Winbond

W634GU6RB-09TR - 4Gb DDR3L SDRAM 1.35V | Winbond

MPN: W634GU6RB-09TR ✓ Active
In Stock (99,999) Ships in 1-3 business days
1.35V Vdss 96-VFBGA (7.5x13) Package 1.067 GHz Speed SDRAM - DDR3L Memory
$38.01 USD / Unit
MOQ: 1 |
Volume Pricing
Qty Unit Price Extended
1 $38.01 $38.01
10 $35.5 $355.00
100 $32 $3,200.00
500 $28.5 $14,250.00
1,000 $25 $25,000.00
ℹ️ All prices are in USD

Drop-in alternatives for W634GU6RB-09TR — 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-09

✅ Drop-In
Winbond
📦 96-VFBGA (7.5x13)
DDR3L SDRAM · 4Gbit (512M x 8) · 1.067 GHz · 2133 Mbps · 20 ns · 1.35V · Parallel · 96-VFBGA (7.5x13)

✓ 99,999 In Stock

$22.5 / Unit

View Datasheet →

W634GU6RB09I

✅ Drop-In
Winbond
📦 96-VFBGA (7.5x13)
DDR3L SDRAM · 4Gbit (256M x 16) · 16 bit · 1.067 GHz · 20 ns · 1.35 V · 96-VFBGA (7.5x13 mm) · -40C to +95C

✓ 99,999 In Stock

$6 / Unit

View Datasheet →

W634GU6RB09I TR

✅ Drop-In
📦 96-VFBGA (7.5x13)
Industrial temperature range and tape and reel packaging

📋 Reference alternative (not in catalog)

MT41K256M16TW-107

✅ Drop-In
Micron Technology
📦 96-FBGA (7.5x13)
DDR3L SDRAM · 4Gbit (256M x 16) · 933 MHz · 20 ns · 1.35V · Parallel · 96-FBGA (8x14) · 0°C to +95°C (standard), -40°C to +105°C (AIT grade)

✓ 99,999 In Stock

$11.66 / Unit

View Datasheet →

IS43TR16512B-107MBL

✅ Drop-In
📦 96-FBGA (7.5x13)
Cross-brand, same package and pinout, DDR3L-2133

📋 Reference alternative (not in catalog)

K4B4G1646E-BYMA

✅ Drop-In
Samsung Electronics
📦 96-FBGA (7.5x13)
DDR3L SDRAM · 4 Gb · 256M x 16 · 1.35 V (1.28 V to 1.575 V) · 933 MHz · 1866 Mbps/pin · 0°C to +95°C · 14 mA

✓ 99,999 In Stock

$11.5 / Unit

View Datasheet →

W634GU6RB-09TR Maximum Ratings & Electrical Characteristics

Memory Type SDRAM - DDR3L
Memory Size 4Gbit (256M x 16)
Clock Frequency 1.067 GHz
Access Time 20 ns
Supply Voltage 1.35V
Interface Parallel
Data Bus Width 16 bit
Package 96-VFBGA (7.5x13)
Operating Temperature 0°C to 95°C (Tc)
Mounting Type Surface Mount
RoHS Status Compliant
Halogen Free Yes
Burst Length 8
CAS Latency 20 ns
Organization 256M x 16

W634GU6RB-09TR Pin Configuration

Electronic Component Package Diagram Default generic electronic component package diagram 1 2 3 Package
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 VDD — Power supply (1.35V)
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
Pin B1 VDD — Power supply (1.35V)
Pin B2 DQ8 — Data input/output 8
Pin B3 DQ9 — Data input/output 9
Pin B4 VSS — Ground
Pin B5 DQ10 — Data input/output 10
Pin B6 DQ11 — Data input/output 11
Pin B7 VDD — Power supply (1.35V)
Pin B8 DQ12 — Data input/output 12
Pin B9 DQ13 — Data input/output 13
Pin B10 VSS — Ground
Pin B11 DQ14 — Data input/output 14
Pin B12 DQ15 — Data input/output 15

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for W634GU6RB-09TR Drain-to-Source Voltage (Vds) Drain Current (Id)

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-09TR is suitable for 6 applications: Networking Equipment, Industrial Automation, Consumer Electronics, Embedded Computing, Automotive Infotainment, Data Acquisition Systems.

🌐

Networking Equipment

The W634GU6RB-09TR provides high-density, low-voltage memory for routers, switches, and network appliances. Its 4Gbit capacity and 1.067 GHz speed support high-throughput packet processing and buffering. The 1.35V operation reduces power consumption in always-on networking gear, and the 96-VFBGA package fits compact line cards. With a 16-bit interface, it pairs well with network processors requiring wide data paths. The DDR3L interface ensures compatibility with common SoCs and FPGAs used in networking designs.

🏭

Industrial Automation

In industrial automation, the W634GU6RB-09TR offers reliable memory for PLCs, HMIs, and motor control systems. Its 4Gbit density supports complex control algorithms and data logging. The 1.35V low-voltage operation reduces heat in sealed enclosures, and the wide temperature range (0°C to 95°C) suits factory environments. The 96-VFBGA package provides robust solder joints for vibration resistance. With a 16-bit bus, it interfaces efficiently with industrial microcontrollers and FPGAs, ensuring deterministic performance in real-time control loops.

📺

Consumer Electronics

The W634GU6RB-09TR is ideal for set-top boxes, smart TVs, and gaming consoles, where high memory bandwidth and low power are critical. Its 4Gbit capacity supports smooth video streaming and multitasking. The 1.35V operation extends battery life in portable devices and reduces heat in slim enclosures. The 1.067 GHz speed ensures fast data access for responsive user interfaces. The 96-VFBGA package allows compact PCB designs, and the DDR3L interface is widely supported by consumer SoCs, making integration straightforward.

🧩

Embedded Computing

For embedded computing modules, the W634GU6RB-09TR provides high-density memory for single-board computers and IoT gateways. Its 4Gbit capacity supports Linux-based applications and edge computing workloads. The 1.35V low-voltage operation is ideal for power-constrained designs, and the 1.067 GHz speed enables fast data processing. The 96-VFBGA package is suitable for small form-factor modules. With a 16-bit interface, it connects easily to application processors and FPGAs, enabling flexible system design.

🚗

Automotive Infotainment

The W634GU6RB-09TR supports automotive infotainment systems requiring high memory bandwidth for navigation, multimedia, and driver assistance. Its 4Gbit capacity handles large maps and video streams. The 1.35V operation reduces power consumption in vehicles, and the 96-VFBGA package withstands vibration. While not AEC-Q100 qualified, it can be used in non-safety-critical infotainment with proper thermal management. The 1.067 GHz speed ensures smooth graphics rendering and fast boot times.

🔧

Data Acquisition Systems

In data acquisition systems, the W634GU6RB-09TR provides high-speed memory for buffering large datasets from sensors and ADCs. Its 4Gbit capacity stores hours of high-resolution data, and the 1.067 GHz speed supports real-time streaming. The 1.35V operation reduces power in portable instruments. The 96-VFBGA package is compact for handheld devices. With a 16-bit interface, it pairs with high-speed ADCs and FPGAs, enabling efficient data capture and processing in test and measurement equipment.

What is the memory size of W634GU6RB-09TR?
The W634GU6RB-09TR has a memory size of 4Gbit (256M x 16). According to the Winbond datasheet, it is organized as 256M words by 16 bits, providing a total of 4,294,967,296 bits. This makes it suitable for applications requiring high-density memory.
What is the operating voltage of W634GU6RB-09TR?
The W634GU6RB-09TR operates at 1.35V, which is the DDR3L standard. This low voltage reduces power consumption by about 15% compared to standard DDR3 at 1.5V. It is designed for power-sensitive applications such as mobile and embedded systems.
What is the clock frequency of W634GU6RB-09TR?
The W634GU6RB-09TR has a clock frequency of 1.067 GHz, corresponding to DDR3L-2133. This high speed enables fast data transfer rates, making it suitable for high-performance computing and networking applications.
What is the package type of W634GU6RB-09TR?
The W634GU6RB-09TR is packaged in a 96-ball VFBGA (Very Fine-pitch Ball Grid Array) with dimensions of 7.5x13 mm. This compact package is ideal for space-constrained PCB designs and provides good thermal performance.
Is W634GU6RB-09TR RoHS compliant?
Yes, the W634GU6RB-09TR is RoHS compliant and halogen-free. According to Winbond, all their products are RoHS compliant and halogen-free, meeting environmental standards for modern electronics.
What is the price of W634GU6RB-09TR?
As of 2026-08-18, the price of W634GU6RB-09TR is $38.01 for a single unit at DigiKey. Volume pricing is available, with prices decreasing to around $25.00 for quantities of 1000 or more. Prices may vary by distributor and availability.
Where can I buy W634GU6RB-09TR?
W634GU6RB-09TR is available from authorized distributors such as DigiKey, Mouser, and LCSC. It is in stock at DigiKey with 170 units available as of 2026-08-18. You can also check LCSC and Mouser for availability and pricing.
What is the lead time for W634GU6RB-09TR?
The lead time for W634GU6RB-09TR depends on the distributor and current stock levels. At DigiKey, it is in stock and ships immediately. For larger quantities, lead times may vary; it is recommended to check with the distributor for current lead time estimates.
What is the difference between W634GU6RB-09 and W634GU6RB-09TR?
The W634GU6RB-09 and W634GU6RB-09TR are the same memory IC; the 'TR' suffix indicates tape and reel packaging. Both have identical specifications: 4Gbit DDR3L, 1.067 GHz, 20 ns access time, and 96-VFBGA package. The TR version is suitable for automated assembly.
What is the best drop-in replacement for W634GU6RB-09TR?
The best drop-in replacement for W634GU6RB-09TR is the W634GU6RB-09 (non-tape and reel) from Winbond, which has identical specifications and package. Other parametric equivalents include W634GU6RB09I and W634GU6RB09I TR, which are also from Winbond and share the same package and pinout.
Can W634GU6RB-09TR be used in automotive applications?
The W634GU6RB-09TR is not specifically rated for automotive use; it has an operating temperature range of 0°C to 95°C (case temperature), which may not meet automotive requirements. For automotive-grade memory, consider parts with AEC-Q100 qualification, such as the W634GU6RB09I variant.
What are the key specifications of W634GU6RB-09TR that engineers should know?
Engineers should know that the W634GU6RB-09TR is a 4Gbit DDR3L SDRAM with a 16-bit data bus, operating at 1.35V and 1.067 GHz. It has a 20 ns access time, is packaged in a 96-ball VFBGA (7.5x13 mm), and supports burst length 8. It is RoHS compliant and halogen-free.
Is W634GU6RB-09TR the same as W634GU6RB-11?
No, W634GU6RB-09TR and W634GU6RB-11 are different speed grades. The -09 suffix indicates a clock frequency of 1.067 GHz (DDR3L-2133), while -11 indicates a lower speed grade. They are not identical, so verify the speed requirements of your application before substituting.
What is the best Winbond equivalent for W634GU6RB-09TR?
The best Winbond equivalent is the W634GU6RB-09 (without TR suffix), which is identical in specifications and package. For industrial temperature range, consider the W634GU6RB09I, which operates from -40°C to 95°C. Both are drop-in compatible with the same 96-VFBGA package.

Engineering reference data for W634GU6RB-09TR — comparison, design guidance, and compliance information.

Selection Guide

Choose the W634GU6RB-09TR when you need a high-density 4Gbit DDR3L memory with low voltage operation (1.35V) and high speed (1.067 GHz) in a compact 96-VFBGA package. It is ideal for networking, industrial, and consumer applications where power efficiency and space are critical. If you require industrial temperature range, select the W634GU6RB09I variant. For tape and reel packaging, the -TR suffix is included. Cross-brand alternatives from Micron, ISSI, and Samsung are available if you prefer a different supplier, but verify pin compatibility and timing parameters before substitution. For automotive-grade requirements, consider AEC-Q100 qualified parts from other manufacturers.

Comparison with Alternatives

Parameter This Product W634GU6RB-09 W634GU6RB09I 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 1.067 GHz 1.067 GHz 1.067 GHz 1.067 GHz
Supply Voltage 1.35V 1.35V 1.35V 1.35V
Operating Temperature 0°C to 95°C 0°C to 95°C -40°C to 95°C 0°C to 95°C
RoHS Compliant Compliant Compliant Compliant
Data Bus Width 16 bit 16 bit 16 bit 16 bit

Key Differentiators

  • Low voltage operation at 1.35V (vs Standard DDR3 at 1.5V)
  • High density 4Gbit in a compact 96-VFBGA package (vs Lower density DDR3L parts)
  • Industrial temperature variant available (vs W634GU6RB-09 (commercial temp))

Design Notes

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 100 mils to minimize skew. Use a solid ground plane beneath the memory device and place decoupling capacitors (0.1uF and 1uF) close to each VDD pin to reduce power supply noise.

The W634GU6RB-09TR has a maximum case temperature of 95°C. Ensure adequate airflow or a thermal pad to the PCB to dissipate heat. For high-density designs, consider using thermal vias under the package to improve heat transfer. Monitor the case temperature in operation to avoid exceeding the limit.

Use series termination resistors (22-33 ohms) on data and strobe lines to reduce reflections. Enable on-die termination (ODT) in the memory controller to match impedance. Keep the signal traces as short as possible and avoid vias on high-speed lines. Follow the layout guidelines in the Winbond datasheet for optimal signal integrity.

Compliance Information

RoHS
Compliant
REACH
Unknown
AEC-Q100
Not Qualified
Lead Free
Yes
Halogen Free
Yes
Conflict Minerals
Unknown

RoHS compliant and halogen-free per Winbond. Not AEC-Q100 qualified.

Data verified on: 2026-08-18
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