GDQ3A8AM-WJ
| Part Number | GDQ3A8AM-WJ |
|---|---|
| Manufacturer | GigaDevice |
| Category | Integrated Circuits (ICs) > Memory > DDR4 SDRAM Memory |
| Description | Industrial Grade 8Gb DDR4 SDRAM, 1.2V Operating Voltage, 3200Mbps High Speed, Wide Industrial Temperature Range, 78-FBGA Surface Mount Package. |
| Stock Status | In Stock |
| Origin | Original Factory |
Product Overview
The GDQ3A8AM-WJ is industrial-grade 8Gb DDR4 SDRAM memory from GigaDevice, designed for industrial control, embedded computing and networking equipment. It operates at standard 1.2V supply with 3200Mbps high bandwidth, built with x8 data bus architecture and complete JEDEC DDR4 feature set including ODT, DBI, CRC and auto self-refresh. Packaged in compact 78-pin FBGA, it supports wide industrial temperature range from -40℃ to +95℃, delivers stable high-speed data access for long-running industrial embedded systems with low power consumption.
Core Advantages
Industrial Wide Temperature Support
Rated for -40℃ to +95℃ operating temperature, stable operation in harsh factory, outdoor and vehicle-mounted industrial environments.
3200Mbps High Bandwidth DDR4 Performance
3200Mbps data transfer rate with x8 organization, supports high throughput data processing for embedded host controllers and network processors.
Full JEDEC DDR4 Standard Functions
Integrated On-Die Termination, Data Bus Inversion, write CRC and multi-mode self-refresh, compatible with all mainstream DDR4 memory controllers.
Low Power 1.2V Core Voltage
1.2V single power rail design, reduces system power loss and thermal generation for battery-powered industrial IoT devices.
Key Specifications
| Brand | GigaDevice Industrial DDR4 Memory Series |
|---|---|
| RoHS Status | RoHS Compliant / Lead-Free Green Package Architecture |
| EDA/CAD Model | Schematic symbols, PCB footprints, and IBIS simulation models available upon request |
| Warranty | 1-Year Standard Quality Warranty |
| Package / Case | 78-ball FBGA |
| Mounting Type | Surface Mount |
| Surface Marking / Silkscreen | GDQ3A8AM-WJ Marking |
| Memory Architecture | DDR4 SDRAM, 8Gb Density, x8 Organization |
| Data Rate | 3200 Mbps |
| Operating Voltage | 1.2V Standard Supply Voltage |
| Core DDR4 Features | ODT, DBI, CRC, Auto Self-Refresh, Asynchronous Reset |
| Refresh Modes | Standard / 2x / 4x Fine Granularity Refresh |
| Operating Temperature Range | -40℃ to +95℃ Industrial Thermal Range |
| Memory Density | 8 Gigabit (1GB) |
| Data Bus Width | 8-bit |
| Clock Frequency | 1600 MHz |
| Refresh Interval | 64ms standard |
| Storage Temperature | -55℃ ~ +125℃ |
| Humidity Sensitivity Level | MSL Level 3 |
| Part Number Suffix Meaning | WJ = Industrial wide temperature grade |
Typical Applications
- Industrial PLC, Motion Control Equipment and Factory Automation Nodes
- Network Switches, Routers and Industrial Gateway Communication Devices
- Embedded Edge Computing Box, Industrial Human-Machine Interface (HMI)
- Vehicle-mounted industrial monitoring terminals, Off-grid IoT sensor gateways
- Medical control equipment, Test & Measurement instruments
Order & Shipping Info
| Minimum Order Quantity (MOQ) | 1 Piece |
|---|---|
| Shipping Time | Shipped within 1-2 business days |
| Delivery Time | 3-7 working days worldwide |
| Shipping Methods | DHL, UPS, FedEx, EMS |
| Payment Methods | T/T (Bank Transfer), PayPal, Credit Card, Western Union |
Technical Support
Submit datasheet requests, sample applications, stock & bulk price inquiries via the Quick Inquiry form. We reply within 24 hours.
Frequently Asked Questions
Q1: What’s the difference between industrial GDQ3A8AM-WJ and consumer DDR4?
A: It supports -40℃~+95℃ wide industrial temperature, optimized refresh and stability screening. Consumer DRAM only works 0~85℃ and cannot run long-term industrial equipment.
Q2: Does GDQ3A8AM-WJ support low-power self-refresh?
A: Yes, standard / 2x / 4x fine granularity self-refresh modes cut power consumption for battery IoT devices in standby.
Q3: Can this 78-FBGA DDR4 work with industrial SoC and FPGA?
A: Fully JEDEC DDR4 compliant, plug-and-play compatible with all mainstream ARM SoCs and FPGA memory controllers.
Q4: PCB layout tips for 3200Mbps DDR4 high-speed circuit?
A: Strictly match trace length for clock/address/data; mount 0402 low-ESR capacitors near VDD pins; separate analog & digital GND planes to reduce crosstalk.
Q5: What does the suffix WJ stand for on GDQ3A8AM-WJ?
A: WJ represents wide industrial temperature grade, supporting -40℃ to +95℃ working range.
Q6: Is GDQ3A8AM-WJ RoHS lead-free compliant?
A: Yes, the whole series adopts green lead-free packaging and meets global RoHS environmental standards.
Q7: What is the MSL moisture sensitivity level of this memory chip?
A: MSL Level 3, standard 168-hour floor life at 30℃/60%RH before reflow soldering.
Q8: Can I get free samples of GDQ3A8AM-WJ for prototype testing?
A: We offer small free samples for engineering verification, submit your demand via the inquiry form to apply.

