8 Megabit Multi-Purpose Flash
SST39VF800Q / SST39VF800
Advance Information
ADDRESS A18-0
CE#
5555
SIX-BYTE CODE FOR BLOCK ERASE
2AAA
5555
5555
2AAA
BAX
OE#
WE#
TWP
DQ7-0
AA
55
80
AA
55
50
SW0
SW1
SW2
SW3
SW4
SW5
Note: The device also supports CE# controlled block erase operation. The WE# and CE# signals are
interchangeable as long as minimum timings are met. (See Table 13)
BAX = Block Address
FIGURE 9: WE# CONTROLLED BLOCK ERASE TIMING DIAGRAM
TBE
343 ILL17.0
ADDRESS A18-0
CE#
5555
SIX-BYTE CODE FOR SECTOR ERASE
2AAA
5555
5555
2AAA
SAX
OE#
WE#
TWP
DQ7-0
AA
55
80
AA
55
30
SW0
SW1
SW2
SW3
SW4
SW5
Note: The device also supports CE# controlled sector erase operation. The WE# and CE# signals
are interchangeable as long as minimum timings are met. (See Table 13)
SAX = Sector Address
FIGURE 10: WE# CONTROLLED SECTOR ERASE TIMING DIAGRAM
© 1999 Silicon Storage Technology, Inc.
14
TSE
343 ILL18.0
343-04 2/99