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| 型號(hào)： | 24AA1025 |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | 1024K I2C⑩ CMOS Serial EEPROM |
| 中文描述： | 1024K的I2C⑩的CMOS串行EEPROM |
| 文件頁(yè)數(shù)： | 3/22頁(yè) |
| 文件大?。?/td> | 267K |
| 代理商： | 24AA1025 |
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2007 Microchip Technology Inc.
Preliminary
DS21941E-page 3
24AA1025/24LC1025/24FC1025
TABLE 1-2:
AC CHARACTERISTICS
AC CHARACTERISTICS
Industrial (I):
Automotive (E): V
CC
= +2.5V to 5.5V T
A
= -40°C to +125°C
V
CC
= +1.7V to 5.5V
T
A
= -40°C to +85°C
Param.
No.
Sym.
Characteristic
Min.
Max.
Units
Conditions
1
F
CLK
Clock frequency
—
—
—
100
400
1000
—
—
—
—
—
—
1000
300
300
300
100
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
3500
900
400
—
—
—
250
250
kHz
1.7V
≤
V
CC
≤
2.5V
2.5V
≤
V
CC
≤
5.5V
(Note 5)
2.5V
≤
V
CC
≤
5.5V (24FC1025 only)
1.7V
≤
V
CC
≤
2.5V
2.5V
≤
V
CC
≤
5.5V
2.5V
≤
V
CC
≤
5.5V (24FC1025 only)
1.7V
≤
V
CC
≤
2.5V
2.5V
≤
V
CC
≤
5.5V
2.5V
≤
V
CC
≤
5.5V (24FC1025 only)
1.7V
≤
V
CC
≤
2.5V
2.5V
≤
V
CC
≤
5.5V
2.5V
≤
V
CC
≤
5.5V (24FC1025 only)
All except, 24FC1025
2.5V
≤
V
CC
≤
5.5V (24FC1025 only)
1.7V
≤
V
CC
≤
2.5V
2.5V
≤
V
CC
≤
5.5V
2.5V
≤
V
CC
≤
5.5V (24FC1025 only)
1.7V
≤
V
CC
≤
2.5V
2.5V
≤
V
CC
≤
5.5V
2.5V
≤
V
CC
≤
5.5V (24FC1025 only)
(Note 2)
1.7V
≤
V
CC
≤
2.5V
2.5V
≤
V
CC
≤
5.5V
2.5V
≤
V
CC
≤
5.5V (24FC1025 only)
1.7V
≤
V
CC
≤
2.5V
2.5V
≤
V
CC
≤
5.5V
2.5V
≤
V
CC
≤
5.5V (24FC1025 only)
1.7V
≤
V
CC
≤
2.5V
2.5V
≤
V
CC
≤
5.5V
2.5V
≤
V
CC
≤
5.5V (24FC1025 only)
1.7V
≤
V
CC
≤
2.5V
2.5V
≤
V
CC
≤
5.5V
2.5V
≤
V
CC
≤
5.5V (24FC1025 only)
1.7V
≤
V
CC
≤
2.5V
2.5V
≤
V
CC
≤
5.5V
2.5V
≤
V
CC
≤
5.5V (24FC1025 only)
1.7V
≤
V
CC
≤
2.5V
2.5V
≤
V
CC
≤
5.5V
2.5V
≤
V
CC
≤
5.5V (24FC1025 only)
All except, 24FC1025
(Note 1)
24FC1025
(Note 1)
2
T
HIGH
Clock high time
4000
600
500
4700
1300
500
—
—
—
—
—
4000
600
250
4700
600
250
0
250
100
100
4000
600
250
4000
600
600
4700
1300
1300
—
—
—
4700
1300
500
ns
3
T
LOW
Clock low time
ns
4
T
R
SDA and SCL rise time
(Note 1)
ns
5
T
F
SDA and SCL fall time
(Note 1)
Start condition hold time
ns
6
T
HD
:
STA
ns
7
T
SU
:
STA
Start condition setup time
ns
8
9
T
HD
:
DAT
Data input hold time
T
SU
:
DAT
Data input setup time
ns
ns
10
T
SU
:
STO
Stop condition setup time
ns
11
T
SU
:
WP
WP setup time
ns
12
T
HD
:
WP
WP hold time
ns
13
T
AA
Output valid from clock
(Note 2)
ns
14
T
BUF
Bus free time: Time the bus
must be free before a new
transmission can start
Output fall time from V
IH
minimum to V
IL
maximum
C
B
≤
100 pF
Input filter spike suppression
(SDA and SCL pins)
Not 100% tested. C
B
= total capacitance of one bus line in pF.
As a transmitter, the device must provide an internal minimum delay time to bridge the undefined region (minimum
300 ns) of the falling edge of SCL to avoid unintended generation of Start or Stop conditions.
The combined T
SP
and V
HYS
specifications are due to new Schmitt Trigger inputs which provide improved noise spike
suppression. This eliminates the need for a TI specification for standard operation.
This parameter is not tested but established by characterization. For endurance estimates in a specific application,
please consult the Total Endurance Model which can be obtained from Microchip’s web site at www.microchip.com.
Max. clock frequency is 100 kHz for E-temp devices <4.5V. 1.7-2.5V (100 kHz) timings must be used.
ns
15
T
OF
10 + 0.1C
B
ns
16
T
SP
—
50
ns
All except, 24FC1025
(Notes 1 and 3)
Note 1:
2:
3:
4:
5:
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