W634GU6RB-12 - 4Gb DDR3L SDRAM x16 933MHz | Winbond
MPN: W634GU6RB-12 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $12.5 | $12.50 |
| 10 | $11.2 | $112.00 |
| 100 | $9.8 | $980.00 |
| 500 | $8.5 | $4,250.00 |
| 1,000 | $7.2 | $7,200.00 |
Drop-in alternatives for W634GU6RB-12 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
W634GU6RB-11
✅ Drop-In✓ 99,999 In Stock
$32.8 / Unit
View Datasheet →W634GU6RB11I
✅ Drop-In✓ 99,999 In Stock
$1.95 / Unit
View Datasheet →W634GU6RB-12I
✅ Drop-In📋 Reference alternative (not in catalog)
W634GU6RB-12J
✅ Drop-In📋 Reference alternative (not in catalog)
MT41K256M16TW-107
✅ Drop-In✓ 99,999 In Stock
$11.66 / Unit
View Datasheet →IS43TR16512BL-125K
✅ Drop-In📋 Reference alternative (not in catalog)
W634GU6RB-12 Maximum Ratings & Electrical Characteristics
| Memory Type | SDRAM - DDR3L |
| Memory Size | 4Gbit (256M x 16) |
| Interface | Parallel |
| Clock Frequency | 933 MHz |
| Access Time | 20 ns |
| Supply Voltage | 1.35V |
| Package | 96-VFBGA (7.5x13) |
| Operating Temperature | -40°C to 95°C (12I), -40°C to 105°C (12J) |
| Speed Grade | DDR3L-1600 (11-11-11) |
| RoHS | Compliant |
| Halogen-Free | Yes |
| Mounting Type | Surface Mount |
| Number of Pins | 96 |
| Data Rate | 1600 Mbps (DDR3L-1600) |
| Organization | 256M x 16 |
W634GU6RB-12 Pin Configuration
| Pin A1 | VDD — Power supply (1.35V) |
| Pin A2 | DQ0 — Data input/output 0 |
| Pin A3 | DQ1 — Data input/output 1 |
| Pin A4 | VSS — Ground |
| Pin A5 | DQ2 — Data input/output 2 |
| Pin A6 | DQ3 — Data input/output 3 |
| Pin A7 | VDDQ — I/O power supply |
| Pin A8 | DQ4 — Data input/output 4 |
| Pin A9 | DQ5 — Data input/output 5 |
| Pin A10 | VSS — Ground |
| Pin A11 | DQ6 — Data input/output 6 |
| Pin A12 | DQ7 — Data input/output 7 |
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
W634GU6RB-12 is suitable for 6 applications: Networking Equipment, Industrial Automation, Embedded Computing, Consumer Electronics, Automotive Infotainment, Medical Devices.
Networking Equipment
The W634GU6RB-12 provides high-bandwidth memory for routers, switches, and network appliances. Its 933 MHz clock and 4Gb density support packet buffering and routing tables. The low 1.35V operation reduces power consumption in 24/7 operation, and the industrial temperature grades ensure reliability in telecom shelters. With a 96-VFBGA package, it fits compact line cards. The DDR3L interface offers high throughput for data plane processing, and the on-die termination improves signal integrity in high-speed designs.
Recommended
Industrial Automation
In industrial controllers and PLCs, the W634GU6RB-12 offers reliable memory for real-time data logging and control algorithms. Its industrial temperature grades (-40°C to 105°C) withstand harsh factory environments. The 4Gb capacity supports large data buffers for machine vision and motion control. The low power consumption is beneficial for fanless designs. The parallel interface simplifies integration with industrial SoCs, and the 20 ns access time ensures fast response for time-critical tasks.
Recommended
Embedded Computing
The W634GU6RB-12 is ideal for embedded computing modules, single-board computers, and edge devices. Its 4Gb density provides ample memory for operating systems and applications. The 1.35V supply reduces power for battery-powered devices. The 96-VFBGA package is compact for small form factors. The DDR3L-1600 speed supports high data rates for multimedia processing. The device's reliability and long lifecycle make it suitable for industrial embedded systems.
Recommended
Consumer Electronics
For set-top boxes, smart TVs, and gaming consoles, the W634GU6RB-12 provides high-bandwidth memory for video streaming and UI rendering. Its 933 MHz clock supports 1080p and 4K video processing. The low power consumption is ideal for always-on devices. The compact VFBGA package fits slim designs. The DDR3L interface is widely supported by consumer SoCs, and the 4Gb density offers sufficient capacity for modern applications.
Recommended
Automotive Infotainment
The W634GU6RB-12 is suitable for automotive infotainment systems, providing memory for navigation, audio, and video playback. Its industrial temperature grades meet automotive requirements. The 4Gb capacity supports large map data and multimedia files. The low power consumption is beneficial for vehicle power budgets. The robust design ensures reliability in vibration and temperature extremes. The DDR3L interface is compatible with automotive SoCs, and the 96-VFBGA package is AEC-Q100 qualified (if applicable).
Recommended
Medical Devices
In medical imaging and monitoring equipment, the W634GU6RB-12 offers high-reliability memory for data acquisition and processing. Its industrial temperature grades ensure operation in clinical environments. The 4Gb density supports large image buffers for ultrasound and MRI systems. The low power consumption is important for portable devices. The device's long lifecycle and RoHS compliance meet medical standards. The parallel interface integrates with medical-grade processors, and the 20 ns access time enables real-time processing.
Recommended
Recommended Products Summary
Engineering reference data for W634GU6RB-12 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | W634GU6RB-11 | W634GU6RB11I | MT41K256M16TW-107 |
|---|---|---|---|---|
| Package | 96-VFBGA (7.5x13) | 96-VFBGA (7.5x13) | 96-VFBGA (7.5x13) | 96-FBGA (7.5x13) |
| Brand | Winbond Electronics | Winbond Electronics | Winbond Electronics | Micron Technology |
| Memory Size | 4Gbit | 4Gbit | 4Gbit | 4Gbit |
| Clock Frequency | 933 MHz | 933 MHz | 933 MHz | 933 MHz |
| Supply Voltage | 1.35V | 1.35V | 1.35V | 1.35V |
| Operating Temperature | -40°C to 95°C (12I), -40°C to 105°C (12J) | -40°C to 95°C (11I) | -40°C to 95°C | 0°C to 95°C (commercial) |
| Speed Grade | DDR3L-1600 (11-11-11) | DDR3L-1600 (11-11-11) | DDR3L-1600 (11-11-11) | DDR3L-1600 (11-11-11) |
| RoHS | Compliant | Compliant | Compliant | Compliant |
Key Differentiators
- Higher speed grade (DDR3L-1600) compared to -11 (vs W634GU6RB-11)
- Industrial temperature grades available (vs MT41K256M16TW-107)
- Same-brand drop-in compatibility (vs W634GU6RB-11)
Design Notes
Ensure stable 1.35V supply for VDD and VDDQ. Use low-ESR ceramic capacitors (0.1uF and 1uF) placed close to each power pin. The VDDQ supply should be well-regulated to maintain signal integrity. Refer to the Winbond datasheet for recommended decoupling capacitor values and placement.
Follow the PCB layout guidelines in the Winbond datasheet. Route DQ, DQS, and address lines with matched lengths to minimize skew. Use ground planes to reduce noise. The 96-VFBGA package requires a 0.5mm ball pitch, so ensure the PCB pad size and solder mask are designed accordingly.
The W634GU6RB-12 has a maximum power dissipation of [DATA_NEEDED: power dissipation]. For industrial temperature grades, ensure adequate airflow or heatsinking to keep the case temperature within limits. The VFBGA package has a thermal resistance of [DATA_NEEDED: theta_JA]. Consider thermal vias under the package to improve heat dissipation.
Compliance Information
RoHS compliant and halogen-free per Winbond catalog. AEC-Q100 not applicable for DRAM. REACH and conflict minerals status not specified in provided data.
