I. Core Parameters Capacity: 1Gb = 128MB GigaDevice Voltage: 2.7V–3.6V (3V Standard) GigaDevice Interface: Octal SPI (8-channel), supports Single I/O / OPI / DTR GigaDevice Frequency: 166MHz (Single/Octal) 200MHz (Octal DTR), throughput up to 400MB/s GigaDevice Temperature: Industrial: -40℃～85℃ Automotive: -40℃～105℃ /-40℃～125℃ (AEC‑Q100 Grade 1) GigaDevice Endurance: 100,000 cycles; Data Retention: 20 years II. Key Features High-Speed XIP: Supports execute-in-place, reducing RAM dependency GigaDevice ECC: Built-in hardware ECC for enhanced data reliability GigaDevice Security: Secure registers, OTP lock, Unique ID GigaDevice Hardware Reset (H/W RESET), Write Protection (WP#), Suspend (Erase Suspend) GigaDevice III. Package Types SOP16 (300mil): Through-hole / Surface-mount universal GigaDevice TFBGA24 (5×5mm ball array): High-density, compact size GigaDevice IV. Typical Applications Automotive Electronics: Smart cockpit, domain controller, infotainment, ADAS (ASIL D compliant) Industrial Control: PLC, motion control, HMI GigaDevice Communication Infrastructure: 5G base stations, optical modules GigaDevice AIoT High-End Devices: Scenarios requiring high-speed code execution and large-capacity storage GigaDevice V. Model Interpretation (GD55X01GE) GD55: Series (Octal SPI NOR Flash) X: 3V voltage domain 01: 1Gb capacity G: Industrial / Automotive temperature E: Version / Package combination