4 Mbit LPC Flash
SST49LF040
Advance Information
AC CHARACTERISTICS (PP MODE)
TABLE 19: R
EAD
C
YCLE
T
IMING
P
ARAMETERS
(PP M
ODE
), V
DD
=3.0-3.6V
Symbol
T
RC
T
RST
T
AS
T
AH
T
AA
T
OE
T
OLZ
T
OHZ
T
OH
Parameter
Read Cycle Time
RST# High to Row Address Setup
R/C# Address Set-up Time
R/C# Address Hold Time
Address Access Time
Output Enable Access Time
OE# Low to Active Output
OE# High to High-Z Output
Output Hold from Address Change
0
0
35
Min
270
1
45
45
120
60
Max
Units
ns
µs
ns
ns
ns
ns
ns
ns
ns
T19.0 562
TABLE 20: P
ROGRAM
/E
RASE
C
YCLE
T
IMING
P
ARAMETERS
(PP M
ODE
), V
DD
=3.0-3.6V
Symbol
T
RST
T
AS
T
AH
T
CWH
T
OES
T
OEH
T
OEP
T
OET
T
WP
T
WPH
T
DS
T
DH
T
IDA
T
BP
T
SE
T
BE
T
SCE
Parameter
RST# High to Row Address Setup
R/C# Address Setup Time
R/C# Address Hold Time
R/C# to Write Enable High Time
OE# High Setup Time
OE# High Hold Time
OE# to Data# Polling Delay
OE# to Toggle Bit Delay
WE# Pulse Width
WE# Pulse Width High
Data Setup Time
Data Hold Time
Software ID Access and Exit Time
Byte Programming Time
Sector-Erase Time
Block-Erase Time
Chip-Erase Time
100
100
50
5
150
20
25
25
100
Min
1
50
50
50
20
20
40
40
Max
Units
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
ms
ms
ms
T20.0 562
©2001 Silicon Storage Technology, Inc.
S71213-00-000 11/01 562
30
SST [ SILICON STORAGE TECHNOLOGY, INC ]
