K3UH7H70BM-AGCLT00

Introduction

The K3UH7H70BM-AGCLT00 is a high-performance 8 Gb (1 GB) LPDDR4X (Low Power Double Data Rate 4X) SDRAM memory chip manufactured by Samsung Electronics. As a member of the premium K3U series, it utilizes Samsung's advanced 1y-nm (1J) process technology to deliver a perfect balance of high bandwidth and ultra-low power consumption. This chip is specifically designed for flagship mobile devices, VR/AR headsets, and AI edge computing devices where battery life and processing speed are critical.

The suffix breakdown is as follows:

• K3UH7H70BM: Core model identifier (8Gb LPDDR4X).
• AGCL: Indicates the FBGA package type and specific lead-free/halogen-free configuration.
• T00: Typically denotes a specific revision code, test batch, or manufacturing location code (often associated with specific OEM requirements or later production runs).

Market Status: This model is a mature, high-volume production part widely used in mid-to-high-end smartphones (e.g., Vivo S12) and VR devices (e.g., PICO 4). While it remains available, for new designs, engineers should evaluate migration to LPDDR5 or newer LPDDR4X variants for future-proofing.

Product Description

Functional Integration for Advanced Mobile Systems

Designed for demanding mobile and embedded applications, the K3UH7H70BM-AGCLT00 targets manufacturers and developers requiring robust memory solutions. Its 8 Gb capacity caters to flagship smartphones, VR headsets, and edge AI devices, facilitating seamless multitasking and rapid data processing. OEMs and engineers benefit from collaborating with a reliable pcba manufacturer that supports efficient implementation of this component into complex system designs. The chip enables enhanced system responsiveness while partnering effectively with pcb assembly manufacturer expertise to ensure optimized circuit integration and assembly quality.

Technical Specifications Supporting High-Efficiency Operation

The Samsung LPDDR4X SDRAM employs a cutting-edge 1y-nm DRAM fabrication process, delivering a maximum data transfer speed of 4266 Mbps and operating across multi-voltage rails (1.8V, 1.1V, and 0.6V) to optimize power consumption. Housed in a 200-ball FBGA package, it supports features such as On-Die Termination (ODT), Write CRC, and Temperature Compensated Self-Refresh (TCSR), enhancing signal integrity and operational stability under variable thermal conditions. These technical traits align well with demanding custom pcb assembly requirements and ensure robust pcb assembly services by enabling reliable soldering and reduced electromagnetic interference during PCB fabrication.

Industry Applications Driving System-Level Value

Applicable across telecommunications, automotive infotainment, and wearable device sectors, this memory chip fulfills critical roles where speed and reliability are paramount. It integrates seamlessly within embedded computing modules requiring low power yet sustained bandwidth, such as smart meters and AR/VR systems. The deployment of this component through pcb assembly manufacturer capabilities supports scalable production lines where precision and repeatability in pcb solutions are critical. System integrators leveraging custom pcb assembly reduce time-to-market while achieving compliance with industry standards, ensuring their products meet stringent operational benchmarks.

Product Advantages

Design Efficiency and System Integration Benefits

The K3UH7H70BM-AGCLT00 incorporates a compact 200-ball FBGA structure that facilitates high-density mounting crucial for space-constrained designs. Its compatibility with multi-layer PCB layouts complements pcb solutions engineered by advanced pcb assembly manufacturer partners. The integration of power rail segmentation and thermal management features supports modular design approaches, simplifying system-level assembly. As part of coordinated pcb assembly services, the chip design lowers manufacturing complexity while fostering reliable interconnectivity tailored to custom pcb assembly requirements across diverse electronics portfolios.

Performance Reliability Enhancing End-User Value

This LPDDR4X SDRAM excels in delivering ultra-fast data throughput while minimizing power draw, which enhances device battery life and thermal profiles. Compliance with industrial standards and robust signal management mechanisms like Write CRC improve operational reliability in real-world applications. Leveraging pcba services that adhere to strict quality controls ensures each memory module operates consistently within target specifications, reducing field failures and service overhead. For system integrators, these performance advantages translate into higher ROI and customer satisfaction by enabling products to meet rigorous performance and durability criteria.

Key Features

Core Performance

• High Density: 8 Gb (1 GB) capacity, typically organized as 256M x 32 (256 Megawords x 32-bit I/O).
• High Speed: Supports a maximum data transfer rate of 4266 Mbps (PC4-34100 equivalent), enabling ultra-fast data processing for 4K video, AI, and gaming.
• Low Power: Operates on multi-voltage rails (1.8V / 1.1V / 0.6V) with deep power-down modes, significantly reducing power consumption compared to standard LPDDR4. LPDDR4X specifically lowers I/O voltage to 0.6V to save 10-15% power.
• High Bandwidth: Achieves a peak bandwidth of 17.0 GB/s per chip.

Advanced Architecture & Reliability

• Process Technology: Built on 1y-nm (1J) DRAM process, offering higher density and better performance per watt.
• Signal Integrity:
  • On-Die Termination (ODT): Integrated ODT improves signal quality by matching impedance.
  • Write CRC & Parity: Features Write Cyclic Redundancy Check and parity checking for command/address buses to enhance reliability.
• Refresh Management: Supports Temperature Compensated Self-Refresh (TCSR) and Auto Self-Refresh (ASR) to optimize power based on temperature.
• Training Features: Supports Write Leveling and Read Leveling for fly-by topology to compensate for signal skew.

Package & Environmental Specifications

• Package: 200-ball FBGA with a fine pitch (typically 0.5mm or 0.65mm). Compact footprint suitable for high-density mobile PCBs.
• Temperature Range: Commercial Grade: -25°C to +85°C.
• RoHS Compliant: Lead-free and halogen-free.

Typical Specification Table

Typical Applications

• Flagship Smartphones & Tablets:
  • Used as the main system memory (often paired with another 8Gb chip for 2GB/4GB total) in high-end models like the Vivo S12. Supports 4K video recording and heavy multitasking.
• VR/AR Headsets:
  • Found in devices like the PICO 4 VR headset. The high bandwidth and low power consumption are critical for rendering high-resolution video and maintaining low latency in wireless standalone devices.
• Automotive Electronics:
  • Advanced Infotainment & ADAS: Handles high-speed sensor data processing and runs complex navigation/media software in car dashboards.
• AI Edge Devices:
  • Provides high-speed memory for AI model parameters and real-time inference in smart cameras and drones.

Development & Design Notes

1. PCB Layout:
   • Impedance Control: Strict control of 50Ω single-ended impedance for DQ/DQS signals and 100Ω differential impedance for CK/CA signals is mandatory for 4266 Mbps speeds.
   • Length Matching: Data lines (DQ) must be length-matched to the Strobe (DQS) within ±5mil. Address/Command lines must be matched to the Clock.
   • Layer Stack-up: Recommended 8-layer or 10-layer board with solid ground planes adjacent to signal layers to minimize crosstalk.
2. Power Integrity:
   • LPDDR4X is sensitive to noise. Place decoupling capacitors (0.1µF, 1µF, 10µF) as close as possible to the VDD/VDDQ/VDD2 pins.
   • Strict Power Sequencing: 1.8V (VDDQ) -> 1.1V (VDD2) -> 0.6V (VDD) must be followed to prevent latch-up.
3. Thermal Management:
   • Although power consumption is low, heat is generated during high-speed bursts. Use thermal vias under the FBGA package connected to internal ground planes or top-layer heat spreaders.
4. Initialization:
   • The memory controller must execute a strict power-up sequence, including ZQ calibration (impedance matching) and write/read leveling training, to ensure stable operation.
5. Migration:
   • For new designs, consider the pin-compatible or functional successor K3UH7H70AM-AGCL or migrate to the K3K series (LPDDR5) for higher bandwidth (>6400 Mbps) and better power efficiency.