K4RAH165VB-BCWM - 16Gb DDR5 SDRAM 1.1V | Samsung
MPN: K4RAH165VB-BCWM ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $12.22 | $12.22 |
| 10 | $11.61 | $116.10 |
| 100 | $10.99 | $1,099.00 |
| 500 | $10.44 | $5,220.00 |
| 1,000 | $9.92 | $9,920.00 |
Drop-in alternatives for K4RAH165VB-BCWM — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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K4RAH165VB-BCQK
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View Datasheet →K4RAH165VB-BIWM
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View Datasheet →K4RAH165VB-BIQK
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View Datasheet →K4RAH165VP-BCWM
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View Datasheet →K4RHE165VB-BCWM
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View Datasheet →K4RAH086VB-BCWM
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View Datasheet →K4RAH086VB-BCQK
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View Datasheet →K4RAH165VB-BCWM Maximum Ratings & Electrical Characteristics
| Memory Type | DDR5 SDRAM |
| Memory Size | 16 Gb |
| Memory Organization | 1G x 16 |
| Memory Interface | Parallel |
| Supply Voltage | 1.1 V |
| Max Data Rate (family) | up to 7200 Mbps |
| Operating Temperature | 0C to +85C |
| Package | FBGA-106 |
| Mounting Type | Surface Mount |
| On-die ECC | Yes (DDR5 standard, per family data) |
| Self Refresh | Auto self-refresh |
| Asynchronous Reset | Yes |
| Write Leveling | Yes |
| CRC Function | Yes |
| ZQ Calibration | Yes |
| RoHS Status | Compliant |
| Packaging | Tray |
| Lifecycle Status | Active |
K4RAH165VB-BCWM fbga-106 Pin Configuration Guide
Complete pinout information for K4RAH165VB-BCWM (fbga-106 package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for K4RAH165VB-BCWM.
Refer to the datasheet for full pin configuration.
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
K4RAH165VB-BCWM is suitable for 6 applications: Data Center Server Memory, High-Performance Computing (HPC), Industrial Control Systems, Mobile and Tablet Devices, Embedded and Edge Computing, Test and Measurement / Memory Prototyping.
Data Center Server Memory
The K4RAH165VB-BCWM's 16Gb density and DDR5 bandwidth make it a strong fit for data-center memory subsystems where Samsung DDR5 is widely deployed for long-term availability. Its 1.1V operation cuts per-bit power versus DDR4 - Samsung cites roughly 30% better power efficiency across the DDR5 family - which directly reduces cooling cost in dense server racks. On-die ECC corrects internal single-bit errors transparently, improving reliability at advanced process nodes. The x16 organization suits capacity-optimized modules and client-server UDIMMs, while on-die PMIC partitioning (DDR5 architecture) improves supply integrity per channel.
Recommended
High-Performance Computing (HPC)
For HPC clusters, the K4RAH165VB-BCWM provides the bandwidth foundation of DDR5 - family data rates up to 7,200 Mbps - and the DDR5 dual independent channels per component raise effective concurrency for data-intensive workloads such as simulation and analytics. The 16Gb per-component density enables high-capacity memory node designs with fewer devices per board, improving yield and reducing assembly cost. CRC and write leveling functions maintain signal integrity at high bus speeds, while ZQ calibration keeps output impedance accurate over temperature for stable multi-drop routing.
Recommended
Industrial Control Systems
Industrial systems that require long-term DRAM availability deploy the K4RAH165VB-BCWM, as web sources specifically note Samsung DDR5 usage in industrial systems where extended supply continuity matters. The asynchronous reset function simplifies power-event recovery in electrically noisy factory environments, and auto self-refresh preserves memory contents during low-power states in always-on controllers. For extended-temperature deployments, the pin-identical K4RAH165VB-BIWM industrial-bin variant can be specified on the same FBGA-106 footprint without PCB redesign, protecting long-term sourcing.
Recommended
Mobile and Tablet Devices
Distributor listings (Octopart, Wolfchip) identify this Samsung DDR5 DRAM portfolio as designed for mobile devices, tablets, and consumer electronics. The K4RAH165VB-BCWM's 1.1V supply and DDR5's improved power efficiency extend battery life in portable products, while 16Gb per component allows thin devices to reach multi-GB memory with minimal board area using the compact FBGA-106 package. The x16 organization reduces required component count versus x8 designs - a single x16 device provides a full 16-bit channel half, simplifying layout for narrow-channel mobile platforms.
Recommended
Embedded and Edge Computing
Edge computing platforms benefit from the K4RAH165VB-BCWM's combination of density and efficiency: 16Gb per component at 1.1V supports AI inference and video analytics workloads within constrained thermal envelopes. DDR5's on-die ECC improves unattended reliability - critical for remote edge nodes without field service. The asynchronous reset pin enables deterministic recovery after brown-out events common in distributed power environments, and ZQ calibration maintains signal integrity across wide ambient temperature swings encountered in outdoor enclosures.
Recommended
Test and Measurement / Memory Prototyping
DDR5 controller and platform validation labs use individual K4RAH165VB-BCWM components on characterization boards to verify training algorithms - write leveling, Read training, and ZQ calibration - before module-level integration. The component datasheet specifies DLL-enabled mode timings, making the part a deterministic reference device for eye-diagram and Vcent_CA measurement work. Tray packaging suits socket-based test setups, and the availability of multiple speed grades (BCWM, BCQK, BIWM) on the same footprint lets labs sweep timing corners without changing hardware.
Recommended
Recommended Products Summary
Engineering reference data for K4RAH165VB-BCWM — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | K4RAH165VB-BCQK | K4RAH165VB-BIWM | K4RHE165VB-BCWM | K4RAH086VB-BCWM |
|---|---|---|---|---|---|
| Package | FBGA-106 | FBGA-106 - same | FBGA-106 - same | FBGA-106 - same | FBGA-106 - same |
| Brand | Samsung Electronics | Samsung Electronics | Samsung Electronics | Samsung Electronics | Samsung Electronics |
| Memory Size | 16 Gb | 16 Gb | 16 Gb | 16 Gb | 8 Gb |
| Organization | 1G x 16 | 1G x 16 | 1G x 16 | 1G x 16 | [DATA_NEEDED] |
| Technology | DDR5 SDRAM | DDR5 SDRAM | DDR5 SDRAM | DDR5 SDRAM | DDR5 SDRAM |
| Supply Voltage | 1.1 V | 1.1 V | 1.1 V | 1.1 V | 1.1 V |
| Operating Temperature | 0C to +85C (commercial) | 0C to +85C | Industrial bin (extended) | 0C to +85C | 0C to +85C |
| Lifecycle Status | Active | Active | Active | Active | Active |
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant |
Key Differentiators
- Double the density of 8Gb family parts (vs K4RAH086VB-BCWM)
- Same die as BCQK with different speed bin (vs K4RAH165VB-BCQK)
- Industrial temperature bin option (vs K4RAH165VB-BIWM)
- DDR5 generation efficiency over DDR4 K4AAG family (vs K4AAG165WM-BCWE)
Design Notes
DDR5 fly-by routing requires controlled impedance (typically 40 ohm for data groups per platform design guides) and per-byte DDR5 data mask behavior differs from DDR4. Match trace lengths within data groups and reference the DQ/DQS signals to a solid VDDQ plane. Because the K4RAH165VB-BCWM is a x16 component, the data bus is 16 bits wide per device - plan DQS pair routing for both bytes. Re-run controller training (write leveling, Read training) after any layout change; training parameters do not transfer across PCB revisions.
Operate the K4RAH165VB-BCWM from a regulated 1.1V VDD rail per the DDR5 standard. Estimated: at 16Gb device typical active currents in the hundreds of mA range, decouple with bulk 47-100 uF plus multiple 0.1 uF/0.01 uF ceramics per device. DDR5 platforms commonly use a dedicated PMIC (5V to 1.1V step-down); budget ripple below the datasheet VDD tolerance or eye margins will degrade. Verify actual current against the Samsung component datasheet for your operating frequency point.
Do not assume DDR4 and DDR5 components are interchangeable - the K4RAH165VB-BCWM (DDR5) will not operate on a DDR4 controller regardless of footprint similarity; also never mix the commercial BCWM grade into designs qualified with the industrial BIWM bin without re-qualification. ZQ calibration requires an external precision resistor (typically 240 ohm 1%) routed cleanly to ZQ pin - omitting it causes drive-strength errors. Asynchronous reset must be asserted during power ramp per DDR5 initialization sequence, or the device may not respond to MRR/MRW commands.
Compliance Information
RoHS compliance confirmed via JLCPCB listing (FBGA-106 DDR SDRAM ROHS). REACH, lead-free, halogen-free, and conflict-minerals status not stated in provided data.
