AT25128B-XHL 查看數據表（PDF） - Atmel Corporation
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AT25128B-XHL Datasheet PDF : 24 Pages
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Table 1-3. AC Characteristics
Applicable over recommended operating range from TA = – 40°C to + 85°C, VCC = As Specified,
CL = 1 TTL Gate and 30 pF (unless otherwise noted)
Symbol
Parameter
Voltage
Min
Max
4.5–5.5
0
20
fSCK
SCK Clock Frequency
2.5–5.5
0
10
1.8–5.5
0
5
4.5–5.5
2
tRI
Input Rise Time
2.5–5.5
2
1.8–5.5
2
4.5–5.5
2
tFI
Input Fall Time
2.5–5.5
2
1.8–5.5
2
tWH
SCK High Time
4.5–5.5
20
2.5–5.5
40
1.8–5.5
80
tWL
SCK Low Time
4.5–5.5
20
2.5–5.5
40
1.8–5.5
80
tCS
CS High Time
4.5–5.5
100
2.5–5.5
100
1.8–5.5
200
tCSS
CS Setup Time
4.5–5.5
100
2.5–5.5
100
1.8–5.5
200
tCSH
CS Hold Time
4.5–5.5
100
2.5–5.5
100
1.8–5.5
200
4.5–5.5
5
tSU
Data In Setup Time
2.5–5.5
10
1.8–5.5
20
tH
Data In Hold Time
4.5–5.5
5
2.5–5.5
10
1.8–5.5
20
tHD
HOLD Setup Time
4.5–5.5
5
2.5–5.5
10
1.8–5.5
20
tCD
HOLD Hold Time
4.5–5.5
5
2.5–5.5
10
1.8–5.5
20
tV
Output Valid
4.5–5.5
0
20
2.5–5.5
0
40
1.8–5.5
0
80
tHO
Output Hold Time
4.5–5.5
0
2.5–5.5
0
1.8–5.5
0
Units
MHz
µs
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
4 AT25128B/256B
8698B–SEEPR–3/10
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