K4RAH165VB-BCWM - 16Gb DDR5 SDRAM 1.1V FBGA | Samsung
부품 번호: K4RAH165VB-BCWM ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 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 |
K4RAH165VB-BCWM 개요
DDR5 SDRAM is the fifth generation of double-data-rate synchronous dynamic random-access memory, the volatile memory technology at the heart of computing systems. In the memory hierarchy, a DRAM component sits between CPU caches and non-volatile storage, providing high-bandwidth working memory. Compared with DDR4, DDR5 doubles the burst length, moves the power management IC onto the module, and lowers the per-bank granularity with independent bank group architecture, improving effective bandwidth and channel efficiency.
Key features of the K4RAH165VB-BCWM include 16Gb density in a single x16 organization, a low 1.1V core supply that reduces dynamic power, and an operating temperature range of 0C to +85C. The device integrates on-die ECC, asynchronous reset, auto self-refresh, write leveling, CRC, and ZQ calibration functions - features confirmed for the K4RAH165VB family on distributor listings.
Architecturally, the part uses a parallel memory interface with DDR5 signaling on the CA (command/address) bus, referenced to VREFCA, with DLL-enabled operation for precise timing. The x16 organization suits systems where two 16-bit devices form a 32-bit channel segment or where LPDDR-style width is preferred in embedded DDR5 designs.
Typical applications include data center memory solutions, industrial systems requiring long-term availability, high-performance computing platforms, and data-intensive consumer electronics such as tablets and mobile devices.
Designers should observe DDR5 VDDQ termination and reference voltage requirements, and verify the speed grade denoted by the BCWM suffix against the memory controller's supported JEDEC speed bins before layout sign-off.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.
드롭인 대체품: K4RAH165VB-BCWM — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: K4RAH165VB-BCWM (동일 폼 팩터 및 풋프린트) — 차이점: Data Rate, Operating Temperature, Package, Interface, Density.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
K4RAH165VB-BCQK
✅ 드롭인✓ 재고 있음
가격 문의
데이터시트 보기 →K4RAH086VB-BCWM
✅ 드롭인✓ 재고 있음
$44.5455 / 개
데이터시트 보기 →K4RAH086VB-BCQK
✅ 드롭인✓ 재고 있음
$41.0156 / 개
데이터시트 보기 →K4RAH086VB-BIWM
✅ 드롭인✓ 재고 있음
$4.85 / 개
데이터시트 보기 →K4RAH086VP-BCWM
✅ 드롭인✓ 재고 있음
가격 문의
데이터시트 보기 →K4RAH165VB-BCWM 최대 정격 & 전기적 특성
| 메모리 유형 | DDR5 SDRAM (volatile DRAM) |
| 메모리 크기 | 16 Gb |
| Memory Organization | 1G x 16 |
| Memory Interface | Parallel |
| 공급 전압 | 1.1 V |
| Technology | DDR5 |
| 패키지 | FBGA-106 |
| 실장 유형 | Surface Mount |
| 동작 온도 | 0C to +85C |
| Maximum Data Rate (DDR5 family) | up to 7200 Mbps |
| On-die ECC | Yes |
| Auto Self-Refresh | Yes |
| Asynchronous Reset | Yes |
| Write Leveling | Yes |
| CRC Function | Yes |
| ZQ Calibration | Yes |
| RoHS 상태 | Compliant |
| Packaging | Tray |
K4RAH165VB-BCWM fbga-106 핀 구성 가이드
K4RAH165VB-BCWM(fbga-106 패키지)의 핀 구성입니다. 이 디지털 IC에는 GPIO, 통신 인터페이스(UART, SPI, I2C), 전원 핀이 포함되어 있습니다. 대체 핀 기능과 구성 옵션은 제조사 데이터시트를 참조하십시오. 임베디드 시스템 설계와 PCB 레이아웃에 필수적입니다.
다음에 대한 상세 핀아웃 데이터 없음: K4RAH165VB-BCWM.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
K4RAH165VB-BCWM 적합 용도: 6 애플리케이션s: Data Center Memory, Industrial Systems, High-Performance Computing, Mobile and Tablet Compute, Embedded DDR5 Controller Boards, Test and Measurement Instruments.
Data Center Memory
The K4RAH165VB-BCWM fits data center memory subsystems because its 16Gb density and 1G x 16 organization maximize capacity per component while the 1.1V supply cuts dynamic power, supporting Samsung's claim of ~30% better efficiency than DDR4. On-die ECC and CRC reduce error rates at high data rates, which is essential for server uptime. In a DDR5 design, two x16 devices can populate a 32-bit sub-channel segment, and the 7,200 Mbps family data rate supports high-bandwidth workloads. Designers must budget for DDR5 termination power and verify speed-grade training in the BMC/BIOS memory init code.
추천
Industrial Systems
Industrial controllers and edge compute platforms benefit from the K4RAH165VB-BCWM's long-term availability and 0C to +85C operating range, which covers most factory-floor and cabinet environments. The 16Gb density supports data buffering for machine vision and predictive maintenance workloads, while on-die ECC and asynchronous reset improve robustness in electrically noisy settings. Because the part runs at 1.1V, thermal design is simpler than DDR4 at equivalent bandwidth. Use the Samsung BI-grade K4RAH086VB-BIWM sibling when an industrial-grade suffix is mandated by the end customer.
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High-Performance Computing
For HPC accelerators and compute modules, the K4RAH165VB-BCWM provides 16Gb per device with DDR5 family data rates up to 7,200 Mbps, delivering the bandwidth density that bandwidth-bound scientific workloads demand. The x16 organization lets designers double density without doubling component count, and ZQ calibration plus write leveling simplify signal-integrity closure at speed on long traces. DLL-enabled mode operation guarantees the timing specifications in the Samsung datasheet. Ensure the SoC memory controller supports the BCWM speed bin and enable on-die ECC handling in firmware.
추천
Mobile and Tablet Compute
Samsung positions the K4RAH165VB family for mobile devices, tablets, and consumer electronics where power efficiency directly extends battery life. The 1.1V DDR5 supply and low per-bank activation granularity reduce active and standby current versus DDR4 at similar bandwidth, and the compact FBGA-106 footprint saves board area in densely packed tablets. Auto self-refresh minimizes power in suspend states. Designers should confirm the CA-bus VREFCA routing discipline and use short, length-matched DQ/DQS traces to meet DDR5 eye masks on thin flex-rigid stacks.
추천
Embedded DDR5 Controller Boards
Embedded designs using DDR5-capable processors, such as industrial gateway or networking SoCs, can attach the K4RAH165VB-BCWM directly as discrete DRAM. Its 1G x 16 organization pairs naturally with 32-bit DDR5 controllers using two components, and CRC plus write leveling ease bring-up on two- or four-layer stacks where signal integrity margin is limited. The asynchronous reset input allows the host to recover the DRAM without full power cycling, improving field reliability. Validate controller compatibility with the specific speed grade suffix before committing the footprint.
추천
Test and Measurement Instruments
High-speed oscilloscopes, logic analyzers, and signal generators require deep capture memory with sustained bandwidth; the K4RAH165VB-BCWM's 16Gb capacity and DDR5 data rates support long record lengths in acquisition engines. Its 1.1V operation reduces instrument internal power dissipation, and on-die ECC protects long-duration acquisitions from soft errors. Multiple x16 devices can be interleaved across DDR5 controllers for aggregate bandwidth. Instrument designers should implement Samsung-recommended ZQ calibration resistor placement and verify DLL lock margins across the 0C to +85C range.
추천
추천 제품 요약
엔지니어링 참조 데이터: K4RAH165VB-BCWM — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | K4RAH165VB-BCQK | K4RAH086VB-BCWM | K4RAH086VB-BCQK |
|---|---|---|---|---|
| Brand | Samsung Electronics | Samsung Electronics | Samsung Electronics | Samsung Electronics |
| Package | FBGA-106 | FBGA-106 - same | FBGA (K4RAH086VB family) - verify ball map | FBGA (K4RAH086VB family) - verify ball map |
| Memory Size | 16 Gb | 16 Gb | 8 Gb | 8 Gb |
| Organization | 1G x 16 | 1G x 16 | 512M x 16 | 512M x 16 |
| Technology | DDR5 SDRAM | DDR5 SDRAM | DDR5 SDRAM | DDR5 SDRAM |
| Supply Voltage | 1.1 V | 1.1 V | 1.1 V | 1.1 V |
| Operating Temperature | 0C to +85C | 0C to +85C | 0C to +85C | 0C to +85C |
| Speed Grade (suffix) | BCWM | BCQK | BCWM | BCQK |
주요 차별점
- Full 16Gb density in the DDR5 B-die x16 family (vs K4RAH086VB-BCWM)
- DDR5 generation power efficiency (vs K4A4G165WF-BCWE (DDR4))
- Second-sourceable within the same footprint (vs K4RAH165VB-BCQK)
설계 노트
DDR5 CA bus signaling references VREFCA, so route the CA/CS balls as a tightly length-matched group with a clean, low-impedance VREFCA decoupling network (typically 0.1 uF plus 1 uF ceramic at the DRAM side). The Samsung component datasheet defines CA eye masks relative to Vcent_CA; violations here are the most common cause of DDR5 memory-training failures. Keep CA trace stubs minimized on FBGA-106 fanout vias and simulate the eye at the target data rate before tape-out.
Although the K4RAH165VB-BCWM core runs at 1.1V, DDR5 moves the power management function toward the module/controller side, so design the 1.1V rail with sufficient transient headroom for simultaneous bank activation bursts. Estimated: at 7,200 Mbps-class operation, per-device IDD can reach several hundred milliamps during concurrent read/write bursts, so size the VRM and bulk capacitance accordingly and verify IDD figures in the Samsung datasheet IDD tables for your specific speed bin (BCWM). Do not share this rail with noisy analog supplies.
Do not substitute speed-grade suffixes without verifying the memory controller supports that JEDEC bin: BCWM and BCQK are the same die but may carry different guaranteed frequency/CAS latency, and firmware training tables are speed-bin specific. Also note the Samsung component datasheet is an abstract - the common device-operation content lives in a separate Samsung Device Operation datasheet, so obtain both documents before writing initialization code. Finally, LCSC currently shows this part out of stock as of 2026-09-04; qualify the BCQK sibling as a second source to de-risk allocation.
FBGA-106 fanout on two signal layers requires careful via planning; use via-in-pad or dog-bone fanout consistently and reserve inner layers for complete DQ/DQS/CA reference planes. DDR5 requires per-byte/per-nibble write leveling and ZQ calibration - place the ZQ calibration resistor with a short, direct trace to the ZQ ball per Samsung layout guidance. Length-match DQS to its DQ group within controller-specified skew (typically tighter than DDR4), and keep all DDR5 signals referenced to unbroken ground planes for the full trace length.
규정 준수 정보
RoHS compliant per JLCPCB part listing (FBGA-106 DDR SDRAM ROHS). Lead-free per standard Samsung DRAM production. REACH, halogen-free, and conflict-minerals declarations not stated in provided data - consult Samsung official compliance documentation.
