AC Characteristics
Applicable over recommended operating range from TA = -40°C to + 85°C, VCC = As Specified,
CL = 1 TTL Gate and 100 pF (unless otherwise noted).
Symbol
Parameter
Voltage
Min
Max
Units
4.5 - 5.5
2.7 - 5.5
1.8 - 3.6
0
0
0
3.0
2.1
0.5
fSCK
SCK Clock Frequency
MHz
4.5 - 5.5
2.7 - 5.5
1.8 - 3.6
2
2
2
tRI
Input Rise Time
Input Fall Time
SCK High Time
SCK Low Time
CS High Time
µs
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
4.5 - 5.5
2.7 - 5.5
1.8 - 3.6
2
2
2
tFI
4.5 - 5.5
2.7 - 5.5
1.8 - 3.6
150
200
800
tWH
tWL
tCS
tCSS
tCSH
tSU
tH
4.5 - 5.5
2.7 - 5.5
1.8 - 3.6
150
200
800
4.5 - 5.5
2.7 - 5.5
1.8 - 3.6
250
250
1000
4.5 - 5.5
2.7 - 5.5
1.8 - 3.6
100
250
1000
CS Setup Time
CS Hold Time
4.5 - 5.5
2.7 - 5.5
1.8 - 3.6
150
250
1000
4.5 - 5.5
2.7 - 5.5
1.8 - 3.6
30
50
100
Data In Setup Time
Data In Hold Time
Hold Setup Time
Hold Hold Time
Output Valid
4.5 - 5.5
2.7 - 5.5
1.8 - 3.6
50
50
100
4.5 - 5.5
2.7 - 5.5
1.8 - 3.6
100
100
400
tHD
tCD
tV
4.5 - 5.5
2.7 - 5.5
1.8 - 3.6
200
300
400
4.5 - 5.5
2.7 - 5.5
1.8 - 3.6
0
0
0
150
200
800
4.5 - 5.5
2.7 - 5.5
1.8 - 3.6
0
0
0
tHO
Output Hold Time
AT25128/256
4