SST31LF021-70-4C-WH View Datasheet(PDF) - Silicon Storage Technology
Part Name
Description
MFG CO.
'SST31LF021-70-4C-WH' PDF : 24 Pages View PDF
2 Mbit Flash + 1 Mbit SRAM ComboMemory
SST31LF021 / SST31LF021E
EOL Data Sheet
ADDRESS A17-0
BES#
BEF#
OE#
WE#
DQ6
TOEH
TBE
TOE
FIGURE 8: FLASH TOGGLE BIT TIMING DIAGRAM
TOES
TWO READ CYCLES
WITH SAME OUTPUTS
1137 F07.0
SIX-BYTE CODE FOR SECTOR-ERASE
TSE
ADDRESS A17-0
5555 2AAA
5555
5555
2AAA
SAX
BES#
BEF#
OE#
WE#
TWP
DQ7-0
AA
55
80
AA
55
30
SW0
SW1
SW2
SW3
SW4
SW5
Note: The device also supports BEF# controlled Sector-Erase operation. The WE# and BEF#
signals are interchangeable as long as minimum timings are met. (See Table 12)
SAX = Sector Address
FIGURE 9: WE# CONTROLLED FLASH SECTOR-ERASE TIMING DIAGRAM
1137 F08.1
©2007 Silicon Storage Technology, Inc.
15
S71137-06-EOL
05/07
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