©2011 Silicon Storage Technology, Inc. DS25078A 11/11
20
2 Mbit SPI Serial Flash
SST25VF020
Not Recommended for New Designs
Microchip Technology Company
Table 13:AC Operating Characteristics V
DD
= 2.7-3.6V
Symbol Parameter
Limits
Min Max Units
F
CLK
Serial Clock Frequency 20 MHz
T
SCKH
Serial Clock High Time 20 ns
T
SCKL
Serial Clock Low Time 20 ns
T
SCKR
Serial Clock Rise Time 5 ns
T
SCKF
Serial Clock Fall Time 5 ns
T
CES
1
CE# Active Setup Time 20 ns
T
CEH
1
CE# Active Hold Time 20 ns
T
CHS
1
CE# Not Active Setup Time 10 ns
T
CHH
1
CE# Not Active Hold Time 10 ns
T
CPH
CE# High Time 100 ns
T
CHZ
CE# High to High-Z Output 20 ns
T
CLZ
SCK Low to Low-Z Output 0 ns
T
DS
Data In Setup Time 4 ns
T
DH
Data In Hold Time 5 ns
T
HLS
HOLD# Low Setup Time 10 ns
T
HHS
HOLD# High Setup Time 10 ns
T
HLH
HOLD# Low Hold Time 15 ns
T
HHH
HOLD# High Hold Time 10 ns
T
HZ
HOLD# Low to High-Z Output 20 ns
T
LZ
HOLD# High to Low-Z Output 20 ns
T
OH
Output Hold from SCK Change 0 ns
T
V
Output Valid from SCK 23 ns
T
SE
Sector-Erase 25 ms
T
BE
Block-Erase 25 ms
T
SCE
Chip-Erase 100 ms
T
BP
Byte-Program 20 µs
T13.2 25078
1. Relative to SCK.
