Precision Automated Programming, Marking, and Taping Solutions
At SAYFU, we provide professional IC programming and testing services as an integrated part of our PCB manufacturing and PCBA assembly capabilities. With in-house programming processes, we help customers seamlessly transfer firmware into integrated circuits while improving production efficiency, traceability, and overall product reliability.
As an experienced PCB & PCBA manufacturer with in-house IC programming and testing capabilities, SAYFU bridges the gap between IC devices and SMT assembly by ensuring firmware accuracy, controlled processes, and fast turnaround for both prototype and mass production.
Our facilities operate under ISO 9001:2015 certified quality management systems, utilizing automated programming equipment to manage the entire workflow—from Incoming Quality Control (IQC) to final outgoing inspection—ensuring stable quality and zero-defect delivery.

Why Choose SAYFU for IC Programming & Testing?
1. Extensive Device & Architecture Support
SAYFU supports a broad range of programmable IC devices across mainstream and advanced architectures. Programming algorithms and device libraries are continuously updated to meet the latest semiconductor technologies and customer requirements.
Memory & Storage Devices
- EEPROM
- SPI NOR Flash / SPI NAND Flash
- Parallel NAND Flash
- eMMC / eMCP
Logic & Control Devices
- Microcontrollers (MCU)
- CPLD
- FPGA
Supported IC Manufacturers
Our IC programming service supports major brands from USA, Japan, Taiwan, and Europe, including:
- NAND Flash Manufacturers:
SAMSUNG (K9F1G series), TOSHIBA (TC58 series), SK HYNIX (HY27 series), MICRON, SPANSION - MCU Manufacturers:
STMicroelectronics, Microchip, NXP, Renesas, Texas Instruments (TI)
This wide compatibility allows SAYFU to provide one-stop IC programming and testing services aligned with PCB fabrication and PCBA assembly needs.
2. Versatile IC Package Handling
Our in-house automated handlers are equipped with precision sockets and fixtures, enabling safe and repeatable IC programming without damaging leads or solder balls.
Supported Packages
- Standard Packages: SOP, SSOP, TSOP, SOT
- Leadless & Chip-Scale: QFP, QFN, WSON, USON, LGA, WLCSP
- High-Density Packages: BGA (Ball Grid Array, fine-pitch supported)
This capability supports both low-volume engineering builds and high-volume production runs.
3. Engineering-Grade Programming & Verification Control
From an engineering and manufacturing perspective, data integrity is non-negotiable. SAYFU follows strict verification and traceability procedures to ensure that programmed data exactly matches customer-approved firmware.
Standard Programming Flow
- Blank Check → Program → Verify → Checksum Confirmation
Advanced NAND Flash Programming
- Bad Block Management (BBM)
- Factory bad block skipping
- Correct partition table handling
- Optimized for Linux and Android boot reliability
ESD Protection
- Full ESD-controlled production environment
- Compliant with ANSI/ESD S20.20, protecting sensitive ICs throughout programming and handling
Value-Added IC Programming Services
IC Marking (Laser & Ink)
To support firmware identification and production traceability, SAYFU offers IC marking services after programming.
- Marking Formats: Dot marking, alphanumeric characters, QR codes, custom logos
- Color Options: White, red, pink, orange, yellow, green, blue, brown, purple, gold, silver
Color marking enables fast visual differentiation of firmware versions during SMT assembly.
Input / Output Flexibility & Taping Services
As part of our PCBA manufacturing process, SAYFU supports multiple IC input and output formats to match different SMT line requirements.
- Input / Output Methods:
Tube-to-Tape, Tray-to-Tape, Tape-to-Tape - Tape & Reel Packaging:
Repackaging according to EIA-481 standards, ready for automated pick-and-place systems - 3D Lead Inspection:
AOI inspection for bent leads and coplanarity issues prior to taping
Dry Packing & MSL Compliance
To prevent moisture-related failures during reflow soldering, SAYFU strictly follows JEDEC J-STD-033 standards.
- Vacuum sealing with desiccant
- Humidity Indicator Cards (HIC)
- Clear Moisture Sensitivity Level (MSL) labeling
- Floor-life management support for SMT production
Ready to secure your firmware? [Contact Our Engineering Team] for a quote or to discuss your specific IC requirements.