W29C512A Datasheet, PDF (16/20 Pages) Winbond – 64 K x 8 CMOS FLASH MEMORY

W29C512A
Timing Waveforms, continued
Page Write Timing Diagram Software Data Protection Mode
TWC
Three-byte sequence for
Byte/page load
cycle starts
software data protection mode
Address A15-0
5555 2AAA
5555
DQ7-0
#CE
AA
55
A0
#OE
#WE
TWP
TBLC
TWPH
SW0
SW1
SW2 Word 0
Word N-1
Word N
(last word)
Internal write starts
Reset Software Data Protection Timing Diagram
Address A15-0
DQ7-0
#CE
#OE
#WE
Six-byte sequence for resetting
TWC
software data protection mode
5555
2AAA
5555
5555
2AAA
5555
AA
55
80
AA
55
20
TWP
TBLC
TWPH
SW0
SW1
SW2
SW3
SW4
SW5
Internal programming starts
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