SST25WF020A
DS20005139E-page 22 2014 Microchip Technology Inc.
6.6 AC Characteristics
TABLE 6-8: AC OPERATING CHARACTERISTICS
Symbol Parameter
Limits - 25 MHz Limits - 40 MHz
Units
Min Typ Max Min Typ Max
F
CLK
1
1. Maximum clock frequency for Read instruction, 03H, is 25 MHz
Serial Clock Frequency 25 40 MHz
T
SCKH
Serial Clock High Time 16 11.5 ns
T
SCKL
Serial Clock Low Time 16 11.5 ns
T
SCKR
Serial Clock Rise Time 5 5 ns
T
SCKF
Serial Clock Fall Time 5 5 ns
T
CES
2
2. Relative to SCK
CE# Active Setup Time 10 10 ns
T
CEH
2
CE# Active Hold Time 10 10 ns
T
CHS
2
CE# Not Active Setup Time 10 10 ns
T
CHH
2
CE# Not Active Hold Time 10 10 ns
T
CPH
CE# High Time 25 25 ns
T
CHZ
CE# High to High-Z Output 15 15 ns
T
CLZ
SCK Low to Low-Z Output 0 0 ns
T
DS
Data In Setup Time 5 5 ns
T
DH
Data In Hold Time 5 5 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 9 9 ns
T
LZ
HOLD# High to Low-Z Output 12 12 ns
T
OH
Output Hold from SCK Change 1 1 ns
T
V
Output Valid from SCK 8 11 8 11 ns
T
WPS
WP# Setup Time 20 20 ns
T
WPH
WP# Hold Time 20 20 ns
T
WRSR
Status Register Write Time 10 10 ms
T
DPD
CE# High to Deep Power-Down 5 5 μs
T
SBR
Deep Power-Down (CE# High) to
Standby Mode
5 5μs
T
SE
Sector-Erase 40 200 40 200 ms
T
BE
Block-Erase 80 550 80 550 ms
T
SCE
Chip-Erase 0.3 3 0.3 3 s
T
PP
Page-Program (256 Byte) 3.0 3.5 3.0 3.5 ms
n Byte
n byte
0.15 +
n*2.85/
256
0.20 +
n*3.30/
256
n byte
0.15 +
n*2.85/
256
0.20 +
n*3.30/
256
ms
