256 Kbit / 512 Kbit / 1 Mbit / 2 Mbit Multi-Purpose Flash
SST27SF256 / SST27SF512 / SST27SF010 / SST27SF020
Data Sheet
TABLE 3: OPERATION MODES SELECTION FOR SST27SF256
Mode
CE#
VIL
VIL
VIL
VIH
VIL
VIH
VIL
OE#
VPP
A9 DQ
Address
Read
VIL
VDD or VSS
AIN DOUT
AIN
X
Output Disable
Byte-Program
Standby
VIH VDD or VSS
VIH VPPH
X
High Z
AIN DIN
AIN
X
X
VDD or VSS
X
High Z
Chip-Erase
VIH VPPH
VH High Z
X
Program/Erase Inhibit
Product Identification
X
VPPH
X
High Z
X
VIL
VDD or VSS
VH Manufacturer’s ID (BFH)
A14 - A1 = VIL, A0 = VIL
A14 - A1 = VIL, A0 = VIH
Device ID (A3H)
T3.1 502
Note: X = VIL or VIH
VPPH = 12V±5%, VH = 12V±5%
TABLE 4: OPERATION MODES SELECTION FOR SST27SF512
Mode
CE#
VIL
VIL
VIL
VIH
VIL
VIH
VIL
OE#/VPP
VIL
A9 DQ
Address
Read
AIN DOUT
AIN
X
Output Disable
Program
VIH
X
High Z
VPPH
X
AIN DIN
AIN
X
Standby
X
High Z
Chip-Erase
Program/Erase Inhibit
Product Identification
VPPH
VPPH
VIL
VH High Z
X
X
High Z
X
VH Manufacturer’s ID (BFH)
A15 - A1 = VIL, A0 = VIL
A15 - A1 = VIL, A0 = VIH
Device ID (A4H)
T4.1 502
Note: X = VIL or VIH
VPPH = 12V±5%, VH = 12V±5%
TABLE 5: OPERATION MODES SELECTION FOR SST27SF010/020
Mode
CE# OE# PGM# A9 VPP
DQ
AIN VDD or VSS DOUT
VDD or VSS High Z
AIN VPPH DIN
VDD or VSS High Z
Address
Read
VIL
VIL
VIL
VIH
VIL
VIH
VIL
VIL
VIH
VIH
X
X
X
AIN
AIN
AIN
X
Output Disable
Program
X
VIL
X
Standby
X
Chip-Erase
Program/Erase Inhibit
Product Identification
VIH
X
VIL
X
VH VPPH
VPPH
High Z
High Z
X
X
X
VIL
X
VH VDD or VSS Manufacturer’s ID (BFH)
AMS2 - A1 = VIL, A0 = VIL
AMS2 - A1 = VIL, A0 = VIH
Device ID1
T5.1 502
1. Device ID = A5H for SST27SF010 and A6H for SST27SF020
2. AMS = Most significant address
AMS = A16 for SST27SF010 and A17 for SST27SF020
Note: X = VIL or VIH
VPPH = 12V±5%, VH = 12V±5%
©2001 Silicon Storage Technology, Inc.
S71152-02-000 5/01 502
7
SST [ SILICON STORAGE TECHNOLOGY, INC ]
