W634GU6RB12I - 4Gb DDR3L SDRAM x16 800MHz | Winbond
MPN： W634GU6RB12I ✓ 啟用中W634GU6RB12I 概覽
DDR3L (Double Data Rate 3 Low Voltage) is a type of synchronous dynamic random-access memory (SDRAM) that operates at 1.35V, reducing power consumption by about 20% compared to standard DDR3 (1.5V). It is part of the DDR3 family, which uses double data rate signaling to transfer data on both edges of the clock, achieving high bandwidth. DDR3L is commonly used in computing, networking, and embedded systems where power efficiency is critical.
Key features include a parallel interface with 800MHz clock speed, 20ns row cycle time, and support for industrial temperature grades. The device is RoHS compliant and halogen-free, meeting environmental standards. The 96-ball VFBGA package offers a compact footprint suitable for space-constrained designs.
The W634GU6RB12I utilizes advanced DRAM process technology, providing reliable performance with low power consumption. It supports standard DDR3L features such as on-die termination (ODT), programmable CAS latency, and burst lengths of 8. The industrial temperature grade ensures operation in harsh environments.
Typical applications include industrial automation, networking equipment, embedded computing, and automotive infotainment systems. Its high density and low power make it suitable for memory-intensive tasks in these domains.
When designing with this device, ensure proper decoupling and signal integrity practices are followed, as high-speed memory interfaces require careful PCB layout to minimize noise and reflections.
直接替換替代品，適用於 W634GU6RB12I — 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： W634GU6RB12I （相同外形與佔位） — 差異在於 Package, Operating Temperature, Data Rate, CAS Latency, Memory Type.
W634GU6RB12J
✅ 直接替換聯絡詢價
查看資料表 →W634GU6RB-12
✅ 直接替換聯絡詢價
查看資料表 →W634GU6RB11I
✅ 直接替換聯絡詢價
查看資料表 →W634GU6RB-11
✅ 直接替換✗ 缺貨
$13.5227 / 單位
查看資料表 →W634GU6RB09I
✅ 直接替換聯絡詢價
查看資料表 →MT41K256M16HA-125IT:E
✅ 直接替換 ⚠️ 規格未經驗證✓ 有庫存
$4.5 / 單位
查看資料表 →IS43TR16256A-125KBL
✅ 直接替換 ⚠️ 規格未經驗證✗ 缺貨
$19.0909 / 單位
查看資料表 →NT5CC256M16DP-DI
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →W634GU6RB12I 最大額定值與電氣特性
| 記憶體類型 | DDR3L SDRAM |
| 記憶體容量 | 4Gbit (256M x 16) |
| 資料速率 | 800 MHz (DDR3L-1600) |
| 供應電壓 | 1.35V |
| Row Cycle Time (tRC) | 20 ns |
| 封裝 | 96-VFBGA (7.5x13mm) |
| 工作溫度 | -40°C to +95°C (TCASE) |
| 介面 | Parallel |
| 安裝類型 | Surface Mount |
| RoHS 狀態 | Compliant |
| 無鹵素 | Yes |
| Speed Grade | -12I (DDR3L-1600 11-11-11) |
| 組織 | 256M x 16 |
| CAS 延遲 | 11 |
| Burst Length | 8 |
W634GU6RB12I 腳位配置
| 腳位 A1 | VDD — Power supply (1.35V) |
| 腳位 A2 | DQ0 — Data input/output 0 |
| 腳位 A3 | DQ1 — Data input/output 1 |
| 腳位 A4 | VSS — Ground |
| 腳位 B1 | DQ2 — Data input/output 2 |
| 腳位 B2 | DQ3 — Data input/output 3 |
| 腳位 B3 | VDDQ — I/O power supply |
| 腳位 B4 | DQ4 — Data input/output 4 |
| 腳位 C1 | DQ5 — Data input/output 5 |
| 腳位 C2 | DQ6 — Data input/output 6 |
| 腳位 C3 | DQ7 — Data input/output 7 |
| 腳位 C4 | VSS — Ground |
| 腳位 D1 | DQS0 — Data strobe 0 |
| 腳位 D2 | DQS0# — Data strobe 0 complement |
| 腳位 D3 | VDD — Power supply |
| 腳位 D4 | DM0 — Data mask 0 |
典型應用
W634GU6RB12I 適用於 6 應用s: Industrial Automation, Networking Equipment, Embedded Computing, Automotive Infotainment, Medical Devices, Test and Measurement.
Industrial Automation
The W634GU6RB12I provides high-density, low-power memory for industrial controllers and PLCs. Its industrial temperature range (-40°C to +95°C) ensures reliable operation in factory environments. The 800MHz data rate supports fast data processing for real-time control loops, while the 1.35V operation reduces heat generation in sealed enclosures. With 4Gbit capacity, it can store large program and data buffers for complex automation tasks.
推薦
Networking Equipment
In routers, switches, and network appliances, the W634GU6RB12I offers high bandwidth and low latency for packet buffering and forwarding tables. The DDR3L-1600 speed ensures quick access to routing data, while the 4Gbit density supports large lookup tables. The 1.35V operation is ideal for power-constrained networking devices, and the industrial temperature grade allows deployment in uncontrolled environments like remote telecom cabinets.
推薦
Embedded Computing
The W634GU6RB12I is suitable for embedded computing modules, single-board computers, and edge AI devices. Its 4Gbit capacity provides ample memory for operating systems and applications, while the 800MHz data rate ensures responsive performance. The compact 96-VFBGA package saves PCB space, and the industrial temperature range supports outdoor and rugged deployments. Low power consumption extends battery life in portable embedded systems.
推薦
Automotive Infotainment
In automotive infotainment systems, the W634GU6RB12I provides reliable memory for navigation, multimedia, and connectivity features. The industrial temperature range (-40°C to +95°C) meets automotive requirements, and the 1.35V operation reduces power draw from the vehicle's electrical system. The 4Gbit density supports large map databases and media buffers, while the 800MHz speed enables smooth graphics rendering and fast boot times.
推薦
Medical Devices
The W634GU6RB12I is used in medical imaging, patient monitoring, and diagnostic equipment where reliable memory is critical. Its industrial temperature range ensures operation in clinical environments, and the low power consumption is beneficial for battery-powered portable devices. The 4Gbit capacity supports high-resolution image storage and real-time signal processing, while the 800MHz data rate enables fast data acquisition and analysis.
推薦
Test and Measurement
In oscilloscopes, logic analyzers, and signal generators, the W634GU6RB12I provides high-speed data buffering for waveform capture and analysis. The 800MHz data rate supports high-bandwidth sampling, while the 4Gbit density allows long recording times. The industrial temperature range ensures accuracy in lab and field environments, and the low power consumption reduces heat in benchtop instruments.
推薦
推薦產品摘要
工程參考資料，適用於 W634GU6RB12I — 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 | W634GU6RB12J | W634GU6RB-12 | MT41K256M16HA-125IT:E |
|---|---|---|---|---|
| Package | 96-VFBGA (7.5x13mm) | 96-VFBGA (7.5x13mm) | 96-VFBGA (7.5x13mm) | 96-FBGA (9x13mm) |
| Brand | Winbond Electronics | Winbond Electronics | Winbond Electronics | Micron Technology |
| Memory Size | 4Gbit | 4Gbit | 4Gbit | 4Gbit |
| Data Rate | 800MHz (DDR3L-1600) | 800MHz (DDR3L-1600) | 800MHz (DDR3L-1600) | 800MHz (DDR3L-1600) |
| Supply Voltage | 1.35V | 1.35V | 1.35V | 1.35V |
| Operating Temperature | -40°C to +95°C | -40°C to +105°C | 0°C to +85°C | -40°C to +95°C |
| CAS Latency | 11 | 11 | 11 | 11 |
| RoHS Compliant | Yes | Yes | Yes | Yes |
主要差異化特點
- Industrial temperature range up to +95°C (對比W634GU6RB-12)
- DDR3L-1600 speed grade (對比W634GU6RB11I)
- Low power 1.35V operation (對比MT41K256M16HA-125IT:E)
設計說明
For high-speed DDR3L signals, maintain controlled impedance of 40-50 ohms for data lines and 50-60 ohms for address/command lines. Keep trace lengths matched within +/- 20 mils for DQ/DQS groups. Use a solid ground plane beneath the memory device and minimize vias to reduce signal reflections.
Decouple the VDD and VDDQ pins with 0.1uF and 1uF ceramic capacitors placed as close to the balls as possible. Use a 10uF bulk capacitor on the VDD rail. Ensure the power supply can handle transient currents during read/write operations, which can exceed 1A.
The industrial temperature grade allows operation up to +95°C case temperature. Ensure adequate airflow or heatsinking in high-ambient environments. The VFBGA package has a thermal resistance of approximately 20°C/W; calculate junction temperature to stay within limits.
合規資訊
RoHS compliant and halogen-free per Winbond product page. REACH and conflict minerals status not specified in provided data.
