K4B4G1646D-BYMA0 - 4Gb DDR3L SDRAM x16 96FBGA | Samsung
MPN: K4B4G1646D-BYMA0 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $10.32 | $10.32 |
| 10 | $9.5 | $95.00 |
| 100 | $8.75 | $875.00 |
| 500 | $8 | $4,000.00 |
| 1,000 | $7.5 | $7,500.00 |
Drop-in alternatives for K4B4G1646D-BYMA0 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
K4B4G1646E-BYMA
β Drop-Inβ 99,999 In Stock
$11.5 / Unit
View Datasheet βK4B4G1646D-BYK0
β Drop-Inπ Reference alternative (not in catalog)
K4B4G1646D-BCMA
β Drop-Inπ Reference alternative (not in catalog)
MT41K512M16HA-125
β Drop-Inπ Reference alternative (not in catalog)
H5TQ4G63CFR-PBC
β Drop-Inπ Reference alternative (not in catalog)
AS4C256M16D3LC-10BCN
β Drop-Inπ Reference alternative (not in catalog)
K4B4G1646D-BYMA0 Maximum Ratings & Electrical Characteristics
| Memory Type | DDR3L SDRAM |
| Organization | 256M x 16 |
| Total Memory Size | 4 Gb |
| Supply Voltage | 1.35 V |
| Data Rate | 1866 Mbps (PC3-14900) |
| Package | 96-ball FBGA |
| Operating Temperature Range | 0Β°C to +85Β°C |
| Lead-Free | Yes |
| Halogen-Free | Yes |
| RoHS Compliant | Yes |
| Auto Precharge | Supported |
| Asynchronous Reset | Supported |
| ZQ Calibration | Supported |
| Data Mask | Supported |
| Dynamic On-Chip Termination | Supported |
K4B4G1646D-BYMA0 Pin Configuration
| Pin A1 | VDD β Power supply |
| Pin A2 | DQ0 β Data input/output 0 |
| Pin A3 | DQ1 β Data input/output 1 |
| Pin A4 | VSS β Ground |
| Pin B1 | DQ2 β Data input/output 2 |
| Pin B2 | DQ3 β Data input/output 3 |
| Pin B3 | VDDQ β I/O power supply |
| Pin B4 | DQ4 β Data input/output 4 |
| Pin C1 | DQ5 β Data input/output 5 |
| Pin C2 | DQ6 β Data input/output 6 |
| Pin C3 | DQ7 β Data input/output 7 |
| Pin C4 | VSS β Ground |
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
K4B4G1646D-BYMA0 is suitable for 6 applications: Server Memory, Networking Equipment, Industrial PCs, Embedded Systems, Consumer Electronics, Automotive Infotainment.
Server Memory
The K4B4G1646D-BYMA0 provides high-density, low-power memory for servers, enabling efficient data processing and reduced energy costs. Its 1866 Mbps data rate and 1.35V operation make it ideal for cloud computing and data centers where power efficiency is critical. The 4Gb capacity supports large workloads, and the FBGA package ensures reliable performance in dense server boards.
Recommended
Networking Equipment
In networking equipment such as routers and switches, the K4B4G1646D-BYMA0 offers fast data buffering and low latency. Its high data rate and 1.35V operation reduce power consumption, which is crucial for always-on network devices. The auto precharge and ODT features improve signal integrity, ensuring reliable data transmission in high-speed network interfaces.
Recommended
Industrial PCs
Industrial PCs require robust memory that can operate in harsh environments. The K4B4G1646D-BYMA0's 0Β°C to +85Β°C temperature range and lead-free, halogen-free construction make it suitable for industrial applications. Its 4Gb capacity and 1866 Mbps speed support demanding industrial control and automation tasks, while the FBGA package provides durability.
Recommended
Embedded Systems
For embedded systems, the K4B4G1646D-BYMA0 offers a balance of performance and power efficiency. Its 1.35V operation extends battery life in portable devices, and the 4Gb capacity supports complex applications like real-time data processing. The small FBGA package is ideal for space-constrained designs, and the ZQ calibration feature ensures accurate on-die termination.
Recommended
Consumer Electronics
In consumer electronics like smart TVs and set-top boxes, the K4B4G1646D-BYMA0 provides high-speed memory for smooth multimedia playback. Its 1866 Mbps data rate handles 4K video streams, while 1.35V operation reduces heat and power consumption. The RoHS compliance makes it suitable for consumer products sold globally.
Recommended
Automotive Infotainment
The K4B4G1646D-BYMA0 is used in automotive infotainment systems for navigation, audio, and video processing. Its 1.35V operation reduces power draw from the vehicle's electrical system, and the 4Gb capacity supports complex user interfaces. The FBGA package withstands vibration and temperature variations, making it reliable for automotive environments.
Recommended
Recommended Products Summary
Engineering reference data for K4B4G1646D-BYMA0 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | K4B4G1646E-BYMA | MT41K512M16HA-125 | H5TQ4G63CFR-PBC |
|---|---|---|---|---|
| Package | 96-ball FBGA | 96-ball FBGA | 96-ball FBGA | 96-ball FBGA |
| Brand | Samsung Electronics | Samsung Electronics | Micron Technology | SK Hynix |
| Memory Size | 4 Gb | 4 Gb | 4 Gb | 4 Gb |
| Organization | 256M x 16 | 256M x 16 | 256M x 16 | 256M x 16 |
| Supply Voltage | 1.35 V | 1.35 V | 1.35 V | 1.35 V |
| Data Rate | 1866 Mbps | 1866 Mbps | 1866 Mbps | 1866 Mbps |
| Operating Temperature | 0Β°C to +85Β°C | 0Β°C to +95Β°C | 0Β°C to +95Β°C | 0Β°C to +95Β°C |
| RoHS Compliant | Yes | Yes | Yes | Yes |
Key Differentiators
- Low voltage operation (1.35V) (vs Standard DDR3 (1.5V))
- High data rate (1866 Mbps) (vs K4B4G1646D-BYK0 (1600 Mbps))
- Enhanced temperature range (vs K4B4G1646D-BYK0 (0Β°C to +85Β°C))
Design Notes
Place decoupling capacitors (0.1uF and 1uF) close to each VDD and VDDQ pin to minimize power supply noise. Use a solid ground plane and ensure the ZQ pin is connected to a 240-ohm resistor to ground for proper calibration. Follow the layout guidelines in the datasheet to maintain signal integrity at 1866 Mbps.
The K4B4G1646D-BYMA0 operates up to +85Β°C. Ensure adequate airflow or heatsinking in high-temperature environments. The FBGA package has a thermal resistance that should be considered; refer to the datasheet for theta_JA values. For industrial applications, monitor the junction temperature to avoid exceeding the maximum rating.
At 1866 Mbps, signal integrity is critical. Use controlled impedance traces (typically 50 ohms single-ended, 100 ohms differential) and minimize trace length mismatches. Implement proper termination and use the dynamic ODT feature to reduce reflections. Simulate the memory bus to verify timing margins.
Compliance Information
RoHS compliant and lead-free per datasheet. Halogen-free. No AEC-Q100 qualification for this memory component.
