GENERAL DESCRIPTION

The W55Fxx is a serial flash memory series that is typically used as the contents upgradeable

memory device of Internet toy applications, or applications with W51300 (VoiceRecorderTM controller)

for voice message storage device. Besides that, W55Fxx can still be the W551Cxxx (Serial Voice

Memory) program or data emulator. The single voltage supply eliminates the need for an extra pump

circuit during flash memory cells programming and erasing.