A42MX16-3PLG84I - 24K Gate MX FPGA, 84-PLCC | Microchip
부품 번호: A42MX16-3PLG84I ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $32.5 | $32.50 |
| 10 | $29.6 | $296.00 |
| 100 | $26.8 | $2,680.00 |
| 500 | $24.2 | $12,100.00 |
| 1,000 | $21.9 | $21,900.00 |
A42MX16-3PLG84I 개요
An FPGA (Field-Programmable Gate Array) is a semiconductor device containing a fabric of configurable logic blocks and programmable interconnects that the designer wires together post-manufacture, sitting within the broader programmable logic hierarchy: FPGA -> programmable logic device (PLD) -> digital logic IC -> semiconductor. The MX family is specifically positioned as a reliable, single-chip ASIC alternative, using a flexible 5.0V-tolerant architecture built on 0.45um flash-based technology, making it an ideal platform for consolidating legacy PLDs, glue logic, and ASIC replacements into a single low-cost, high-volume device.
Key features include 24K system gates for mid-density integration, 72 configurable I/O pins supporting 5V-compatible signaling, industrial-grade temperature operation, and the well-established PLCC package that simplifies socketed or rework-friendly assembly. The MX family's antifuse-style programmability provides design security and instant-on operation without configuration boot time, a meaningful advantage over SRAM FPGAs in legacy-replacement and defense-adjacent designs.
Technically, the 42MX die uses a 0.45um process with combinational and sequential modules (C-cells and R-cells) connected via a segmented routing fabric, balancing predictable timing with gate utilization. The dual 3.3V/5V supply support eases migration from older 5V-only board designs.
Typical applications include legacy PLD consolidation, industrial control and automation, telecommunications line cards, and ASIC prototyping or low-volume ASIC replacement where re-programmability of SRAM FPGAs is not required and long-term supply continuity matters.
Design consideration: the MX family is one-time programmable, so thoroughly verify the design in simulation and, where possible, using the in-system debugging flow before programming production units, since the programmed configuration cannot be changed in the field.
드롭인 대체품: A42MX16-3PLG84I — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: A42MX16-3PLG84I (동일 폼 팩터 및 풋프린트) — 차이점: Package, Family, System Gates, Speed Grade, RoHS Status.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
A42MX16-3PLG84
✅ 드롭인✓ 재고 있음
$1 / 개
데이터시트 보기 →A42MX16-2PLG84I
✅ 드롭인✓ 재고 있음
$30.8 / 개
데이터시트 보기 →A42MX16-1PLG84I
✅ 드롭인✓ 재고 있음
$1 / 개
데이터시트 보기 →A42MX16-2PLG84
✅ 드롭인✓ 재고 있음
$15.4 / 개
데이터시트 보기 →A42MX24-3PLG84I
⚡ 동일 패키지✓ 재고 있음
$43.5 / 개
데이터시트 보기 →A42MX16-FPLG84
⚡ 동일 패키지✓ 재고 있음
$21.5 / 개
데이터시트 보기 →A42MX16-3PLG84I 최대 정격 & 전기적 특성
| Family | MX (42MX) FPGA |
| System Gates | 24000 gates |
| Logic Cells | 608 cells |
| User I/O | 72 |
| Speed Grade | -3 |
| Toggle Rate | 142 MHz / 237 MHz |
| Process Technology | 0.45 um |
| 공급 전압 | 3.3 V / 5 V |
| 동작 온도 | -40C to +85C (Industrial) |
| 패키지 | 84-LCC (J-Lead, PLCC-84, PLG84) |
| 실장 유형 | Surface Mount |
| Programming Type | One-time programmable (OTP) |
| Lead Free | Yes (LEAD FREE per distributor data) |
| Configuration Boot Time | None (instant-on, no configuration load) |
A42MX16-3PLG84I 핀 구성
| 핀 1 | IO — User configurable I/O |
| 핀 7 | VDD — Core/IO supply (3.3V/5V system) |
| 핀 11 | GND — Ground |
| 핀 21 | IO/GCLK — User I/O or global clock input |
| 핀 22 | VPP — Programming voltage supply |
| 핀 42 | GND — Ground |
| 핀 63 | IO/GCLR — User I/O or global clear/reset |
| 핀 64 | VDD — Supply |
| 핀 84 | IO — User configurable I/O |
일반적인 애플리케이션
A42MX16-3PLG84I 적합 용도: 6 애플리케이션s: Legacy PLD and ASIC Replacement, Industrial Control and Automation, Telecommunications Line Cards, Medical Diagnostic Equipment, Aerospace and Defense Ground Systems, Test and Measurement Instrumentation.
Legacy PLD and ASIC Replacement
The MX family is positioned by Microchip as a reliable, single-chip ASIC alternative for consolidating legacy PLDs, GALs, and discontinued ASICs into one low-cost device. The A42MX16-3PLG84I provides 24K gates and 72 I/O with 5V-tolerant signaling, matching the electrical environment of 1990s-era boards. Its OTP programming means instant-on operation with no configuration memory to fail or be corrupted, and the 0.45um mature process guarantees long-term supply continuity that newer process nodes cannot match. Designers migrate original PLD equations into Libero SoC and re-close timing on the -3 speed grade.
추천
Industrial Control and Automation
Factory automation controllers, motor interface boards, and sensor aggregation modules benefit from the A42MX16-3PLG84I's -40C to +85C industrial temperature rating and 5V-compatible 72 I/O. The PLCC J-lead package tolerates the thermal cycling of industrial environments better than fine-pitch BGAs, and its 0.65mm-ish lead pitch allows hand rework on the production floor. Because MX devices are OTP, configuration is tamper-resistant in fielded equipment. Place the FPGA between 5V sensor banks and a 3.3V microcontroller bus, using its dual-voltage I/O to bridge both domains without level shifters.
추천
Telecommunications Line Cards
Legacy telecom and datacom line cards frequently used Actel MX FPGAs for framing, glue logic, and backplane interfacing, and the A42MX16-3PLG84I sustains those designs with 142/237 MHz toggling rates adequate for T1/E1-class and backplane timing. The 24K gate capacity absorbs address decode, interrupt control, and serial interface consolidation that previously consumed multiple PAL/GAL devices. The 84-PLCC socket-compatible footprint simplifies board-level maintenance in central-office equipment where card swaps must be fast. Instant-on OTP configuration means the card is active within microseconds of power application.
추천
Medical Diagnostic Equipment
Benchtop medical analyzers and imaging subsystems use the A42MX16-3PLG84I for deterministic, single-event-configured control logic where a corrupted SRAM configuration stream is unacceptable. The OTP fabric guarantees the same logic executes on every power-up, simplifying design verification for regulatory documentation. Its industrial temperature range covers typical clinical equipment environments, and 3.3V/5V I/O bridges modern ADC/DAC front ends to legacy 5V digital sections. Because medical product lifecycles span 10+ years, the MX family's long manufacturing history is a procurement advantage.
추천
Aerospace and Defense Ground Systems
Ground-based defense electronics, test sets, and radar support racks value the MX family's OTP design security and proven reliability; the related F-suffix (A42MX16-FPLG84) covers screened variants while the -3PLG84I serves benign-environment ground equipment. The instant-on, no-configuration-load behavior removes boot-time gaps in systems where logic must be live before system reset completes. The 24K gates implement bus arbitration, MIL-STD-style parallel interfaces, and built-in-test controllers. Designers should note the OTP constraint: use comprehensive simulation plus Libero timing closure before programming flight-adjacent hardware.
추천
Test and Measurement Instrumentation
Custom test fixtures, functional-board testers, and rack instrumentation use the A42MX16-3PLG84I as programmable glue between a PC host interface and device-under-test connectors. The 72 I/O and 142 MHz toggling handle pattern generation and capture at moderate speeds, while 5V-tolerant I/O directly drives TTL-level DUT boards without level translators. PLCC packages are socketable, allowing a single fixture PCB to accept different MX densities (A42MX16 to A42MX24) as fixture complexity grows. Reuse of one footprint across density grades shortens fixture respin cycles when test requirements expand.
추천
추천 제품 요약
엔지니어링 참조 데이터: A42MX16-3PLG84I — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | A42MX16-3PLG84 | A42MX16-2PLG84I | A42MX24-3PLG84I |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 84-PLCC (PLG84) | 84-PLCC - same | 84-PLCC - same | 84-PLCC - same |
| System Gates | 24000 | 24000 | 24000 | 36000 |
| Speed Grade | -3 | -3 | -2 | -3 |
| Temperature Range | -40C to +85C (I) | Commercial | -40C to +85C | -40C to +85C |
| Supply Voltage | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V |
| Programming Type | One-time programmable | One-time programmable | One-time programmable | One-time programmable |
주요 차별점
- Fastest standard speed grade in the MX 24K-gate family (vs A42MX16-2PLG84I)
- Industrial temperature rating for fielded equipment (vs A42MX16-3PLG84)
- Lower cost with full timing margin for relaxed designs (vs A42MX16-1PLG84I)
설계 노트
Decouple every VDD pin of the 84-PLCC package with a 0.1uF ceramic capacitor placed within 5 mm of the pin, plus one 10uF bulk capacitor per supply rail. The MX 5.0V-tolerant architecture supports 3.3V/5V systems; keep VPP (programming supply) at its specified level only during programming and per datasheet guidance in operation. Estimate current with the Libero SoC power calculator since dynamic consumption scales with toggle rate toward the 142/237 MHz limits.
The 42MX family is one-time programmable (OTP). Unlike SRAM FPGAs, a functional bug after programming cannot be patched - the device is consumed. Complete RTL simulation, static timing closure at your actual operating corner, and (where feasible) program and validate an engineering-lot unit before committing a production build. Also confirm speed grade (-3 vs -1/-2) at ordering, since slower grades will fail timing closure on aggressive designs.
The PLCC-84 J-lead package is socket-compatible (e.g., PLCC sockets for field-replaceable designs) - use a quality socket if the design requires device replacement, since sockets add inductance on clock lines; keep the global clock (IO/GCLK pin) trace short and series-terminate if driving from an off-package oscillator. J-leads are also easier to rework than BGA, enabling hand repair in low-volume industrial builds.
With 5V-tolerant I/O at 72 pins, simultaneous switching output (SSO) noise on ground returns is the dominant integrity risk. Limit the number of I/O switching on the same bank per clock edge, distribute ground pins across the design, and verify ground bounce with the datasheet SSO guidelines. For 3.3V/5V mixed banks, honor the datasheet I/O bank voltage constraints during pin assignment in Libero.
규정 준수 정보
Distributor listings (PCB Electronics, Kynix) explicitly mark the part LEAD FREE. Formal RoHS/REACH certificates should be requested from Microchip.
