2 Mbit Flash + 1 Mbit SRAM ComboMemory
SST31LF021 / SST31LF021E
Data Sheet
ADDRESS A16-0
BEF#
BES#
OE#
WE#
DQ7-0
VIH
HIGH-Z
TRCS
TAAS
TBES
TOES
TOLZS
TBLZS
TOHS
DATA VALID
FIGURE 2: SRAM READ CYCLE TIMING DIAGRAM
TOHZS
TBHZS
DATA VALID
HIGH-Z
392 ILL F02.0
ADDRESS A16-0
OE#
BEF#
BES#
WE#
DQ7-0
TASTS
TWCS
ADDRESS
TAWS
TBWS
TWPS
TDSS
DATA VALID
FIGURE 3: SRAM WRITE CYCLE TIMING DIAGRAM
©2001 Silicon Storage Technology, Inc.
11
TWRS
TDHS
392 ILL F03.0
S71137-03-000 10/01 392