Micron Technology

MT53E256M32D2FW-046 - 8Gbit LPDDR4X 2133MHz TFBGA | Micron

MPN: MT53E256M32D2FW-046 βœ“ Active
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[DATA_NEEDED: VDD1/VDD2 voltage] Vdss 200-TFBGA (10 x 14.5 mm) Package 2.133 GHz Speed SDRAM - Mobile LPDDR4X Memory
From $9.75 USD / Unit
MOQ: 1 |
Price updated: 2026-09-01
Volume Pricing
Qty Unit Price Extended
1 $14.5 $14.50
10 $13.2 $132.00
100 $11.85 $1,185.00
500 $10.6 $5,300.00
1,000 $9.75 $9,750.00
ℹ️ All prices are in USD

Drop-in alternatives for MT53E256M32D2FW-046 β€” same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

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MT53E256M32D2FW-046 IT:B

βœ… Drop-In
πŸ“¦ 200-TFBGA (10 x 14.5 mm)
industrial temperature grade (extended range) vs standard WT grade; identical 8Gbit/256M x 32, 2133 MHz, 3.5 ns

πŸ“‹ Reference alternative (not in catalog)

MT53E256M32D2FW-046 AUT:B

βœ… Drop-In
πŸ“¦ 200-TFBGA (10 x 14.5 mm)
automotive grade per Mouser/Avnet; identical electrical configuration, same die

πŸ“‹ Reference alternative (not in catalog)

MT53E256M32D2FW-046 AAT:B

βœ… Drop-In
πŸ“¦ 200-TFBGA (10 x 14.5 mm)
automotive grade variant (AAT) per Octopart/Micron catalog; same die and package

πŸ“‹ Reference alternative (not in catalog)

MT53E256M32D2FW-046 AIT:B

βœ… Drop-In
πŸ“¦ 200-TFBGA (10 x 14.5 mm)
industrial extended range -40C to +95C with auto self-refresh (per LCSC); identical electricals

πŸ“‹ Reference alternative (not in catalog)

MT53E512M32D2FW-046 AAT:D

βœ… Drop-In
Micron Technology
πŸ“¦ 200-TFBGA (10 x 14.5 mm)
SDRAM - Mobile LPDDR4/LPDDR4X Β· 16 Gbit Β· 512M x 32 Β· Parallel Β· 2133 MHz (2.133 GHz) Β· 3.5 ns Β· 1.1 V Β· 1.1 V

βœ“ In Stock

$13.75 / Unit

View Datasheet β†’

MT53E256M32D2FW-046 Maximum Ratings & Electrical Characteristics

Memory Type SDRAM - Mobile LPDDR4X
Memory Size 8 Gbit
Organization 256M x 32
Interface Parallel
Clock Frequency 2.133 GHz
Access Time 3.5 ns
Speed Grade -046
Package 200-TFBGA (10 x 14.5 mm)
Die Configuration Dual Die Package (DDP)
Mounting Type Surface Mount
Auto Self-Refresh Yes (with built-in temperature sensor)
Write Leveling Yes
ZQ Calibration Yes
Auto Precharge Yes

MT53E256M32D2FW-046 200-tfbga (10 x 14.5 mm) Pin Configuration Guide

Complete pinout information for MT53E256M32D2FW-046 (200-tfbga (10 x 14.5 mm) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.

200-tfbga (10 x 14.5 mm) package pinout diagram for MT53E256M32D2FW-046

No detailed pinout data available for MT53E256M32D2FW-046.

Refer to the datasheet for full pin configuration.

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for MT53E256M32D2FW-046 Drain-to-Source Voltage (Vds) Drain Current (Id)

No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.

Typical Applications

MT53E256M32D2FW-046 is suitable for 6 applications: Smartphone and Tablet Main Memory, Automotive Infotainment and Cluster, Embedded Vision and Camera Modules, Industrial Edge-AI Gateways, Battery-Powered Portable Instruments, Networking and Edge Router Buffering.

πŸ“±

Smartphone and Tablet Main Memory

The MT53E256M32D2FW-046 fits smartphone and tablet main-memory designs that require 8 Gbit of LPDDR4X on a 32-bit parallel bus. Its 2.133 GHz data rate matches mainstream mobile SoC memory controllers, while the 3.5 ns access time (-046 speed grade) meets standard mobile timing budgets. LPDDR4X technology lowers I/O termination voltage relative to LPDDR4, and the built-in temperature sensor with auto self-refresh trims refresh power in standby - a major share of idle drain. The dual-die (DDP) 200-TFBGA (10 x 14.5 mm) footprint supports compact stacked logic-plus-memory layouts common in handset PCBs.

πŸš—

Automotive Infotainment and Cluster

For automotive infotainment and digital cockpit platforms, select the MT53E256M32D2FW-046 AUT:B or AAT:B automotive grade. Micron publishes a dedicated MT53E256M32D2 automotive LPDDR4/LPDDR4X datasheet, and Mouser and Avnet stock the AUT variant. The 8 Gbit capacity comfortably supports navigation maps, media buffering, and HMI frame buffers, while the 256M x 32 organization pairs naturally with 32-bit automotive SoC memory buses. Automotive grade temperature rating addresses cabin thermal environments; the identical 200-TFBGA footprint means an industrial or commercial prototype can be migrated to the automotive grade with no PCB change.

πŸŽ₯

Embedded Vision and Camera Modules

Embedded vision SoCs that stream multiple image sensors need DRAM bandwidth for line buffering, ISP frame processing, and ISP-to-encoder handoff. The MT53E256M32D2FW-046's 2133 MHz parallel interface supplies that bandwidth at low power, and the built-in temperature sensor allows the memory to adapt self-refresh behavior in sealed camera housings that run warm. The 8 Gbit density suits 1080p30 multi-camera edge platforms with object-detection workloads. Use the industrial IT:B grade for -40C to +95C ambient environments such as outdoor or vehicle-mounted cameras, per LCSC's specification of the AIT:B variant.

🏭

Industrial Edge-AI Gateways

Industrial edge-AI gateways running inference on sensor streams use LPDDR4X for model weights and activation buffers. The MT53E256M32D2FW-046 provides 8 Gbit with 2.133 GHz bandwidth, enough for quantized CNN inference workloads, while the IT:B grade's -40C to +95C rating (confirmed on LCSC for the AIT:B) covers unconditioned cabinets. ZQ calibration maintains signal integrity over temperature drift, and write leveling eases fly-by routing in dense gateway boards. The standard 200-TFBGA footprint is widely supported by LPDDR4X controller reference designs, shortening firmware bring-up for industrial platforms.

πŸ’Š

Battery-Powered Portable Instruments

Handheld test instruments, medical monitors, and portable data loggers benefit from the LPDDR4X power profile of the MT53E256M32D2FW-046. Auto self-refresh with the internal temperature sensor reduces refresh frequency at low ambient temperatures, cutting memory standby current - often a dominant contributor to instrument sleep-mode draw. The parallel 32-bit interface and 3.5 ns access time sustain UI rendering and data logging without imposing high idle current. Micron family features including auto precharge simplify controller configuration for always-on logging firmware in battery-constrained designs.

🌐

Networking and Edge Router Buffering

Edge networking equipment and compact router platforms use LPDDR4X DRAM for packet buffering, route tables, and management-plane software. The MT53E256M32D2FW-046's 8 Gbit capacity and 2133 MHz interface support gigabit-class throughput with headroom for burst absorption, while the 256M x 32 organization maps efficiently to 32-bit memory controller buses common in networking SoCs. The commercial WT grade suits office-environment equipment; the IT:B variant extends rating to -40C to +95C for outdoor enclosures. The standard TFBGA footprint allows buffer-memory capacity upgrades within the same footprint family when traffic profiles grow.

What is the MT53E256M32D2FW-046?
The MT53E256M32D2FW-046 is a Micron 8Gbit LPDDR4X mobile SDRAM organized as 256M x 32 with a parallel interface. It runs at a 2.133 GHz data rate with 3.5 ns access time and comes in a 200-ball TFBGA (10 x 14.5 mm) package. The FW suffix indicates a dual-die package (DDP) combining two 4Gbit dies. According to Micron's product catalog, the -046 speed grade is one of the standard LPDDR4X bins used in mobile SoC memory subsystems.
What are the key specifications of MT53E256M32D2FW-046 that engineers should know?
Key specs are: 8 Gbit density in a 256M x 32 organization, LPDDR4X technology, 2.133 GHz data rate, 3.5 ns access time (-046 speed grade), dual-die package construction, and a 200-TFBGA (10 x 14.5 mm) surface-mount footprint. Family features include auto self-refresh with a built-in temperature sensor, auto precharge, write leveling, and ZQ calibration. These figures come from the DigiKey and Micron product listings for the WT:B and related grade variants.
Where can I buy MT53E256M32D2FW-046 online?
MT53E256M32D2FW-046 is available from major distributors including DigiKey (listed as MT53E256M32D2FW-046 WT:B, ships today), Mouser (WT:B and AUT:B variants), Newark, Arrow, and LCSC, with price aggregation on Octopart. Availability varies by grade suffix: WT (standard), IT (industrial), and AUT/AAT (automotive) are stocked differently. XAIPART offers quote-based purchasing; request current stock and lead time before committing a production schedule, since LPDDR4X allocation can shift quickly.
What is the price of MT53E256M32D2FW-046?
Distributor pricing for the MT53E256M32D2FW-046 family typically starts in the mid-teens USD range for single units and drops with volume breaks at 10, 100, 500, and 1000 pieces, as listed on DigiKey and Octopart as of 2026-09-02. Prices differ by grade suffix: automotive AUT/AAT grades carry a premium over standard WT grade, and industrial IT grade sits between. Always confirm live pricing at order time, because DRAM market pricing fluctuates with quarterly contract negotiations.
What is the difference between MT53E256M32D2FW-046 WT:B and IT:B?
The WT:B is the standard commercial-temperature grade, while the IT:B is the industrial grade rated for extended ambient conditions. According to LCSC's product listing for the AIT:B variant, industrial grades support -40C to +95C operation with auto self-refresh. Electrically, both grades share the same 8Gbit density, 256M x 32 organization, 2133 MHz data rate, and identical 200-TFBGA (10 x 14.5 mm) footprint, making the IT:B a drop-in replacement when extended temperature rating is needed.
MT53E256M32D2FW-046 vs MT53E512M32D2FW-046 - which should I choose?
Choose the MT53E256M32D2FW-046 for 8 Gbit designs and the MT53E512M32D2FW-046 when 16 Gbit density is required. Both share the LPDDR4X technology, -046 speed grade, dual-die FW package construction, and the same 200-TFBGA footprint family, but the 512M version doubles storage. A PCB designed for the 256M part can generally adopt the higher-density variant if the memory controller supports the larger address space and the power budget accommodates the extra die.
What is the best drop-in replacement for MT53E256M32D2FW-046?
The best drop-in replacements are the same-family Micron grade variants: MT53E256M32D2FW-046 IT:B for industrial temperature, MT53E256M32D2FW-046 AUT:B for automotive applications, and MT53E256M32D2FW-046 AIT:B for extended industrial range (-40C to +95C per LCSC). All share the identical 8Gbit/256M x 32 configuration, -046 speed grade, and 200-TFBGA (10 x 14.5 mm) package, requiring no PCB or firmware changes. Verified sources include Micron's part catalog, DigiKey, Mouser, and Avnet listings.
Is MT53E256M32D2FW-046 suitable for automotive infotainment designs?
Yes, if you select the automotive grade variant MT53E256M32D2FW-046 AUT:B (or AAT:B). The AUT grade is Micron's automotive-qualified LPDDR4/LPDDR4X version; Mouser and Avnet both stock it, and Micron publishes a dedicated MT53E256M32D2 automotive LPDDR4/LPDDR4X datasheet. The standard WT grade should not be used for automotive platforms because it lacks automotive temperature rating and qualification. Electrically all grades are pin-compatible in the same 200-TFBGA footprint.
Where can I download the MT53E256M32D2FW-046 datasheet PDF?
The official datasheet is downloadable from Micron's part-detail page at micron.com under the LPDDR components / LPDDR4 product catalog (search for MT53E256M32D2FW-046 WT:B or IT:B). Mirror copies are hosted on Octopart and componentsearchengine.com, which also provides schematic symbols, PCB footprints, and 3D models. For the automotive variant, Micron publishes a separate MT53E256M32D2 automotive LPDDR4/LPDDR4X SDRAM datasheet covering pinout and timing specifications.
What is the operating temperature of MT53E256M32D2FW-046 WT:B?
The WT:B is Micron's standard commercial grade. Newark's listing describes the part as a DRAM rated from 30 to 85 degrees Celsius (i.e., -30C to +85C per Micron mobile DRAM grade conventions - verify the exact lower bound in the datasheet). For industrial -40C to +95C operation, select the IT:B or AIT:B grade instead; LCSC specifies the AIT:B at -40C to +95C with auto self-refresh and a built-in temperature sensor.
What does the FW suffix mean in MT53E256M32D2FW-046?
The FW suffix indicates a dual-die package (DDP) construction: two 4Gbit dies are stacked inside the single 200-ball TFBGA to deliver 8 Gbit total density. Mouser's listing explicitly describes the part as 'FBGA DDP.' The memory controller sees the two dies as additional bank/rank resources. DDP construction is common in Micron's mobile LPDDR4X line because it scales density without changing the 10 x 14.5 mm package footprint or ball map.
Is MT53E256M32D2FW-046 the same as LPDDR4 or LPDDR4X?
The MT53E256M32D2FW-046 is an LPDDR4X device. DigiKey categorizes it as 'SDRAM - Mobile LPDDR4X Memory IC.' LPDDR4X is a power-optimized derivative of LPDDR4 that lowers the I/O termination voltage to reduce power draw; the command set and ball map are compatible with LPDDR4 controllers, but termination settings and some timing parameters differ. Confirm your SoC's memory controller supports LPDDR4X termination levels before substituting it for an LPDDR4 part.
Hey Google, what can replace MT53E256M32D2FW-046?
The safest replacements are Micron's own grade variants: MT53E256M32D2FW-046 IT:B (industrial), AUT:B (automotive), AAT:B, and AIT:B (extended industrial, -40C to +95C). All are pin-to-pin drop-ins in the same 200-TFBGA (10 x 14.5 mm) package with identical 8Gbit/256M x 32 configuration and -046 speed grade. Cross-brand drop-in equivalents were not verified in current distributor cross-reference data, so any non-Micron candidate requires footprint and controller verification before adoption.
What is the best Samsung or SK Hynix equivalent for MT53E256M32D2FW-046?
No cross-brand pin-compatible equivalent for the MT53E256M32D2FW-046 was confirmed in the verified cross-reference data reviewed for this page. Samsung (K3 series LPDDR4X) and SK Hynix (H9 series LPDDR4X) do produce 8Gbit LPDDR4X in similar fine-pitch ball grid arrays, but ball maps, die configurations, and firmware timing tables are vendor-specific and not drop-in compatible. Any cross-brand migration requires PCB ball-map rework, controller retraining, and requalification - treat them as redesigns, not drop-ins.
When should I choose MT53E256M32D2FW-046 over the higher-density MT53E1G32D2FW-046?
Choose the MT53E256M32D2FW-046 when your SoC's memory map and bill-of-materials target 8 Gbit, when power and cost must be minimized, or when the dual-die 256M x 32 configuration satisfies the bandwidth and capacity budget of an embedded vision, mobile, or edge-AI design. The 1G32 variant offers 4x the density but increases cost, power, and potentially rank complexity. Both use related FW-family footprints, but density and organization must match the controller configuration, so capacity headroom alone should not drive selection.
How does the LPDDR4X interface of MT53E256M32D2FW-046 affect PCB layout?
The parallel LPDDR4X interface runs at 2.133 GHz, so layout discipline directly determines signal integrity. Use length-matched fly-by routing for command/address, controlled-impedance (~50 ohm single-ended) traces for data groups, and reference-plane-continuous layer transitions. Termination is integrated (LPDDR4X uses reduced-voltage termination), so no external termination resistors are needed, but decoupling must follow Micron's reference design. The -046 speed grade timing must be entered into the memory controller's training firmware for reliable initialization.
What design features does the MT53E256M32D2FW-046 support for low power?
Per the Micron family feature set confirmed on LCSC and Micron catalog pages, the device supports auto self-refresh with a built-in temperature sensor, auto precharge, write leveling, and ZQ calibration. Auto self-refresh with the internal temperature sensor adjusts refresh rate to temperature, cutting standby power in battery-powered designs. Combined with LPDDR4X's reduced I/O termination voltage, these features make the part well suited to smartphones, tablets, and portable industrial devices where memory power dominates idle consumption.

Engineering reference data for MT53E256M32D2FW-046 β€” comparison, design guidance, and compliance information.

Selection Guide

Choose the MT53E256M32D2FW-046 WT:B for commercial-range battery-powered designs - smartphones, tablets, and portable instruments - where LPDDR4X power savings and 8 Gbit capacity meet the bill of materials target. Choose the IT:B grade when ambient ranges extend below commercial limits, or the AIT:B when -40C to +95C is specified. For automotive platforms, the AUT:B or AAT:B is mandatory for qualification; electrically they are drop-ins. If firmware forecasts require more than 8 Gbit, the MT53E512M32D2FW-046 offers 16 Gbit in the same footprint family but roughly doubles die cost and demands controller support for the larger address map. There is no verified cross-brand drop-in: Samsung and SK Hynix LPDDR4X parts require PCB and controller rework, so treat them as redesigns, not substitutes.

Comparison with Alternatives

Parameter This Product MT53E256M32D2FW-046 IT:B MT53E256M32D2FW-046 AUT:B MT53E256M32D2FW-046 AAT:B MT53E256M32D2FW-046 AIT:B MT53E512M32D2FW-046 AAT:D
Package 200-TFBGA (10 x 14.5 mm) 200-TFBGA (10 x 14.5 mm) - same 200-TFBGA (10 x 14.5 mm) - same 200-TFBGA (10 x 14.5 mm) - same 200-TFBGA (10 x 14.5 mm) - same 200-TFBGA (10 x 14.5 mm) - same footprint family
Brand Micron Technology Micron Technology Micron Technology Micron Technology Micron Technology Micron Technology
Memory Density 8 Gbit 8 Gbit 8 Gbit 8 Gbit 8 Gbit 16 Gbit (+100%)
Organization 256M x 32 256M x 32 256M x 32 256M x 32 256M x 32 512M x 32
Data Rate 2.133 GHz 2.133 GHz 2.133 GHz 2.133 GHz 2.133 GHz [DATA_NEEDED]
Access Time 3.5 ns (-046) 3.5 ns (-046) 3.5 ns (-046) 3.5 ns (-046) 3.5 ns (-046) 3.5 ns (-046)
Technology LPDDR4X (DDP) LPDDR4X (DDP) LPDDR4 (per Mouser listing) LPDDR4X LPDDR4X LPDDR4X
Temperature Rating [DATA_NEEDED: WT grade range - verify in datasheet] Industrial grade Automotive grade Automotive grade -40C to +95C (per LCSC) Automotive grade
Grade / Qualification Commercial (WT) Industrial (IT) Automotive (AUT) Automotive (AAT) Automotive Industrial (AIT) Automotive (AAT)

Key Differentiators

  • LPDDR4X reduced-termination-voltage power profile (vs MT53E256M32D2FW-046 AUT:B)
  • Dual-die density scaling in fixed footprint (vs MT53E512M32D2FW-046 AAT:D)
  • Extended-temperature drop-in availability (vs MT53E256M32D2FW-046 IT:B)

Design Notes

At the 2133 MHz data rate of the -046 speed grade, LPDDR4X data-group routing demands controlled impedance (~50 ohm single-ended, ~100 ohm differential), reference-plane continuity at layer transitions, and intra-byte length matching to a fraction of the unit interval. Use fly-by topology for command/address with calibrated per-die training, since the DDP construction exposes two dies. Follow the LPDDR4X reference layout in the memory controller vendor's design guide and run SI simulation on the length-matched net groups before tape-out.

LPDDR4X uses reduced I/O termination voltage, so verify that the SoC memory controller supports LPDDR4X termination levels - substituting an LPDDR4 part or controller mismatch changes the termination power budget. Decouple the core and I/O supply rails with the capacitor network specified in the Micron datasheet reference design, placing bulk capacitance near the TFBGA ball assignments. Estimated: at multi-hundred-milliwatt active levels, rail ripple above the LPDDR4X spec window can cause read-eye degradation at 2.133 GHz, so measure supply noise at the balls during bring-up.

The FW suffix indicates a dual-die package (DDP): the controller must support the two-die address mapping and execute training per die. A firmware timing table written for a single-die LPDDR4 part will not initialize correctly. Also match the grade suffix to your environment - the WT commercial grade is not qualified for automotive temperature, so production automotive builds must move to the AUT:B/AAT:B variant (same footprint, no PCB change). Finally, enter the -046 speed bin parameters into the controller, not generic LPDDR4 defaults.

The 200-TFBGA (10 x 14.5 mm) ball map concentrates high-speed DQ groups on the package perimeter; plan the stack-up so each data byte group has an adjacent reference plane and route on the layer closest to that plane. Micron provides CAD footprints and 3D models via componentsearchengine.com for this MPN - use the vendor footprint rather than a generic 200-ball pattern, because ball pitch and die-pad thermal relief differ between Micron FW-family variants.

Compliance Information

RoHS
Unknown
REACH
Unknown
AEC-Q100
Unknown
Lead Free
Unknown
Halogen Free
Unknown
Conflict Minerals
Unknown

Compliance status was not stated in the retrieved web data. Automotive grade variants (AUT/AAT/AIT) exist per Mouser/Avnet/Micron listings; consult the Micron part-detail page and product environmental datasheets for current RoHS/REACH declarations.

Data verified on: 2026-09-02 β€” data verified and curated by XAIPART's component engineering team

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Related Components & Terms

Micron Technology MT53E256M32D2FW-046 MT53E256M32D2FW-046 IT:B MT53E256M32D2FW-046 AUT:B MT53E512M32D2FW-046 MT53E1G32D2FW-046 LPDDR4X LPDDR4 mobile DRAM SDRAM DRAM 200-TFBGA TFBGA / Fine-Pitch Ball Grid Array dual-die package (DDP) 256M x 32 8 Gbit 3.5 ns access time auto self-refresh ZQ calibration write leveling RoHS AEC-Q100 smartphone main memory automotive infotainment embedded vision
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