4 Mbit SPI Serial Flash
SST25VF040B
Data Sheet
TABLE 14: AC Operating Characteristics (25VF040B-80-xx-xxxE)
33 MHz
80 MHz
Symbol
Parameter
Serial Clock Frequency
Min
Max
Min
Max
Units
MHz
ns
1
FCLK
33
80
TSCKH
TSCKL
Serial Clock High Time
Serial Clock Low Time
Serial Clock Rise Time (Slew Rate)
Serial Clock Fall Time (Slew Rate)
CE# Active Setup Time
CE# Active Hold Time
CE# Not Active Setup Time
CE# Not Active Hold Time
CE# High Time
13
13
0.1
0.1
5
6
6
ns
2
TSCKR
0.1
0.1
5
V/ns
V/ns
ns
TSCKF
3
TCES
3
TCEH
5
5
ns
3
TCHS
5
5
ns
3
TCHH
5
5
ns
TCPH
TCHZ
TCLZ
TDS
50
50
ns
CE# High to High-Z Output
SCK Low to Low-Z Output
Data In Setup Time
7
7
ns
0
2
4
5
5
5
5
0
2
4
5
5
5
5
ns
ns
TDH
THLS
THHS
THLH
THHH
THZ
Data In Hold Time
ns
HOLD# Low Setup Time
HOLD# High Setup Time
HOLD# Low Hold Time
HOLD# High Hold Time
HOLD# Low to High-Z Output
HOLD# High to Low-Z Output
Output Hold from SCK Change
Output Valid from SCK
Sector-Erase
ns
ns
ns
ns
7
7
7
7
ns
TLZ
ns
TOH
TV
0
0
ns
10
25
25
50
10
6
ns
TSE
25
25
50
10
ms
ms
ms
TBE
Block-Erase
TSCE
TBP
Chip-Erase
Byte-Program
µs
T14.0 1295
1. Maximum clock frequency for Read Instruction, 03H, is 33 MHz
2. Maximum Rise and Fall time may be limited by TSCKH and TSCKL requirements
3. Relative to SCK.
©2009 Silicon Storage Technology, Inc.
S71295-05-000
10/09
25
SST [ SILICON STORAGE TECHNOLOGY, INC ]
