K4A8G085WB-BICH - 8Gb DDR4 SDRAM 1Gx8 | Samsung
MPN: K4A8G085WB-BICH ✓ Hoạt độngK4A8G085WB-BICH Tóm tắt
DDR4 SDRAM (Double Data Rate 4 Synchronous Dynamic Random-Access Memory) is a type of volatile memory that transfers data on both edges of the clock, doubling the data rate compared to DDR3. It operates at lower voltages (1.2V) and features higher module densities and improved signal integrity through on-die termination (ODT) and data bus inversion (DBI). DDR4 is the industry standard for main memory in servers, desktops, and embedded systems.
Key features include a 1.2V power supply, 8Gb density, x8 organization, and a 78-ball FBGA package. The device supports various burst lengths (BL8, BL16) and features programmable CAS latency, write latency, and refresh rates. It also includes on-die ECC, error correction coding, and temperature-compensated refresh for enhanced reliability.
Technically, the K4A8G085WB-BICH utilizes Samsung's advanced B-die process technology, offering low power consumption and high-speed operation. It supports a wide operating temperature range of 0°C to 85°C, making it suitable for commercial and industrial environments. The device is RoHS compliant and lead-free.
Typical applications include servers, data centers, networking equipment, and high-end consumer electronics. Its high density and speed make it ideal for memory-intensive tasks such as virtualization, cloud computing, and real-time analytics.
When designing with this component, ensure proper decoupling capacitors near the power pins and follow the layout guidelines in the datasheet to minimize signal integrity issues. The device requires a stable 1.2V supply and careful attention to timing parameters for reliable operation.
Bộ thay thế dễ dàng lắp đặt cho K4A8G085WB-BICH — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với K4A8G085WB-BICH (cùng hình factor và footprint) — khác nhau ở Data Rate, Operating Temperature, Burst Length, Package, Supply Voltage.
K4A8G085WB-BCPB
✅ Drop-In✓ Còn hàng
$13.7813 / Đơn vị
Xem tài liệu →K4A8G085WB-BCRC
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →K4A8G085WB-BIRC
✅ Drop-In✓ Còn hàng
$6.5625 / Đơn vị
Xem tài liệu →K4A8G085WC-BIWE
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →K4A8G085WB-BCTD
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →K4A8G085WB-BITD
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Xem tài liệu →K4A8G085WB-BICH Tỷ lệ tối đa & tính chất điện
| Kiểu bộ nhớ | DDR4 SDRAM |
| Density | 8Gb |
| Tổ chức | 1G x 8 |
| Điện áp cung cấp | 1.2V |
| Tốc độ dữ liệu | 2400 Mbps (DDR4-2400) |
| Hộp | 78-ball FBGA |
| Nhiệt độ hoạt động | 0°C to 85°C |
| Max Supply Current | 170mA |
| Burst Length | BL8, BL16 |
| Latency CAS | Programmable |
| On-Die ECC | Yes |
| Data Bus Inversion | Yes |
| RoHS | Compliant |
| Lead-Free | Yes |
| Die Revision | B-die |
Cấu hình chân K4A8G085WB-BICH
| Chân A1 | VDD — Power supply |
| Chân A2 | DQ0 — Data input/output 0 |
| Chân A3 | DQ1 — Data input/output 1 |
| Chân A4 | VSS — Ground |
| Chân B1 | DQ2 — Data input/output 2 |
| Chân B2 | DQ3 — Data input/output 3 |
| Chân B3 | VDD — Power supply |
| Chân B4 | DQ4 — Data input/output 4 |
| Chân C1 | DQ5 — Data input/output 5 |
| Chân C2 | VSS — Ground |
| Chân C3 | DQ6 — Data input/output 6 |
| Chân C4 | DQ7 — Data input/output 7 |
Ứng dụng tiêu biểu
K4A8G085WB-BICH phù hợp cho 6 Áp dụngs: Server Memory, Networking Equipment, Industrial Computing, Consumer Electronics, Automotive Infotainment, Data Center Storage.
Server Memory
The K4A8G085WB-BICH provides high-density, high-speed memory for servers, enabling fast data processing and virtualization. Its 8Gb density and DDR4-2400 speed support demanding workloads, while 1.2V operation reduces power consumption in data centers. The FBGA-78 package allows compact module designs, and on-die ECC enhances reliability for enterprise applications.
Được đề xuất
Networking Equipment
In networking equipment such as routers and switches, the K4A8G085WB-BICH offers high bandwidth and low latency for packet processing and routing tables. Its 1.2V operation minimizes heat generation, crucial for dense line cards. The x8 organization simplifies board layout, and the wide temperature range supports outdoor and industrial networking gear.
Được đề xuất
Industrial Computing
For industrial PCs and embedded systems, the K4A8G085WB-BICH provides reliable memory operation from 0°C to 85°C. Its high density supports complex control algorithms and data logging. The FBGA package is robust for harsh environments, and the low power consumption is ideal for fanless designs. On-die ECC helps prevent data corruption in critical applications.
Được đề xuất
Consumer Electronics
In high-end consumer devices like gaming consoles and set-top boxes, the K4A8G085WB-BICH delivers fast memory performance for smooth graphics and multitasking. Its 8Gb density allows for rich multimedia experiences, while 1.2V operation extends battery life in portable devices. The compact FBGA package enables slim product designs.
Được đề xuất
Automotive Infotainment
The K4A8G085WB-BICH supports automotive infotainment systems requiring high memory bandwidth for navigation, multimedia, and driver assistance. Its wide temperature range and reliability make it suitable for vehicle environments. The 1.2V operation reduces power draw, and the FBGA package withstands vibration. On-die ECC enhances data integrity for safety-critical functions.
Được đề xuất
Data Center Storage
In data center storage systems, the K4A8G085WB-BICH provides high-speed cache memory for SSDs and storage controllers. Its 8Gb density and DDR4-2400 speed accelerate data access, while low power consumption reduces operational costs. The FBGA package is ideal for high-density storage arrays, and on-die ECC ensures data integrity in large-scale deployments.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho K4A8G085WB-BICH — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | K4A8G085WB-BCPB | K4A8G085WB-BCRC | K4A8G085WB-BIRC |
|---|---|---|---|---|
| Package | 78-ball FBGA | 78-ball FBGA | 78-ball FBGA | 78-ball FBGA |
| Brand | Samsung Electronics | Samsung Electronics | Samsung Electronics | Samsung Electronics |
| Density | 8Gb | 8Gb | 8Gb | 8Gb |
| Organization | 1G x 8 | 1G x 8 | 1G x 8 | 1G x 8 |
| Supply Voltage | 1.2V | 1.2V | 1.2V | 1.2V |
Bảo phân biệt quan trọng
- B-die process technology (vsK4A8G085WC-BIWE (C-die))
- Wide operating temperature range (vsK4A8G085WB-BCPB)
- On-die ECC support (vsK4A8G085WB-BCRC)
Ghi chú thiết kế
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 route DQ signals with matched trace lengths to ensure signal integrity. Follow the layout guidelines in the Samsung datasheet for optimal performance.
The K4A8G085WB-BICH operates up to 85°C. Ensure adequate airflow or heatsinking in high-temperature environments. The max supply current is 170mA, so power dissipation is moderate, but thermal management is still important for reliability.
Use on-die termination (ODT) settings to match the memory controller's impedance and reduce reflections. Set the appropriate ODT values in the memory controller registers. Also, enable data bus inversion (DBI) to reduce simultaneous switching noise.
Thông tin tuân thủ
RoHS compliant per Samsung datasheet. Lead-free. AEC-Q100 not applicable for memory components.
