Circuitos integrados

M29DW323DB70N3E

M29DW323DB70N3E - 32Mb NOR Flash 70ns 48-TSOP | Micron

The Micron Technology M29DW323DB70N3E is a 32Mbit (4M x 8 or 2M x 16) 3V parallel NOR Flash memory with a 70 ns access time, housed in a 48-pin TSOP I (Type I) surface-mount package rated from -40C to +125C. Parallel NOR Flash is a nonvolatile memory technology organized in random-access addressable banks, allowing a processor to execute code directly from the array (execute-in-place, XIP). Within the memory hierarchy, NOR Flash sits alongside DRAM and SRAM as a main-system memory class, distinguished by fast random access, byte-level programming, and block-level erase. It is the classic boot-memory choice for embedded systems where code reliability matters more than raw density. Key features of the M29DW323DB70N3E include the 70 ns address-to-output access time, supporting zero-wait-state or shallow-wait-state code execution from 3V buses; dual organization of 4M x 8 or 2M x 16 selected by the BYTE pin; and an extended industrial operating range of -40C to +125C for harsh environments. The device operates from a 3V supply class (VDD range per the manufacturer datasheet), simplifying integration in single-supply 3.3V embedded boards. Architecturally, the M29DW323DB family (with M29DW323DT as the top-boot variant) uses asymmetric block architectures with boot blocks located at the bottom of the array for the DB part, command-set operation compatible with common Flash standards, and hardware sector protection. Program and erase operations are managed via standard command sequences with status polling, streamlining driver development on common MCU and CPU platforms. Typical applications include firmware and bootloader storage for industrial controllers, networking line cards, telecom equipment, set-top boxes, and automotive/industrial modules that require reliable code storage across the -40C to +125C range. Design consideration: because parallel NOR draws more pins than serial NOR, reserve address/data bus bandwidth carefully and add proper decoupling on the 3V rail; verify block-protection settings before production programming. This page synthesizes distributor pricing, availability across multiple sources, same-family drop-in options, and application guidance not consolidated in the manufacturer datasheet.

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M29F160FB55N3F2

M29F160FB55N3F2 - 16Mbit 5V NOR Flash 55ns | Micron

The Micron Technology M29F160FB55N3F2 is a 16 Mbit (2 Mbyte) 5 V supply parallel NOR Flash memory organized as 1 Mword x 16 bits (or 2 Mbytes x 8 bits in byte mode) with a 55 ns access time, housed in a 48-pin TSOP package with bottom boot block architecture and lead-free (F2) termination finish. Parallel NOR Flash is a nonvolatile memory technology in which every cell connects directly to an address line, enabling random access read times measured in nanoseconds and in-place code execution (XIP). Within the memory hierarchy, NOR Flash sits alongside DRAM and SRAM as a core memory IC, typically storing boot code and firmware that a microprocessor fetches directly at power-up, unlike NAND Flash which is optimized for sequential mass storage. Key features of the M29F160FB family include single 5 V operation for both read and program/erase, an embedded program/erase controller that automates byte/word programming and block erase algorithms, and a block-protected architecture with hardware boot-block protection to guard the reset vector code. The 55 ns access time supports zero-wait-state execution from slow microprocessor buses, and standard command sets simplify software driver reuse. The bottom boot block (FB) variant places the small boot blocks at the bottom of the address map, matching processor designs that locate reset code at address 000000h. Program and erase operations are fully automated by the internal state machine, and the device reports status via data polling and toggle bits, eliminating software timing loops. The F2 suffix denotes lead-free, halogen-free packaging compliant with RoHS requirements, supporting -40 to +125 C operation for industrial and automotive-adjacent environments. Typical applications include embedded boot-code storage in industrial control, telecom line cards, set-top boxes, networking equipment, and legacy 5 V microprocessor systems where a wide parallel bus and fast random access are required. Design consideration: this is a 5 V-only part; ensure the host bus operates at 5 V logic levels or add level shifting, and verify block-protection programming before final PCB assembly. This page adds value beyond the datasheet by synthesizing distributor pricing, drop-in alternative cross-references, and practical design notes in one place.

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M29F200FB55M3E2

M29F200FB55M3E2 - 2Mbit 55ns NOR Flash 5V 44-SO | Micron

The Micron Technology M29F200FB55M3E2 is a 2 Mbit (2,097,152-bit) parallel NOR flash memory organized as 128K x 16 bits, with a 55 ns access time and 5 V single supply operation, housed in a 44-pin SO (SOP44) package with bottom boot block architecture. According to the Micron part catalog and distributor listings, this device provides uniform sector or boot-block organization for embedded code storage. A parallel NOR flash memory is a non-volatile semiconductor memory that allows random access to any address byte or word, making it directly executable (XIP, execute-in-place) by microprocessors. NOR flash sits within the broader memory hierarchy of non-volatile memory ICs, alongside NAND flash and serial NOR flash, and is commonly used for firmware, boot code, and parameter storage in embedded systems where deterministic read latency matters more than storage density. Key features of the M29F200FB55M3E2 include a single 5 V supply (VCC), a fast 55 ns access time compatible with zero-wait-state microprocessor buses, an embedded program/erase controller implementing automatic byte/word program and sector erase algorithms, and an operating temperature range of -40C to +125C for industrial and automotive-grade environments. The bottom boot block variant (FB) places the boot code blocks at the low-address end of the memory array, matching designs where the reset vector resides at address zero. On the technical side, the device uses Micron's 5 V NOR flash core technology with a command-set-based program/erase controller: the host processor issues command sequences and the embedded controller times and verifies program and erase operations internally, relieving the system software from pulse-timing loops. Status polling and suspend/resume modes allow code execution while an erase is in progress, an important capability for field-updatable firmware designs. Typical applications include boot code storage in industrial controllers, telecom and networking line cards, set-top boxes, and legacy 5 V embedded systems requiring parallel-bus firmware memory with industrial temperature range. Its 44-SO surface-mount footprint fits standard through-hole-free assembly processes. Design considerations: this is a 5 V-only part; level-shift or choose a 3 V family member when interfacing with 3.3 V processors. During erase/program operations, current consumption rises significantly, so decoupling and supply budgeting must follow the manufacturer datasheet. This page synthesizes distributor pricing comparisons, drop-in alternative analysis, and practical design notes not found in the manufacturer datasheet alone.

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M29F200FB55N3E2

M29F200FB55N3E2 - 2Mbit 5V NOR Flash 55ns TSOP-48 | Micron

The Micron M29F200FB55N3E2 is a 2 Mbit (256K x 8-bit / 128K x 16-bit) parallel NOR flash memory operating from a single 5V supply, with a 55 ns access time, housed in a 48-pin TSOP I package with bottom boot block architecture. It operates across an industrial temperature range of -40C to +125C, making it suitable for harsh-embedded designs. NOR flash is a type of non-volatile memory that allows random access to any address, unlike NAND flash which reads in pages. In the memory hierarchy, NOR flash sits between mask ROM and SRAM/DRAM: it retains data without power yet supports execute-in-place (XIP) code storage, which is why it has long been the default boot memory for microcontrollers, DSPs, and network processors. The parallel address/data bus interface connects directly to a CPU external bus without a controller. Key features of the M29F200FB55N3E2 include the 5V VCC supply for legacy 5V bus systems, a fast 55 ns access time that eliminates wait states in many designs, an embedded program/erase controller that automates byte/word programming and block erase algorithms, and a bottom boot block organization that places the boot code blocks at the bottom of the address map. The device supports both byte-wide (8-bit) and word-wide (16-bit) operation via a BYTE pin. Architecturally, the memory is divided into asymmetric boot blocks, with the embedded program/erase controller handling timing internally so the host only issues command sequences and polls status. Sector erase and chip erase operations are managed on-chip, simplifying firmware drivers. Typical applications include firmware/boot code storage in industrial controls, telecommunications line cards, set-top boxes, and automotive body electronics where 5V I/O is still present. Design consideration: because this is a 5V-only part, level shifting is required when interfacing to 3.3V microcontrollers; verify block-protection settings before production programming. This page synthesizes distributor pricing context, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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M29F200FT55N3E2

M29F200FT55N3E2 - 2Mbit 5V NOR Flash 55ns TSOP-48 | Micron

The Micron M29F200FT55N3E2 is a 2 Mbit (128K x 16 / 256K x 8) 5 V parallel NOR Flash memory IC with 55 ns access time, packaged in a 48-pin TSOP I (12 x 20 mm) surface-mount package. The FT suffix identifies the top boot block architecture, and the E suffix denotes the industrial operating temperature range of -40C to +125C. Parallel NOR Flash is a non-volatile memory technology that provides random, byte- or word-addressable read access directly over a parallel address and data bus. Unlike serial NOR or NAND Flash, parallel NOR connects to a host processor's memory bus without a controller, making it a mainstay for code storage, boot firmware, and parameter storage in embedded systems where fast code-execution-in-place (XIP) is required. Key features include the single 5 V supply voltage, which simplifies power-tree design in legacy industrial platforms, and the 55 ns access time that supports zero-wait-state reads from many microcontrollers and microprocessors. An embedded program/erase controller automatically executes byte or word programming and block erase algorithms, removing software timing burdens from the host CPU. Block-protected boot architecture guards the boot code against accidental overwriting. The M29F200 family uses NOR memory-cell technology with an internal state machine, address and data latches, and status registers for polling program/erase completion. The top boot block organization places the protected boot blocks at the top of the address map, matching common processor boot-map conventions. The device supports both byte (x8) and word (x16) bus-width modes, selected by the BYTE pin. Typical applications include boot firmware storage in industrial controls, telecom line cards, set-top boxes, and legacy 5 V embedded processor boards such as those based on 80186-class, 68k-class, and PowerPC CPUs. When designing this device in, budget 12 us typical per-word program time and block erase times per the datasheet, and drive RY/BY or poll the status register rather than fixed delays. This page synthesizes distributor availability data, drop-in same-package alternatives, and sourcing context not found in the manufacturer datasheet.

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M29F400FB55M3E2

M29F400FB55M3E2 - 4Mbit 55ns NOR Flash, 44-SO | Micron

The Micron M29F400FB55M3E2 is a 4Mbit (4194 kbit) 5V parallel NOR Flash memory organized as 512K x 8 / 256K x 16, with a 55 ns access time and bottom boot block architecture, housed in a 44-pin SO (44-SO) package. Parallel NOR Flash is a nonvolatile memory type in which data is read directly over a parallel address/data bus, giving processors code-execution capability (XIP) without first copying code to RAM. Within the memory hierarchy, it sits as a code-storage semiconductor device under the Flash memory family, alongside serial NOR and NAND technologies. Its 5V supply and parallel bus make it a classic boot-code device in embedded systems that lack 3V rails or high-speed serial interfaces. Key features of the M29F400FB55M3E2 include the 55 ns access time (an Automotive Grade speed option), single 5 V supply operation, and an embedded byte/word program and erase controller that offloads programming algorithms from the host CPU. The FB suffix denotes bottom boot block organization, placing the small boot sectors at the bottom of the memory map for reset-vector code. The E suffix denotes a RoHS-compliant package. The device is specified for an operating temperature range of -40 C to +125 C, which corresponds to Micron Automotive (Auto) Grade qualification, supporting under-hood and high-temperature industrial environments. Read, program, and erase operations are controlled via standard bus commands, and block protection options guard critical boot code against accidental overwrite. Typical applications include automotive ECU boot code storage, industrial control firmware memory, telecom and networking line-card boot ROM, and legacy 5V embedded system retrofits where a drop-in 55 ns parallel NOR is required. A key design consideration is bus configuration: the device supports both 8-bit (byte) and 16-bit (word) modes via the BYTE pin, and address mapping changes between the two, so verify the memory map against your CPU bus width. Decoupling and short address traces also protect timing margins at 55 ns speeds. This page synthesizes distributor availability data, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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M29F400FB55M3F2

M29F400FB55M3F2 - 4Mbit 5V NOR Flash 55ns | Micron

The Micron M29F400FB55M3F2 is a 4 Mbit (4194 kbits) 5 V parallel NOR Flash memory organized as 512K x 8 or 256K x 16 bits, with a 55 ns access time and a 44-pin small-outline (SO) wide-body package supplied on tape and reel. The FB suffix denotes a bottom boot block architecture, and the part is rated for automotive-grade operation from -40C to +125C. Parallel NOR Flash is a nonvolatile memory technology in which the memory array is addressed directly over a parallel address/data bus, allowing a processor to execute code in place (XIP) without first copying it to RAM. Within the memory hierarchy, NOR Flash sits alongside SRAM and DRAM as a directly addressable memory, and within the Flash family it contrasts with serial NOR (SPI) and NAND Flash by offering fast random access at the cost of lower density and higher pin count. Key features of the M29F400FB55M3F2 include the single 5 V supply for both read and program/erase operations, a fast 55 ns access time suitable for zero-wait-state microprocessor buses, and an embedded program/erase controller that automatically handles byte/word programming and block erase algorithms, freeing the host CPU from software timing loops. Architecturally, the device divides the 4 Mbit array into boot and main blocks, with the boot block at the bottom of the address map to hold reset/interrupt vectors. Command-set operation follows standard single-power-supply Flash bus commands, with status polling and block protection for code integrity. Typical applications include automotive ECU boot code storage, industrial control firmware, telecom line cards, and set-top boxes, where 5 V logic compatibility, wide temperature range, and in-place code execution are required. Designers should note that the 5 V supply and 44-pin wide SO package require bus buffers when interfacing to 3.3 V processors, and block-protection programming must be handled at production. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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M29F800FB55M3E2

M29F800FB55M3E2 - 8Mbit 5V NOR Flash 55ns | Micron

The Micron Technology M29F800FB55M3E2 is an 8 Mbit (8389 kbit) 5V parallel NOR Flash memory organized as 512K x 16 bits or 1M x 8 bits, with a 55 ns access time, bottom boot block architecture, and a 44-pin SO (SOP) package. It is automotive AEC-Q100 qualified and operates from -40C to +125C. Parallel NOR Flash is a nonvolatile memory type that supports random, byte- or word-addressable reads over a parallel address/data bus, unlike serial NOR (SPI) or NAND Flash. In the memory hierarchy, NOR Flash sits between masked ROM and SRAM: code is executed in place (XIP) directly from the array, which is why NOR has historically been the boot-memory choice for embedded processors, microcontrollers, and automotive ECUs. The parallel interface delivers deterministic sub-100 ns access times that serial memories cannot match. Key features of the M29F800FB55M3E2 include a single 5 V supply (VCC), 55 ns access time (Auto Grade speed grade), an embedded program/erase controller that automates byte/word programming and block erase algorithms, and top/bottom boot block options. The 'B' suffix in the MPN denotes the bottom boot block variant, placing the protected boot code blocks at the low address range. The 'E' suffix indicates a RoHS-compliant package, and the '3' grade designates Auto Grade 125C capability. Architecturally, the device belongs to the M29F 200/400/800 family of 5 V parallel NOR Flash from Micron (originally the STMicroelectronics M29F line). The memory array is divided into uniformly-sized main blocks plus smaller boot blocks, enabling selective in-system erase and reprogram of firmware images while keeping boot code in protected blocks. Program and erase operations are managed by the internal state machine, with status polled through the data lines, eliminating software timing loops. Typical applications include automotive ECU boot and firmware storage (leveraging AEC-Q100 qualification and the 125C rating), industrial control code banks, 5V legacy embedded systems, and telecommunications equipment still running 5 V logic. The 44-SO package suits through-high-reliability surface-mount assemblies. When designing with this device, remember the 5 V VCC requirement: interfacing to 3.3 V logic requires level shifting or a 3 V family member such as the M29W series. Verify boot block orientation (bottom vs top) against your processor reset vector. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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M29F800FT55N3F2

M29F800FT55N3F2 - 8Mbit 5V NOR Flash 55ns | Micron

The Micron M29F800FT55N3F2 is an 8 Mbit (1 Mbit x8 / 512 Kbit x16) parallel NOR Flash memory operating from a single 5V supply, with a 55 ns access time, housed in a 48-pin TSOP package supplied in tape and reel (T/R). Parallel NOR Flash is a non-volatile memory technology that connects directly to a microprocessor's address and data buses, allowing code to be executed in place (XIP) without first copying to RAM. Within the memory hierarchy, NOR Flash sits alongside SRAM and DRAM in embedded systems as the primary boot and code-storage medium, complemented by NAND Flash and serial SPI Flash for bulk data storage. Its random-access architecture, with access times measured in nanoseconds, is what distinguishes NOR from block-oriented NAND devices. Key features of the M29F800FT55N3F2 include dual organization (1M x8-bit or 512K x16-bit, selectable via the BYTE pin), a fast 55 ns access time suitable for zero-wait-state microprocessor interfacing, single 5.0V supply for both read and write/erase operations, and a top boot block architecture (T suffix) that places the protected boot code block at the top of the memory map. The device is programmed in-system using the standard 5.0V VCC supply; no separate 12V VPP is required for program or erase operations. The memory array is organized into uniformly sized blocks with hardware sector-protection capability, block erase, and fast word/byte programming. The 48-pin TSOP surface-mount package keeps the footprint compact for embedded CPU boards, and the tape-and-reel suffix (T/R in the N3F2 ordering code) supports automated pick-and-place assembly in volume production. Typical applications include boot code storage for industrial controllers, telecom line cards, networking equipment, set-top boxes, and legacy 5V embedded systems where in-place code execution and long-term data retention are required. The 5V-only operation makes it a direct fit for older microprocessor families that run on 5V rails. When designing with this device, verify whether your boot code must reside in the top or bottom of the address map: the FT (top boot) and FB (bottom boot) variants share the same package and pinout but differ in block ordering. Always confirm block organization against your linker map before substituting. This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet, with pricing referenced as of 2026-09-05.

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M29W064FB70N3F

M29W064FB70N3F - 64Mb NOR Flash 70ns AEC-Q100 | Micron Technology

The Micron Technology M29W064FB70N3F is a 64 Mbit (8M x8 / 4M x16) parallel NOR flash memory with 70 ns access time, 2.7V to 3.6V supply range, and AEC-Q100 automotive qualification, housed in a 48-pin TSOP package supplied on tape and reel. Parallel NOR flash is a non-volatile memory technology that connects directly to a processor's address and data buses, allowing random access to any byte or word for in-place code execution (XIP). In the memory hierarchy, NOR flash sits alongside SRAM and SDRAM as a code-storage medium: it does not offer the density of NAND flash, but its fast random read access and high reliability make it the default boot and firmware memory for embedded systems. Key features of the M29W064FB70N3F include the x8/x16 bus-width selectable architecture via the BYTE# pin, a 70 ns access time suitable for zero-wait-state operation at moderate bus frequencies, and block-protected boot-block sector organization (FB = boot block bottom). The device supports single 3V/3.3V supply operation, fast program and erase operations with status polling, and an operating temperature range of -40C to +125C for automotive and industrial environments. Technically, the device uses a page-mode architecture with the array organized as 64 Mbit of floating-gate cells; erase granularity is asymmetric boot blocks plus main blocks, and programming uses the standard command-set interface familiar to users of the M29W family. The RY/BY# output provides hardware status indication without bus polling. Typical applications include automotive ECU boot firmware, telematics and infotainment modules, industrial PLCs, networking equipment code storage, and set-top box firmware. Design consideration: because the part is flagged obsolete in recent distributor parametric data, plan last-time-buy quantities or validate a drop-in M29W064F variant early in the design cycle. This page synthesizes verified distributor pricing, drop-in alternatives, pinout, and practical design notes not found in a single manufacturer datasheet.

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M29W128GH70N3F

M29W128GH70N3F - 128Mb 3V NOR Flash 70ns TSOP-56 | Micron

The Micron M29W128GH70N3F is a 128 Mbit (16 MB) 3V parallel NOR flash memory with a 70 ns access time, -40C to +125C operating temperature range, and a 56-lead TSOP package. A parallel NOR flash memory is a nonvolatile semiconductor storage device that allows random access to any address directly over a parallel address and data bus, distinguishing it from NAND flash and serial (SPI) NOR flash. Within the memory hierarchy, NOR flash sits alongside DRAM, SRAM, and EEPROM as a core memory IC category, and its execute-in-place (XIP) capability makes it the traditional choice for storing boot code and firmware in embedded systems. Key features of the M29W128GH include the 128 Mbit density organized for x8/x16 operation, a fast 70 ns access time that supports zero-wait-state code execution at moderate bus speeds, and an extended industrial temperature range of -40C to +125C suitable for harsh-enough environments in industrial and networking designs. The device operates from a single 3V supply (VCC), simplifying power-tree design compared with dual-rail legacy flash generations. Technically, the M29W family succeeds the STMicroelectronics M29W heritage that became part of Micron via Numonyx. The architecture divides the array into independently erasable blocks, and the command set is compatible with common CFI (Common Flash Interface) JEDEC-style programming flows, enabling reuse of established low-level flash drivers. The H suffix denotes the high-density family member with its specific block organization, while the GL variant offers a mirrored block arrangement. Typical applications include boot firmware storage in industrial controllers, set-top boxes, networking line cards, telecom equipment, and legacy embedded processors with a parallel memory bus that require reliable code storage and field firmware updates. A key design consideration is bus loading: with a parallel interface, the 70 ns access time is only achieved with proper address-line termination and controlled trace lengths, and designers should verify timing against the host controller at the full industrial temperature range. This page synthesizes distributor sourcing data, same-family drop-in options, and practical design notes not consolidated in the manufacturer datasheet, with pricing verified as of 2026-09-05.

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M29W128GL70ZA3E

M29W128GL70ZA3E - 128Mb NOR Flash 70ns 64-TBGA | Micron

The Micron M29W128GL70ZA3E is a 128 Mbit parallel NOR Flash memory organized as 8M x16 or 16M x8, with a 70 ns access time, operating from a 3V/3.3V supply and housed in a 64-ball TBGA (10x13 mm) package. Parallel NOR Flash is a nonvolatile memory technology in which every cell connects to a bit line, enabling true random access with short read latencies. Within the memory hierarchy, NOR Flash sits as code storage between mask ROM and NAND Flash: unlike NAND, it supports execute-in-place (XIP), allowing a processor to boot directly from the array without copying code to RAM first. It remains the standard boot memory for microcontrollers, DSPs, and FPGAs. Key features of the M29W128GL include the dual x8/x16 bus configuration selected by the BYTE pin, a fast 70 ns access time that supports zero-wait-state reads on many embedded processors, and a 3.0V to 3.6V supply range. The device provides block-protected operation, program/erase via standard command sets, and an industrial operating temperature range of -40C to +125C per Micron product data. Architecturally, the M29W128GL family uses a banked array with boot-block segmentation (the GL suffix denotes the bottom-boot variant; GH denotes top boot), enabling firmware storage with parameter blocks at the boot region. Read, program, and erase operations are controlled through standard bus command sequences with status polling. Typical applications include boot firmware storage for industrial PLCs, telecom line cards, set-top boxes, networking equipment, and automotive-adjacent control modules requiring wide temperature operation. Design-wise, verify VCC decoupling at each supply ball and confirm the BYTE pin is strapped correctly for the chosen bus width, since a floating BYTE pin causes bus contention during boot reads. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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M29W128GL70ZS3F

M29W128GL70ZS3F - 128Mb Parallel NOR Flash 70ns | Micron

The Micron M29W128GL70ZS3F is a 128 Mbit parallel NOR Flash memory with a 70 ns access time, organized as 16M x 8 or 8M x 16, powered from a single 3V/3.3V supply and housed in a 64-ball FBGA (11x13 mm) package. Parallel NOR Flash is a nonvolatile memory technology that allows random byte-level access over a wide parallel address/data bus, making it suitable for code storage where the processor executes directly from flash (XIP, execute-in-place). In the memory hierarchy, NOR Flash sits alongside SPI NOR and NAND Flash as a nonvolatile storage class; parallel NOR offers the fastest random read latency and the simplest CPU interface, at the cost of higher pin count compared to serial NOR. Key features of this device include the 128 Mbit density, a fast 70 ns random access time for zero-wait-state code execution on many embedded processors, dual x8/x16 bus organization for bus-width flexibility, and an extended operating temperature range of -40C to +125C. The part is AEC-Q100 qualified and marketed by Micron as automotive grade, supporting design reuse in vehicular applications. The uniform 64/64 block architecture referenced by distributors indicates two symmetric partitions for flexible code and data placement. Technically, the M29W128GL family operates from a single 3V to 3.6V VCC supply, uses block-erase program/erase operations with internal state machine control, and provides status signaling for software polling. The 64-ball FBGA (11x13) surface-mount package minimizes board area while supporting the wide parallel bus required for fast random access. Typical applications include automotive ECU boot code storage, industrial PLC firmware, networking equipment boot loaders, and set-top-box or telecom designs that execute code directly from NOR Flash. A key design consideration is supply-rail integrity: verify that the 3.3V rail tolerance and program voltage requirements in the official datasheet match your system before finalizing the power tree. This page synthesizes distributor pricing, drop-in alternative analysis, application guidance, and FAQ content not found in the manufacturer datasheet alone, based on data verified as of 2026-09-05.

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M29W160EB70N3E

M29W160EB70N3E - 16Mbit NOR Flash 70ns 48-TSOP | Micron

The Micron Technology M29W160EB70N3E is a 16 Mbit (2M x8 / 1M x16) 3V parallel NOR Flash memory with a 70 ns access time, supplied in a 48-lead TSOP (48-TFSOP, 0.724 in / 18.40 mm width) package. It operates from a single VCC supply of 2.7V to 3.6V for program, erase, and read operations. Parallel NOR Flash is a nonvolatile memory organized so the host processor can execute code directly from it (XIP, execute-in-place) over a parallel address/data bus. In the memory hierarchy it sits as a boot/code storage device between mask ROM and serial NOR Flash, offering random access over a wide parallel bus rather than a serial SPI interface. NOR Flash remains the standard choice for MCU and processor boot firmware because of its fast random-access latency and byte-level readability. Key features of the M29W160EB family include a 70 ns access time suitable for zero-wait-state code execution, a block-organized architecture with boot-block arrangement, and a 10 microsecond typical programming time per byte/word. The device supports both byte (x8) and word (x16) organization, letting the designer trade data-bus width against address range without changing the PCB. Technically, the device uses a floating-gate NOR cell array with an on-chip state machine that handles program and erase algorithms, status reporting, and data protection. Command-set operation follows the industry-standard M29W command interface, allowing software drivers to poll status rather than time program/erase cycles. Supply range of 2.7V-3.6V matches common 3.3V logic rails directly. Typical applications include boot-firmware storage in industrial controllers, set-top boxes, networking equipment, telecom line cards, and automotive/white-goods control boards where a legacy parallel NOR footprint must be maintained. Design consideration: on 70 ns access-time parts, ensure address setup and output-enable timing in the host memory controller match the -70 speed grade, and keep VCC within 2.7V-3.6V during erase operations since erase voltage margin is tighter than read margin. This page synthesizes distributor pricing, verified drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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M29W160EB70N3F

M29W160EB70N3F - 16Mbit NOR Flash, 70ns, 48-TSOP | Micron

The Micron M29W160EB70N3F is a 16 Mbit (2M x8 / 1M x16) 3V parallel NOR Flash memory with a 70 ns access time, bottom boot block architecture, and a 48-pin TSOP (0.724 in / 18.40 mm width) package supplied in tape and reel packing. It operates from a single VCC supply of up to 3.6V for program, erase, and read operations, and carries AEC-Q100 automotive qualification for harsh-environment deployments. Parallel NOR Flash is a non-volatile memory technology in which each cell connects to a bit line, enabling true random-access reads at the byte or word level. In the memory hierarchy, NOR Flash sits as code-storage memory -> non-volatile memory -> solid-state storage; unlike NAND Flash, its execute-in-place (XIP) capability lets microcontrollers boot directly from the array without first copying code to RAM, which is why parallel NOR remains the default boot memory in automotive ECUs, industrial controllers, and telecom line cards. Key features of the M29W160EB70N3F include the 70 ns address-to-output access time (a 90 ns speed grade also exists in the family), a 10 microsecond typical programming time per word or byte, block-erase architecture with bottom boot blocks for reset/interrupt vector storage, and byte-wide (x8) or word-wide (x16) bus configuration selectable via the BYTE# pin. The common flash interface (CFI) lets programmers auto-detect device geometry and timing. The device is part of the Micron M29W160E family, second-generation 3V NOR Flash built on a mature floating-gate CMOS process. Program and erase commands follow a standard command-set interface compatible with common flash programmers, and the RESET# input restores the device to read mode for fast boot recovery. Automotive-grade screening supports extended temperature operation. Typical applications include automotive powertrain and body-control ECU boot code storage, industrial PLC firmware memory, networking equipment configuration storage, and set-top-box software retention. The parallel interface and 70 ns speed make it a direct fit for legacy bus designs tied to classic microcontrollers. Design consideration: at x16 operation all 16 data lines must be routed with matched length where the CPU clock exceeds 50 MHz; decouple VCC with 100 nF ceramic capacitors at each supply pin. This page adds value beyond the datasheet by synthesizing distributor pricing, drop-in alternatives with package-match verification, and practical design notes in one place.

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M29W160EB80ZA3SE

M29W160EB80ZA3SE - 16Mb NOR Flash 80ns TFBGA-48 | Micron

The Micron Technology M29W160EB80ZA3SE is a 16 Mbit (2M x8 / 1M x16) 3V parallel NOR Flash memory with an 80 ns access time, supplied in a 48-ball TFBGA (6x8 mm footprint, 0.8 mm ball pitch) package. It operates from a 2.7V to 3.6V supply for program, erase, and read operations. Parallel NOR Flash is a nonvolatile memory technology in which every byte is directly addressable over a parallel address and data bus, allowing a processor to execute code in place (XIP) without first copying it to RAM. In the memory hierarchy it sits alongside NAND Flash and serial NOR: NAND offers higher density at lower cost per bit, while parallel NOR offers faster random access, simpler interfacing, and superior reliability, making it a staple of the embedded memory and code storage family. Key features of the M29W160EB include its byte-wide (x8) and word-wide (x16) selectable parallel interface, 80 ns random-access time for zero-wait-state code execution from many microcontrollers, and block-protected boot-block architecture that safeguards resident code from accidental erase. Program and erase operations are commanded through standard JEDEC-style command sets, with status polling and suspend/resume capability that lets the CPU service interrupts during slow erase cycles. Technically, the device uses a single 3V supply rail (2.7V to 3.6V) for all operations, eliminating dual-rail programming supplies required by older 12V-programmed Flash generations. Automotive-grade variants of the M29W160EB family carry AEC-Q100 qualification and support operation from -40C up to +125C, addressing under-hood and mission-critical environments. The TFBGA-48 ball-grid package provides low profile, small footprint, and good thermal and mechanical performance for space-constrained boards. Typical applications include automotive ECU boot code storage, industrial PLC firmware, telecom and networking equipment configuration memory, and set-top box or consumer appliance BIOS storage, where in-place code execution and long-term data retention matter more than raw write bandwidth. A key design consideration: layout for the 0.8 mm-pitch TFBGA requires careful escape routing and signal integrity practice on the parallel address bus; also budget erase time (typically hundreds of milliseconds per block) in your firmware scheduler and use suspend/resume to keep the CPU responsive. This page adds value beyond the datasheet by synthesizing distributor pricing (LCSC from $1.3460), drop-in same-package alternatives, comparison tables, and practical design notes in one engineer-ready reference.

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M29W160ET70N3E

M29W160ET70N3E - 16Mb 3V Parallel NOR Flash 70ns TSOP48 | Micron

The Micron M29W160ET70N3E is a 16 Mbit (2 Mbit x8 / 1 Mbit x16) 3V parallel NOR flash memory with a 70 ns access time, housed in a 48-pin TSOP package and qualified to AEC-Q100 for automotive applications. Parallel NOR flash is a nonvolatile memory technology in which the memory array is addressed directly over a parallel address and data bus, allowing a processor to execute code in place (XIP) without first copying it to RAM. Within the memory hierarchy, NOR flash sits alongside DRAM and SRAM as a main-memory-class device and serves as the boot and code-storage medium in automotive ECUs, industrial controllers, and set-top boxes. Its byte-granular random access and long data retention distinguish it from NAND flash, which offers higher density but only page-based access. Key features of the M29W160ET70N3E include the 70 ns random-access speed class for zero-wait-state code execution, a dual 8-bit/16-bit bus configuration selected by the BYTE# pin, and a top boot block architecture (the T in the part number) that places the protected boot code at the top of the memory map. The part number suffix E denotes the RoHS-compliant package with standard packing in tray format. Micron's M29W160E family also offers a bottom boot variant (M29W160EB) for designs whose boot code resides at address 0x000000. Architecturally, the device is organized into uniform blocks with boot blocks, and supports block erase and word/byte program operations with hardware sector protection. The supply operates from a nominal 3V/3.3V rail, and the AEC-Q100 qualification targets the extended temperature ranges typical of under-hood and body-electronics environments. Program and erase automation is handled on-chip, offloading the host microcontroller. Typical applications include automotive ECU boot code storage, industrial PLC firmware, telecom line-card configuration memory, and legacy x16 code-storage upgrades where TSOP48 footprints must be maintained. When designing in this device, verify the boot block location (top versus bottom) matches the processor's reset vector, and confirm the 70 ns access time meets the bus timing at the target VCC corner. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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M29W160ET70N3F

M29W160ET70N3F - 16Mb 70ns AEC-Q100 NOR Flash | Micron

The Micron M29W160ET70N3F is a 16 Mbit (2 M x 8 / 1 M x 16) 3V/3.3V parallel NOR Flash memory with 70 ns access time, AEC-Q100 automotive qualification, and a 48-pin TSOP package supplied in tape-and-reel packing. Decoding the Micron part-number scheme, M29 denotes parallel Flash, 16 the 16 Mb array, T the top-boot block architecture, 70 the 70 ns speed grade, N3 the 48-pin TSOP, and F the RoHS-compliant tape-and-reel packing option. Parallel NOR Flash is a non-volatile memory technology in which the memory cells are connected in parallel, allowing random access to any address in a single access cycle. Within the memory hierarchy, NOR Flash sits alongside DRAM and NAND Flash as a semiconductor memory device; unlike NAND, NOR offers byte-level random access and high reliability, which is why it has long been the dominant choice for code storage (XIP, execute-in-place) in embedded systems. Key features of the M29W160ET70N3F include the 70 ns access time for fast code execution, the flexible x8/x16 bus configuration that lets designers choose between an 8-bit or 16-bit data path, and the top-boot block organization that protects boot code in the highest address blocks. Supply voltage is specified in the 3V/3.3V range per the part description. The device is built on CMOS technology and is AEC-Q100 automotive qualified, meaning it has passed the automotive industry stress-test standard for reliability, supporting temperature-grade requirements typical of in-vehicle applications. Block protection and program/erase operations follow the standard M29W160E family command set. Typical applications include automotive ECU boot-code storage, industrial control firmware, telecom and networking line-card code memory, and embedded systems requiring execute-in-place code storage from a parallel bus. Design consideration: verify the top-boot versus bottom-boot variant against your boot-vector address mapping, since selecting the wrong boot orientation inverts the location of the protected boot blocks. This page synthesizes distributor pricing context, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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M29W160FB70N3E

M29W160FB70N3E - 16Mb 3V Parallel NOR Flash 70ns | Micron

The Micron Technology M29W160FB70N3E is a 16 Mbit (2M x8 / 1M x16) 3V parallel NOR Flash memory with a 70 ns access time, housed in a 48-pin TSOP (0.724 in / 18.40 mm width) package. Parallel NOR Flash is a nonvolatile memory technology that allows random access to any byte via a parallel address bus, making it suitable for code storage (XIP - execute-in-place) in embedded systems. Within the memory hierarchy, it belongs to the Flash memory family, alongside NAND Flash and serial NOR (SPI) devices, and is commonly used as the boot memory of a microprocessor-based system because of its fast random read capability and high reliability. Key features of the M29W160FB include a single 3.0 V to 3.6 V supply (VCC) for program, erase, and read operations, 70 ns access time, boot block architecture, and dual x8/x16 bus configurations selected by the BYTE# pin. Block-protected operation and command-set-programming via standard commands simplify firmware drivers. The device uses Micron's advanced NOR Flash cell technology with internal program and erase state machines. Program and erase operations are monitored via data polling and toggle-bit status, allowing simple software integration. Typical block program times and erase times are specified in the manufacturer datasheet. Typical applications include set-top boxes, networking and telecom equipment boot code, industrial control firmware storage, automotive infotainment modules (non-safety), and legacy embedded processor systems requiring parallel NOR. Design consideration: because this is a mature parallel NOR product family, verify lifecycle status and secure a last-time-buy strategy or pin-compatible second source early in new designs. This page synthesizes distributor pricing, drop-in alternatives within the M29W160 family, and practical design notes not found in the manufacturer datasheet.

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M29W320DB80ZA3E

M29W320DB80ZA3E - 32Mb Parallel NOR Flash 80ns | Micron

The Micron Technology M29W320DB80ZA3E is a 32 Mbit parallel NOR Flash memory organized as 4M x 8 or 2M x 16, with an 80 ns access time, housed in a 63-ball TFBGA (7x11 mm) package operating from a 2.7V to 3.6V supply. Parallel NOR Flash is a non-volatile memory technology that allows random access to any address, making it ideal for storing boot code and firmware that a processor executes directly in place (XIP). Unlike NAND Flash, NOR offers fast random read access and byte-level addressing, sitting within the memory hierarchy as a code-storage device alongside SRAM and DRAM in embedded systems. Key features of the M29W320DB include non-uniform block architecture with boot block organization (the DB suffix denotes bottom boot block), 64 KByte main blocks plus parameter blocks, and a VCC supply of 2.7V to 3.6V for program, erase, and read operations. An optional VPP pin supports a 12V supply for fast program operations. The 80 ns access time supports zero-wait-state execution from slower buses. The device uses Micron (formerly STMicroelectronics/Numonyx) NOR Flash core technology with command-set compatibility to the industry-standard M29W family, including single-word/byte programming, block erase, and status polling via data or toggle bits. Erase suspend/resume allows the host to interrupt block erasure to service read requests, keeping real-time code execution alive during maintenance operations. Typical applications include set-top boxes, automotive instrument clusters and body controllers, industrial PLCs, networking equipment boot firmware, and medical devices where code shadowing or execute-in-place from a reliable parallel NOR device is required. When designing, respect the 80 ns access-time derating across the full automotive temperature range and provide proper VCC decoupling during program and erase, which draw higher transient currents. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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M29W320DT70N3E

M29W320DT70N3E - 32Mbit NOR Flash 70ns 48-TSOP | Micron

The Micron M29W320DT70N3E is a 32 Mbit parallel NOR Flash memory organized as 4M x8 or 2M x16 bits, with a 70 ns access time, operating from a single 2.7 V to 3.6 V supply in a 48-pin TSOP I package. A parallel NOR Flash memory is a non-volatile semiconductor memory in which cells are individually addressable over a parallel address/data bus, allowing random access and direct code execution (XIP) by a microprocessor. Within the memory hierarchy, it sits alongside and complements DRAM (volatile working memory) and NAND Flash (bulk storage): NOR provides fast read latency and byte-level random access, which is why boot code, firmware, and parameter storage have historically been placed in NOR devices. Key features of the M29W320DT include its asymmetrically arranged memory blocks, where a boot region of 64 Kbytes is subdivided into a 16 Kbyte boot block, two 8 Kbyte parameter blocks, and one 32 Kbyte small main block, with remaining capacity in large main blocks. The 70 ns access time supports zero-wait-state code execution from many microprocessors. The device supports read, erase, and program operations from the single low-voltage supply, and programming is performed via standard command-set interfaces familiar to legacy M29W-series designers. Technically, the part is a member of the Micron (ex-STMicroelectronics) M29W320D family; the DT suffix denotes top boot-block architecture, versus DB for bottom boot. The N3E ordering code indicates the 70 ns speed grade, 3 V operating range, TSOP I 48-lead package, and lead-free/ECO packaging revision. Peak reflow time is rated at 30 seconds with Moisture Sensitivity Level 3 (168 hours floor life per AIChipLink product data). Typical applications include microprocessor boot firmware storage in industrial controls, set-top boxes, networking equipment line cards, and telecom modules where code shadowing or XIP is required. The parameter blocks suit configuration and calibration data storage alongside the main firmware region. Design consideration: verify supply decoupling and bus turnaround timing, because at 70 ns the read cycle margin is tight with slow external latches; also confirm block orientation (top boot) matches the CPU reset vector mapping. This page synthesizes distributor pricing, drop-in alternatives, cross-reference findings, and practical design notes not found in the manufacturer datasheet.

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M29W640GB70N3F

M29W640GB70N3F - 64Mb 70ns Parallel NOR Flash | Micron

The Micron Technology M29W640GB70N3F is a 64Mb (8 MB) 3V parallel NOR flash memory with x8/x16 data-bus width, 70 ns access time, and an operating voltage range of 2.7V to 3.6V, housed in a 48-lead TSOP I package and qualified to AEC-Q100 for automotive environments with a -40C to +125C operating temperature range. Parallel NOR flash is a nonvolatile memory technology in which every address is directly accessible over a parallel address/data bus, giving deterministic read latency. In the memory hierarchy it sits alongside NAND flash and serial (SPI) flash as a code-storage device; NOR's execute-in-place (XIP) capability and superior random-read speed make it the traditional choice for boot code, firmware, and parameter storage in microcontroller-based systems, whereas NAND targets high-density data storage. Key features of the M29W640GB include the 70 ns access time for fast code fetch, a flexible x8/x16 organization that lets one footprint serve 8-bit or 16-bit buses, 2.7V-3.6V single-supply operation for 3V embedded systems, and automotive AEC-Q100 qualification over the full -40C to +125C temperature span. Block-erase and word/byte program operations are managed via standard command-set interfaces with status polling, easing firmware reuse across the M29W family. Technically, the device uses Micron's floating-gate NOR cell array organized into erase blocks, supporting uniform block architecture (GB variant) suited to in-field firmware update schemes. The parallel interface supports asynchronous reads with CE#, OE#, and WE# control, and the 48-TSOP I surface-mount package keeps the footprint compact for embedded boards. Typical applications include automotive ECU boot flash, industrial programmable logic controller (PLC) firmware storage, telecom and networking equipment code banks, and set-top-box or consumer-appliance firmware memory. When designing with this device, note that the part status is listed as obsolete, so new designs should plan lifetime buy or second-source strategies; verify block-protection and command-set compatibility when substituting family members. This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet, with pricing verified as of 2026-09-05.

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M29W800FT70N3F

M29W800FT70N3F - 8Mb 70ns Parallel NOR Flash | Micron

The Micron M29W800FT70N3F is an 8 Mbit (1 Mbit x8 / 512 Kbit x16) 3V parallel NOR Flash memory with a 70 ns access time, supplied in a 48-pin TSOP I package with Tape & Reel delivery. It operates from a 2.7 V to 3.6 V supply across an automotive-grade -40C to +125C temperature range, making it one of the last-generation high-reliability code-storage devices still widely designed into legacy platforms. Parallel NOR Flash is a nonvolatile memory category that stores code and data in NOR cells addressable byte-by-byte or word-by-word over a parallel address/data bus. In the memory hierarchy it sits alongside masked ROM and serial Flash as primary boot memory: CPUs and microcontrollers execute-in-place (XIP) directly from its array, which is why NOR remains preferred for firmware storage even as NAND dominates bulk data storage. Key features of the M29W800FT family include the 70 ns random-access time that supports zero-wait-state execution from slow bus clocking, the flexible x8/x16 bus-width organization selected via the BYTE# pin, and block-protected architecture with temporary unprotect for field firmware updates. The asymmetric T (top boot) block map places the boot blocks with CFI (Common Flash Interface) support for software query of erase/program commands and status. Technically, the device uses a 3 V single-supply EEPROM-array NOR core with automatic program and erase algorithms managed on-chip, eliminating external erase-verify loops. Erase suspend/resume allows reading from one block while erasing another, and the reset/power-down pin (RP#) reduces standby current and provides hardware reset during brown-out events. Typical applications include automotive ECU boot code storage, industrial drives and motor-control firmware, networking equipment configuration storage, and set-top-box or telecom line-card firmware where a parallel bus XIP memory is mandated by the legacy design. A key design consideration is lifecycle: this part is marked obsolete, so new designs should plan a drop-in alternative or last-time-buy stock, and legacy designs must qualify substitutes before re-spins. This page synthesizes verified distributor data, cross-reference results, and drop-in alternative analysis not found on any single distributor page, with pricing as of 2026-09-05.

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M29W800FT70ZA3SF

M29W800FT70ZA3SF - 8Mbit NOR Flash 70ns TFBGA48 | Micron

The Micron M29W800FT70ZA3SF is an 8 Mbit (8 megabit) parallel NOR Flash memory IC with a 70 ns access time, operating from a 2.7 V to 3.6 V supply in a 48-ball TFBGA (6 x 8 mm) package. It is the top-boot-block member of the Micron (formerly STMicroelectronics) M29W800FT family of 3 V parallel NOR Flash devices, rated for operation from -40 C to +125 C. Parallel NOR Flash is a non-volatile memory technology that connects directly to a microprocessor's address and data buses, allowing code to be executed in place (XIP, execute-in-place). Within the memory hierarchy, NOR Flash sits alongside SRAM and DRAM as directly addressable memory, distinguished from NAND Flash and serial SPI Flash by its random-access capability and high read reliability. It remains the standard choice for boot code storage in embedded systems. Key features of this device include the 70 ns access time suitable for zero-wait-state execution on many embedded processors, a 2.7 V to 3.6 V single supply compatible with 3.3 V logic, and 8 Mbit of density organized for byte or word access. The uniform block architecture with boot-block arrangement supports flexible code and data partitioning. Architecturally, the M29W800FT family uses floating-gate NOR cell technology with block-based erase and program operations managed through a command interface. Status polling and toggle-bit schemes allow the host processor to monitor program and erase completion without interrupts. The extended -40 C to +125 C temperature rating targets harsh industrial and automotive-adjacent environments. Typical applications include boot-code storage for embedded microcontrollers and microprocessors, industrial automation controllers, networking equipment firmware, set-top boxes, and telecom line cards where in-place code execution is required. Designers should ensure the 3.3 V supply rail is decoupled locally and observe the block-erase and program timing requirements of the command interface when writing drivers. This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet, as of 2026-09-02.

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M29F200FB55M3E2 - 2Mbit 55ns NOR Flash 5V 44-SO | Micron

M29F200FB55N3E2 - 2Mbit 5V NOR Flash 55ns TSOP-48 | Micron

M29F200FT55N3E2 - 2Mbit 5V NOR Flash 55ns TSOP-48 | Micron

M29F400FB55M3E2 - 4Mbit 55ns NOR Flash, 44-SO | Micron

M29F400FB55M3F2 - 4Mbit 5V NOR Flash 55ns | Micron

M29F800FB55M3E2 - 8Mbit 5V NOR Flash 55ns | Micron

M29F800FT55N3F2 - 8Mbit 5V NOR Flash 55ns | Micron

M29W064FB70N3F - 64Mb NOR Flash 70ns AEC-Q100 | Micron Technology

M29W128GH70N3F - 128Mb 3V NOR Flash 70ns TSOP-56 | Micron

M29W128GL70ZA3E - 128Mb NOR Flash 70ns 64-TBGA | Micron

M29W128GL70ZS3F - 128Mb Parallel NOR Flash 70ns | Micron

M29W160EB70N3E - 16Mbit NOR Flash 70ns 48-TSOP | Micron

M29W160EB70N3F - 16Mbit NOR Flash, 70ns, 48-TSOP | Micron

M29W160EB80ZA3SE - 16Mb NOR Flash 80ns TFBGA-48 | Micron

M29W160ET70N3E - 16Mb 3V Parallel NOR Flash 70ns TSOP48 | Micron

M29W160ET70N3F - 16Mb 70ns AEC-Q100 NOR Flash | Micron

M29W160FB70N3E - 16Mb 3V Parallel NOR Flash 70ns | Micron

M29W320DB80ZA3E - 32Mb Parallel NOR Flash 80ns | Micron

M29W320DT70N3E - 32Mbit NOR Flash 70ns 48-TSOP | Micron

M29W640GB70N3F - 64Mb 70ns Parallel NOR Flash | Micron

M29W800FT70N3F - 8Mb 70ns Parallel NOR Flash | Micron

M29W800FT70ZA3SF - 8Mbit NOR Flash 70ns TFBGA48 | Micron