©2011 Silicon Storage Technology, Inc. DS25080A 11/11
19
2 Mbit SPI Serial Flash
SST25LF020A
Not Recommended for New Designs
A
Microchip Technology Company
Table 10: Recommended System Power-up Timings
Symbol Parameter Minimum Units
T
PU-READ
1
1. This parameter is measured only for initial qualification and after a design or process change that could affect this
parameter.
V
DD
Min to Read Operation 10 µs
T
PU-WRITE
1
V
DD
Min to Write Operation 10 µs
T10.0 25080
Table 11: Capacitance (Ta = 25°C, f=1 Mhz, other pins open)
Parameter Description Test Condition Maximum
C
OUT
1
1. This parameter is measured only for initial qualification and after a design or process change that could affect this
parameter.
Output Pin Capacitance V
OUT
=0V 12pF
C
IN
1
Input Capacitance V
IN
=0V 6pF
T11.0 25080
Table 12: Reliability Characteristics
Symbol Parameter Minimum Specification Units Test Method
N
END
1
1. This parameter is measured only for initial qualification and after a design or process change that could affect this
parameter.
Endurance 10,000 Cycles JEDEC Standard A117
T
DR
1
Data Retention 100 Years JEDEC Standard A103
I
LTH
1
Latch Up 100 + I
DD
mA JEDEC Standard 78
T12.0 25080
©2011 Silicon Storage Technology, Inc. DS25080A 11/11
20
2 Mbit SPI Serial Flash
SST25LF020A
Not Recommended for New Designs
A
Microchip Technology Company
Table 13: AC Operating Characteristics V
DD
= 3.0-3.6V
Limits
20 MHz 33 MHz
Symbol Parameter Min Max Min Max Units
F
CLK
Serial Clock Frequency 20 33 MHz
T
SCKH
Serial Clock High Time 20 13 ns
T
SCKL
Serial Clock Low Time 20 13 ns
T
CES
1
CE# Active Setup Time 20 12 ns
T
CEH
1
CE# Active Hold Time 20 12 ns
T
CHS
1
CE# Not Active Setup Time 10 10 ns
T
CHH
1
CE# Not Active Hold Time 10 10 ns
T
CPH
CE# High Time 100 100 ns
T
CHZ
CE# High to High-Z Output 20 14 ns
T
CLZ
SCK Low to Low-Z Output 0 0 ns
T
DS
Data In Setup Time 5 3 ns
T
DH
Data In Hold Time 5 3 ns
T
HLS
HOLD# Low Setup Time 10 10 ns
T
HHS
HOLD# High Setup Time 10 10 ns
T
HLH
HOLD# Low Hold Time 15 10 ns
T
HHH
HOLD# High Hold Time 10 10 ns
T
HZ
HOLD# Low to High-Z Output 20 14 ns
T
LZ
HOLD# High to Low-Z Output 20 14 ns
T
OH
Output Hold from SCK Change 0 0 ns
T
V
Output Valid from SCK 20 12 ns
T
SE
Sector-Erase 25 25 ms
T
BE
Block-Erase 25 25 ms
T
SCE
Chip-Erase 100 100 ms
T
BP
Byte-Program 20 20 µs
T13.0 25080
1. Relative to SCK.
©2011 Silicon Storage Technology, Inc. DS25080A 11/11
21
2 Mbit SPI Serial Flash
SST25LF020A
Not Recommended for New Designs
A
Microchip Technology Company
Figure 17: Serial Input Timing Diagram
Figure 18: Serial Output Timing Diagram
HIGH-Z
HIGH-Z
CE#
SO
SI
SCK
MSB
LSB
T
DS
T
DH
TCHH
T
CES
T
CEH
T
CHS
T
SCKR
T
SCKF
T
CPH
1242 F16.0
1242 F17.0
CE#
SI
SO
SCK
MSB
T
CLZ
T
V
T
SCKH
T
CHZ
T
OH
T
SCKL
LSB

SST25LF020A-33-4I-QAE

Mfr. #:
Manufacturer:
Microchip Technology
Description:
NOR Flash 2Mbit 33MHz
Lifecycle:
New from this manufacturer.
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