K4B4G1646E-BMK0 - 4Gb DDR3L SDRAM 1600Mbps | Samsung
料号： K4B4G1646E-BMK0 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $8.5 | $8.50 |
| 10 | $7.8 | $78.00 |
| 100 | $7.2 | $720.00 |
| 500 | $6.8 | $3,400.00 |
| 1,000 | $6.5 | $6,500.00 |
K4B4G1646E-BMK0 概述
DDR3L SDRAM is a type of double data rate synchronous dynamic random-access memory that operates at a lower voltage (1.35V) compared to standard DDR3 (1.5V), reducing power consumption by approximately 15% while maintaining similar performance. It is part of the DDR3 memory family, which uses an 8n-prefetch architecture to achieve high data rates, and is widely used in servers, laptops, and embedded systems.
Key features include a data rate of 1600 Mbps, a 16-bit I/O width, and support for various functions such as auto precharge, asynchronous reset, ZQ calibration, dynamic on-chip termination (ODT), and data mask. The device operates over a temperature range of -40°C to +95°C, making it suitable for industrial and automotive applications.
The K4B4G1646E uses Samsung's E-die process technology, which offers improved performance and power efficiency compared to earlier die revisions. It supports programmable CAS latency, burst length of 8, and on-die termination for signal integrity. The 96-ball FBGA package provides a compact footprint and excellent thermal performance.
Typical applications include main memory in embedded systems, networking equipment, industrial PCs, and automotive infotainment. Its low voltage and wide temperature range make it ideal for power-sensitive and harsh environments.
When designing with this device, ensure proper decoupling capacitors near the power pins and follow the layout guidelines in the datasheet to minimize signal integrity issues. The ZQ calibration pin requires a 240-ohm resistor to ground for proper operation.
直接替换替代料： K4B4G1646E-BMK0 ——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： K4B4G1646E-BMK0 （相同外形与封装尺寸） ——差异在于 Package, Operating Temperature, Data Rate, Supply Voltage, Burst Length.
快速对比工具——选择替代料号进行并排对比：
K4B4G1646E-BMMA
✅ 直接替换✓ 有现货
$16.0781 / 个
查看数据手册 →K4B4G1646E-BYK0
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$1.8 / 个
查看数据手册 →K4B4G1646E-BYMA
✅ 直接替换✓ 有现货
$14.3182 / 个
查看数据手册 →K4B4G1646D-BMK0
✅ 直接替换✓ 有现货
$5.9 / 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 →H5TC4G63AFR-PBA
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$3.9773 / 个
查看数据手册 →IS43TR16256AL-125KBL
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$5.6 / 个
查看数据手册 →K4B4G1646E-BMK0 最大额定值与电气特性
| Density | 4 Gb |
| 存储组织 | 256M x 16 |
| Speed Grade | 1600 Mbps |
| Voltage | 1.35 V |
| 工作温度 | -40°C to +95°C |
| 封装 | 96-FBGA |
| 接口 | Parallel |
| Clock Frequency | 800 MHz |
| 数据速率 | 1600 Mbps |
| 存储器类型 | DDR3L SDRAM |
| 安装类型 | Surface Mount |
| Auto Precharge | Yes |
| Asynchronous Reset | Yes |
| ZQ Calibration | Yes |
| Dynamic ODT | Yes |
| Data Mask | Yes |
K4B4G1646E-BMK0 引脚配置
| 引脚 A1 | VDD — Power supply |
| 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 | VDD — 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 B1 | VDDQ — I/O power supply |
| 引脚 B2 | DQ8 — Data input/output 8 |
| 引脚 B3 | DQ9 — Data input/output 9 |
| 引脚 B4 | VSSQ — I/O ground |
| 引脚 B5 | DQ10 — Data input/output 10 |
| 引脚 B6 | DQ11 — Data input/output 11 |
| 引脚 B7 | VDDQ — I/O power supply |
| 引脚 B8 | DQ12 — Data input/output 12 |
| 引脚 B9 | DQ13 — Data input/output 13 |
| 引脚 B10 | VSSQ — I/O ground |
| 引脚 B11 | DQ14 — Data input/output 14 |
| 引脚 B12 | DQ15 — Data input/output 15 |
典型应用
K4B4G1646E-BMK0 适用于 6 应用s: Industrial PCs, Networking Equipment, Automotive Infotainment, Embedded Computing, Medical Devices, Test & Measurement.
Industrial PCs
The K4B4G1646E-BMK0 provides 4Gb of DDR3L memory for industrial PCs, offering reliable operation over -40°C to +95°C. Its 1.35V operation reduces power consumption and heat generation, which is critical in sealed enclosures. The 1600 Mbps data rate ensures fast processing for control and monitoring tasks. With a 96-FBGA package, it fits compact motherboards. Recommended companion products include the NDL46PFP-8KET for storage and the STM32F767BGT6 for system control.
推荐
Networking Equipment
In networking equipment like routers and switches, the K4B4G1646E-BMK0 offers high-bandwidth memory for packet buffering and forwarding tables. Its 1600 Mbps data rate and 16-bit interface provide sufficient throughput for gigabit and 10-gigabit networks. The low 1.35V supply reduces power in 24/7 operation. The wide temperature range ensures reliability in telecom cabinets. Companion products include the XC7Z020 FPGA for packet processing and the W634GU6RB12I for additional memory.
推荐
Automotive Infotainment
The K4B4G1646E-BMK0 is suitable for automotive infotainment systems, providing 4Gb of memory for navigation, media playback, and connectivity. Its -40°C to +95°C range covers automotive temperature grades, and the 1.35V operation is efficient for battery-powered vehicles. The 1600 Mbps speed supports smooth graphics and audio. The 96-FBGA package withstands vibration. Recommended companions include the STM32F746BET6 for display control and the L9978 for power management.
推荐
Embedded Computing
For embedded computing modules, the K4B4G1646E-BMK0 offers a balance of capacity and power efficiency. Its 4Gb density is ideal for running Linux or real-time operating systems. The 1.35V supply extends battery life in portable devices. The 1600 Mbps data rate supports responsive user interfaces. The wide temperature range allows deployment in outdoor or industrial settings. Companion products include the STM32MP1 series processors and the AS4C256M16D3LB-12BIN for additional memory.
推荐
Medical Devices
In medical devices such as patient monitors and diagnostic equipment, the K4B4G1646E-BMK0 provides reliable memory for data acquisition and display. Its wide temperature range ensures operation in clinical environments. The low voltage reduces heat, which is important for patient comfort. The 1600 Mbps speed handles real-time data streams. The 96-FBGA package is compact for portable devices. Recommended companions include the STM32L476VGT6 for low-power processing and the MAX17633BATP+T for power management.
推荐
Test & Measurement
The K4B4G1646E-BMK0 is used in test and measurement equipment like oscilloscopes and signal analyzers, where high-speed data capture requires large memory buffers. Its 1600 Mbps data rate supports fast sampling, and the 4Gb capacity stores long waveforms. The 1.35V supply reduces power in benchtop instruments. The wide temperature range ensures accuracy in varying lab conditions. Companion products include the XC7A100T FPGA for signal processing and the ADC12DJ3200 for high-speed conversion.
推荐
推荐产品汇总
工程参考数据： K4B4G1646E-BMK0 ——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 | K4B4G1646E-BMMA | K4B4G1646E-BYK0 | K4B4G1646E-BYMA | K4B4G1646D-BMK0 | MT41K256M16HA-125 | H5TC4G63AFR-PBA | IS43TR16256AL-125KBL |
|---|---|---|---|---|---|---|---|---|
| Package | 96-FBGA | 96-FBGA | 96-FBGA | 96-FBGA | 96-FBGA | 96-FBGA | 96-FBGA | 96-FBGA |
| Brand | Samsung Electronics | Samsung Electronics | Samsung Electronics | Samsung Electronics | Samsung Electronics | Micron Technology | SK Hynix | ISSI |
| Density | 4 Gb | 4 Gb | 4 Gb | 4 Gb | 4 Gb | 4 Gb | 4 Gb | 4 Gb |
| Organization | 256M x 16 | 256M x 16 | 256M x 16 | 256M x 16 | 256M x 16 | 256M x 16 | 256M x 16 | 256M x 16 |
| Speed Grade | 1600 Mbps | 1600 Mbps | 1866 Mbps | 1600 Mbps | 1600 Mbps | 1600 Mbps | 1600 Mbps | 1600 Mbps |
| Voltage | 1.35 V | 1.35 V | 1.35 V | 1.35 V | 1.35 V | 1.35 V | 1.35 V | 1.35 V |
| Operating Temperature | -40°C to +95°C | -40°C to +95°C | -40°C to +95°C | -40°C to +95°C | -40°C to +95°C | 0°C to +95°C | -40°C to +95°C | -40°C to +95°C |
| Die Revision | E-die | E-die | E-die | E-die | D-die | N/A | N/A | N/A |
关键差异点
- E-die process technology （对比 K4B4G1646D-BMK0)
- Wide temperature range （对比 MT41K256M16HA-125)
- Samsung brand reliability （对比 IS43TR16256AL-125KBL)
设计说明
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 address lines to reduce signal integrity issues. Follow the layout guidelines in the Samsung datasheet for the 96-FBGA package.
The K4B4G1646E-BMK0 operates up to +95°C. Ensure adequate airflow or heatsinking in high-temperature environments. The 96-FBGA package has a thermal resistance that should be considered; refer to the datasheet for theta_JA values and design accordingly.
Do not exceed the absolute maximum ratings for VDD and VDDQ. Ensure the ZQ pin is connected to a 240-ohm resistor to ground for proper calibration. Incorrect termination on DQ and DQS lines can cause data errors; use on-die termination (ODT) settings as recommended.
合规信息
Samsung memory components are generally RoHS compliant. AEC-Q100 not applicable for standard memory ICs.
