K4B4G1646E-BMK0 - 4Gb DDR3L SDRAM 1600Mbps | Samsung
MPN： K4B4G1646E-BMK0 ✓ 啟用中K4B4G1646E-BMK0 概覽
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.
直接替換替代品，適用於 K4B4G1646E-BMK0 — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： K4B4G1646E-BMK0 （相同外形與佔位） — 差異在於 Package, Operating Temperature, Data Rate, Supply Voltage, Burst Length.
K4B4G1646E-BMMA
✅ 直接替換✗ 缺貨
$16.0781 / 單位
查看資料表 →K4B4G1646E-BYK0
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →K4B4G1646E-BYMA
✅ 直接替換✗ 缺貨
$14.3182 / 單位
查看資料表 →K4B4G1646D-BMK0
✅ 直接替換聯絡詢價
查看資料表 →MT41K256M16HA-125
✅ 直接替換 ⚠️ 規格未經驗證✗ 缺貨
$6.3636 / 單位
查看資料表 →H5TC4G63AFR-PBA
✅ 直接替換 ⚠️ 規格未經驗證✗ 缺貨
$3.9773 / 單位
查看資料表 →IS43TR16256AL-125KBL
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →K4B4G1646E-BMK0 最大額定值與電氣特性
| Density | 4 Gb |
| 組織 | 256M x 16 |
| Speed Grade | 1600 Mbps |
| Voltage | 1.35 V |
| 工作溫度 | -40°C to +95°C |
| 封裝 | 96-FBGA |
| 介面 | Parallel |
| Clock Frequency | 800 MHz |
| 資料速率 | 1600 Mbps |
| 記憶體類型 | DDR3L SDRAM |
| 安裝類型 | Surface Mount |
| Auto Precharge | Yes |
| Asynchronous Reset | Yes |
| ZQ Calibration | Yes |
| Dynamic ODT | Yes |
| Data Mask | Yes |
K4B4G1646E-BMK0 腳位配置
| 腳位 A1 | VDD — Power supply |
| 腳位 A2 | DQ0 — Data input/output 0 |
| 腳位 A3 | DQ1 — Data input/output 1 |
| 腳位 A4 | VSS — Ground |
| 腳位 A5 | DQ2 — Data input/output 2 |
| 腳位 A6 | DQ3 — Data input/output 3 |
| 腳位 A7 | VDD — Power supply |
| 腳位 A8 | DQ4 — Data input/output 4 |
| 腳位 A9 | DQ5 — Data input/output 5 |
| 腳位 A10 | VSS — Ground |
| 腳位 A11 | DQ6 — Data input/output 6 |
| 腳位 A12 | DQ7 — Data input/output 7 |
| 腳位 B1 | VDDQ — I/O power supply |
| 腳位 B2 | DQ8 — Data input/output 8 |
| 腳位 B3 | DQ9 — Data input/output 9 |
| 腳位 B4 | VSSQ — I/O ground |
| 腳位 B5 | DQ10 — Data input/output 10 |
| 腳位 B6 | DQ11 — Data input/output 11 |
| 腳位 B7 | VDDQ — I/O power supply |
| 腳位 B8 | DQ12 — Data input/output 12 |
| 腳位 B9 | DQ13 — Data input/output 13 |
| 腳位 B10 | VSSQ — I/O ground |
| 腳位 B11 | DQ14 — Data input/output 14 |
| 腳位 B12 | DQ15 — Data input/output 15 |
典型應用
K4B4G1646E-BMK0 適用於 6 應用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.
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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.
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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.
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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.
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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.
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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.
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推薦產品摘要
工程參考資料，適用於 K4B4G1646E-BMK0 — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | 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 |
主要差異化特點
- E-die process technology (對比K4B4G1646D-BMK0)
- Wide temperature range (對比MT41K256M16HA-125)
- Samsung brand reliability (對比IS43TR16256AL-125KBL)
設計說明
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.
合規資訊
Samsung memory components are generally RoHS compliant. AEC-Q100 not applicable for standard memory ICs.
