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 PowerSpeech
TM
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.)
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•
•
•
•
PIN CONFIGURATION
EOP
CTRL
V
SS
ADDR
1
2
3
4
8
7
6
5
MODE
V
DD
CLK
DATA
-1-
Publication Release Date: August 1996
Revision A2