Flash
Products (7)
M29W128GL70N3E - 128Mb 3V NOR Flash 70ns TSOP-56 | Micron
The Micron M29W128GL70N3E is a 128Mbit (16M x8 / 8M x16) 3V parallel NOR flash memory with a 70 ns access time, supplied in a 56-pin TSOP package in tray packaging. Parallel NOR flash is a nonvolatile memory technology that allows direct, byte-addressable random access, making it the traditional choice for boot code and firmware storage in embedded systems. In the memory hierarchy, NOR flash sits alongside SPI NOR and NAND flash: NOR offers slow write throughput but the fastest random-read access and execute-in-place (XIP) capability, which microcontrollers and processors require to boot directly from the memory array without copying code to RAM. Key features of the M29W128GL family include a wide 2.7V to 3.6V single supply range (3V/3.3V class), 70 ns initial access time suitable for zero-wait-state operation on many embedded buses, and a software-selectable x8 or x16 bus width that lets one footprint serve both 8-bit and 16-bit host controllers. Block-protected sectors and temporary unprotection allow safe field firmware updates. Architecturally, the device is organized as asymmetric boot blocks, with the GL suffix denoting bottom boot block organization. Commands, statuses, and data share the same address/data bus in a command-user-interface-driven protocol standard across the M29W family, which simplifies migration between densities within the same package. Typical applications include boot firmware storage for automotive ECUs, industrial PLCs, networking line cards, and set-top boxes, where the -40C to +125C operating range and automotive qualification of this ordering code are essential. Design consideration: with a 70 ns access time, verify that the host bus timing budget accommodates output enable and chip enable access times; at full x16 operation, add 0.1 uF plus bulk decoupling close to the VCC pins to suppress switching noise on the shared bus. This page synthesizes distributor pricing, drop-in family alternatives, and practical design guidance not consolidated in the manufacturer datasheet. Prices shown are estimates as of 2026-09-02.
M29W320DB70N3E - 32Mbit 70ns NOR Flash 48-TSOP | Micron
The Micron Technology M29W320DB70N3E is a 32 Mbit (2M x16) parallel NOR Flash memory with 70 ns access time, single 3.0V to 3.6V supply operation, and a 48-pin TSOP I package. Parallel NOR Flash is a non-volatile memory technology in which data is read via a parallel address/data bus directly mapped into the host processor's address space. Within the memory hierarchy, NOR Flash sits alongside SRAM and DRAM as code-storage memory: unlike NAND Flash, NOR supports random access to every byte, making it the standard choice for boot code, firmware, and parameter storage in embedded systems. Key features include a 70 ns access time suitable for zero-wait-state execution from slower buses, an asymmetric block architecture with a boot block for code storage, single-VCC programming and erasure, and an optional VPP = 12V supply for accelerated fast programming. The device supports Common Flash Interface (CFI) for software discovery of flash parameters and offers block protection schemes to safeguard critical code sectors. Architecturally, the M29W320DB family organizes 32 Mbit into non-uniform parameter blocks and main blocks in a bottom-boot-block arrangement (the DB suffix). Operating from a 2.7V to 3.6V supply for program, erase, and read operations, the memory defaults to read mode at power-up, simplifying boot ROM designs. Automatic program and erase algorithms with status polling reduce host CPU overhead. Typical applications include boot firmware storage in set-top boxes, industrial PLCs and motor drives, networking equipment line cards, automotive infotainment modules, and embedded controllers requiring in-system firmware update capability. The 70 ns access time allows direct code execution without lengthy wait states on many 16-bit buses. When designing with this device, ensure VCC ramp-rate and power-supply decoupling comply with datasheet requirements to avoid spurious writes during power-up, and verify block protection settings before field deployment. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet. Prices referenced as of 2026-09-02.
M29W320DB70N3F - 32Mbit NOR Flash 70ns TSOP-48 | Micron
The Micron Technology M29W320DB70N3F is a 32 Mbit (2 M x 16-bit) parallel NOR Flash memory with 70 ns access time, a 3.0 V to 3.6 V supply for program, erase, and read operations, and a 48-pin TSOP I (12 x 20 mm) package rated from -40C to +125C. Parallel NOR Flash is a nonvolatile memory technology in which every memory location is directly addressable 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 between DRAM/SRAM (volatile, fast) and NAND Flash / EEPROM (high density or byte-erasable), and it remains the standard boot-memory choice in embedded systems that power a CPU directly from reset. Key features of the M29W320DB include a non-uniform parameter block organization with a boot block architecture (the DB suffix denotes bottom boot block), x8/x16 bus width selection, and support for optional VPP = 12 V fast program operation for reduced programming time. The 70 ns access time supports zero-wait-state code execution from common 3.3 V embedded processors. Operating range of -40C to +125C qualifies the device for harsh industrial and automotive-adjacent environments. Technically, the device uses a single 3.3 V supply with all program, erase, and read operations performed in-system; the separate VPP pin can be tied to VCC for standard operation or driven to 12 V for accelerated programming. Command-set based control (autoselect, block erase, word/byte program) via standard JEDEC-style Flash commands simplifies driver development and eases migration within the family. Typical applications include BIOS/boot code storage in networking equipment, set-top boxes, industrial PLCs, telecom line cards, and test instrumentation, where reliable in-place code execution and long data retention matter more than raw density. When designing with this device, ensure the read access-time budget of 70 ns is respected across the full temperature range and account for block-erase times (typically hundreds of milliseconds) in firmware scheduling. This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet. Prices referenced as of 2026-09-02.
M29W640GB70ZA3E - 64Mb NOR Flash 70ns TFBGA-48 | Micron
The Micron Technology M29W640GB70ZA3E is a 64 Mbit (4 Mbit x16) 3V parallel NOR flash memory with 70 ns access time, housed in a 48-ball TFBGA (ZA) package measuring 6 x 8 mm with 0.80 mm ball pitch. It operates from a single VCC supply of 2.7 V to 3.6 V for program, erase, and read operations, and supports a VPP of 12 V for fast program and erase, over an extended operating temperature range of -40C to +125C. Parallel NOR flash is a nonvolatile memory technology that connects directly to a microprocessor address and data bus, allowing code to be executed in place (XIP) without first copying it to RAM. Within the memory hierarchy, it sits in the nonvolatile storage family alongside serial NOR (SPI) and NAND flash; its distinguishing traits are random access, byte-level read granularity, and long data retention, making it the classic boot-memory choice. Key features include a 70 ns address-to-data access time suited to zero-wait-state bus masters, block-protected architecture with the GB bottom boot block organization, and a VPP/WP# pin that accelerates program/erase or provides hardware write protection. RoHS-compliant packaging and 100,000 program/erase cycle endurance support long-life industrial designs. Architecturally, the M29W640GB family uses Micron's 3 V NOR core with uniform or boot-block sector maps, a command-set interface compatible with standard flash programming algorithms, and status polling via data toggling. The x16 bus interface simplifies connection to 16-bit MCU and processor external memory controllers. Typical applications include boot-code storage in industrial control, automotive body modules (using automotive-certified family members), set-top boxes, and networking equipment where in-place code execution is required. Design consideration: reserve the 12 V VPP capability only on boards that can safely source it; otherwise tie VPP/WP# per datasheet recommendations to enable write protection. This page synthesizes distributor pricing, same-footprint alternatives, and practical design notes not found in the manufacturer datasheet.
M29W800FT70N3E - 8Mbit 70ns Parallel NOR Flash | Micron
The Micron Technology M29W800FT70N3E is an 8Mbit parallel NOR Flash memory IC with a 70 ns access time, a VCC supply range of 2.7 V to 3.6 V, and a 48-lead TSOP I (48-TSOP I) surface-mount package. It supports both x8 (1M x 8) and x16 (512K x 16) bus organizations, making it a flexible code-storage solution for embedded processors. Parallel NOR Flash is a nonvolatile memory technology in which every cell connects directly to a bit line, enabling random access with short, deterministic read latency. Within the memory hierarchy, it sits in the code-storage class alongside serial NOR (SPI) and NAND Flash, but unlike NAND it is byte-addressable and execute-in-place (XIP) capable, which is why boot ROMs in microcontroller and DSP systems have historically used parallel NOR devices like the M29W800 family. Key differentiating features of this device include the 70 ns access time over the full 2.7 V to 3.6 V operating range, the top-boot-block architecture (the FT suffix denotes top boot block, so the boot code resides at the highest addresses), and dual x8/x16 bus operation selected by the BYTE pin. The M29W800 family descends from the STMicroelectronics/Numonyx M29W product line acquired by Micron, preserving broad legacy design-in bases. Technical depth: the device uses a single-supply architecture in which program and erase operations are performed at VCC (2.7 V to 3.6 V) without a separate high-voltage pump rail on the board. Command-set programming follows the industry-standard M29 command interface, and a status/polling scheme lets the host CPU monitor program and erase cycles. Block protection allows hardware locking of critical boot blocks to prevent accidental corruption. Typical applications include boot-code storage in industrial PLCs, set-top boxes and network routers, parameter storage in automotive body electronics and instrumentation clusters, and firmware storage in legacy telecom line cards where a 48-TSOP I parallel footprint is already committed on the PCB. Design consideration: because the part is supplied in the 48-TSOP I (0.5 mm pitch) package, ensure a proper reflow profile per the manufacturer packing/handling documentation and keep address/data bus trace lengths matched to avoid sampling errors at fast access times. This page synthesizes distributor stock data, family cross-references, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, as of 2026-09-02.
MT25QL02GCBB8E12-0AUT - 2Gbit SPI NOR Flash 133MHz | Micron
The Micron Technology MT25QL02GCBB8E12-0AUT is a 2 Gbit (256 MB) serial NOR Flash memory with SPI, Dual SPI and Quad I/O interfaces operating at up to 133 MHz, supplied in a 24-ball T-PBGA (6x8 mm) package and rated for -40C to +125C automotive environments. The MT25Q family member runs from a 2.7 V to 3.6 V supply and is organized as 256M x 8. Serial NOR Flash is a nonvolatile memory that stores code and data and is read through a serial peripheral interface rather than a parallel bus. In the system memory hierarchy it sits as code-storage memory for embedded processors, sitting alongside DRAM (working memory) and NAND Flash (mass storage), and is a cornerstone of power management and boot subsystems in automotive and industrial electronics. Key features include 133 MHz Quad I/O read performance for fast execute-in-place (XIP) boot code execution, a 2 Gbit density that eliminates the need for parallel NOR in many designs, hardware and software write protection plus power-on reset write-enable latching, and an AEC-Q100-qualified -40C to +125C temperature range suited to under-hood and other harsh automotive placements. Extended address access supports the full 256 MB array. The MT25Q architecture uses Micron 3 V NOR technology with 100,000 program/erase cycles per the listing data and a 3 V programming voltage scheme. The SPI-compatible bus supports standard, dual-output, dual-I/O, quad-output and quad-I/O protocols, letting designers trade pin count for bandwidth; Quad I/O at 133 MHz yields effective read throughput far beyond legacy 50 MHz single-SPI parts. Typical applications include automotive ECU boot code and calibration data storage, FPGA configuration for Microsemi/Actel and Xilinx fabrics, industrial PLC firmware, and networking equipment code shadowing. The 2 Gbit array holds large RTOS images, application code and logs in a single 6x8 mm footprint. Design consideration: Quad I/O performance depends on clean power delivery to both VCC and VCCQ; use dedicated 0.1 uF decoupling on each ball group and keep clock traces short and impedance-controlled to maintain signal integrity at 133 MHz. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a single citable reference for the MT25QL02GCBB8E12-0AUT.
N25Q064A11E12A0F - 64Mb SPI NOR Flash 1.8V 108MHz | Micron
The Micron Technology N25Q064A11E12A0F is a 64Mb (8 MB) 1.8V multiple I/O serial NOR flash memory with a 108 MHz SPI clock rate, packaged in a 24-ball T-PBGA (6x8 mm) surface-mount package and rated for -40C to +125C operation. Serial NOR flash is a nonvolatile memory category that stores code and data while allowing byte-level random access over a serial peripheral interface (SPI). Within the memory hierarchy, NOR flash sits alongside NAND flash and DRAM as a core memory IC, and its execute-in-place (XIP) capability makes it the default boot-code storage for embedded processors, microcontrollers, and FPGAs. Multiple I/O (dual and quad SPI) variants increase effective bandwidth without widening the physical footprint. Key features include 64Mb SLC NOR density organized as 16M x 4, a 108 MHz maximum SPI clock that supports double data rate operation for higher throughput, a wide 1.7V to 2.0V supply range, and an industrial-to-automotive operating temperature range of -40C to +125C. The device supports single, dual, and quad I/O commands plus memory-mapped XIP execution, allowing hosts to boot code directly from flash. Technically, the N25Q family uses single-level-cell NOR technology with sector and subsector erase granularity, block protection, and standard JEDEC SFDP serial flash discoverable parameters for host enumeration. The 24-ball T-PBGA footprint is compact for board layouts where routing a wide parallel bus would be impractical. Typical applications include boot firmware storage for FPGAs and SoCs in automotive and industrial systems, BIOS/UEFI code storage in networking equipment, configuration data for embedded displays, and firmware repositories in telematics and telematics-adjacent modules. A key design consideration is SPI signal integrity: at 108 MHz, keep clock and data traces short and matched, and verify that the host controller supports the N25Q command set or an SFDP-driven driver. Budget erase times when planning field firmware updates. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.