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零件编号
产品描述 (功能)
AT25320B-CUL-T(2012) 查看數據表(PDF) - Atmel Corporation
零件编号
产品描述 (功能)
生产厂家
AT25320B-CUL-T
(Rev.:2012)
SPI Serial EEPROM 32Kb (4096 x 8) and 64Kb (8192 x 8)
Atmel Corporation
AT25320B-CUL-T Datasheet PDF : 24 Pages
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3.4 AC Characteristics
Applicable over recommended operating range from T
AI
= –40°C to +85°C, V
CC
= As Specified,
CL = 1 TTL Gate and 30pF (unless otherwise noted).
Symbol
Parameter
Voltage
Min
Max
f
SCK
SCK Clock Frequency
4.5–5.5
0
20
2.5–5.5
0
10
1.8–5.5
0
5
4.5–5.5
2
t
RI
Input Rise Time
2.5–5.5
2
1.8–5.5
2
4.5–5.5
2
t
FI
Input Fall Time
2.5–5.5
2
1.8–5.5
2
t
WH
SCK High Time
4.5–5.5
20
2.5–5.5
40
1.8–5.5
80
t
WL
SCK Low Time
4.5–5.5
20
2.5–5.5
40
1.8–5.5
80
t
CS
CS High Time
4.5–5.5
25
2.5–5.5
50
1.8–5.5
100
t
CSS
CS Setup Time
4.5–5.5
25
2.5–5.5
50
1.8–5.5
100
t
CSH
CS Hold Time
4.5–5.5
25
2.5–5.5
50
1.8–5.5
100
t
SU
Data In Setup Time
4.5–5.5
5
2.5–5.5
10
1.8–5.5
20
t
H
Data In Hold Time
4.5–5.5
5
2.5–5.5
10
1.8–5.5
20
t
HD
HOLD Setup Time
4.5–5.5
5
2.5–5.5
10
1.8–5.5
20
t
CD
HOLD Hold Time
4.5–5.5
5
2.5–5.5
10
1.8–5.5
20
t
V
Output Valid
4.5–5.5
0
20
2.5–5.5
0
40
1.8–5.5
0
80
t
HO
Output Hold Time
4.5–5.5
0
2.5–5.5
0
1.8–5.5
0
Units
MHz
μ
s
μ
s
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Atmel AT25320B/640B [DATASHEET]
5
8535G–SEEPROM–11/2012
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