- W25X40CLSNIG
- Winbond Electronics Corporation America
- 4M X 1 FLASH 2.7V PROM, PDSO8
- W25X40CLSNIG/REEL
- Winbond
- NOR Flash Serial (SPI, Dual SPI) 2.5V/3V/3.3V 4M-bit 512K x 8 8ns 8-Pin SOIC Tube
- W25X40CLSNIG TR
- Winbond
- NOR Flash Serial (SPI, Dual SPI) 2.5V/3V/3.3V 4M-bit 512K x 8 8ns 8-Pin SOIC T/R
- W25X40CLSNIG/TRAY
- Winbond
- NOR Flash Serial (SPI, Dual SPI) 2.5V/3V/3.3V 4M-bit 512K x 8 8ns 8-Pin SOIC Tube
- W25X40CLSNIG/TUBE
- Winbond
- NOR Flash Serial (SPI, Dual SPI) 2.5V/3V/3.3V 4M-bit 512K x 8 8ns 8-Pin SOIC Tube