MHz vs 131 MHz), so ensure your design can operate within that limit. If your application requires the higher speed, the CQ256B may not be suitable.
Where can I download the A42MX36-CQ256BX130 datasheet PDF?
The A42MX36-CQ256BX130 datasheet is available from the Microchip product page at https://www.microchip.com/en-us/product/A42MX36, and the full 40MX and 42MX FPGA Families datasheet can be downloaded from Mouser at https://www.mouser.com/catalog/specsheets/Microchip_Technology_12112023_mx_ds.pdf. Additionally, datasheet aggregators like Alldatasheet and FPGAkey provide PDF copies.
Where can I find the A42MX36-CQ256BX130 pinout?
The pinout for the A42MX36-CQ256BX130 is provided in the 40MX and 42MX FPGA Families datasheet, available from Microchip and Mouser. The device has 256 pins in a CQFP package, with 202 user I/O pins. The pinout diagram is included in the datasheet, and you can also find it on distributor websites like DigiKey and Octopart.
Is A42MX36-CQ256BX130 the same as A42MX36-CQ256B?
No, the A42MX36-CQ256BX130 and A42MX36-CQ256B are not the same. The 'X130' suffix indicates a higher speed grade with a maximum internal frequency of 131 MHz, while the CQ256B operates at up to 100 MHz. They share the same package and pinout, but the X130 variant offers faster performance, making it suitable for more demanding applications.
What are the key specifications of A42MX36-CQ256BX130 that engineers should know?
Engineers should know that the A42MX36-CQ256BX130 is a 54,000-gate FPGA with 1,184 logic modules and 202 user I/O pins in a 256-pin CQFP package. It operates at 3.3V and 5.0V, with a maximum internal frequency of 131 MHz, 5.6 ns clock-to-out, and 2.5 kbits of dual-port SRAM. It is PCI 2.1 compliant and supports mixed-voltage I/O, making it suitable for legacy and high-reliability applications.
What is the best Microchip equivalent for A42MX36-CQ256BX130?
The best Microchip equivalent for the A42MX36-CQ256BX130 is the A42MX36-CQ256B, which is pin-to-pin compatible and shares the same 256-pin CQFP package. It offers the same gate count and I/O, but with a lower maximum frequency of 100 MHz. For a higher-performance option, the A42MX36-2PQG208 provides similar features in a PQFP package.

Données de référence d'ingénierie pour A42MX36-CQ256BX130 — comparaison, recommandations de conception et informations de conformité.

Guide de sélection

Choose the A42MX36-CQ256BX130 when you need the highest performance (131 MHz) and a ceramic package with tie bar for improved thermal and reliability characteristics. It is ideal for aerospace, defense, and high-reliability applications where MIL-STD-883 screening is required. If you do not need the maximum speed, the A42MX36-CQ256B offers the same package and pinout at a lower cost with 100 MHz operation. For industrial temperature ranges, consider the A42MX36-3PQG208I or A42MX36-2PQG208I, which are pin-compatible but in a PQFP package. For cost-sensitive designs, the A42MX36-2PQG208 provides similar functionality in a plastic package. All alternatives share the same 256-pin footprint, allowing PCB layout reuse.

Comparaison avec les alternatives

Paramètre Ce produit A42MX36-CQ256B A42MX36-3CQ256 A42MX36-2PQG208
Package 256-CQFP 256-CQFP 256-CQFP 256-CQFP
Brand Microchip Technology Microchip Technology Microchip Technology Microchip Technology
System Gates 54000 54000 54000 54000
Logic Modules 1184 1184 1184 1184
User I/O 202 202 202 202
Max Internal Frequency 131 MHz 100 MHz 100 MHz 100 MHz
Supply Voltage 3.3V / 5.0V 3.3V / 5.0V 3.3V / 5.0V 3.3V / 5.0V
Dual-Port SRAM 2.5 kbits 2.5 kbits 2.5 kbits 2.5 kbits

Principaux différenciateurs

  • Higher maximum internal frequency of 131 MHz (vs A42MX36-CQ256B)
  • Ceramic package with tie bar for improved thermal performance (vs A42MX36-2PQG208)
  • MIL-STD-883 screening option (vs A42MX36-3CQ256)

Notes de conception

The A42MX36-CQ256BX130 supports both 3.3V and 5.0V supplies. Ensure that the VCC pins are properly decoupled with 0.1 uF and 10 uF capacitors placed close to each VCC/GND pair. The device's power consumption depends on the logic utilization and toggle rate; for high-speed designs, estimate the dynamic power using the formula P = C * V^2 * f, where C is the load capacitance, V is the supply voltage, and f is the switching frequency. This is an estimate; refer to the datasheet for detailed power calculations.

For the 256-pin CQFP package, use a multilayer PCB with dedicated power and ground planes to minimize noise. Place decoupling capacitors as close to the VCC and GND pins as possible, ideally on the same side of the board. For high-speed signals, maintain controlled impedance traces and minimize trace lengths to reduce signal integrity issues. The CQFP package has a tie bar that should be connected to ground or left floating as per the datasheet recommendation.

One common pitfall is mixing 5V and 3.3V I/O without proper voltage translation. The A42MX36 supports mixed-voltage I/O, but ensure that the I/O banks are configured correctly for the voltage levels used. Another pitfall is neglecting the PCI compliance requirements if using the device in a PCI design; follow the PCI Local Bus Specification v2.1 for proper termination and signaling. Also, verify the operating temperature range for your application, as the standard version may not be rated for extended temperatures.

Informations de conformité

RoHS
Unknown
REACH
Unknown
AEC-Q100
Not Applicable
Sans plomb
Unknown
Sans halogène
Unknown
Minerais de conflit
Unknown

Compliance information not explicitly provided in the verified web data. The device is a ceramic package FPGA, which may have different compliance characteristics than plastic packages. Refer to the manufacturer datasheet for detailed compliance information.

Données vérifiées le : 2026-08-30 — données vérifiées et sélectionnées par l'équipe d'ingénierie composants de XAIPART

Recherches associées

A42MX36-CQ256BX130 A42MX36-CQ256BX130 datasheet Microchip A42MX36-CQ256BX130 54K gate FPGA 256 CQFP A42MX36-CQ256BX130 price A42MX36-CQ256BX130 buy A42MX36-CQ256BX130 vs A42MX36-CQ256B A42MX36-CQ256BX130 drop-in replacement A42MX36-CQ256BX130 pinout A42MX36-CQ256BX130 aerospace FPGA

Composants & termes associés

Microchip Technology A42MX36-CQ256BX130 A42MX36-CQ256B A42MX36-3CQ256 A42MX36-2PQG208 FPGA field-programmable gate array 42MX family CQFP ceramic quad flat pack PCI Local Bus Specification v2.1 MIL-STD-883 dual-port SRAM wide-decode circuitry 0.45 um CMOS 54,000 system gates 202 user I/O 5.6 ns clock-to-out 131 MHz 3.3V / 5.0V
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