A42MX09-TQG176M - MX FPGA 14K Gates 104 I/O TQFP-176 | Microchip
料号： A42MX09-TQG176M ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $85 | $85.00 |
| 10 | $78.2 | $782.00 |
| 100 | $70.5 | $7,050.00 |
| 500 | $64 | $32,000.00 |
| 1,000 | $58.75 | $58,750.00 |
A42MX09-TQG176M 概述
An FPGA (Field-Programmable Gate Array) is a type of programmable logic device that lets designers implement custom digital circuits on a single chip. The MX family sits within the broader hierarchy of FPGA -> programmable logic -> semiconductor IC, and its antifuse programming technology provides non-volatile, secure, single-chip operation without a configuration PROM. This makes MX an ideal ASIC alternative and a low-cost platform for consolidating legacy PLDs into a single high-volume device.
Key differentiators of the A42MX09-TQG176M include its radiation-tolerant-style antifuse fabric that is immune to configuration upset, the flexible 5.0V-tolerant architecture easing mixed-voltage legacy integration, and the M grade suffix indicating a military/extended screening variant. The 176-pin TQFP surface-mount package provides a 0.5 mm lead pitch suitable for standard SMT assembly.
Architecturally, the MX fabric is built from combinational and sequential logic modules arranged in clusters, with predictable interconnect delays that simplify timing closure compared to SRAM FPGAs. Because the antifuse configuration is one-time-programmable, designs benefit from inherent security and instant-on behavior.
Typical applications include legacy defense and industrial system sustainment, glue logic consolidation, bus interfacing, and state-machine control in high-reliability systems where configuration volatility is unacceptable.
Design consideration: antifuse FPGAs cannot be reprogrammed, so functional verification must be complete before programming; plan a spare-gate margin of roughly 20-30% for late design changes.
直接替换替代料： A42MX09-TQG176M ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： A42MX09-TQG176M （相同外形与封装尺寸） ——差异在于 Package, Family, Supply Voltage, System Gates, Process Technology.
快速对比工具——选择替代料号进行并排对比：
A42MX09-TQG176A
✅ 直接替换✓ 有现货
$32.1 / 个
查看数据手册 →A42MX16-TQG176M
✅ 直接替换✓ 有现货
$61.2 / 个
查看数据手册 →A42MX16-2TQG176
✅ 直接替换✓ 有现货
$28.4 / 个
查看数据手册 →A42MX24-1TQG176M
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →A42MX24-TQG176A
✅ 直接替换✓ 有现货
$43.2 / 个
查看数据手册 →A42MX24-1TQG176I
✅ 直接替换✓ 有现货
$23.9 / 个
查看数据手册 →A42MX09-TQG176M 最大额定值与电气特性
| Family | MX (Actel antifuse FPGA) |
| System Gates | 14000 |
| Logic Cells | 336 |
| User I/O | 104 |
| 电源电压 | 3.3 V / 5 V |
| Process Technology | 0.45 um |
| 最大时钟频率 | 129 MHz / 215 MHz |
| Programming Technology | Antifuse (one-time programmable) |
| 封装 | 176-pin TQFP (TQG176) |
| 安装类型 | Surface Mount |
| Grade / Screening | M (military screening variant) |
| Configuration | Non-volatile, no external configuration PROM required |
A42MX09-TQG176M 引脚配置
| 引脚 1 | IO — User input/output (bank A) |
| 引脚 22 | VCCA — Core/array power supply |
| 引脚 23 | GND — Ground |
| 引脚 44 | VCCI — I/O bank supply |
| 引脚 45 | CLKA — Primary clock input (hard-wired low-skew) |
| 引脚 66 | IO — User input/output (bank B) |
| 引脚 88 | GND — Ground |
| 引脚 89 | CLKB — Secondary clock input |
| 引脚 110 | VCCA — Core/array power supply |
| 引脚 132 | IO — User input/output (bank C) |
| 引脚 154 | GND — Ground |
| 引脚 175 | IO — User input/output (bank D) |
典型应用
A42MX09-TQG176M 适用于 6 应用s: Legacy Defense System Sustainment, Glue Logic Consolidation, Industrial Control and Automation, Bus Interface and Protocol Bridging, ASIC Prototyping and Low-Volume Replacement, Secure Configuration-Locked Logic.
Legacy Defense System Sustainment
The A42MX09-TQG176M fits defense sustainment programs because its M-grade screening and antifuse non-volatile fabric meet the reliability expectations of fielded military electronics. With 14K gates and 104 I/O, it absorbs obsolete PAL/GAL/PLD consolidation, and the 5.0V-tolerant architecture directly drives legacy TTL-level backplanes. Because the antifuse fabric cannot lose configuration under upset conditions, no external configuration PROM is needed, simplifying obsolescence-driven redesigns in avionics and ground systems. Quantified benefit: one 176-TQFP device replaces dozens of legacy SSI/MSI parts, cutting board area and improving long-term supply continuity through Microchip's high-volume MX platform.
推荐
Glue Logic Consolidation
The A42MX09-TQG176M is well suited to glue logic consolidation where address decoders, bus transceivers, and state machines once occupied multiple 74-series devices. Its 336 logic cells and 104 user I/O provide ample capacity for medium-scale integration, and predictable antifuse interconnect delays make timing closure straightforward for decode and handshake logic. Placed on a 5V or 3.3V bus, the MX fabric interfaces directly with legacy signal levels, eliminating level-shifting circuitry. The quantified benefit is board-area reduction and a single sourcing point; the trade-off is one-time programmability, so the consolidated function must be fully verified in simulation before programming production devices.
推荐
Industrial Control and Automation
In industrial controllers, the A42MX09-TQG176M implements deterministic control sequencing, encoder interfacing, and motor-drive supervisory logic. The 129/215 MHz maximum clock rates easily cover PWM and quadrature-decode tasks, and instant-on antifuse configuration means the controller is functional the moment power is applied - valuable in systems with fast watchdog requirements. The 104 user I/O directly connect sensors, relays, and legacy 24V-logic interface circuitry through standard buffering. Industrial users should verify the commercial/industrial temperature variant selection (A grade vs I grade) for the cabinet environment, since the M-suffix part is screened for more severe conditions than typically required on the factory floor.
推荐
Bus Interface and Protocol Bridging
The A42MX09-TQG176M serves as a protocol bridge between legacy buses (VME-style backplanes, parallel peripheral buses) and modern digital subsystems. Its 5.0V-tolerant I/O and 104 available pins support wide parallel data paths without external transceivers in many designs, while the deterministic antifuse routing delivers consistent propagation delay across power and temperature - important for bus timing budgets. Typical implementations include address decode, byte-swap, wait-state generation, and handshaking at clock rates up to the 129 MHz fabric limit. Because the device is one-time programmable, frozen protocol behavior also provides a certification advantage in regulated systems where post-deployment logic change must be prevented.
推荐
ASIC Prototyping and Low-Volume Replacement
The MX family is positioned by Microchip as a reliable, single-chip ASIC alternative, and the A42MX09-TQG176M fits low-volume ASIC replacement where mask costs are unjustified. Fourteen thousand system gates accommodate modest synthesized RTL functions, and the 0.45um antifuse process provides stable, production-worthy timing without the configuration-liability of SRAM devices. Compared with an ASIC, NRE is zero and lead time is distributor stock; compared with an SRAM FPGA, the design is secure and powers up instantly. The trade-off is capacity and cost-per-gate - above roughly 14K gates, designers should move to the pin-compatible MX16/MX24 variants rather than forcing density.
推荐
Secure Configuration-Locked Logic
Applications requiring logic content protection - copy prevention of proprietary algorithms, encryption key handling paths, or anti-tamper designs - benefit from the A42MX09-TQG176M's antifuse fabric. Unlike SRAM FPGAs, there is no bitstream to intercept at power-up because configuration is permanently programmed into the antifuse interconnect, and readback paths do not expose programmed data. With 14K gates, designers can implement DES-class datapaths, authentication state machines, and board-level security controllers. The quantified design consideration is that any functional update requires a new programmed device, so change control and a small programming-ready spares pool are recommended for fielded secure systems.
推荐
推荐产品汇总
工程参考数据： A42MX09-TQG176M ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | A42MX09-TQG176A | A42MX16-TQG176M | A42MX24-1TQG176M |
|---|---|---|---|---|
| Package | 176-TQFP | 176-TQFP - same | 176-TQFP - same | 176-TQFP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| System Gates | 14000 | 14000 | 24000 (MX16) | 36000 (MX24) |
| Supply Voltage | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V |
| Grade / Screening | M (military) | A (commercial) | M (military) | M (military) |
| Programming Technology | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) | Antifuse (OTP) |
关键差异点
- Military M-grade screening in standard package （对比 A42MX09-TQG176A)
- Lowest-cost MX entry in TQFP-176 （对比 A42MX16-TQG176M)
- 5.0V-tolerant legacy interface （对比 Cross-brand SRAM FPGAs)
设计说明
Antifuse MX devices are one-time programmable: there is no rework path after programming. Complete full gate-level simulation and static timing analysis before programming production units, and program engineering evaluation devices separately from production lots. Maintain a 20-30% gate and I/O margin in the 14K/104-I/O budget to accommodate late changes without a board spin.
Decouple VCCA (array core) and VCCI (I/O) supplies independently with 0.1 uF ceramic capacitors at each supply pin pair, plus bulk 10 uF near the device. The MX 5V-tolerant I/O can source significant legacy-bus current, so size the VCCI rail for total simultaneous switching I/O current rather than the quiescent core draw.
The 176-TQFP has a 0.5 mm lead pitch - use solder-mask-defined pads per the MX datasheet package drawing and inspect with 10x minimum magnification for solder bridges. Connect hard-wired clock pins (CLKA/CLKB) to low-skew clock sources and keep clock traces length-matched to data within the same bus group for predictable timing in the antifuse fabric.
合规信息
Compliance status not stated in verified distributor snippets. Verify RoHS/lead-free flags on the DigiKey or Mouser product page for this exact MPN, or request Microchip certificate of conformance.
