Memory ICs
Products (3)
M29W064FT70N3F - 64Mb 3V NOR Flash 70ns | Micron
The Micron Technology M29W064FT70N3F is a 64-Mbit (64 Mb) 3 V supply parallel NOR Flash memory organized as 8 Mbit x8 or 4 Mbit x16, with a 70 ns access time, housed in a 48-pin TSOP I (12 x 20 mm) package rated from -40C to +125C. Parallel NOR Flash is a nonvolatile memory category that allows random byte-wise access over a parallel address/data bus, making it a subset of Flash memory within the broader memory IC hierarchy (memory IC -> Flash -> NOR Flash -> parallel boot-block NOR). Unlike NAND Flash, NOR devices support execute-in-place (XIP) code storage because every byte is directly addressable, which is why parallel NOR historically serves as boot code memory in embedded systems. Key features of the M29W064FT family include a wide VCC supply range up to 3.6 V for program, erase, and read operations; an optional VPP pin accepting 12 V for accelerated program/erase cycles; page-mode read architecture; and a top boot block organization (the FT suffix) that places the protected boot code blocks at the top of the memory map. The device supports block protection and temporary unprotection for field updates. Technically, the device uses a page read architecture that delivers an initial access time of 70 ns, compatible with zero-wait-state microprocessors. Program and erase operations are managed through a command-set interface compatible with standard JEDEC-style NOR command sets used across the M29W family, and status is monitored via data polling and toggle bits. The industrial temperature rating (-40C to +125C) of the N3F grade suits harsh environments. Typical applications include boot code storage for embedded processors in industrial control, telecommunications and networking line cards, medical instrumentation, and test equipment, where the 70 ns access time supports direct XIP execution without shadow RAM. Designers should note that the 3 V parallel NOR family is largely in lifecycle management; new designs should evaluate Micron SPI NOR (MT25QL/MT25QU) successors, and the top boot block (FT) versus bottom boot block (FB) suffix must match the CPU reset vector mapping. This page synthesizes distributor availability data, same-family drop-in variants, and boot-block selection guidance not found together on the manufacturer datasheet.
MT40A512M16LY-062E - 8Gb DDR4 SDRAM 3200MT/s | Micron
The Micron Technology MT40A512M16LY-062E is an 8Gb DDR4 SDRAM organized as 512M x 16, operating at the DDR4-3200 speed grade (1.6 GHz clock, 3200 MT/s data rate) in a 96-ball FBGA package measuring 7.5 x 13.5 mm. DDR4 SDRAM (fourth-generation Double Data Rate Synchronous Dynamic Random-Access Memory) is a volatile memory that transfers data on both edges of the clock, doubling effective data rate versus SDR DRAM. Within the memory hierarchy it sits as the main-system-memory class of DRAM, below caches and above storage, and succeeds DDR3 with lower operating voltage and higher densities. DDR4 runs its core and I/O at VDD = VDDQ = 1.2V +/- 60mV, down from DDR3's 1.5V, cutting dynamic power while enabling higher speeds and per-device capacity up to 16Gb. Key features of this device include 16 internal banks grouped in 2 bank groups of 4 (x16 configuration), on-die internal adjustable VREFDQ generation that simplifies memory-controller design, and 1.2V pseudo open-drain I/O. The IT industrial temperature grade supports a refresh window of 8192 cycles at 64ms for -40C to +85C, 32ms for >85C to +95C, and 16ms beyond 95C. VPP is supplied at 2.5V (-125mV/+250mV) exclusively for cell bootstrap pumping. Advanced capability set includes auto self-refresh, write leveling, dynamic on-chip termination (ODT), CRC and CA parity support, data mask, auto precharge, asynchronous reset, and ZQ calibration via an external 240-ohm reference resistor. Typical applications are industrial embedded controllers, networking equipment line cards, and high-performance computing or data-center memory subsystems where 3200 MT/s bandwidth per device and industrial temperature range are required. Design-wise, plan controlled-impedance fly-by routing, 1.2V and 2.5V rails with adequate decoupling, and connect the ZQ ball to ground through exactly 240 ohms; the controller must support 2tCK ODT updates at this speed grade. This page adds distributor pricing tiers, drop-in alternatives across Micron, Nanya, Samsung, and SK hynix, plus practical DDR4 design notes not found in the manufacturer datasheet alone.
MT53B128M32D1DS-062 - 4Gbit LPDDR4 SDRAM 1.6GHz | Micron
The Micron Technology MT53B128M32D1DS-062 is a 4Gbit mobile LPDDR4 SDRAM memory IC organized as 128M x 32, operating at 1600 MHz (DDR-3200 data rate) from a 1.1V core supply, housed in a 200-ball WFBGA (10 x 14.5 mm) package. LPDDR4 (Low Power Double Data Rate 4) is a JEDEC-defined synchronous DRAM interface standard optimized for mobile and battery-powered systems. Compared with standard DDR4 SDRAM, LPDDR4 lowers the core voltage to 1.1V, uses a point-to-point channel architecture, and introduces features such as deep power-down, per-bank refresh, and low-power idle states that reduce standby current. In the memory hierarchy, it sits within the SDRAM family of volatile semiconductor memories, falling under the broader categories of DRAM and memory ICs. Key features of this device include the 4Gbit density in a x32-wide organization that simplifies 32-bit bus designs, the -062 speed grade supporting a 1600 MHz clock for high memory bandwidth, and a compact 200-ball fine-pitch BGA footprint suited to space-constrained boards. Micron speed-grade and temperature suffixes define operating ranges across commercial and industrial conditions. Architecturally, the die implements LPDDR4 bank groups, burst lengths of 8 and 16, and programmable refresh schemes that balance bandwidth against power. The 1.1V VDD core, combined with VDDQ I/O termination optimization, minimizes dynamic power during burst transfers, while DPD (deep power down) allows microamp-level standby in always-on mobile designs. Typical applications include smartphone and tablet application-processor memory, embedded Linux gateways and routers, automotive infotainment and ADAS compute modules (using the AUT variant), and industrial edge-AI vision modules where 4Gbit capacity and LPDDR4 bandwidth are required. Design consideration: LPDDR4 requires careful length-matched routing and controller training for read/write leveling; verify the controller supports x32 LPDDR4 and confirm the speed-grade suffix matches your thermal environment before finalizing the BOM. This page synthesizes distributor pricing, same-family drop-in variants, and practical design notes not found in the manufacturer datasheet. Pricing references are as of 2026-09-02.