K4B4G1646I-BYK0 - 4Gb DDR3L SDRAM 256Mx16 | Samsung
MPN: K4B4G1646I-BYK0 ✓ Hoạt độngK4B4G1646I-BYK0 Tóm tắt
DDR3L SDRAM (Double Data Rate 3 Low Voltage) is a type of synchronous dynamic random-access memory that operates at 1.35V, reducing power consumption by about 20% compared to standard 1.5V DDR3. It is part of the DDR3 memory family, which uses double data rate signaling to transfer data on both edges of the clock, and is widely used in laptops, servers, and embedded systems where power efficiency is critical.
Key features include a 4Gb density, 16-bit I/O width, 1.35V core voltage, and support for data rates up to 1866 Mbps. The device features on-die termination (ODT), programmable CAS latency, and burst lengths of 8 and 4. It also includes auto-refresh and self-refresh modes for power saving, making it suitable for battery-powered devices.
The K4B4G1646I-BYK0 uses a high-performance CMOS process and a bank architecture of 8 banks, enabling high-speed random access. The FBGA-96 package provides excellent thermal and electrical performance, with a ball pitch of 0.8mm. The device supports a temperature range of 0°C to 95°C (case temperature), ensuring reliable operation in various environments.
Typical applications include mobile devices, embedded computing, networking equipment, and industrial automation. Its low voltage and high density make it ideal for memory-intensive applications where space and power are constrained.
When designing with this memory, 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 1.35V supply and a reference voltage (VREF) for the I/O.
Bộ thay thế dễ dàng lắp đặt cho K4B4G1646I-BYK0 — 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 K4B4G1646I-BYK0 (cùng hình factor và footprint) — khác nhau ở Package, Supply Voltage, Burst Length, CAS Latency, Data Rate.
K4B4G1646E-BYK0
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →K4B4G1646D-BYK0
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →K4B4G1646E-BYK000
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MT41K256M16HA-125
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →H5TQ4G63AFR-PBA
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
K4B4G1646I-BYK0 Tỷ lệ tối đa & tính chất điện
| Kiểu bộ nhớ | DDR3L SDRAM |
| Kích thước bộ nhớ | 4 Gb |
| Tổ chức | 256M x 16 |
| Điện áp cung cấp | 1.35 V |
| Tốc độ dữ liệu | 1866 Mbps |
| Clock Frequency | 933 MHz |
| Hộp | FBGA-96 |
| Nhiệt độ hoạt động | 0°C to 95°C (Tc) |
| Giao diện | Parallel |
| Number of Banks | 8 |
| Burst Length | 8, 4 |
| RoHS | Compliant |
| Kiểu lắp đặt | Surface Mount |
| Lead-Free | Yes |
Cấu hình chân K4B4G1646I-BYK0
| Chân A1 | VDD — Power supply (1.35V) |
| Chân A2 | DQ0 — Data input/output 0 |
| Chân A3 | DQ1 — Data input/output 1 |
| Chân B1 | VSS — Ground |
| Chân B2 | DQ2 — Data input/output 2 |
| Chân B3 | DQ3 — Data input/output 3 |
| Chân C1 | VDDQ — I/O power supply |
| Chân C2 | DQ4 — Data input/output 4 |
| Chân C3 | DQ5 — Data input/output 5 |
| Chân D1 | VSSQ — I/O ground |
| Chân D2 | DQ6 — Data input/output 6 |
| Chân D3 | DQ7 — Data input/output 7 |
| Chân E1 | DQS0 — Data strobe 0 |
| Chân E2 | DQS#0 — Data strobe complement 0 |
| Chân E3 | VSS — Ground |
Ứng dụng tiêu biểu
K4B4G1646I-BYK0 phù hợp cho 6 Áp dụngs: Mobile Devices, Embedded Computing, Networking Equipment, Industrial Automation, Consumer Electronics, Data Storage Systems.
Mobile Devices
The K4B4G1646I-BYK0's low 1.35V operation and 4Gb density make it ideal for smartphones and tablets. Its FBGA-96 package saves board space, and the 1866 Mbps data rate supports high-bandwidth applications like HD video and gaming. Power efficiency extends battery life, while the 0°C to 95°C range covers typical consumer use.
Được đề xuất
Embedded Computing
In embedded systems, the K4B4G1646I-BYK0 provides high-density volatile storage for data logging, real-time processing, and OS operation. Its 1.35V supply reduces thermal load, and the 96-ball FBGA allows compact PCB layouts. The 1866 Mbps speed ensures fast data access for industrial controllers and IoT gateways.
Được đề xuất
Networking Equipment
Routers, switches, and network appliances require fast, reliable memory for packet buffering and routing tables. The K4B4G1646I-BYK0's 1866 Mbps data rate and 4Gb capacity handle high-throughput traffic. Its low voltage reduces power consumption in always-on equipment, and the FBGA package withstands continuous operation.
Được đề xuất
Industrial Automation
Industrial controllers and PLCs use the K4B4G1646I-BYK0 for program storage and data buffering. Its 0°C to 95°C temperature range suits factory environments, and the 1.35V operation minimizes heat generation. The 256Mx16 organization simplifies interfacing with 16-bit microcontrollers, and the FBGA package offers robust solder joints.
Được đề xuất
Consumer Electronics
Smart TVs, set-top boxes, and gaming consoles use DDR3L for system memory. The K4B4G1646I-BYK0's 4Gb capacity supports multitasking and multimedia, while 1.35V reduces power consumption. Its high data rate enables smooth video playback and responsive user interfaces.
Được đề xuất
Data Storage Systems
In SSDs and network-attached storage, the K4B4G1646I-BYK0 serves as cache memory. Its low latency and high bandwidth improve read/write performance. The 1.35V supply reduces power in data centers, and the FBGA package supports high-density board designs.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho K4B4G1646I-BYK0 — 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 | K4B4G1646E-BYK0 | K4B4G1646D-BYK0 | MT41K256M16HA-125 |
|---|---|---|---|---|
| Package | FBGA-96 | FBGA-96 | FBGA-96 | FBGA-96 |
| Brand | Samsung Electronics | Samsung Electronics | Samsung Electronics | Micron Technology |
| Memory Size | 4 Gb | 4 Gb | 4 Gb | 4 Gb |
| Organization | 256M x 16 | 256M x 16 | 256M x 16 | 256M x 16 |
| Supply Voltage | 1.35 V | 1.35 V | 1.35 V | 1.35 V |
| Data Rate | 1866 Mbps | 1866 Mbps | 1866 Mbps | 1866 Mbps |
| Operating Temperature | 0°C to 95°C | 0°C to 95°C | 0°C to 95°C | 0°C to 95°C |
| RoHS | Compliant | Compliant | Compliant | Compliant |
Bảo phân biệt quan trọng
- Low voltage operation (vsMT41K256M16HA-125)
- High density in small package (vsK4B2G1646F-BYK0)
- Newer die revision (vsK4B4G1646E-BYK0)
Ghi chú thiết kế
Place decoupling capacitors (0.1uF and 1uF) close to each VDD and VDDQ pin. Use a solid ground plane and minimize trace lengths for DQ and DQS signals to reduce noise and signal integrity issues.
The FBGA-96 package has a thermal resistance of approximately 20°C/W. At 1.35V and typical currents, power dissipation is low, but ensure adequate airflow or a thermal pad for high-temperature environments. Monitor case temperature to stay within 95°C.
Route address and control signals with matched lengths to ensure timing. Use series termination resistors (22-33 ohm) for DQ and DQS lines. Follow the layout guidelines in the Samsung datasheet for optimal performance.
Thông tin tuân thủ
RoHS compliant per distributor listings. AEC-Q100 not applicable for memory ICs.
