W55FXX SERIAL FLASH EEPROM SERIES
GENERAL DESCRIPTION
The W55FXX is a serial input/output flash EEPROM series that is typically used as the memory cell TM of a W51300 (voice recorder controller) or the ROM code emulator for the PowerSpeech series.
The single
voltage supply eliminates the need for an extra pump circuit during programming and erasing.
FEATURES
• • • •
Provides CLK, ADDR, and DATA pins to operate with Winbond PowerSpeechTM series 512K/1M/2M memory sizes available Directly cascadable for longer duration Fast frame-write operation − Frame (32 bits) program cycle time: 400 µS (typ.
) Fast whole-chip-erase duration: 50 mS (max.
) Read data access time: 500 nS (max.
) Program/erase c...