W948D6FBHX5I-TR - 256Mb LPDDR 200MHz DRAM | Winbond
料号： W948D6FBHX5I-TR ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
W948D6FBHX5I-TR 概述
Mobile LPDDR SDRAM is a low-power variant of synchronous dynamic random access memory designed for battery-powered and space-constrained systems. Within the memory hierarchy, DRAM sits as fast volatile working memory below SRAM in access latency but far above it in density, making LPDDR the workhorse main-memory technology for portable electronics, embedded processors, and application-specific SoCs.
Key features include the 256Mbit density in a x16 organization, a 200 MHz clock rate (CL=3 latency class), a single 1.8V power supply that reduces dynamic and standby power versus standard 2.5V SDRAM, and the compact 60-ball VFBGA footprint of only 8x9 mm that minimizes PCB area. The I suffix grade supports industrial temperature ranges, and partial-array self-refresh options lower retention current in sleep modes.
Architecturally, the device uses a double-data-rate-style interface with differential clocking, four internal banks, and programmable burst lengths, following Winbond's W948D6 Mobile LPDDR family design. Power-saving modes such as power-down and deep power-down allow aggressive energy management in duty-cycled systems.
Typical applications include portable media players, GPS and navigation devices, industrial HMI panels, embedded Linux/RTOS main memory, and battery-powered data loggers where low standby current matters.
Design consideration: ensure the memory controller supports LPDDR (mobile SDRAM) timing registers, and route the 1.8V rail with clean decoupling since BGA ball access restricts post-layout rework.
This page consolidates distributor pricing, drop-in family alternatives, and practical design notes beyond what the manufacturer datasheet alone provides.
直接替换替代料： W948D6FBHX5I-TR ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： W948D6FBHX5I-TR （相同外形与封装尺寸） ——差异在于 Interface, Memory Type, Organization, Package.
快速对比工具——选择替代料号进行并排对比：
W948D6FBHX5I
✅ 直接替换✓ 有现货
$1.15 / 个
查看数据手册 →W948D6FBHX5G
✅ 直接替换📋 参考替代料（不在目录中）
W948D6FBHX6I
✅ 直接替换📋 参考替代料（不在目录中）
W948D6FBHX5I-TR 最大额定值与电气特性
| 存储器类型 | Mobile LPDDR SDRAM |
| 存储容量 | 256 Mbit |
| 存储组织 | 16M x 16 |
| 接口 | Parallel |
| Clock Frequency | 200 MHz |
| Access Time | 5 ns |
| 电源电压 | 1.8 V |
| Technology | SDRAM - Mobile LPDDR |
| 引脚数 | 60 |
| 封装 | 60-VFBGA (8x9 mm) |
| 安装类型 | Surface Mount |
| Temperature Grade | Industrial (I suffix) |
| Packaging | Tape & Reel (TR) |
| Memory Format | DRAM (volatile) |
W948D6FBHX5I-TR 60-vfbga (8x9 mm) 引脚配置指南
W948D6FBHX5I-TR（60-vfbga (8x9 mm) 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： W948D6FBHX5I-TR.
请参阅 数据手册 以查看完整引脚配置。
典型应用
W948D6FBHX5I-TR 适用于 6 应用s: Portable Media Players, GPS and Navigation Devices, Industrial HMI Panels, Embedded Linux Main Memory, Battery-Powered Data Loggers, Communication and Networking Modules.
Portable Media Players
The W948D6FBHX5I-TR's 256Mbit density, 1.8V supply, and mobile LPDDR power-saving modes make it well suited to portable media players, where framebuffer and codec buffers must fit in a small, low-power memory footprint. At 200 MHz with a 5 ns access time, the x16 interface delivers sufficient bandwidth for audio decoding and small video playback, while self-refresh modes hold data during screen-off states with minimal standby current. The 60-ball VFBGA 8x9 mm package enables very thin player PCBs. Because the part is obsolete, use it for service and repair of existing designs rather than new production.
推荐
GPS and Navigation Devices
GPS receivers and navigation units benefit from the W948D6FBHX5I-TR's low standby power and industrial temperature grading. Map tiles, waypoint tables, and track logs buffer comfortably within the 16M x16 organization, and the 200 MHz clock sustains responsive route recalculation when paired with typical embedded SoCs. The single 1.8V rail simplifies power design in battery and automotive-adjacent 12V systems feeding through a buck converter. Its VFBGA package withstands vibration better than fine-pitch leaded packages, improving reliability in dash-mounted hardware exposed to temperature swings.
推荐
Industrial HMI Panels
Human-machine interface panels in factory equipment require volatile memory for screen buffers and runtime variables, and the W948D6FBHX5I-TR fits this role with its industrial temperature suffix and 200 MHz, 5 ns performance. The 256Mbit capacity supports color TFT frame buffers at moderate resolutions, and the 1.8V LPDDR core keeps panel electronics cool inside sealed enclosures with no forced airflow. Four-bank LPDDR architecture allows interleaved access between the graphics pipeline and the control CPU. For long-life industrial programs, note the obsolete status and plan a second-source qualification.
推荐
Embedded Linux Main Memory
Embedded Linux boards in the 32-bit SoC class commonly pair 256Mbit-class LPDDR with application processors, and the W948D6FBHX5I-TR's 200 MHz mobile SDRAM interface matches the memory controllers of many such SoCs. The 16M x16 organization supports 16- and 32-bit buses with two devices, and programmable burst lengths optimize efficiency for kernel and rootfs loads from NOR/NAND flash. Deep power-down mode allows rapid suspend/resume schemes valued in battery-backed gateways. Validate the controller's LPDDR register programming against the Winbond datasheet during bring-up.
推荐
Battery-Powered Data Loggers
Data loggers that sample sensors for months on primary cells exploit the W948D6FBHX5I-TR's mobile LPDDR power profile: active operation at 1.8V keeps dynamic power low, while self-refresh retains buffered measurement data between burst transfers to nonvolatile storage. The 5 ns access time lets a low-power MCU offload sample FIFOs quickly and return to sleep. The compact 8x9 mm VFBGA fits small loggers for cold-chain, environmental, and asset tracking use, and industrial temperature grading covers outdoor deployments across the full specified range.
推荐
Communication and Networking Modules
Short-range wireless modules and industrial gateways use the W948D6FBHX5I-TR as packet buffer and stack memory. The 200 MHz x16 interface provides the burst bandwidth needed by protocol stacks handling concurrent RF transactions, and 1.8V operation aligns with modern PMIC rails in radios, avoiding an extra converter stage. The VFBGA ball grid improves signal integrity at 200 MHz by shortening lead inductance versus TSOP DRAM, easing 16-bit bus routing on four-layer module PCBs. Its obsolete status warrants a migration plan for new module platforms.
推荐
推荐产品汇总
工程参考数据： W948D6FBHX5I-TR ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | W948D6FBHX5I | W948D6FBHX5G | W948D6FBHX6I |
|---|---|---|---|---|
| Package | 60-VFBGA (8x9 mm) | 60-VFBGA (8x9 mm) - same | 60-VFBGA (8x9 mm) - same | 60-VFBGA family - same package style |
| Brand | Winbond Electronics | Winbond Electronics | Winbond Electronics | Winbond Electronics |
| Memory Size | 256 Mbit | 256 Mbit | 256 Mbit | 256 Mbit |
| Supply Voltage | 1.8 V | 1.8 V | 1.8 V | 1.8 V |
| Packaging Format | Tape & Reel (TR) | Tray | Tray | Tray |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete |
关键差异点
- Tape-and-reel delivery for automated assembly （对比 W948D6FBHX5I)
- Industrial temperature grading （对比 W948D6FBHX5G)
- Documented 200 MHz / 5 ns speed grade （对比 W948D6FBHX6I)
设计说明
The 60-ball VFBGA (8x9 mm) footprint offers no leads for rework, so get the layout right the first time. Fan out the 16-bit data bus with length-matched traces within 50 mil skew for 200 MHz operation, and place the device within 20 mm of the memory controller where possible. Follow the Winbond datasheet ball map exactly and verify the footprint against the mechanical drawing before fab, since BGA pad geometry errors are essentially unrecoverable in the field.
Power the W948D6FBHX5I-TR from a clean 1.8V rail with bulk (10 uF) plus per-ball local (0.1 uF) decoupling placed as close to the BGA vias as the layer stack allows. Observe the datasheet power-up sequence to avoid uncontrolled states, and use a PMIC or supervisor that holds the controller in reset until the rail stabilizes. In self-refresh-heavy applications, budget standby current from the datasheet's mobile LPDDR tables rather than active-mode figures, which are significantly higher.
The most common mistake with this part is treating it as standard SDR SDRAM: it is mobile LPDDR with different register sets, refresh intervals, and temperature-compensated refresh behavior. Ensure your controller supports mobile SDRAM mode registers and partial-array self-refresh. Second, the family is obsolete - do not start new designs without a second-source migration path, and last-time-buy with buffer yield since broker stock can carry mixed date codes requiring incoming inspection.
合规信息
Compliance data not present in the verified web data; request RoHS/REACH certificates from Winbond or the distributor for this obsolete part.
