©2011 Silicon Storage Technology, Inc. DS25051A 09/11
25
4 Mbit SPI Serial Flash
SST25VF040B
Data Sheet
Microchip Technology Company
Table 15:AC Operating Characteristics (25VF040B-80-xx-xxxE)
33 MHz 80 MHz
Symbol Parameter Min Max Min Max Units
F
CLK
1
Serial Clock Frequency 33 80 MHz
T
SCKH
Serial Clock High Time 13 6 ns
T
SCKL
Serial Clock Low Time 13 6 ns
T
SCKR
2
Serial Clock Rise Time (Slew Rate) 0.1 0.1 V/ns
T
SCKF
Serial Clock Fall Time (Slew Rate) 0.1 0.1 V/ns
T
CES
3
CE# Active Setup Time 5 5 ns
T
CEH
3
CE# Active Hold Time 5 5 ns
T
CHS
3
CE# Not Active Setup Time 5 5 ns
T
CHH
3
CE# Not Active Hold Time 5 5 ns
T
CPH
CE# High Time 50 50 ns
T
CHZ
CE# High to High-Z Output 7 7 ns
T
CLZ
SCK Low to Low-Z Output 0 0 ns
T
DS
Data In Setup Time 2 2 ns
T
DH
Data In Hold Time 4 4 ns
T
HLS
HOLD# Low Setup Time 5 5 ns
T
HHS
HOLD# High Setup Time 5 5 ns
T
HLH
HOLD# Low Hold Time 5 5 ns
T
HHH
HOLD# High Hold Time 5 5 ns
T
HZ
HOLD# Low to High-Z Output 7 7 ns
T
LZ
HOLD# High to Low-Z Output 7 7 ns
T
OH
Output Hold from SCK Change 0 0 ns
T
V
Output Valid from SCK 10 6 ns
T
SE
Sector-Erase 25 25 ms
T
BE
Block-Erase 25 25 ms
T
SCE
Chip-Erase 50 50 ms
T
BP
Byte-Program 10 10 µs
T15.0 25051
1. Maximum clock frequency for Read Instruction, 03H, is 33 MHz
2. Maximum Rise and Fall time may be limited by T
SCKH
and T
SCKL
requirements
3. Relative to SCK.
