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AT25F512A_06 Datasheet, PDF (4/19 Pages) ATMEL Corporation – 512Kbit High Speed SPI Serial Flash Memory
Table 4. AC Characteristics (Preliminary - Subject to Change)
Applicable over recommended operating range from TAI = −40 to +85°C, VCC = +2.7 to +3.6V
CL = 1 TTL Gate and 30 pF (unless otherwise noted)
Symbol
Parameter
Min
Typ
Max
fSCK
SCK Clock Frequency
0
33
tRI
Input Rise Time
20
tFI
Input Fall Time
20
tWH
SCK High Time
9
tWL
SCK Low Time
9
tCS
CS High Time
25
tCSS
CS Setup Time
25
tCSH
CS Hold Time
10
tSU
Data In Setup Time
5
tH
Data In Hold Time
5
tHD
Hold Setup Time
15
tCD
Hold Time
15
tV
Output Valid
9
tHO
Output Hold Time
0
tLZ
Hold to Output Low Z
200
tHZ
Hold to Output High Z
200
tDIS
Output Disable Time
100
tEC
Erase Cycle Time per Sector
1.1
tSR
tBPC
Endurance(2)
Status Register Write Cycle Time
Byte Program Cycle Time(1)
60
75
100
10K
Notes: 1. The programming time for n bytes will be equal to n x tBPC.
2. This parameter is ensured by characterization at 3.0V, 25°C only.
3. One write cycle consists of erasing a sector, followed by programming the same sector.
Units
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
s
ms
µs
Write Cycles(3)
4 AT25F512A
3345F–FLASH–11/06