MT40A512M16JY-07EAIT:B - 8Gb DDR4 SDRAM 512Mx16 | Micron
料号： MT40A512M16JY-07EAIT:B ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $12.5 | $12.50 |
| 10 | $11.2 | $112.00 |
| 100 | $9.8 | $980.00 |
| 500 | $8.9 | $4,450.00 |
| 1,000 | $8.1 | $8,100.00 |
MT40A512M16JY-07EAIT:B 概述
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 signal, effectively doubling the data rate. It operates at a lower voltage (1.2V) compared to DDR3 (1.5V), reducing power consumption while offering higher speed and density. DDR4 is the industry standard for modern servers, desktops, and embedded systems, providing a balance of performance, capacity, and energy efficiency.
Key features of the MT40A512M16JY-07EAIT:B include a supply voltage of VDD = VDDQ = 1.2V ±60mV, VPP = 2.5V, and on-die, internal, adjustable VREFDQ generation. It supports 1.2V pseudo open-drain I/O and has a refresh time of 8192 cycles at TC temperature range: 64ms at -40°C to 85°C, 32ms at >85°C to 95°C, and 16ms at >95°C to 105°C. The device is AEC-Q100 qualified (indicated by the 'AIT' suffix), making it suitable for automotive applications.
The MT40A512M16JY-07EAIT:B utilizes Micron's advanced DRAM process technology, offering high reliability and performance. It features programmable data strobe preambles, on-die termination (ODT), and write leveling for improved signal integrity. The 96-ball FBGA package provides a compact footprint while enabling high-speed operation with minimal parasitic inductance.
Typical applications include automotive advanced driver-assistance systems (ADAS), infotainment systems, networking equipment, servers, and high-performance computing. Its automotive qualification and wide temperature range make it ideal for under-the-hood and in-cabin electronics.
When designing with this device, ensure proper decoupling capacitors are placed close to the VDD and VDDQ pins to minimize power supply noise. Follow Micron's layout guidelines for DDR4 routing to maintain signal integrity at 1.33 GHz.
直接替换替代料： MT40A512M16JY-07EAIT:B ——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： MT40A512M16JY-07EAIT:B （相同外形与封装尺寸） ——差异在于 Package, Data Rate, Burst Length, Interface, Operating Temperature.
快速对比工具——选择替代料号进行并排对比：
MT40A512M16JY-075E AIT:B
✅ 直接替换📋 参考替代料（不在目录中）
MT40A512M16JY-062E IT:B
✅ 直接替换📋 参考替代料（不在目录中）
K4A8G165WB-BCTD
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$37 / 个
查看数据手册 →H5AN8G6NAFR-UHC
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$5.7422 / 个
查看数据手册 →NT5CC256M16DP-DI
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$6.5 / 个
查看数据手册 →MT40A512M16JY-07EAIT:B 最大额定值与电气特性
| 存储器类型 | DDR4 SDRAM |
| 存储容量 | 8 Gbit |
| 存储组织 | 512M x 16 |
| Clock Frequency | 1.33 GHz |
| 数据速率 | 2666 MT/s |
| Supply Voltage (VDD/VDDQ) | 1.2V ±60mV |
| VPP Voltage | 2.5V, -125mV, +250mV |
| 接口 | Parallel |
| 封装 | 96-FBGA (8x14) |
| 工作温度范围 | -40°C to +105°C (AIT grade) |
| Refresh Time | 64ms at -40°C to 85°C, 32ms at >85°C to 95°C, 16ms at >95°C to 105°C |
| I/O Type | 1.2V pseudo open-drain |
| VREFDQ | On-die, internal, adjustable |
| AEC-Q100 | Qualified (AIT suffix) |
| RoHS | Compliant |
MT40A512M16JY-07EAIT:B 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 | VDDQ — I/O 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 |
典型应用
MT40A512M16JY-07EAIT:B 适用于 6 应用s: Automotive ADAS, Networking Equipment, Industrial Automation, High-Performance Computing, Infotainment Systems, Edge AI and IoT Gateways.
Automotive ADAS
The MT40A512M16JY-07EAIT:B is AEC-Q100 qualified and operates over -40°C to +105°C, making it ideal for ADAS systems that require high-bandwidth memory for sensor fusion and real-time processing. Its 1.33 GHz clock and 8Gbit density support complex algorithms for object detection and decision-making. The 96-FBGA package allows compact PCB layouts in space-constrained automotive modules. With 1.2V operation, it minimizes power consumption, critical for battery-powered vehicles. The wide temperature range ensures reliable operation in engine compartments and under direct sunlight.
推荐
Networking Equipment
In networking switches and routers, the MT40A512M16JY-07EAIT:B provides high-speed packet buffering and routing table storage. Its 2666 MT/s data rate ensures low latency for data forwarding, while the 8Gbit capacity supports large routing tables and QoS queues. The 1.2V supply reduces power dissipation in dense line cards. The parallel interface simplifies integration with network processors and FPGAs. The 96-FBGA package is suitable for high-density PCB designs, and the automotive-grade temperature range ensures reliability in telecom shelters and data centers.
推荐
Industrial Automation
For industrial controllers and PLCs, the MT40A512M16JY-07EAIT:B offers reliable memory for program storage and data logging. Its wide temperature range (-40°C to +105°C) ensures operation in harsh factory environments. The 8Gbit density supports complex control algorithms and HMI graphics. The 1.2V operation reduces heat generation, extending the life of sealed enclosures. The AEC-Q100 qualification provides confidence in long-term reliability. The 96-FBGA package is compatible with standard industrial PCB manufacturing processes.
推荐
High-Performance Computing
In servers and workstations, the MT40A512M16JY-07EAIT:B provides high-bandwidth memory for data-intensive applications. Its 2666 MT/s data rate and 8Gbit capacity support virtualization, big data analytics, and AI inference. The 1.2V supply reduces power consumption in large memory arrays. The parallel interface allows easy integration with CPUs and GPUs. The 96-FBGA package enables high-density DIMM designs. The automotive-grade temperature range is a bonus for edge computing in harsh environments.
推荐
Infotainment Systems
The MT40A512M16JY-07EAIT:B is ideal for automotive infotainment, providing memory for navigation, multimedia, and connectivity. Its high bandwidth supports smooth video playback and responsive UI. The AEC-Q100 qualification ensures reliability in vehicle environments. The 8Gbit density allows storage of maps and media. The 1.2V operation reduces power draw, important for battery life. The 96-FBGA package is compact for dashboard integration. The wide temperature range covers both cabin and exterior-mounted displays.
推荐
Edge AI and IoT Gateways
For edge AI devices and IoT gateways, the MT40A512M16JY-07EAIT:B provides the memory capacity and speed needed for local inference and data aggregation. Its 8Gbit density supports neural network models, while the 2666 MT/s data rate enables real-time processing. The 1.2V supply is efficient for battery-powered devices. The automotive-grade temperature range allows deployment in outdoor and industrial settings. The 96-FBGA package is suitable for compact gateway designs. The parallel interface integrates with common SoCs and FPGAs.
推荐
推荐产品汇总
工程参考数据： MT40A512M16JY-07EAIT:B ——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 | MT40A512M16JY-075E AIT:B | MT40A512M16JY-062E IT:B | K4A8G165WB-BCTD | H5AN8G6NAFR-UHC |
|---|---|---|---|---|---|
| Package | 96-FBGA (8x14) | 96-FBGA (8x14) | 96-FBGA (8x14) | 96-FBGA (8x14) | 96-FBGA (8x14) |
| Brand | Micron Technology | Micron Technology | Micron Technology | Samsung Electronics | SK Hynix |
| Memory Size | 8 Gbit | 8 Gbit | 8 Gbit | 8 Gbit | 8 Gbit |
| Organization | 512M x 16 | 512M x 16 | 512M x 16 | 512M x 16 | 512M x 16 |
| Clock Frequency | 1.33 GHz | 1.33 GHz | 1.6 GHz | 1.33 GHz | 1.33 GHz |
| Supply Voltage | 1.2V | 1.2V | 1.2V | 1.2V | 1.2V |
| Operating Temperature | -40°C to +105°C | -40°C to +105°C | -40°C to +95°C | -40°C to +95°C | -40°C to +95°C |
| AEC-Q100 | Qualified | Qualified | Qualified | Not qualified | Not qualified |
关键差异点
- Automotive grade (AEC-Q100) with extended temperature range （对比 K4A8G165WB-BCTD)
- Higher speed grade option available （对比 MT40A512M16JY-075E AIT:B)
- Cross-brand compatibility with major memory manufacturers （对比 H5AN8G6NAFR-UHC)
设计说明
Ensure stable power supply with VDD = VDDQ = 1.2V ±60mV and VPP = 2.5V. Use low-ESR decoupling capacitors (0.1uF and 1uF) placed close to each VDD and VDDQ pin. For VPP, use a 0.1uF capacitor to ground. Follow Micron's power distribution network guidelines to minimize voltage droop during high-speed switching.
Route DDR4 signals with controlled impedance (typically 40-50 ohms for single-ended, 80-100 ohms for differential). Maintain matched trace lengths for DQ, DQS, and address/command signals to ensure timing. Use ground planes beneath the memory to reduce noise. Refer to Micron's DDR4 PCB design guide for detailed layout rules.
The MT40A512M16JY-07EAIT:B operates up to +105°C, but ensure adequate airflow or heatsinking in high-temperature environments. The 96-FBGA package has a thermal resistance of approximately 20°C/W (theta_JA). For automotive applications, consider the ambient temperature and power dissipation to keep junction temperature within limits.
合规信息
AEC-Q100 qualified per 'AIT' suffix. RoHS compliant per Micron product page.
