K3KL4L40EM-BGCU - 12GB LPDDR5X DRAM 8533Mbps | Samsung
MPN: K3KL4L40EM-BGCU ✓ Active| Qty | Unit Price | Extended |
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| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
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Drop-in alternatives for K3KL4L40EM-BGCU — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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K3KL4L40DM-BGCU
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View Datasheet →K3KL4L40EM-BGCU Maximum Ratings & Electrical Characteristics
| Memory Type | LPDDR5X DRAM |
| Density | 96 Gbit (12 GB) |
| Organization | x64 |
| Data Rate | 8533 Mbps |
| Interface | LPDDR5X (LPDDR5 JEDEC-based) |
| Package | 496-ball FBGA |
| Mounting Type | Surface Mount |
| Application | Tablet, Smartphone, Wearable Devices |
| Product Family | Samsung LPDDR5X (K3KL4L40EM series) |
| Companion Densities | 64 Gbit (K3KL3L30DM-BGCU), 128 Gbit (K3KL5L50DM-BGCU) |
| Power Characteristic | Ultra-low-power mobile DRAM |
| RoHS Status | unknown |
| Ball Count | 496 |
| Storage Class | Volatile memory (DRAM) |
K3KL4L40EM-BGCU 496-ball fbga Pin Configuration Guide
Complete pinout information for K3KL4L40EM-BGCU (496-ball fbga 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.
No detailed pinout data available for K3KL4L40EM-BGCU.
Refer to the datasheet for full pin configuration.
Safe Operating Area (SOA) & Thermal Characteristics
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
K3KL4L40EM-BGCU is suitable for 6 applications: Flagship Smartphone Main Memory, Tablet Main Memory, Wearable and Smart Devices, Edge AI and On-Device Inference, Automotive Cockpit and ADAS Compute Modules, High-Performance Embedded Computing Modules.
Flagship Smartphone Main Memory
The K3KL4L40EM-BGCU is purpose-built as main system memory for flagship smartphones, where its 8,533 Mbps data rate provides the bandwidth headroom required by Qualcomm Snapdragon and MediaTek Dimensity application processors with on-device AI acceleration. Its 96 Gbit (12 GB) density allows a two-package design to reach 24 GB, supporting heavy multitasking and large AI model residency in memory. As ultra-low-power LPDDR5X, it reduces memory subsystem energy per bit transferred, directly extending battery life versus LPDDR5 at equivalent bandwidth. The 496-ball FBGA footprint fits standard mobile PCB PoP-adjacent layouts, and shared footprint across the 64/96/128 Gbit family lets one platform design scale across memory tiers without respin, provided the SoC memory-compatibility list covers the chosen density.
Recommended
Tablet Main Memory
Tablets benefit from the K3KL4L40EM-BGCU's combination of high bandwidth and low power, since they run large-display rendering pipelines, split-screen multitasking, and increasingly on-device AI assistants. The 8,533 Mbps LPDDR5X interface supplies the sustained bandwidth needed to drive high-resolution displays and GPU workloads without the memory subsystem becoming the bottleneck, while the ultra-low-power design keeps thermals within the passive-cooling envelope typical of tablets. At 12 GB per device, a single package can serve mid-range tablet configurations, and two packages reach 24 GB for productivity-oriented models. Because Samsung's LPDDR5X family shares the 496-ball FBGA footprint across densities, tablet platforms can offer multiple memory SKUs from a single PCB layout, shortening qualification cycles and reducing inventory complexity across the product line.
Recommended
Wearable and Smart Devices
Samsung explicitly lists wearable devices among the target applications of its LPDDR5X lineup, and the K3KL4L40EM-BGCU's ultra-low-power mobile DRAM design addresses the strict energy budgets of smartwatches, AR glasses, and smart rings with advanced compute. LPDDR5X's reduced operating voltage and high efficiency deliver bandwidth-per-milliwatt that legacy LPDDR4X cannot match, which matters for wearables running compact on-device AI models for health sensing and voice assistance. Designers of very space-constrained wearables should evaluate whether the 64 Gbit K3KL3L30DM-BGCU in the same 496-ball FBGA footprint better matches their capacity and cost targets, since the footprint is common across the family. Signal integrity at 8,533 Mbps requires adherence to the SoC vendor's reference routing for the short point-to-point LPDDR5X links typical in wearable form factors.
Recommended
Edge AI and On-Device Inference
On-device generative AI and computer-vision inference are memory-bandwidth-bound workloads, making the K3KL4L40EM-BGCU's 8,533 Mbps data rate a direct enabler: higher bandwidth translates to higher tokens-per-second and frames-per-second for NPUs integrated in Snapdragon and Dimensity platforms. The 12 GB capacity allows larger quantized models to remain resident in DRAM, avoiding costly swaps to storage. Samsung's LPDDR5X family is positioned precisely for this AI-at-the-edge use case, with the industry-leading speed grade minimizing latency for memory-intensive transformer inference. The ultra-low-power profile also keeps sustained-inference thermals manageable in fanless devices. When model sizes vary across product tiers, the footprint-compatible 96/128 Gbit family members let AI product lines scale memory capacity while reusing a single validated LPDDR5X layout and memory-training configuration.
Recommended
Automotive Cockpit and ADAS Compute Modules
High-performance automotive cockpit processors and ADAS domains increasingly specify LPDDR5X-class memory for AI-assisted driver monitoring, surround-view rendering, and infotainment. The K3KL4L40EM-BGCU's 8,533 Mbps bandwidth supports the multi-display, multi-camera workloads of digital cockpit SoCs, while its low power helps meet the thermal constraints of passively-cooled head units. Twelve gigabytes per package enables multi-OS (instrument cluster plus infotainment) virtualized platforms on a single SoC. Note that the standard consumer part must be evaluated against the project's AEC-Q100 requirements; Samsung offers automotive-qualified LPDDR variants, and designers should confirm qualification grade for their specific program before using this mobile-grade component. The 496-ball FBGA footprint and density-family structure simplify qualification across cockpit trim levels with differing memory configurations.
Recommended
High-Performance Embedded Computing Modules
Embedded computing modules - SoMs, COM Express alternatives built on mobile-class Qualcomm or MediaTek SoCs - adopt LPDDR5X like the K3KL4L40EM-BGCU to deliver smartphone-level memory performance in industrial edge gateways, robotics controllers, and vision systems. The 8,533 Mbps rate supplies the bandwidth for multi-camera sensor fusion and real-time analytics, and the ultra-low-power design suits fanless enclosures where every watt of dissipation matters. Soldered-down DRAM also improves vibration reliability versus SODIMM-based designs, a key requirement in mobile robotics and transportation. Because the module integrator controls the LPDDR5X layout, using Samsung's footprint-stable 496-ball FBGA family simplifies second-sourcing across densities within one carrier-board and module roadmap. Verify controller training data and compatibility lists for the exact Samsung part number before production release.
Recommended
Recommended Products Summary
Engineering reference data for K3KL4L40EM-BGCU — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | K3KL4L40DM-BGCU | K3KL3L30DM-BGCU | K3KL5L50DM-BGCU | K3KL7L70EM-MGCU |
|---|---|---|---|---|---|
| Package | 496-ball FBGA | 496-ball FBGA - same | 496-ball FBGA - same | 496-ball FBGA - same | 496-ball FBGA - same |
| Brand | Samsung | Samsung | Samsung | Samsung | Samsung |
| Density | 96 Gbit (12 GB) | 96 Gbit (12 GB) | 64 Gbit (8 GB) | 128 Gbit (16 GB) | [DATA_NEEDED] |
| Data Rate | 8533 Mbps | 8533 Mbps | 8533 Mbps | 8533 Mbps | 8533 Mbps |
| Organization | x64 | x64 | x64 | x64 | [DATA_NEEDED] |
| Memory Technology | LPDDR5X | LPDDR5X | LPDDR5X | LPDDR5X | LPDDR5X |
| Primary Application | Tablet, Smartphone, Wearable | Mobile DRAM (same family) | Tablet, Smartphone, Wearable | Tablet, Smartphone, Wearable | Mobile DRAM (same family) |
| Generation Suffix | EM (newest) | DM (prior generation) | DM | DM | EM (current) |
Key Differentiators
- Newest EM generation of the 96 Gbit LPDDR5X family (vs K3KL4L40DM-BGCU)
- Maximum density per package within footprint-compatible family (vs K3KL3L30DM-BGCU)
- Industry-leading 8,533 Mbps speed grade (vs LPDDR5-class memory (e.g., K4AAG165WM DDR4/LPDDR5 alternatives))
Design Notes
At 8,533 Mbps, LPDDR5X signal integrity dominates design success. Keep all data, address, and command traces length-matched within the SoC vendor's specification (typically on the order of a few mils within byte lanes), maintain controlled single-ended and differential impedance, and reference signals to solid ground planes. Follow the Qualcomm or MediaTek reference design layout for the specific SoC, as LPDDR5X training margins are validated only against those layouts. Avoid routing LPDDR5X lines across plane splits and minimize via transitions on data groups.
Verify SoC compatibility before substitution. LPDDR5X devices are not freely interchangeable: the memory controller must include the Samsung device's timings and training configuration in its supported-memory list. The 96 Gbit EM-generation part and the 96 Gbit DM-generation K3KL4L40DM-BGCU share footprint and specs, but die-revision differences can require updated firmware training tables. Always confirm the exact MPN against the SoC vendor's memory compatibility (QVL) documentation before committing the BOM, and lock the die revision on incoming inspection.
LPDDR5X operates at reduced supply voltages relative to LPDDR5 to achieve its power-efficiency targets; use the PMIC rail specifically designed for LPDDR5X VDD1/VDD2/VDDQ domains with the sequencing order required by the SoC platform. Decouple each supply domain per the Samsung datasheet layout guidance with low-ESR ceramics placed close to the ball-field vias. Power-rail ripple on VDDQ directly degrades eye margins at 8,533 Mbps, so measure rail noise during memory training validation rather than assuming margin.
The 496-ball FBGA requires a fine-pitch land pattern per the Samsung package drawing; use NSMD pads and solder-mask-defined openings only where the land-pattern note permits. Because Samsung's LPDDR5X density family (64/96/128 Gbit) shares this footprint, design the PCB to accept any family member: populate all balls per the drawing, avoid hard-wiring density-specific balls, and validate the layout with both the target density and its neighbors during SI simulation to enable tiered SKU strategies without respin.
Compliance Information
Compliance status not stated in the provided web data; confirm RoHS/REACH declarations via Samsung Semiconductor's official environmental documentation for this MPN.
