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최신 가격 요청 →
Samsung Electronics

K4A4G165WG-BCWE - 4Gb DDR4 SDRAM 3200Mbps 1.2V | Samsung

부품 번호: K4A4G165WG-BCWE ✓ 활성
재고 있음 영업일 기준 1~3일 내 발송
1.2 V Vdss FBGA-96 Package DDR4 SDRAM (volatile DRAM) Memory
시작가 $16.9 USD / 개
MOQ: 1 |
가격 업데이트: 2026-09-22
볼륨 가격
수량 단가 합계
1 $23.15 $23.15
10 $21.5 $215.00
100 $19.8 $1,980.00
500 $18.2 $9,100.00
1,000 $16.9 $16,900.00
ℹ️ 모든 가격은 USD 기준입니다

K4A4G165WG-BCWE 개요

The Samsung Semiconductor K4A4G165WG-BCWE is a 4Gbit DDR4 SDRAM memory IC organized as 256M x 16, operating at data rates up to 3200 Mbps with a 19 ns access time, housed in a 96-ball FBGA (BCWE) package running from a 1.2V core supply.

DDR4 SDRAM (Double Data Rate 4 Synchronous Dynamic Random Access Memory) is the fourth generation of the DDR DRAM family, a volatile memory technology that stores data in capacitor-based cells refreshed by a memory controller. In the system memory hierarchy, DDR4 sits as the main working memory between the CPU and mass storage, delivering high bandwidth at low power. Compared with DDR3, DDR4 lowers operating voltage from 1.5V to 1.2V, doubles bank groups to eight for improved access parallelism, and raises data rates up to 3200 Mbps, cutting memory subsystem power by roughly 25% per Samsung's DDR4 portfolio data.

Key features of the K4A4G165WG-BCWE include its 4Gbit density in a x16 organization that suits processors without 64-bit controllers, DDR4-3200 speed grade operation, and the compact 96-ball FBGA surface-mount package for space-constrained boards. The commercial operating range of 0C to +85C covers typical desktop, consumer, networking, and embedded industrial environments.

Technically, the device implements DDR4 core features such as bank group architecture, on-die termination (ODT), and data mask/data strobe signaling for reliable high-speed transfers. The 1.2V supply and dynamic power management features reduce standby and active power versus previous generations, which matters in always-on and thermally limited designs.

Typical applications include embedded computing main memory, industrial control and networking equipment, set-top boxes and smart TVs, and server/PC memory modules where a x16 DDR4 component with 4Gbit capacity is required.

Design consideration: DDR4 signal integrity demands length-matched, impedance-controlled routing for DQ/DM/DQS groups and proper VDDQ decoupling; consult Samsung's DDR4 design guide for fly-by command/address topology.

This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

드롭인 대체품: K4A4G165WG-BCWE — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.

이 시리즈의 변형

다음과 드롭인 호환되는 동일 시리즈 모델: K4A4G165WG-BCWE (동일 폼 팩터 및 풋프린트) — 차이점: Package, Memory Type, Memory Size, Clock Frequency, Organization.

Samsung Electronics
Package: FBGA-96 (TFBGA)
비교 대상: K4A4G165WG-BCWE →
Micron Technology
Package: 96-FBGA (7.5 x 13.5 mm)
Memory Type: DDR4 SDRAM
Clock Frequency: 1.6 GHz
비교 대상: K4A4G165WG-BCWE →
Micron Technology
Package: 96-FBGA (8 x 14 mm)
Memory Type: DDR4 SDRAM (Automotive)
Clock Frequency: 1.2 GHz (tCK = 0.83 ns)
비교 대상: K4A4G165WG-BCWE →
Micron Technology
Package: 96-FBGA (7.5 x 13.5 mm)
Memory Type: DDR4 SDRAM
Memory Size: 8 Gbit (1 GB)
비교 대상: K4A4G165WG-BCWE →
Micron Technology
Package: 96-FBGA (7.5 x 13 mm)
Memory Type: DDR4 SDRAM
Memory Size: 8 Gbit
비교 대상: K4A4G165WG-BCWE →
Micron Technology
Package: 96-FBGA (8 x 14 mm)
Memory Type: SDRAM - DDR3L
Memory Size: 1 Gbit
비교 대상: K4A4G165WG-BCWE →

빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:

K4A4G165WF-BCWE

Samsung Electronics
DDR4 SDRAM · 4 Gbit · 256M x 16 · 3200 Mbps · 1.6 GHz · 1.2 V (1.14 V to 1.26 V) · 19 ns · 0C to +85C

✓ 재고 있음

$10.65 / 개

데이터시트 보기 →

K4A8G165WG-BCWE

Samsung Electro-Mechanics
DDR4 SDRAM · 8 Gbit · 512M x 16 · 3200 Mbps · 1.2 V · 0°C to +85°C · 20 mA · FBGA-96

✓ 재고 있음

$29.5313 / 개

데이터시트 보기 →

K4A4G165WE-BCWE

E-suffix die revision vs G-suffix; same 4Gb 256Mx16 DDR4, same footprint, pin-to-pin

📋 참조 대체품 (카탈로그에 없음)

K4A4G165WE-BCRC

BCRC speed bin (DDR4-2666 class) vs BCWE DDR4-3200; same density/organization/package

📋 참조 대체품 (카탈로그에 없음)

K4A4G165WG-BCWE 최대 정격 & 전기적 특성

메모리 유형 DDR4 SDRAM (volatile DRAM)
메모리 크기 4 Gbit
Memory Organization 256M x 16
인터페이스 Parallel
데이터 속도 3200 Mbps
Access Time 19 ns
공급 전압 1.2 V
동작 온도 0C to +85C
패키지 FBGA-96
실장 유형 Surface Mount
Memory Format DRAM
Technology DDR4
Product Status Active
RoHS 상태 Compliant (per JLCPCB listing)

K4A4G165WG-BCWE fbga-96 핀 구성 가이드

K4A4G165WG-BCWE(fbga-96 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.

K4A4G165WG-BCWE의 fbga-96 패키지 핀아웃 다이어그램

다음에 대한 상세 핀아웃 데이터 없음: K4A4G165WG-BCWE.

다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.

일반적인 애플리케이션

K4A4G165WG-BCWE 적합 용도: 6 애플리케이션s: Embedded Computing Main Memory, Networking and Communication Equipment, Consumer Set-Top Boxes and Smart TVs, Industrial Control and Automation, PC and Workstation Memory Modules, Automotive Infotainment and Display Units.

🖥️

Embedded Computing Main Memory

The K4A4G165WG-BCWE provides 4Gbit of DDR4-3200 main memory for embedded x86 and ARM platforms whose controllers support x16 DDR4. Its 256M x 16 organization pairs naturally with SoCs that expose a 16-bit or 32-bit memory bus, and the 1.2V supply keeps memory power within the typical 5-15W budget of fanless industrial PCs. Placed as one or two FBGA-96 components directly on the COM module with fly-by or 1N command/address topology and on-die termination enabled, it delivers up to 3200 MT/s per pin. At 19 ns access time and 8-bank-group architecture, it sustains the bandwidth needed for Linux/RTOS workloads while consuming roughly 25% less power than equivalent DDR3 designs.

🌐

Networking and Communication Equipment

Enterprise switches, routers, and 5G small-cell equipment rely on DDR4 buffers for packet processing and table lookups. The K4A4G165WG-BCWE's 3200 Mbps data rate and 19 ns access time supply the read/write bandwidth that network processors require for line-rate forwarding, while the x16 organization simplifies 16-bit or 32-bit bus designs common in NPUs and FPGAs. Mounted in FBGA-96 directly on the data plane PCB with impedance-controlled DQ/DQS routing and per-byte data mask, the device supports sustained streaming under 0C to +85C ambient conditions typical of telecom closets. Its 1.2V operation reduces thermal load in convection-cooled chassis where airflow is constrained.

📺

Consumer Set-Top Boxes and Smart TVs

Set-top boxes, smart TVs, and streaming media players need multi-gigabit DDR4 for video decode frame buffers, and the K4A4G165WG-BCWE fits this role with its 4Gbit capacity and DDR4-3200 bandwidth. The x16 organization matches the 16-bit or 32-bit memory controllers of mainstream TV SoCs, and the compact FBGA-96 package allows dense placement near the SoC for short, matched traces at 3200 Mbps. The 1.2V rail minimizes standby power - important for devices that must meet regional energy-efficiency limits in standby and low-power modes. Commercial 0C to +85C temperature rating covers typical living-room and entertainment-center thermal environments with margin.

🏭

Industrial Control and Automation

PLCs, motion controllers, and machine-vision systems use DDR4 DRAM for runtime data logging, image ring buffers, and controller firmware execution. The K4A4G165WG-BCWE's industrial-relevant 0C to +85C range and RoHS-compliant FBGA-96 package suit control cabinets and vision compute modules. With DDR4-3200 bandwidth, machine-vision pipelines can sustain multi-camera frame buffering at 19 ns access granularity, while the 256M x 16 organization supports redundant dual-component configurations for fail-operational designs. Designers should pair the device with Samsung's DDR4 design guide recommendations for VDDQ decoupling and length-matched DQ groups to guarantee timing margin across the temperature range.

⚡

PC and Workstation Memory Modules

The K4A4G165WG-BCWE is a component-level DDR4 die used on UDIMM and SODIMM modules where 16-bit chips are stacked in pairs to form 64-bit channels. Its DDR4-3200 speed grade aligns with mainstream desktop and workstation JEDEC profiles, and 8 chips of 4Gb each populate a 4GB module. On-module, the FBGA-96 parts sit on fly-by command/address routing with on-die termination handling signal integrity at 3200 MT/s. The 1.2V VDD keeps a populated dual-channel system within standard memory power envelopes, and the 19 ns access time supports the low random latencies expected in desktop computing workloads.

🚗

Automotive Infotainment and Display Units

Within the -limited commercial 0C to +85C envelope, the K4A4G165WG-BCWE can serve automotive-adjacent displays such as aftermarket head units and passenger infotainment screens where cabin temperatures are regulated. Its DDR4-3200 bandwidth supports 1080p and entry-4K graphics frame buffers, and the x16 organization matches common infotainment SoC memory interfaces. The FBGA-96 package withstands the vibration profile of dash-mounted electronics, and the 1.2V rail integrates cleanly with the 1.2V VDDQ domains derived from automotive 5V/3.3V point-of-load regulators. Note: this part is not AEC-Q100 qualified, so it is unsuitable under-hood or safety-critical deployments.

What is the K4A4G165WG-BCWE?
The K4A4G165WG-BCWE is a Samsung 4Gbit DDR4 SDRAM memory IC organized as 256M x 16, operating at data rates up to 3200 Mbps from a 1.2V supply. It is packaged in a 96-ball FBGA surface-mount case and rated for 0C to +85C operation. Per DigiKey, it is listed as a DDR4 Memory IC with a 19 ns access time, suitable for embedded, networking, and consumer main-memory designs.
What is the price of K4A4G165WG-BCWE?
As of 2026-09-01, LCSC lists the K4A4G165WG-BCWE from approximately $23.15 per unit (285 pieces in stock at LCSC). Pricing varies with quantity and distributor; Wolfchip reported in stock as of August 2026. For production volumes, request quotes from authorized distributors such as DigiKey, LCSC, or Findchips-listed sources, as DDR4 spot pricing fluctuates with the memory market.
Where to buy K4A4G165WG-BCWE online?
The K4A4G165WG-BCWE can be purchased online from DigiKey Marketplace, LCSC (product C49260570), JLCPCB (part C49260570), Wolfchip, Win Source, and Sourcengine. DigiKey and LCSC offer immediate shipment for in-stock quantities; LCSC showed 285 units in stock as of 2026-09-01, while Wolfchip reported 44,400 pieces. Always verify date codes and traceability when sourcing DDR4 from marketplaces.
What is the difference between K4A4G165WG-BCWE and K4A4G165WE-BCWE?
The K4A4G165WG-BCWE and K4A4G165WE-BCWE are both Samsung 4Gb DDR4 SDRAMs in 256M x 16 organization and the same FBGA-96 package; the difference lies in the die revision indicated by the G versus E letter, which can reflect a process node or speed-bin refresh. Both are DDR4-3200-class 1.2V parts, making them near drop-in equivalents at the PCB level, though final JEDEC timing parameters should be confirmed against the respective Samsung datasheets.
K4A4G165WG-BCWE vs K4A4G165WE-BCRC - which is better?
According to icDirectory's comparison, K4A4G165WE-BCRC and K4A4G165WG-BCWE are both Samsung 4Gb DDR4 SDRAMs with 256M x 16 organization and identical DDR4 technology. The G-suffix (BCWE) part carries the newer die with DDR4-3200 capability, while the BCRC suffix typically denotes a DDR4-2666 speed bin. Choose the BCWE for 3200 Mbps designs; the BCRC suffices for 2666 Mbps systems and may cost less. Both share the same footprint.
When should I choose the K4A4G165WG-BCWE over lower-speed DDR4?
Choose the K4A4G165WG-BCWE when your memory controller supports DDR4-3200 and bandwidth is a bottleneck, such as in networking line cards, video processing, or high-throughput embedded computing. For designs clocked at DDR4-2133/2400/2666, a lower speed bin such as the K4A4G165WE-BCRC delivers the same capacity in the same FBGA-96 footprint at potentially lower cost, and offers wider timing margin at slower clocks.
Is the K4A4G165WG-BCWE suitable for industrial applications?
Yes, within its 0C to +85C operating range. The commercial temperature grade covers most indoor industrial controllers, gateways, and networking equipment. For extended industrial ranges (-40C to +95C), consider parts with an industrial temperature suffix; for example, Samsung's K4AAG165WA-BCWE class parts are listed with -40C to +95C ranges on LCSC. Verify the exact temperature suffix in the ordering code before qualification.
Can K4A8G165WG-BCWE replace K4A4G165WG-BCWE?
Physically, the K4A8G165WG-BCWE is pin-compatible in the same x16 FBGA-96 footprint, but it doubles capacity to 8Gbit. It can only replace the 4Gb part if the memory controller's address mapping supports 8Gb densities and the board's power budget and timing budget remain valid. For designs where the controller tops out at 4Gb row addressing, the substitution will not initialize; check the controller datasheet's supported density table first.
What is the best drop-in replacement for K4A4G165WG-BCWE?
The closest drop-in replacements are Samsung's own family members: K4A4G165WE-BCWE and K4A4G165WF-BCWE, which share the 4Gb 256M x 16 DDR4 organization and FBGA-96 package with pin-to-pin ballout compatibility. The K4A4G165WE-BCRC is also same-package but at a 2666 Mbps speed bin. All preserve the footprint, so no PCB rework is needed - only firmware/SPD timing re-qualification per Samsung datasheets.
Is there a Micron equivalent for K4A4G165WG-BCWE?
No Micron, Nanya, or Winbond cross-brand equivalent for the K4A4G165WG-BCWE was confirmed in the verified cross-reference data retrieved for this part, so none is listed here. Micron does manufacture 4Gb DDR4 x16 components in comparable FBGA-96 packages (e.g., MT40A512M16 class), but pinout and speed-bin verification against the actual Micron datasheet is required before treating any cross-brand part as drop-in. Consult a cross-reference service such as x-refs.com for qualified alternates.
Where to download the K4A4G165WG-BCWE datasheet PDF?
The Samsung K4A4G165WG-BCWE datasheet PDF can be downloaded from Alldatasheet (which hosts the Samsung DDR4 SDRAM datasheet, 961 KB, 23 pages, listed under the related K4A4G165WD/WE part numbers), from LCSC's product page C49260570, or from Win Source. The authoritative source is always Samsung Semiconductor's official DRAM documentation portal at semiconductor.samsung.com, which hosts current DDR4 datasheets and design guides.
Where can I find the K4A4G165WG-BCWE ballout / pinout?
The K4A4G165WG-BCWE ballout is documented in the Samsung DDR4 SDRAM datasheet PDF (available via Alldatasheet or LCSC product page C49260570). As a 96-ball FBGA component, its balls are designated by a letter-number grid (A1 through E12-style rows/columns) covering DQ, DQS/DM, CK/CKE, CS, RAS/CAS/WE, address, power, and ground balls. This page does not reproduce the full 96-ball map; download the datasheet for the exact ball coordinates before layout.
Is the K4A4G165WG-BCWE RoHS compliant and lead-free?
Yes. According to JLCPCB's part listing (C49260570), the K4A4G165WG-BCWE is marked RoHS compliant, and FBGA-packaged Samsung DDR4 devices are supplied lead-free. Detailed REACH, halogen-free, and conflict-minerals declarations are not included in the retrieved data; request Samsung's material declaration documents or check the Samsung semiconductor compliance portal for full environmental certification statements before regulatory submission.
What are the key specifications of K4A4G165WG-BCWE that engineers should know?
The K4A4G165WG-BCWE is a Samsung 4Gbit DDR4 SDRAM, 256M x 16, up to 3200 Mbps, 19 ns access time, 1.2V supply, 0C to +85C, FBGA-96 package, RoHS compliant. Engineers should also note the x16 organization (single-rank-friendly for narrow controllers), the requirement for DDR4-3200-capable memory controllers, and JEDEC-standard DDR4 termination and refresh behavior. Verify CAS latency and tCK against the Samsung datasheet for the specific speed bin before controller configuration.
Is K4A4G165WG-BCWE in stock and what is the lead time?
Stock was available at multiple distributors as of 2026-09-01: LCSC listed 285 pieces in stock for immediate shipment, Wolfchip reported 44,400 pieces (updated August 2026), and DigiKey Marketplace showed buy-now/ships-today status. Lead time for in-stock marketplace quantities is typically 1-3 days; factory-direct orders through Sourcengine offer traceable sourcing with 3-year warranty. Confirm live stock before committing production schedules, as DDR4 availability moves quickly.

엔지니어링 참조 데이터: K4A4G165WG-BCWE — 비교, 설계 지침 및 규정 준수 정보.

선택 가이드

Choose the K4A4G165WG-BCWE when your design needs 4Gbit of DDR4 in a x16 organization with DDR4-3200 bandwidth - typical for networking buffers, vision systems, and embedded computing. If your controller runs at DDR4-2666 or lower and cost matters more than bandwidth, the pin-compatible K4A4G165WE-BCRC delivers the same density and footprint at lower cost with wider timing margin. If you need double capacity without a footprint change and your controller supports 8Gb addressing, move to the K4A8G165WG-BCWE (same FBGA-96 ballout). If your board is an existing legacy SDR design (e.g., K4S510432D-UC75), note these are NOT drop-in - different bus, voltage, and signaling. For -40C industrial environments, this commercial 0C to +85C part is insufficient; seek industrial-temperature suffixes. All listed DDR4 alternatives require only firmware timing re-qualification, no PCB rework.

대체품과의 비교

파라미터 이 제품 K4A4G165WE-BCWE K4A4G165WF-BCWE K4A4G165WE-BCRC K4A8G165WG-BCWE
Package FBGA-96 FBGA-96 - same FBGA-96 - same FBGA-96 - same FBGA-96 - same
Brand Samsung Electronics Samsung Electronics Samsung Electronics Samsung Electronics Samsung Electronics
Memory Size 4 Gbit 4 Gbit 4 Gbit 4 Gbit 8 Gbit
Organization 256M x 16 256M x 16 256M x 16 256M x 16 512M x 16
Supply Voltage 1.2 V 1.2 V 1.2 V 1.2 V 1.2 V
RoHS Compliant Compliant (Samsung DDR4 portfolio) Compliant (Samsung DDR4 portfolio) Compliant (Samsung DDR4 portfolio) Compliant (Samsung DDR4 portfolio)

주요 차별점

  • DDR4-3200 speed bin on the G-suffix die (vs K4A4G165WE-BCRC)
  • Low 1.2V DDR4 operation (vs K4S510432D-UC75 (SDR SDRAM))
  • x16 organization simplifies narrow controllers (vs x8/x32 DDR4 components)

설계 노트

At DDR4-3200, DQ/DQS/DM trace length mismatch within each byte lane should be kept within JEDEC-recommended DDR4 skew budgets (typically a few mils on-shelf for FR-4 at 3200 MT/s); route as tightly coupled 50-ohm single-ended / 100-ohm differential pairs over a solid reference plane. Use on-die termination (ODT) settings from the Samsung datasheet speed-bin tables and enable dynamic ODT for write bursts. Avoid referencing DQ traces across plane splits, which causes impedance discontinuities at 1.6 GHz Nyquist for DDR4-3200.

The K4A4G165WG-BCWE requires a 1.2V VDD/VDDQ rail with tight tolerance (per Samsung DDR4 datasheet, typically +/- 3%). Decouple with a network of 0.1uF and 1uF ceramics at every FBGA power ball cluster plus bulk capacitance near the regulator; DDR4 simultaneous switching currents create di/dt events that collapse under-provisioned rails. Follow Samsung's DDR4 power application guidance for VPP (2.5V) and VTT termination rail design with a dedicated termination regulator.

Verify controller density support before substituting: the 8Gb K4A8G165WG-BCWE is ballout-compatible but will not initialize on controllers limited to 4Gb row addressing. Also confirm the speed bin suffix (BCWE = 3200 class, BCRC = 2666 class) matches the firmware's SPD/timing table - running a 2666 bin at 3200 causes training failures. ZQ calibration resistor placement (240 ohm 1% to VSS) per Samsung layout guide is mandatory and frequently missed in first spins.

규정 준수 정보

RoHS
Compliant
REACH
Unknown
AEC-Q100
무연
무할로겐
Unknown
분쟁 광물
Unknown

RoHS compliance per JLCPCB part listing C49260570. REACH, halogen-free, and conflict-minerals declarations not found in retrieved data; consult Samsung compliance documentation.

데이터 검증일: 2026-09-01 — XAIPART 부품 엔지니어링 팀이 검증하고 관리한 데이터

관련 검색

K4A4G165WG-BCWE datasheet K4A4G165WG-BCWE price Samsung K4A4G165WG-BCWE 4Gb DDR4 SDRAM 256Mx16 3200Mbps FBGA-96 DDR4 memory IC K4A4G165WG-BCWE equivalent substitute K4A4G165WG-BCWE vs K4A4G165WE-BCRC K4A4G165WG-BCWE drop-in replacement DDR4 x16 embedded main memory buy K4A4G165WG-BCWE in stock what is K4A4G165WG-BCWE K4A4G165WG-BCWE pinout ballout Samsung DDR4 3200 1.2V FBGA96

관련 부품 & 용어

Samsung Electronics Samsung Semiconductor K4A4G165WG-BCWE K4A4G165WE-BCWE K4A4G165WF-BCWE K4A4G165WE-BCRC K4A8G165WG-BCWE DDR4 SDRAM DRAM volatile memory 256M x 16 3200 Mbps FBGA-96 BGA package family surface mount RoHS JEDEC DDR4 1.2V VDD on-die termination bank group architecture DigiKey LCSC embedded computing networking equipment
관련 기술 가이드
K4A4G165WG-BCWE 완벽 가이드: Samsung 4Gb DDR4-3200 SDRAM 사양, 대체품 및 소싱 (2026)
Samsung K4A4G165WG-BCWE: 4Gb DDR4 SDRAM, 256M x 16, 3200 Mbps, 1.2V, FBGA-96, 0C ~ +85C. 2026-09-23 기준 1000개에서 $16.90부터 가격, 재고 있음.
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