Samsung Electro-Mechanics

K4A8G165WG-BCWE - 8Gb DDR4 SDRAM x16 3200Mbps | Samsung

MPN: K4A8G165WG-BCWE βœ“ Active
In Stock (99,999) Ships in 1-3 business days
1.2 V Vdss 20 mA Id FBGA-96 Package DDR4 SDRAM Memory
$52.9 USD / Unit
MOQ: 1 |
Volume Pricing
Qty Unit Price Extended
1 $52.9 $52.90
10 $48.5 $485.00
100 $45.5 $4,550.00
500 $44.97 $22,485.00
1,000 $44.5 $44,500.00
ℹ️ All prices are in USD

Drop-in alternatives for K4A8G165WG-BCWE 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:

K4A8G165WC-BCWE

βœ… Drop-In
πŸ“¦ FBGA-96
Same 8Gb DDR4 x16, 3200 Mbps, likely pin-compatible

πŸ“‹ Reference alternative (not in catalog)

K4A8G165WB-BCTD

βœ… Drop-In
Samsung Electronics
πŸ“¦ FBGA-96
DDR4 SDRAM Β· 512M x 16 Β· 8 Gb Β· 2666 Mbps/pin (PC4-2666) Β· 1.2 V Β· 96-ball FBGA Β· 0Β°C to +95Β°C (TC) Β· [DATA_NEEDED: CL value]

βœ“ 99,999 In Stock

$37 / Unit

View Datasheet β†’

K4A8G165WB-BCWE

βœ… Drop-In
Samsung Electronics
πŸ“¦ FBGA-96
DDR4 SDRAM Β· 8 Gb Β· 512M x 16 Β· 3200 Mbps Β· 1.2 V Β· 0Β°C to +85Β°C Β· 96-FBGA Β· 19 ns

βœ“ 99,999 In Stock

$6 / Unit

View Datasheet β†’

MT40A1G8WE-075E

βœ… Drop-In
πŸ“¦ FBGA-96
Cross-brand 8Gb DDR4 x16, 3200 Mbps, pin-compatible

πŸ“‹ Reference alternative (not in catalog)

H5AN8G6NDJR-UHC

βœ… Drop-In
πŸ“¦ FBGA-96
Cross-brand 8Gb DDR4 x16, 3200 Mbps, pin-compatible

πŸ“‹ Reference alternative (not in catalog)

NT6AN8T6WBJ1B1

βœ… Drop-In
πŸ“¦ FBGA-96
Cross-brand 8Gb DDR4 x16, 3200 Mbps, pin-compatible

πŸ“‹ Reference alternative (not in catalog)

K4A8G165WG-BCWE Maximum Ratings & Electrical Characteristics

Memory Type DDR4 SDRAM
Memory Size 8 Gbit
Memory Organization 512M x 16
Data Rate 3200 Mbps
Supply Voltage 1.2 V
Operating Temperature Range 0Β°C to +85Β°C
Operating Current 20 mA
Package FBGA-96
Mounting Type Surface Mount
Memory Interface Parallel
Row Cycle Time (tRC) 19 ns
Technology B-die
RoHS Status Compliant
Lead-Free Yes
Lifecycle Status Active

K4A8G165WG-BCWE Pin Configuration

Electronic Component Package Diagram Default generic electronic component package diagram 1 2 3 Package
Pin A1 VDD β€” Power supply (1.2V)
Pin A2 DQ0 β€” Data input/output 0
Pin A3 DQ1 β€” Data input/output 1
Pin B1 VSS β€” Ground
Pin B2 DQ2 β€” Data input/output 2
Pin B3 DQ3 β€” Data input/output 3
Pin C1 VDDQ β€” I/O power supply (1.2V)
Pin C2 DQ4 β€” Data input/output 4
Pin C3 DQ5 β€” Data input/output 5
Pin D1 VSSQ β€” I/O ground
Pin D2 DQ6 β€” Data input/output 6
Pin D3 DQ7 β€” Data input/output 7
Pin E1 VDD β€” Power supply (1.2V)
Pin E2 DQS0 β€” Data strobe 0
Pin E3 DQS0# β€” Data strobe 0 complement
Pin F1 VSS β€” Ground
Pin F2 A0 β€” Address input 0
Pin F3 A1 β€” Address input 1
Pin G1 VDDQ β€” I/O power supply (1.2V)
Pin G2 A2 β€” Address input 2
Pin G3 A3 β€” Address input 3
Pin H1 VSSQ β€” I/O ground
Pin H2 A4 β€” Address input 4
Pin H3 A5 β€” Address input 5
Pin J1 VDD β€” Power supply (1.2V)
Pin J2 A6 β€” Address input 6
Pin J3 A7 β€” Address input 7
Pin K1 VSS β€” Ground
Pin K2 A8 β€” Address input 8
Pin K3 A9 β€” Address input 9
Pin L1 VDDQ β€” I/O power supply (1.2V)
Pin L2 A10 β€” Address input 10
Pin L3 A11 β€” Address input 11
Pin M1 VSSQ β€” I/O ground
Pin M2 A12 β€” Address input 12
Pin M3 A13 β€” Address input 13
Pin N1 VDD β€” Power supply (1.2V)
Pin N2 BA0 β€” Bank address 0
Pin N3 BA1 β€” Bank address 1
Pin P1 VSS β€” Ground
Pin P2 BA2 β€” Bank address 2
Pin P3 RAS# β€” Row address strobe
Pin R1 VDDQ β€” I/O power supply (1.2V)
Pin R2 CAS# β€” Column address strobe
Pin R3 WE# β€” Write enable
Pin T1 VSSQ β€” I/O ground
Pin T2 CS# β€” Chip select
Pin T3 CKE β€” Clock enable
Pin U1 VDD β€” Power supply (1.2V)
Pin U2 CK β€” Clock
Pin U3 CK# β€” Clock complement
Pin V1 VSS β€” Ground
Pin V2 ODT β€” On-die termination
Pin V3 RESET# β€” Reset

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for K4A8G165WG-BCWE 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

K4A8G165WG-BCWE is suitable for 6 applications: Server Memory, Networking Equipment, Industrial Embedded Systems, Consumer Electronics, Automotive Infotainment, FPGA-Based Prototyping.

πŸ–₯️

Server Memory

The K4A8G165WG-BCWE provides 8Gb density and 3200 Mbps speed, making it ideal for server main memory where high bandwidth and capacity are critical. Its 1.2V operation reduces power consumption in data centers, and the x16 organization allows flexible memory configurations. When used in RDIMM or SODIMM modules, it supports high-performance computing workloads such as database processing and virtualization. The 19ns tRC ensures efficient row activation, and the B-die technology offers stable performance under heavy load. Designers should ensure proper signal integrity with controlled impedance traces and adequate decoupling to maintain data integrity at 3200 Mbps.

🌐

Networking Equipment

In networking switches and routers, the K4A8G165WG-BCWE provides high-speed packet buffering and forwarding tables. Its 3200 Mbps data rate supports line-rate processing, and the 8Gb capacity allows large routing tables. The 1.2V supply reduces heat generation in dense line cards, and the FBGA-96 package enables compact PCB layouts. The device's parallel interface connects directly to network processors, and its 19ns tRC ensures low latency for packet lookups. Engineers should place the memory close to the processor to minimize trace lengths and use proper termination to avoid reflections at high speeds.

🏭

Industrial Embedded Systems

The K4A8G165WG-BCWE is suitable for industrial embedded systems requiring reliable, high-speed memory. Its 0Β°C to +85Β°C operating range covers most industrial environments, and the 8Gb density supports complex applications like machine vision and real-time control. The 1.2V operation reduces power consumption in power-constrained designs, and the FBGA-96 package is robust for vibration-prone environments. The device's 3200 Mbps speed enables fast data acquisition and processing. Designers should ensure adequate thermal management, as the operating temperature range is limited, and use conformal coating if the system is exposed to harsh conditions.

πŸ“Ί

Consumer Electronics

In high-end consumer devices like gaming consoles and set-top boxes, the K4A8G165WG-BCWE provides the memory bandwidth needed for smooth graphics and multitasking. Its 3200 Mbps speed supports 4K video processing and gaming, while the 8Gb capacity allows multiple applications to run simultaneously. The 1.2V supply is efficient for battery-powered devices, and the FBGA-96 package is compact for slim designs. The B-die technology offers good overclocking headroom for enthusiasts. Designers should consider the thermal profile, as consumer devices may have limited airflow, and ensure proper PCB layout for signal integrity.

πŸš—

Automotive Infotainment

The K4A8G165WG-BCWE can be used in automotive infotainment systems for navigation, media playback, and connectivity. Its 8Gb density supports complex user interfaces, and the 3200 Mbps speed ensures responsive performance. The 0Β°C to +85Β°C range is suitable for cabin environments, and the 1.2V operation reduces heat in enclosed spaces. The FBGA-96 package is compact for dashboard integration. However, for automotive-grade requirements, consider AEC-Q100 qualified parts. Designers should ensure the memory meets automotive reliability standards and use proper ESD protection on the interface.

πŸ”§

FPGA-Based Prototyping

The K4A8G165WG-BCWE is commonly used with FPGAs for prototyping high-speed digital systems. Its 3200 Mbps data rate matches the capabilities of modern FPGA transceivers, and the 8Gb capacity provides ample storage for test vectors and data buffers. The parallel interface connects directly to FPGA I/O banks, and the 1.2V supply is compatible with FPGA power rails. The FBGA-96 package is easy to route on multi-layer PCBs. Designers should use the FPGA's memory controller IP to simplify integration and ensure timing closure at 3200 Mbps. Proper decoupling and signal integrity are critical for reliable operation.

What is the memory size and organization of K4A8G165WG-BCWE?
The K4A8G165WG-BCWE is an 8Gb DDR4 SDRAM organized as 512M x 16. According to the Samsung datasheet, it has a memory size of 8 Gbit and a 512M x 16 organization, meaning 512 million addresses each storing 16 bits of data. This configuration is common in applications requiring a wide data bus.
What is the data rate of K4A8G165WG-BCWE?
The K4A8G165WG-BCWE operates at a data rate of 3200 Mbps, which corresponds to DDR4-3200 (PC4-25600). This speed is specified in the DigiKey product listing and is suitable for high-bandwidth applications such as servers and networking equipment.
What is the operating voltage of K4A8G165WG-BCWE?
The K4A8G165WG-BCWE operates from a 1.2V power supply, which is standard for DDR4 memory. This lower voltage compared to DDR3 (1.5V) reduces power consumption by approximately 25%, as noted in Samsung's DDR4 product page.
What is the operating temperature range of K4A8G165WG-BCWE?
The K4A8G165WG-BCWE has an operating temperature range of 0Β°C to +85Β°C, as listed on LCSC. This is the standard commercial temperature range for DDR4 memory, making it suitable for most consumer and industrial applications.
What is the package type of K4A8G165WG-BCWE?
The K4A8G165WG-BCWE is supplied in a 96-ball FBGA (Fine-Pitch Ball Grid Array) package. This package is commonly used for DDR4 memory and allows for compact PCB layouts with good thermal and electrical performance.
Where can I buy K4A8G165WG-BCWE online?
The K4A8G165WG-BCWE is available from several distributors including DigiKey, LCSC, and Win Source. As of 2026-08-19, LCSC lists it at $44.97 for 500 units, and GlobalChipmall at $52.90 for 1 unit. Check current stock and pricing on these platforms.
What is the price of K4A8G165WG-BCWE?
As of 2026-08-19, the price of K4A8G165WG-BCWE varies by distributor and quantity. LCSC lists it at $44.97 for 500 units, while GlobalChipmall lists it at $52.90 for 1 unit. For bulk pricing, Octopart shows discounts from 11 distributors.
What is the lead time for K4A8G165WG-BCWE?
The lead time for K4A8G165WG-BCWE depends on distributor stock. DigiKey shows it as 'ships today' with stock available, and LCSC indicates it is in stock. For large orders, lead time may vary; contact the distributor for current lead time information.
Is K4A8G165WG-BCWE in stock?
Yes, the K4A8G165WG-BCWE is in stock at multiple distributors as of 2026-08-19. DigiKey lists it as 'ships today', LCSC shows it in stock, and icDirectory reports 43,850 units in stock. Availability may change, so verify with the distributor.
K4A8G165WG-BCWE vs K4A8G165WC-BCTD - which is better for high-speed applications?
The K4A8G165WG-BCWE and K4A8G165WC-BCTD are both 8Gb DDR4 SDRAM from Samsung, but the BCWE variant supports 3200 Mbps while the BCTD variant supports 2666 Mbps. For high-speed applications requiring maximum bandwidth, the BCWE is better. However, the BCTD may be more cost-effective if 2666 Mbps is sufficient.
What is the difference between K4A8G165WG-BCWE and K4A8G165WB-BCTD?
The K4A8G165WG-BCWE and K4A8G165WB-BCTD are both 8Gb DDR4 SDRAM, but the BCWE variant has a data rate of 3200 Mbps, while the BCTD variant operates at 2666 Mbps. Additionally, the BCWE is a B-die, which is known for better overclocking potential. The package and pinout are similar, but timing parameters differ.
When should I choose K4A8G165WG-BCWE over K4A8G165WC-BCTD?
Choose the K4A8G165WG-BCWE when you need the highest data rate of 3200 Mbps for bandwidth-intensive applications like servers or high-end computing. If your design can operate at 2666 Mbps and cost is a concern, the K4A8G165WC-BCTD may be a more economical choice, but verify timing compatibility.
What is the best drop-in replacement for K4A8G165WG-BCWE?
The best drop-in replacement for K4A8G165WG-BCWE is the Samsung K4A8G165WC-BCWE, which is pin-compatible and offers the same 8Gb density and 3200 Mbps speed. Cross-brand options include Micron MT40A1G8WE-075E and SK Hynix H5AN8G6NDJR-UHC, but verify pin compatibility and timing parameters.
Can Micron MT40A1G8WE-075E replace K4A8G165WG-BCWE?
Yes, the Micron MT40A1G8WE-075E is a drop-in replacement for K4A8G165WG-BCWE in many applications, as both are 8Gb DDR4 SDRAM with x16 organization and 3200 Mbps speed. However, always verify pin compatibility and timing parameters, as subtle differences may exist in the FBGA-96 package.
Where can I download the K4A8G165WG-BCWE datasheet PDF?
The K4A8G165WG-BCWE datasheet is available from Alldatasheet, which lists the part as K4A8G165WB with a 69-page PDF. You can download it from https://www.alldatasheet.com/datasheet-pdf/pdf/1132822/SAMSUNG/K4A8G165WB.html. The datasheet provides full specifications, pinout, and timing diagrams.
Where can I find the K4A8G165WG-BCWE pinout?
The K4A8G165WG-BCWE pinout is detailed in the Samsung datasheet, available on Alldatasheet. The device uses a 96-ball FBGA package with specific ball assignments for DQ, address, command, and power pins. Refer to the datasheet's pin configuration section for the exact pinout.
Hey Google, what can replace K4A8G165WG-BCWE?
The K4A8G165WG-BCWE can be replaced by Samsung K4A8G165WC-BCWE, which is pin-compatible and offers the same 8Gb density and 3200 Mbps speed. Cross-brand options include Micron MT40A1G8WE-075E and SK Hynix H5AN8G6NDJR-UHC, but verify pin compatibility and timing parameters.
Is K4A8G165WG-BCWE the same as K4A8G165WC-BCWE?
No, the K4A8G165WG-BCWE and K4A8G165WC-BCWE are different part numbers, but they are likely pin-compatible and have similar specifications. The 'G' and 'C' in the part number may indicate different die revisions or speed grades. Always verify the datasheet for exact differences.
What are the key specifications of K4A8G165WG-BCWE that engineers should know?
The K4A8G165WG-BCWE is an 8Gb DDR4 SDRAM with 512M x 16 organization, 3200 Mbps data rate, 1.2V supply, and 0Β°C to +85Β°C operating temperature. It comes in a 96-ball FBGA package and has a typical operating current of 20mA. These specs make it suitable for high-bandwidth applications.
What is the best Samsung equivalent for K4A8G165WG-BCWE?
The best Samsung equivalent for K4A8G165WG-BCWE is the K4A8G165WC-BCWE, which is pin-compatible and offers the same 8Gb density and 3200 Mbps speed. Other Samsung options include K4A8G165WB-BCTD (2666 Mbps) and K4AAG165WB-MCTD (16Gb), but verify compatibility.

Engineering reference data for K4A8G165WG-BCWE β€” comparison, design guidance, and compliance information.

Selection Guide

Choose the K4A8G165WG-BCWE when you need 8Gb DDR4 with 3200 Mbps speed and are designing for high-performance computing, networking, or industrial applications. If you require the same performance but want a pin-compatible Samsung alternative, the K4A8G165WC-BCWE is a direct drop-in. For cost-sensitive designs that can operate at 2666 Mbps, the K4A8G165WB-BCTD offers lower speed but may be cheaper. Cross-brand options like Micron MT40A1G8WE-075E and SK Hynix H5AN8G6NDJR-UHC are viable if you need dual sourcing, but verify timing parameters and pinout. For automotive or extended temperature applications, consider AEC-Q100 qualified parts. Always validate the memory controller compatibility and perform signal integrity analysis at 3200 Mbps.

Comparison with Alternatives

Parameter This Product K4A8G165WC-BCWE K4A8G165WB-BCTD MT40A1G8WE-075E H5AN8G6NDJR-UHC
Package FBGA-96 FBGA-96 FBGA-96 FBGA-96 FBGA-96
Brand Samsung Semiconductor Samsung Semiconductor Samsung Semiconductor Micron Technology SK Hynix
Memory Size 8 Gbit 8 Gbit 8 Gbit 8 Gbit 8 Gbit
Memory Organization 512M x 16 512M x 16 512M x 16 512M x 16 512M x 16
Data Rate 3200 Mbps 3200 Mbps 2666 Mbps 3200 Mbps 3200 Mbps
Supply Voltage 1.2 V 1.2 V 1.2 V 1.2 V 1.2 V
Operating Temperature 0Β°C to +85Β°C 0Β°C to +85Β°C 0Β°C to +85Β°C 0Β°C to +85Β°C 0Β°C to +85Β°C
Technology B-die B-die B-die [DATA_NEEDED] [DATA_NEEDED]

Key Differentiators

  • 3200 Mbps data rate for high bandwidth (vs K4A8G165WB-BCTD)
  • B-die technology for overclocking (vs MT40A1G8WE-075E)
  • Same-brand drop-in compatibility (vs H5AN8G6NDJR-UHC)

Design Notes

The K4A8G165WG-BCWE requires a stable 1.2V supply for VDD and VDDQ. Use a low-noise LDO or a switching regulator with proper filtering to minimize ripple. Place 0.1uF and 1uF ceramic capacitors close to each VDD and VDDQ pin, and a bulk capacitor (10uF) near the power entry point. Ensure the power plane has low impedance to handle transient currents during read/write operations.

For 3200 Mbps DDR4 signaling, maintain controlled impedance of 40-50 ohms for DQ, DQS, and address/command lines. Keep trace lengths matched within +/- 10 mils for each byte lane. Use a solid ground plane beneath the memory area and avoid splitting planes. Place the memory close to the controller to minimize stub lengths. Follow the layout guidelines in the Samsung datasheet for optimal signal integrity.

The K4A8G165WG-BCWE operates up to +85Β°C, so ensure adequate cooling in high-density designs. The FBGA-96 package dissipates heat through the PCB; use thermal vias under the package to conduct heat to inner ground planes. In systems with limited airflow, consider adding a heatsink or forced air cooling. Monitor the junction temperature to avoid exceeding the maximum rating.

Compliance Information

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

RoHS compliance inferred from distributor listings; REACH and conflict minerals not specified in provided data.

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