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W55F20 Schematic ( PDF Datasheet ) - Winbond

Teilenummer W55F20
Beschreibung SERIAL FLASH EEPROM SERIES
Hersteller Winbond
Logo Winbond Logo 




Gesamt 7 Seiten
W55F20 Datasheet, Funktion
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
of a W51300 (voice recorder controller) or the ROM code emulator for the PowerSpeechTM 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 cycles: 10,000 (typ.)
Data retention: 10 years (typ.)
Low power consumption:
Operating: 5 mA (typ.)
Standby: 2 µA (typ.)
PIN CONFIGURATION
EOP
CTRL
VSS
ADDR
1
2
3
4
8 MODE
7 VDD
6 CLK
5 DATA
Publication Release Date: August 1996
- 1 - Revision A2






W55F20 Datasheet, Funktion
APPLICATION CIRCUITS (for reference only)
For Voice Recorder Applications
W51300
EOP
ADDR
DATA
CLK
CTRL
MODE
W55FXX
ADDR EOP
DATA MODE
CLK
CTRL
W51300
EOP
ADDR
DATA
CLK
CTRL
MODE
W55FXX
ADDR EOP
DATA MODE
CLK
CTRL
For PowerSpeech Applications
W5280/
W52900
ADDR
DATA
CLK
W55FXX
ADDR EOP
DATA MODE
CLK
CTRL
ORDERING INFORMATION
PART NO.
W55F05
W55F10
W55F20
MEMORY SIZE
512K BITS
1M BITS
2M BITS
W55FXX
ADDR EOP
DATA MODE
CLK
CTRL
W55FXX
W55FXX
ADDR EOP
DATA MODE
CLK
CTRL
-6-

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