512 Kbit / 1 Mbit / 2 Mbit / 4 Mbit Multi-Purpose Flash
SST39LF512 / SST39LF010 / SST39LF020 / SST39LF040
SST39VF512 / SST39VF010 / SST39VF020 / SST39VF040
Data Sheet
AC CHARACTERISTICS
TABLE 9: READ CYCLE TIMING PARAMETERS
VDD = 3.0-3.6V FOR SST39LF512/010/020/040 AND 2.7-3.6V FOR SST39VF512/010/020/040
SST39LF512-45
SST39LF010-45
SST39VF512-70 SST39VF512-90
SST39VF010-70 SST39VF010-90
SST39LF020-45 SST39LF020-55 SST39VF020-70 SST39VF020-90
SST39LF040-45 SST39LF040-55 SST39VF040-70 SST39VF040-90
Symbol Parameter
Min
Max
Min
Max
Min
Max
Min
Max
Units
ns
TRC
TCE
TAA
Read Cycle Time
45
55
70
90
Chip Enable Access Time
Address Access Time
45
45
30
55
55
30
70
70
35
90
90
45
ns
ns
TOE
TCLZ
TOLZ
Output Enable Access Time
CE# Low to Active Output
OE# Low to Active Output
CE# High to High-Z Output
OE# High to High-Z Output
Output Hold from Address Change
ns
1
1
0
0
0
0
0
0
0
0
ns
ns
1
TCHZ
TOHZ
15
15
15
15
25
25
30
30
ns
1
ns
1
TOH
0
0
0
0
ns
T9.2 395
1. This parameter is measured only for initial qualification and after a design or process change that could affect this parameter.
TABLE 10: PROGRAM/ERASE CYCLE TIMING PARAMETERS
Symbol Parameter
Min
Max
Units
TBP
Byte-Program Time
20
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
ms
TAS
Address Setup Time
Address Hold Time
WE# and CE# Setup Time
WE# and CE# Hold Time
OE# High Setup Time
OE# High Hold Time
CE# Pulse Width
0
30
0
TAH
TCS
TCH
TOES
TOEH
TCP
0
0
10
40
40
30
30
40
0
TWP
WE# Pulse Width
1
TWPH
WE# Pulse Width High
CE# Pulse Width High
Data Setup Time
1
TCPH
TDS
1
TDH
Data Hold Time
1
TIDA
Software ID Access and Exit Time
Sector-Erase
150
25
TSE
TSCE
Chip-Erase
100
T10.1 395
1. This parameter is measured only for initial qualification and after a design or process change that could affect this parameter.
©2001 Silicon Storage Technology, Inc.
S71150-03-000 6/01 395
9
SST [ SILICON STORAGE TECHNOLOGY, INC ]
