W634GU6RB12J - 4Gb DDR3L SDRAM 933MHz | Winbond
MPN: W634GU6RB12J ✓ Hoạt độngW634GU6RB12J Tóm tắt
DDR3L SDRAM is a type of dynamic random-access memory that operates at a lower voltage (1.35V) compared to standard DDR3 (1.5V), reducing power consumption while maintaining high data rates. It is part of the DDR3L memory family, which is widely used in computing, networking, and industrial applications where power efficiency is critical.
Key features include a 4Gbit density, x16 organization, 933 MHz clock speed, and support for the DDR3L-1866 specification. The device offers a burst length of 8 and supports on-die termination (ODT) for improved signal integrity. It operates over a temperature range of -40°C to +105°C (TCASE) for the 12J industrial plus grade, making it suitable for harsh environments.
The W634GU6RB12J utilizes advanced DRAM process technology to achieve high speed and low power. It includes features such as programmable CAS latency, write leveling, and self-refresh modes to optimize performance and power consumption. The 96-ball VFBGA package provides excellent thermal and electrical performance.
Typical applications include embedded systems, networking equipment, industrial automation, and automotive infotainment. The low voltage and high speed make it ideal for power-sensitive designs that require high memory bandwidth.
When designing with this device, ensure proper decoupling and signal integrity practices are followed. The DDR3L interface requires careful PCB layout to minimize crosstalk and maintain signal quality at high speeds.
Bộ thay thế dễ dàng lắp đặt cho W634GU6RB12J — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với W634GU6RB12J (cùng hình factor và footprint) — khác nhau ở Operating Temperature, Package, Supply Voltage, Memory Size, CAS Latency.
W634GU6RB-11
✅ Drop-In✗ Hết hàng
$13.5227 / Đơn vị
Xem tài liệu →W634GU6NB12J
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
W634GU6NB12I
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MT41K256M16TW-107
✅ Drop-In ⚠️ Thông số chưa được xác minh✗ Hết hàng
$14.1 / Đơn vị
Xem tài liệu →IS43TR16512B-15HB
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
W634GU6RB12J Tỷ lệ tối đa & tính chất điện
| Kiểu bộ nhớ | SDRAM - DDR3L |
| Kích thước bộ nhớ | 4Gbit |
| Tổ chức | 256M x 16 |
| Giao diện | Parallel |
| Clock Frequency | 933 MHz |
| Access Time | 20 ns |
| Điện áp cung cấp | 1.35V |
| Hộp | 96-VFBGA (7.5x13) |
| Nhiệt độ hoạt động | -40°C to +105°C (TCASE) |
| Speed Grade | 12J (DDR3L-1866) |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
| Đông trùng haogen | Yes |
| Burst Length | 8 |
| On-Die Termination | Yes |
Cấu hình chân W634GU6RB12J
| Chân A1 | VDD — Power supply |
| Chân A2 | DQ0 — Data input/output 0 |
| Chân A3 | DQ1 — Data input/output 1 |
| Chân A4 | VSS — Ground |
| Chân A5 | DQ2 — Data input/output 2 |
| Chân A6 | DQ3 — Data input/output 3 |
| Chân A7 | VDD — Power supply |
| Chân A8 | DQ4 — Data input/output 4 |
| Chân A9 | DQ5 — Data input/output 5 |
| Chân A10 | VSS — Ground |
| Chân A11 | DQ6 — Data input/output 6 |
| Chân A12 | DQ7 — Data input/output 7 |
Ứng dụng tiêu biểu
W634GU6RB12J phù hợp cho 6 Áp dụngs: Embedded Computing, Networking Equipment, Industrial Automation, Automotive Infotainment, Consumer Electronics, Test and Measurement.
Embedded Computing
The W634GU6RB12J provides high-density, low-power memory for embedded processors and SoCs. Its 4Gbit capacity and 933 MHz speed support demanding applications like real-time data processing and multitasking. The 1.35V operation reduces power consumption, extending battery life in portable systems. The 96-VFBGA package fits compact PCB designs, enabling space-efficient embedded modules.
Được đề xuất
Networking Equipment
In routers, switches, and network appliances, the W634GU6RB12J offers the bandwidth and capacity needed for packet buffering and routing tables. Its 933 MHz clock and 20 ns access time ensure low-latency data transfer. The industrial temperature range (-40°C to +105°C) makes it suitable for outdoor and industrial networking gear. The low 1.35V supply reduces heat generation in dense line cards.
Được đề xuất
Industrial Automation
The W634GU6RB12J is ideal for industrial controllers and PLCs that require reliable memory in harsh environments. Its extended temperature range and RoHS compliance ensure long-term reliability. The 4Gbit capacity supports complex control algorithms and data logging. The parallel interface simplifies integration with industrial SoCs and FPGAs.
Được đề xuất
Automotive Infotainment
The W634GU6RB12J meets the temperature and reliability requirements for automotive infotainment systems. Its 933 MHz speed supports high-resolution displays and audio processing. The 1.35V operation reduces power draw, important for vehicle electrical systems. The 96-VFBGA package withstands vibration and thermal cycling.
Được đề xuất
Consumer Electronics
In smart TVs, set-top boxes, and gaming consoles, the W634GU6RB12J provides the memory bandwidth for smooth multimedia playback. Its low power consumption is ideal for energy-efficient designs. The 4Gbit capacity supports multiple applications simultaneously. The compact package enables slim device designs.
Được đề xuất
Test and Measurement
The W634GU6RB12J is used in oscilloscopes, logic analyzers, and data acquisition systems where high-speed data capture is essential. Its 933 MHz clock and 20 ns access time enable fast data buffering. The industrial temperature range ensures accuracy in varying lab conditions. The low voltage reduces noise in sensitive measurement circuits.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho W634GU6RB12J — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | W634GU6RB-11 | W634GU6NB12J | W634GU6NB12I |
|---|---|---|---|---|
| Package | 96-VFBGA (7.5x13) | 96-VFBGA (7.5x13) | 96-VFBGA (7.5x13) | 96-VFBGA (7.5x13) |
| Brand | Winbond Electronics | Winbond Electronics | Winbond Electronics | Winbond Electronics |
| Memory Size | 4Gbit | 4Gbit | 4Gbit | 4Gbit |
| Clock Frequency | 933 MHz | 933 MHz | 933 MHz | 800 MHz |
| Access Time | 20 ns | 20 ns | 20 ns | 20 ns |
| Supply Voltage | 1.35V | 1.35V | 1.35V | 1.35V |
| Operating Temperature | -40°C to +105°C | -40°C to +105°C | -40°C to +105°C | -40°C to +95°C |
| Speed Grade | 12J (DDR3L-1866) | -11 (DDR3L-1600) | 12J (DDR3L-1866) | 12I (DDR3L-1600) |
Bảo phân biệt quan trọng
- Higher speed grade (DDR3L-1866) compared to -11 variant (vsW634GU6RB-11)
- Extended temperature range up to 105°C (vsW634GU6NB12I)
- Same package and pinout as other Winbond DDR3L variants (vsW634GU6NB12J)
Ghi chú thiết kế
For DDR3L signals, maintain controlled impedance of 40-50 ohms for data lines and 50-60 ohms for address/control lines. Keep trace lengths matched within 100 mils to minimize skew. Use ground planes beneath the memory to reduce noise.
Decouple the VDD pins with 0.1uF and 1uF capacitors placed as close as possible to the device. Use a 10uF bulk capacitor on the power plane. Ensure the 1.35V supply has low ripple (<50mV) to maintain signal integrity.
The W634GU6RB12J can dissipate up to 1.5W under heavy load. Ensure adequate airflow or a thermal pad to keep the case temperature below 105°C. The 96-VFBGA package has a thermal resistance of approximately 20°C/W.
Thông tin tuân thủ
Winbond states all Flash products are Halogen-Free and RoHS compliant. AEC-Q100 not applicable for DRAM.
