EDI7F292MC Datasheet, PDF (26/33 Pages) White Electronic Designs Corporation – 4MB/8MB (2x2Mx8 / 4x2Mx8) Flash Module 5.0V, Boot-Only Sector Erase Flash Memory

White Electronic Designs
EDI7F292MC
EDI7F492MC
PRELIMINARY
FIGURE 13. BY/RY# TIMING DIAGRAM DURING PROGRAM/ERASE OPERATIONS
CS#
WE#
The rising edge of the last WE# signal
Entire programming
or erase operations
RY/BY#
t_BUSY
FIGURE 14. RESET# TIMING DIAMGRAM
RESET#
t_RP
t_Ready
FIGURE 15. TEMPORARY SECTOR GROUP UNPORTECT ALGORITHM
Start
RESET# = V_ID
(Note 1)
Perform Erase or
Program Operations
RESET# = V_IH
Notes:
1. All protected sector groups unprotected.
2. All previously protected sector groups are protected once
again.
January 2006
Rev. 1
Temporary Sector Group
Unprotect Completed
(Note 2)
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White Electronic Designs Corporation • [phone] • www.wedc.com