256 Kbit / 512 Kbit / 1 Mbit / 2 Mbit Multi-Purpose Flash
SST27SF256 / SST27SF512 / SST27SF010 / SST27SF020
Data Sheet
T
T
AA
RC
ADDRESS
T
CE
T
CE#
OE#
OE
T
OHZ
T
T
OLZ
OH
T
CHZ
HIGH-Z
DQ
7-0
DATA VALID
DATA VALID
T
CLZ
502 ILL F03.0
FIGURE 4: READ CYCLE TIMING DIAGRAM FOR SST27SF256/512/010/020
ADDRESS
(EXCEPT A )
9
CE#
OE#
T
EW
V
IH
DQ
7-0
V
PPH
T
VPS
T
T
VR
VR
V
V
DD
T
VPH
V
PP
T
PRT
SS
V
PPH
T
A9S
A
9
V
IH
V
IL
T
ART
T
A9H
502 ILL F04a.1
FIGURE 5: CHIP-ERASE TIMING DIAGRAM FOR SST27SF256
©2001 Silicon Storage Technology, Inc.
S71152-02-000 5/01 502
12