K4B4G1646D-BPH90 - 4Gb DDR3L SDRAM x16 96FBGA | Samsung
料号： K4B4G1646D-BPH90 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $10.32 | $10.32 |
| 10 | $9.5 | $95.00 |
| 100 | $8.75 | $875.00 |
| 500 | $8.1 | $4,050.00 |
| 1,000 | $7.6 | $7,600.00 |
K4B4G1646D-BPH90 概述
DDR3L SDRAM is a type of dynamic random-access memory that operates at a lower voltage (1.35V) compared to standard DDR3 (1.5V), reducing power consumption while maintaining high bandwidth. It is part of the DDR3 memory family, which is widely used in computing, networking, and embedded systems. The K4B4G1646D-BPH90 is specifically a 4Gb density device with a 16-bit data bus, making it suitable for applications requiring moderate memory capacity with high-speed data access.
Key features include a data rate of 2133Mb/s per pin, 8 internal banks, and support for burst lengths of 8 and 4 (with burst chop). The device includes on-die termination (ODT) for improved signal integrity, ZQ calibration for output driver calibration, and a programmable CAS latency of up to 14. It also features auto precharge, asynchronous reset, and data mask functions. The 96FBGA package measures 13mm x 11.5mm with a 0.8mm ball pitch, enabling high-density PCB layouts.
Technically, the K4B4G1646D-BPH90 uses Samsung's D-die process technology, which offers improved performance and power efficiency compared to earlier die revisions. The device supports a wide operating temperature range of 0°C to +85°C, making it suitable for commercial and industrial applications. It is lead-free and halogen-free, complying with RoHS regulations.
Typical applications include networking equipment (routers, switches), embedded computing systems, industrial automation, and consumer electronics such as set-top boxes and smart TVs. Its high-speed interface and low power consumption make it ideal for systems requiring reliable memory performance.
When designing with this component, ensure proper decoupling capacitors near the power pins and follow the layout guidelines in the datasheet to maintain signal integrity at high data rates. The device requires a 1.35V supply and a separate VDDQ supply, which should be carefully regulated.
直接替换替代料： K4B4G1646D-BPH90 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： K4B4G1646D-BPH90 （相同外形与封装尺寸） ——差异在于 Package, CAS Latency, Data Rate, Operating Temperature, Supply Voltage.
快速对比工具——选择替代料号进行并排对比：
K4B4G1646D-BMH9
✅ 直接替换✓ 有现货
$6.5 / 个
查看数据手册 →K4B4G1646D-BCH90
✅ 直接替换✓ 有现货
$7.5 / 个
查看数据手册 →K4B4G1646D-BYH90
✅ 直接替换✓ 有现货
$8.8 / 个
查看数据手册 →MT41K256M16HA-125
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$6.3636 / 个
查看数据手册 →IS43TR16256A-125KBL
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$19.0909 / 个
查看数据手册 →W634GU6RB-12
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$9.5 / 个
查看数据手册 →K4B4G1646D-BPH90 最大额定值与电气特性
| 存储器类型 | DDR3L SDRAM |
| Density | 4Gb |
| 存储组织 | 32M x 16 |
| Number of Banks | 8 |
| 数据速率 | 2133 Mb/s per pin |
| 电源电压 | 1.35V (DDR3L) |
| 封装 | 96FBGA |
| 工作温度 | 0°C to +85°C |
| CAS 延迟 | Programmable up to 14 |
| Burst Length | 8, 4 (with burst chop) |
| On-Die Termination | Yes |
| ZQ Calibration | Yes |
| Auto Precharge | Yes |
| Asynchronous Reset | Yes |
| Data Mask | Yes |
| Lead-Free | Yes |
| 无卤 | Yes |
| RoHS Compliant | Yes |
K4B4G1646D-BPH90 引脚配置
| 引脚 A1 | VDD — Power supply (1.35V) |
| 引脚 A2 | DQ0 — Data input/output 0 |
| 引脚 A3 | DQ1 — Data input/output 1 |
| 引脚 A4 | VSS — Ground |
| 引脚 A5 | DQ2 — Data input/output 2 |
| 引脚 A6 | DQ3 — Data input/output 3 |
| 引脚 A7 | VDDQ — DQ power supply |
| 引脚 A8 | DQ4 — Data input/output 4 |
| 引脚 A9 | DQ5 — Data input/output 5 |
| 引脚 A10 | VSS — Ground |
| 引脚 A11 | DQ6 — Data input/output 6 |
| 引脚 A12 | DQ7 — Data input/output 7 |
| 引脚 A13 | VDD — Power supply |
| 引脚 B1 | VSS — Ground |
| 引脚 B2 | DQ8 — Data input/output 8 |
| 引脚 B3 | DQ9 — Data input/output 9 |
| 引脚 B4 | VDDQ — DQ power supply |
| 引脚 B5 | DQ10 — Data input/output 10 |
| 引脚 B6 | DQ11 — Data input/output 11 |
| 引脚 B7 | VSS — Ground |
| 引脚 B8 | DQ12 — Data input/output 12 |
| 引脚 B9 | DQ13 — Data input/output 13 |
| 引脚 B10 | VDDQ — DQ power supply |
| 引脚 B11 | DQ14 — Data input/output 14 |
| 引脚 B12 | DQ15 — Data input/output 15 |
| 引脚 B13 | VSS — Ground |
| 引脚 C1 | VDD — Power supply |
| 引脚 C2 | A0 — Address input 0 |
| 引脚 C3 | A1 — Address input 1 |
| 引脚 C4 | A2 — Address input 2 |
| 引脚 C5 | A3 — Address input 3 |
| 引脚 C6 | A4 — Address input 4 |
| 引脚 C7 | A5 — Address input 5 |
| 引脚 C8 | A6 — Address input 6 |
| 引脚 C9 | A7 — Address input 7 |
| 引脚 C10 | A8 — Address input 8 |
| 引脚 C11 | A9 — Address input 9 |
| 引脚 C12 | A10/AP — Address input 10 / Auto precharge |
| 引脚 C13 | VSS — Ground |
| 引脚 D1 | VSS — Ground |
| 引脚 D2 | A11 — Address input 11 |
| 引脚 D3 | A12 — Address input 12 |
| 引脚 D4 | A13 — Address input 13 |
| 引脚 D5 | BA0 — Bank address 0 |
| 引脚 D6 | BA1 — Bank address 1 |
| 引脚 D7 | BA2 — Bank address 2 |
| 引脚 D8 | RAS# — Row address strobe |
| 引脚 D9 | CAS# — Column address strobe |
| 引脚 D10 | WE# — Write enable |
| 引脚 D11 | CS# — Chip select |
| 引脚 D12 | CKE — Clock enable |
| 引脚 D13 | VDD — Power supply |
| 引脚 E1 | VDDQ — DQ power supply |
| 引脚 E2 | ODT — On-die termination |
| 引脚 E3 | CK — Clock (positive) |
| 引脚 E4 | CK# — Clock (negative) |
| 引脚 E5 | VSS — Ground |
| 引脚 E6 | DM0 — Data mask 0 |
| 引脚 E7 | DM1 — Data mask 1 |
| 引脚 E8 | VDDQ — DQ power supply |
| 引脚 E9 | RESET# — Asynchronous reset |
| 引脚 E10 | VSS — Ground |
| 引脚 E11 | ZQ — ZQ calibration |
| 引脚 E12 | VDD — Power supply |
| 引脚 E13 | VSS — Ground |
| 引脚 F1 | VSS — Ground |
| 引脚 F2 | VDD — Power supply |
| 引脚 F3 | VSS — Ground |
| 引脚 F4 | VDDQ — DQ power supply |
| 引脚 F5 | VSS — Ground |
| 引脚 F6 | VDDQ — DQ power supply |
| 引脚 F7 | VSS — Ground |
| 引脚 F8 | VDDQ — DQ power supply |
| 引脚 F9 | VSS — Ground |
| 引脚 F10 | VDDQ — DQ power supply |
| 引脚 F11 | VSS — Ground |
| 引脚 F12 | VDD — Power supply |
| 引脚 F13 | VSS — Ground |
典型应用
K4B4G1646D-BPH90 适用于 6 应用s: Networking Equipment, Embedded Computing, Industrial Automation, Consumer Electronics, Data Center Servers, Automotive Infotainment.
Networking Equipment
The K4B4G1646D-BPH90 provides high-speed 2133Mb/s data transfer and low power consumption, making it ideal for routers and switches that require fast packet processing and large buffer memory. Its 4Gb density supports heavy traffic loads, while the 1.35V operation reduces thermal dissipation in dense chassis. The 96FBGA package allows compact board designs, and the on-die termination improves signal integrity in high-speed serial links.
推荐
Embedded Computing
In embedded systems, the K4B4G1646D-BPH90 offers a balance of capacity and speed, with 4Gb density and 2133Mb/s data rate. Its low 1.35V supply is suitable for power-sensitive applications like industrial PCs and single-board computers. The 96FBGA package fits space-constrained designs, and the wide operating temperature range (0°C to +85°C) ensures reliability in harsh environments. The device's auto precharge and ZQ calibration simplify memory controller design.
推荐
Industrial Automation
The K4B4G1646D-BPH90 is well-suited for industrial automation controllers that require reliable memory with high bandwidth. Its 2133Mb/s data rate enables fast data logging and real-time processing, while the 1.35V operation reduces power consumption in 24/7 operation. The 96FBGA package provides robustness against vibration, and the device's on-die termination helps maintain signal integrity in noisy industrial environments. The 0°C to +85°C temperature range covers most industrial applications.
推荐
Consumer Electronics
For consumer devices like smart TVs and set-top boxes, the K4B4G1646D-BPH90 provides high-speed memory at low power, enhancing user experience with smooth video playback and fast app loading. The 4Gb density is sufficient for modern multimedia applications, and the 1.35V supply helps meet energy efficiency standards. The compact 96FBGA package enables slim device designs, and the device's low power consumption extends battery life in portable consumer electronics.
推荐
Data Center Servers
In data center servers, the K4B4G1646D-BPH90 offers high bandwidth and capacity for virtualization and cloud computing workloads. Its 2133Mb/s data rate supports fast data access, while the 1.35V operation reduces power consumption in large server farms. The 96FBGA package allows high-density memory modules, and the device's on-die termination improves signal integrity in high-speed server memory channels. The 0°C to +85°C range is suitable for server environments.
推荐
Automotive Infotainment
The K4B4G1646D-BPH90 is suitable for automotive infotainment systems that require high-speed memory for navigation, multimedia, and connectivity. Its 2133Mb/s data rate ensures smooth graphics and video playback, while the 1.35V supply reduces power consumption in vehicles. The 96FBGA package is compact and robust, and the device's wide temperature range (0°C to +85°C) covers most automotive cabin environments. On-die termination helps maintain signal integrity in the presence of electromagnetic interference.
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推荐产品汇总
工程参考数据： K4B4G1646D-BPH90 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | K4B4G1646D-BMH9 | K4B4G1646D-BCH90 | K4B4G1646D-BYH90 | MT41K256M16HA-125 | IS43TR16256A-125KBL | W634GU6RB-12 |
|---|---|---|---|---|---|---|---|
| Package | 96FBGA | 96FBGA | 96FBGA | 96FBGA | 96FBGA | 96FBGA | 96FBGA |
| Brand | Samsung Electronics | Samsung Electronics | Samsung Electronics | Samsung Electronics | Micron Technology | ISSI | Winbond |
| Density | 4Gb | 4Gb | 4Gb | 4Gb | 4Gb | 4Gb | 4Gb |
| Organization | 32M x 16 | 32M x 16 | 32M x 16 | 32M x 16 | 32M x 16 | 32M x 16 | 32M x 16 |
| Data Rate | 2133 Mb/s | 1866 Mb/s | 1600 Mb/s | 1866 Mb/s | 1600 Mb/s | 1600 Mb/s | 1866 Mb/s |
| Supply Voltage | 1.35V | 1.35V | 1.35V | 1.35V | 1.35V | 1.35V | 1.35V |
| Operating Temperature | 0°C to +85°C | 0°C to +85°C | 0°C to +85°C | 0°C to +85°C | 0°C to +85°C | 0°C to +85°C | 0°C to +85°C |
| RoHS Compliant | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
关键差异点
- Higher data rate of 2133Mb/s （对比 K4B4G1646D-BCH90)
- DDR3L low voltage operation （对比 Standard DDR3 (1.5V))
- Samsung D-die process （对比 Older die revisions)
设计说明
The K4B4G1646D-BPH90 requires a 1.35V VDD supply and a separate VDDQ supply. Use low-impedance decoupling capacitors (e.g., 0.1uF and 1uF) placed close to each VDD/VDDQ pin to minimize power supply noise. Ensure the power plane has adequate copper area to handle transient currents during read/write operations.
Follow the layout guidelines in the Samsung datasheet for high-speed DDR3L signals. Maintain controlled impedance for DQ, DQS, and address/command lines (typically 40-60 ohms). Keep trace lengths matched within +/- 10 mils for data and strobe pairs to ensure signal integrity at 2133Mb/s.
The device operates up to +85°C, but ensure adequate airflow or heatsinking in high-temperature environments. The 96FBGA package has a thermal resistance that should be considered; use thermal vias under the package to improve heat dissipation to the PCB ground plane.
合规信息
Lead-free and halogen-free per datasheet. RoHS compliant. Not AEC-Q100 qualified.
