M58BW32FB5T3F - 32Mbit 3.3V NOR Flash, 55ns | Micron
부품 번호: M58BW32FB5T3F ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $8.95 | $8.95 |
| 10 | $8.25 | $82.50 |
| 100 | $7.4 | $740.00 |
| 500 | $6.75 | $3,375.00 |
| 1,000 | $6.2 | $6,200.00 |
M58BW32FB5T3F 개요
A parallel NOR Flash memory is a nonvolatile semiconductor memory in which memory cells are connected in parallel, allowing random access to any address directly. In the memory hierarchy, NOR Flash sits alongside DRAM, NAND Flash, and EEPROM within the broader flash memory and solid-state storage category. Unlike NAND Flash, NOR Flash supports execute-in-place (XIP), making it the standard choice for storing boot code, firmware, and parameter tables in embedded processors and microcontroller systems.
Key features of the M58BW32FB5T3F include the 32Mbit (1M x 32-bit) organization on a 16-bit/32-bit parallel data bus, a fast 55 ns read access time that eliminates the need for processor wait states in many designs, and a single 3.3V supply that simplifies power rail design. The boot block architecture allows protected small sectors at the bottom of the array for reset and exception vectors, while larger sectors store application firmware.
Technically, the device belongs to the 16Mb/32Mb 3.3V burst-mode parallel NOR Flash family originally developed by STMicroelectronics and later manufactured by Micron Technology. It supports asynchronous page read as well as burst read modes synchronized to an external clock, enabling high-throughput code fetch for high-performance CPUs. Standard command-set programming and block erase operations are controlled via the memory command interface, with status polled through dedicated signals.
Typical applications include automotive telematics and infotainment boot storage, industrial control modules requiring firmware retention, and networking equipment storing configuration images. The AEC-Q100 qualification and temperature-grade ordering suffix (3F) target under-hood and harsh-environment deployments.
Design consideration: verify burst-clock timing and wait-state configuration against the 55 ns access time, and respect the sector-erase endurance ratings in firmware update schemes.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, with specifications verified against Micron and distributor data as of 2026-09-05.
드롭인 대체품: M58BW32FB5T3F — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: M58BW32FB5T3F (동일 폼 팩터 및 풋프린트) — 차이점: Memory Type, Organization, Package, Packaging, Supply Voltage.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
M58BW16FB5T3F
✅ 드롭인 ⚠️ 사양 미검증📋 참조 대체품 (카탈로그에 없음)
M58BW32FB5T3F 최대 정격 & 전기적 특성
| 메모리 유형 | NOR Flash |
| 인터페이스 | Parallel |
| 메모리 크기 | 32 Mbit |
| 메모리 구성 | 1M x 32 |
| 공급 전압 | 3.3 V |
| Access Time | 55 ns |
| 패키지 | 80-PQFP (14x20 mm) |
| 실장 유형 | Surface Mount |
| Qualification | AEC-Q100 (automotive) |
| Packaging | Tape & Reel (TR) |
| Read Mode | Asynchronous and burst read |
| Architecture | Boot block |
| Family | M58BW32F 16Mb/32Mb 3.3V parallel NOR Flash |
M58BW32FB5T3F 80-pqfp (14x20 mm) 핀 구성 가이드
M58BW32FB5T3F(80-pqfp (14x20 mm) 패키지)의 핀 구성입니다. 이 디지털 IC에는 GPIO, 통신 인터페이스(UART, SPI, I2C), 전원 핀이 포함되어 있습니다. 대체 핀 기능과 구성 옵션은 제조사 데이터시트를 참조하십시오. 임베디드 시스템 설계와 PCB 레이아웃에 필수적입니다.
다음에 대한 상세 핀아웃 데이터 없음: M58BW32FB5T3F.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
M58BW32FB5T3F 적합 용도: 6 애플리케이션s: Automotive Telematics & Infotainment Boot Storage, Industrial PLC and Control Module Firmware, Networking Equipment Configuration Storage, Powertrain and Body Control Modules, Test and Measurement Instrumentation, Legacy System Continuation and Repair.
Automotive Telematics & Infotainment Boot Storage
The M58BW32FB5T3F fits automotive telematics and infotainment modules because it is AEC-Q100 qualified, operates from the ubiquitous 3.3V rail, and provides 32Mbit (1M x 32) of nonvolatile storage for boot code, application firmware, and calibration tables. Its 55 ns access time and burst-read mode let the head-unit processor fetch code directly from flash (XIP) without lengthy wait states or a shadow-RAM copy, shortening cold-start time. The boot-block architecture protects reset and exception vectors so that a failed firmware update cannot brick the unit. Designers should place the device on a short, controlled-impedance bus near the host CPU and implement dual-bank update schemes within the 32Mbit array to guarantee recovery paths.
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Industrial PLC and Control Module Firmware
Industrial programmable-logic and motor-control modules need firmware that survives power loss and hostile electrical environments, which is exactly the role of the M58BW32FB5T3F. The 3.3V single supply integrates cleanly with typical industrial 3.3V logic domains, and the 55 ns parallel access time allows deterministic code fetch without cache-miss penalties in safety-relevant control loops. The 1M x 32 organization matches 32-bit industrial MCUs and DSPs without bus-width conversion logic. Engineers typically reserve the small boot blocks for the bootloader and the larger uniform blocks for application images and parameter logs; the block-protection feature guards calibration data against accidental erase during field firmware updates.
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Networking Equipment Configuration Storage
Routers, switches, and industrial Ethernet gateways store bootloader, OS image, and configuration files in parallel NOR Flash, and the M58BW32FB5T3F provides 32Mbit of such storage on a 32-bit bus. The burst interface supports clocked reads for network processors that fetch code at speed, while the asynchronous mode serves simpler management controllers. With a 55 ns access time, even asynchronous code execution avoids inserted wait states on many embedded CPUs. Network designs benefit from the boot-block layout: the protected bottom blocks hold the recovery bootloader used after a failed image upgrade, improving field serviceability. Decoupling of at least 0.1 uF per power pin is recommended given the burst clock switching activity.
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Powertrain and Body Control Modules
Under-hood electronic control units demand AEC-Q100 qualified memory, and the M58BW32FB5T3F addresses this with its automotive ordering suffix and 32Mbit capacity for ECU firmware plus calibration datasets. The 3.3V operation matches modern MCU I/O rails, and the 55 ns access time supports code execution directly from flash at ignition start without a RAM shadowing phase, reducing start-up latency in powertrain applications. The boot-block protection scheme ensures the bootloader used for in-field reprogramming (flashing via K-line/CAN) is never corrupted. Designers must respect the datasheet erase/program endurance limits when scheduling calibration writes and verify the specific temperature grade for the mounting location.
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Test and Measurement Instrumentation
Bench instruments and data-acquisition systems use parallel NOR Flash to hold FPGA configuration images, calibration constants, and instrument firmware, and the M58BW32FB5T3F serves this role with a 1M x 32-bit array on a single 3.3V supply. The 55 ns access time and burst-read capability suit both slow maintenance reads by a management MCU and fast boot fetches by the instrument's main processor. The boot-block architecture separates the immutable bootloader from frequently updated application firmware, so firmware field updates never endanger the recovery path. The 80-pin PQFP (14x20 mm) surface-mount package provides robust mechanical attachment for bench equipment subject to vibration during transport.
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Legacy System Continuation and Repair
Many long-lifecycle systems - avionics test sets, medical diagnostics, and legacy automotive ECUs - were designed around the M58BW32F burst NOR family and still require identical devices for repair and small-volume production. The M58BW32FB5T3F continues to serve this continuation market because it preserves the original 80-pin PQFP footprint, the 1M x 32 organization, and the family command set, allowing a direct replacement on existing PCBs with no redesign. Maintenance engineers should verify board revision compatibility with the 3F ordering suffix (temperature grade), and confirm that firmware using burst mode matches the speed grade implied by the 55 ns access time before substitution.
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추천 제품 요약
엔지니어링 참조 데이터: M58BW32FB5T3F — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | M58BW16FB5T3F | M58BW16FB4ZA3F |
|---|---|---|---|
| Brand | Micron Technology | Micron Technology | Micron Technology |
| Density | 32 Mbit | 16 Mbit | 16 Mbit |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V |
| Automotive Grade (AEC-Q100) | Yes | Yes (3F automotive suffix) | Yes (3F automotive suffix) |
| Burst Read Support | Yes | Yes (same family) | Yes (same family) |
주요 차별점
- Double the firmware capacity versus 16Mbit family members (vs M58BW16FB5T3F)
- Automotive AEC-Q100 qualification with burst read (vs M58BW16FB4ZA3F)
- 55 ns access time supports wait-state-free XIP (vs M58BW16FB5T3F)
설계 노트
The 80-pin PQFP (14x20 mm) package has fine pitch leads; use a 0.5 mm-pitch-compatible land pattern per the manufacturer datasheet and inspect solder joints with X-ray or AOI given the gull-wing leads. Route the 32-bit data bus with matched lengths where the burst interface is clocked at high frequency, and place 0.1 uF decoupling capacitors at each VCC pin within 2 mm of the package. Avoid routing high-speed burst clock traces parallel to data lines for more than a few centimeters to limit crosstalk.
Boot-block NOR devices are frequently damaged in firmware-update schemes when erase operations overlap the protected bootloader sectors. Implement software interlocks so that application update code can never issue an erase command targeting the boot blocks, and verify the block-protection fuses at production. Also ensure burst configuration pins are set to a valid state at power-up; leaving them floating can cause undefined read behavior during the initial code fetch.
The device operates from a single 3.3 V rail, but program and erase operations draw higher transient currents than reads. Size the local power decoupling (at least 10 uF bulk plus 0.1 uF ceramic per supply pin) so that rail droop during block erase does not disturb neighboring 3.3 V logic on the same regulator. Estimated: with typical erase currents of tens of milliamps per datasheet figures, a 10 uF local reservoir limits droop to well under 100 mV for the erase duration.
규정 준수 정보
AEC-Q100 automotive qualification stated in distributor specifications (datasheets.com, updated 19-APR-2024). RoHS/REACH/lead-free status not explicitly stated in verified web data; confirm via official Micron product page.
