AT25640A データシートの表示（PDF） - Atmel Corporation
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AT25640A Datasheet PDF : 20 Pages
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Table 4. AC Characteristics
Applicable over recommended operating range from TAE = −40°C to +125°C, VCC = As Specified,
CL = 1 TTL Gate and 100 pF (unless otherwise noted).
Symbol
Parameter
Voltage
Min
Max
fSCK
SCK Clock Frequency
2.7–5.5
0
5.0
tRI
Input Rise Time
2.7–5.5
2
tFI
Input Fall Time
2.7–5.5
2
tWH
SCK High Time
2.7–5.5
40
tWL
SCK Low Time
2.7–5.5
40
tCS
CS High Time
2.7–5.5
80
tCSS
CS Setup Time
2.7–5.5
80
tCSH
CS Hold Time
2.7–5.5
80
tSU
Data In Setup Time
2.7–5.5
5
tH
Data In Hold Time
2.7–5.5
20
tHD
Hold Setup Time
2.7–5.5
40
tCD
Hold Hold Time
2.7–5.5
40
tV
Output Valid
2.7–5.5
0
40
tHO
Output Hold Time
2.7–5.5
0
tLZ
Hold to Output Low Z
2.7–5.5
0
40
tHZ
Hold to Output High Z
2.7–5.5
80
tDIS
Output Disable Time
2.7–5.5
80
tWC
Endurance(1)
Write Cycle Time
5.0V, 25°C, Page Mode
2.7–5.5
5
1M
Note: 1. This parameter is characterized and is not 100% tested.
Units
MHz
µs
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
Write Cycles
4 AT25080A/160A/320A/640A
5082B–SEEPR–1/05
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