MT53E128M32D2DS-046 - 4Gb LPDDR4 SDRAM 200-WFBGA | Micron
MPN： MT53E128M32D2DS-046 ✗ 停產MT53E128M32D2DS-046 概覽
LPDDR4 (Low Power Double Data Rate 4) SDRAM is a member of the JEDEC-defined mobile DRAM family, positioned below desktop DDR4 and above LPDDR3 in the memory hierarchy. It is engineered for battery-powered and thermally constrained systems that demand high bandwidth per watt, using a low-voltage signaling interface, bank grouping, and burst lengths of 16 to maximize effective data throughput.
Key features of this part include its x32 wide data bus, which reduces controller pin count and simplifies routing versus dual x16 assemblies; Double-Die Package (DDP) construction combining two 2Gb dies in one package; and an industrial/automotive-compatible speed bin (-046). The DS suffix denotes the dual-die stacked package style, and the 200-ball WFBGA footprint supports compact mobile-class layouts with controlled-impedance fly-by or point-to-point topologies.
Technically, the MT53E128M32D2DS-046 implements 8 internal banks with bank-group architecture, on-die termination, and programmable drive strength. LPDDR4X 0.6V VDDQ operation lowers I/O power substantially compared to the LPDDR4 1.10V VDDQ setting, which is often the deciding factor in battery-life-sensitive designs. The unified datasheet describes both configurations, so firmware must select the correct VDDQ operating mode.
Typical applications include automotive infotainment and ADAS domain controllers (the AUT:A grade variant), industrial HMI and edge-compute modules (AIT:A grade), and portable or embedded Linux platforms using applications processors with native LPDDR4 memory controllers.
A key design consideration is memory controller compatibility: verify that the SoC supports the -046 speed bin timing set and the DDP rank configuration before committing the layout.
This page synthesizes distributor availability data, drop-in variant cross-references, and practical design notes not found on a single manufacturer page.
直接替換替代品，適用於 MT53E128M32D2DS-046 — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： MT53E128M32D2DS-046 （相同外形與佔位） — 差異在於 Memory Type, Organization, Package, RoHS Status, Density.
MT53E128M32D2DS-046 AUT:A
✅ 直接替換📋 參考替代品（不在目錄中）
MT53E128M32D2DS-046 AAT:A
✅ 直接替換📋 參考替代品（不在目錄中）
MT53E128M32D2DS-046 AIT:A
✅ 直接替換📋 參考替代品（不在目錄中）
MT53E128M32D2DS-046 WT:A
✅ 直接替換📋 參考替代品（不在目錄中）
MT53D512M32D2DS-053 WT:D
✅ 直接替換聯絡詢價
查看資料表 →MT53E128M32D2DS-046 最大額定值與電氣特性
| 記憶體類型 | Mobile LPDDR4 SDRAM (LPDDR4/LPDDR4X unified) |
| Density | 4 Gbit |
| 組織 | 128M x 32 |
| 資料匯流排寬度 | 32 bit |
| 資料速率 | 2.133 GHz (speed bin -046) |
| Maximum Clock Rate | 4166 MHz (per Arrow listing) |
| Configuration | DDP (Double-Die Package) |
| 封裝 | 200-WFBGA (10 mm x 14.5 mm) |
| VDDQ (LPDDR4X mode) | 0.6 V |
| VDDQ (LPDDR4 mode) | 1.10 V |
| Operating Temperature (AAT grade) | -40C to +105C |
| Operating Temperature (AIT grade) | -40C to +95C |
| 安裝類型 | Surface Mount |
| Packaging | Dry pack, Tape and Reel |
| ECCN (US) | EAR99 |
| HTS | 8542.32.00.28 |
| Automotive Qualification | Yes (per Arrow listing for AAT:A) |
| RoHS 狀態 | EU RoHS Compliant |
| Part Status | Obsolete (per Arrow listing) |
MT53E128M32D2DS-046 200-wfbga (10 mm x 14.5 mm) 腳位配置指南
MT53E128M32D2DS-046（200-wfbga (10 mm x 14.5 mm) 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： MT53E128M32D2DS-046.
請參閱 資料表 以查看完整腳位配置。
典型應用
MT53E128M32D2DS-046 適用於 6 應用s: Automotive Infotainment and Cluster, ADAS Domain Controllers, Industrial HMI and Edge Compute Modules, Portable and Battery-Powered Devices, Embedded Linux Gateways and Networking, Last-Time-Buy Board Maintenance.
Automotive Infotainment and Cluster
The MT53E128M32D2DS-046 fits automotive infotainment and instrument-cluster designs because the AAT:A order code is automotive-qualified per Arrow's listing (Automotive = Yes, max operating temperature +105C) and is documented in Micron's Automotive LPDDR4/LPDDR4X SDRAM (Z19M) production data sheet. The 4Gb x32 DDP configuration supplies roughly 4.2 GB/s of peak bandwidth at the -046 bin, sufficient for map rendering, rear-camera pipelines, and GUI frame buffers on mid-tier SoCs. In circuit, the memory connects point-to-point to the SoC's LPDDR4 controller with on-die termination, and LPDDR4X 0.6V VDDQ mode cuts I/O power - important for keeping cluster electronics within the thermal budget behind a sun-loaded windshield.
推薦
ADAS Domain Controllers
For entry-level ADAS sensors and fusion nodes, the MT53E128M32D2DS-046 offers the automotive temperature grade (-40C to +105C on AAT:A) and the deterministic timing of a fixed -046 speed bin, which simplifies controller timing closure across automotive supply chains. The 32-bit DDP organization gives a single-package memory subsystem, reducing BOM count versus dual x16 parts. Placed on a 4- or 6-layer board with length-matched CA/DQ routing per Micron's LPDDR4 layout guidelines, the part delivers 4Gb of working memory for object-tracking buffers. The trade-off versus LPDDR4X successors is power: in LPDDR4 1.10V VDDQ mode, I/O power is roughly double that of 0.6V LPDDR4X operation, so firmware should enable LPDDR4X mode where the SoC supports it.
推薦
Industrial HMI and Edge Compute Modules
Industrial human-machine interfaces and edge-AI SoMs use the AIT:A order code (rated -40C to +95C per Newark) where full automotive qualification is unnecessary but extended temperature is required. The MT53E128M32D2DS-046 provides 512 MB-equivalent of 4Gb DRAM - ample for Linux + Qt GUI stacks on i.MX and similar applications processors whose memory controllers natively support LPDDR4 at this bin. The x32 wide bus reduces controller trace count, which matters on high-layer-count HMI boards routing to large touch displays. Designers should confirm the SoC memory-controller supports DDP rank interleaving; performance consideration: bank-group architecture sustains sequential bandwidth for video decode while burst length 16 keeps random-access latency acceptable for UI responsiveness.
推薦
Portable and Battery-Powered Devices
In portable instruments, handheld terminals, and battery-powered IoT gateways, the MT53E128M32D2DS-046's unified LPDDR4X capability is the headline benefit: running at 0.6V VDDQ instead of 1.10V roughly halves DRAM interface power, and the -046 bin allows lower clock operation for further savings. The 200-ball WFBGA (10 mm x 14.5 mm) footprint is compact enough for handheld PCBs while the x32 bus keeps the controller pin count low. In use, the memory sits on the PMIC's dedicated LPDDR4X rails (typically 1.8V VDD1-class core and 0.6V VDDQ), with self-refresh and deep-power-down modes exploited between wake events. Typical battery-life benefit: dropping VDDQ from 1.10V to 0.6V measurably reduces standby-to-active transition energy in duty-cycled designs.
推薦
Embedded Linux Gateways and Networking
Edge gateways and compact networking equipment pair applications processors with the MT53E128M32D2DS-046 to obtain 4Gb of packet-buffer and application memory in one package. The 32-bit bus at the -046 data rate provides headroom for Gigabit-Ethernet line-rate buffering, while the DDP arrangement lets the controller interleave two dies for improved effective bandwidth. Compared with DDR3L alternatives, LPDDR4's bank-group architecture and lower I/O voltage reduce both latency jitter and rail complexity - the memory can share the SoC's power tree with a simple buck converter per Micron's LPDDR4 power application guidance. Layout consideration: keep CA and DQ length-matched within the tolerance stated in the SoC's layout guide; the WFBGA via-in-pad escape simplifies routing on 6-layer boards.
推薦
Last-Time-Buy Board Maintenance
A primary real-world use of the MT53E128M32D2DS-046 today is sustaining existing production boards, since Arrow lists the part as Obsolete while distributors (DigiKey, Mouser, Octopart-tracked channels) still hold stock as of September 2026. Procurement teams can buy the AAT:A, AUT:A, AIT:A, or WT:A codes as same-die drop-ins with zero PCB change - only the temperature grade differs per order code. The engineering consideration is date-code and country-of-origin consistency for requalified assemblies: request dry-pack, tape-and-reel lots with recent date codes and confirm moisture sensitivity level handling per the JEDEC-style MSL marking on the reel label. This application is why XAIPART tracks all four order codes on one page.
推薦
推薦產品摘要
工程參考資料，適用於 MT53E128M32D2DS-046 — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | MT53E128M32D2DS-046 AUT:A | MT53E128M32D2DS-046 AAT:A | MT53E128M32D2DS-046 AIT:A | MT53D512M32D2DS-053 WT:D |
|---|---|---|---|---|---|
| Package | 200-WFBGA (10 x 14.5 mm) | 200-WFBGA (10 x 14.5 mm) - same | 200-WFBGA (10 x 14.5 mm) - same | 200-WFBGA (10 x 14.5 mm) - same | 200-ball WFBGA DS package family - same footprint family |
| Brand | Micron Technology | Micron Technology | Micron Technology | Micron Technology | Micron Technology |
| Density | 4 Gbit (128M x 32) | 4 Gbit (128M x 32) | 4 Gbit (128M x 32) | 4 Gbit (128M x 32) | 16 Gbit (512M x 32) |
| Speed Bin | -046 (2.133 GHz data rate) | -046 | -046 | -046 | -053 |
| Configuration | DDP (Double-Die Package) | DDP | DDP | DDP | DDP (higher stack) |
主要差異化特點
- Extended automotive temperature rating (對比MT53E128M32D2DS-046 AIT:A)
- Widest channel availability in the same die (對比MT53E128M32D2DS-046 AAT:A)
- Board-compatible density upgrade path exists (對比MT53D512M32D2DS-053 WT:D)
設計說明
The MT53E128M32D2DS-046 is a unified LPDDR4/LPDDR4X die: set VDDQ to 0.6V for LPDDR4X mode or 1.10V for LPDDR4 mode per the unified Micron data sheet. Do not power VDDQ from a generic adjustable rail - use the PMIC's dedicated LPDDR4X VDDQ output with remote sense, because x32 DDP configurations draw significant transient current on 32 data lines at speed-bin edge. Verify VDD2 rails (1.1V/1.8V class) against your SoC's reference design before release.
The 200-ball WFBGA (10 mm x 14.5 mm) uses approximately 0.5 mm ball pitch; via-in-pad with filled vias is the standard escape on 6+ layer boards. Length-match the CA bus and each DQS/DQ byte group per your SoC's memory layout guide, and reference high-speed layers to continuous ground planes. Follow Micron's LPDDR4 system design application notes for fly-by CA routing and ODT tuning; a mismatched CA bus is the most common cause of marginal eye diagrams at the -046 bin.
This part is listed Obsolete (Arrow) while distributor stock remains - treat every purchase as last-time-buy. Confirm the exact order-code suffix (AAT:A vs AUT:A vs AIT:A vs WT:A) matches your temperature and qualification requirement: AIT:A tops out at +95C versus +105C for AAT:A, an easy BOM-error to make. Also confirm firmware support for DDP rank interleaving; a controller configured for single-die (SDP) parts will see only half the memory.
合規資訊
EU RoHS Compliant per Arrow product listing for MT53E128M32D2DS-046 AAT:A; Automotive = Yes per same listing. ECCN (US) EAR99, HTS 8542.32.00.28. REACH, lead-free, halogen-free, and conflict-minerals status not stated in verified data - request Micron's material declaration.
