Flash
Products (3)
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.
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.