参数资料
型号: 24AA025E48T-I/SN
厂商: Microchip Technology
文件页数: 4/28页
文件大小: 0K
描述: IC EEPROM SER 2K I2C 8-SOIC
标准包装: 3,300
格式 - 存储器: EEPROMs - 串行
存储器类型: EEPROM
存储容量: 2K (256 x 8)
速度: 100kHz,400kHz
接口: I²C,2 线串口
电源电压: 1.7 V ~ 5.5 V
工作温度: -40°C ~ 85°C
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOICN
包装: 带卷 (TR)
24AA02E48/24AA025E48
TABLE 1-2:
AC CHARACTERISTICS
AC CHARACTERISTICS
Industrial (I):
T A = -40°C to +85°C, V CC = +1.7V to +5.5V
Param.
No.
1
Sym.
F CLK
Characteristic
Clock frequency
Min.
Typ.
Max.
400
Units
kHz
Conditions
2.5V ? V CC ? 5.5V
100
1.7V ? V CC ? 2.5V
2
3
T HIGH
T LOW
Clock high time
Clock low time
600
4000
1300
ns
ns
2.5V ? V CC ? 5.5V
1.7V ? V CC ? 2.5V
2.5V ? V CC ? 5.5V
4700
1.7V ? V CC ? 2.5V
4
T R
SDA and SCL rise time
300
ns
2.5V ? V CC ? 5.5V (Note 1)
(Note 1)
1000
1.7V ? V CC ? 2.5V (Note 1)
5
T F
SDA and SCL fall time
300
ns
(Note 1)
6
T HD : STA
Start condition hold time
600
ns
2.5V ? V CC ? 5.5V
4000
1.7V ? V CC ? 2.5V
7
T SU : STA
Start condition setup
600
ns
2.5V ? V CC ? 5.5V
time
4700
1.7V ? V CC ? 2.5V
8
T HD : DAT
Data input hold time
0
ns
(Note 2)
9
T SU : DAT
Data input setup time
100
ns
2.5V ? V CC ? 5.5V
250
1.7V ? V CC ? 2.5V
10
T SU : STO
Stop condition setup
600
ns
2.5V ? V CC ? 5.5V
time
4000
1.7V ? V CC ? 2.5V
11
12
T AA
T BUF
Output valid from clock
(Note 2)
Bus free time: Time the
1300
900
3500
ns
ns
2.5V ? V CC ? 5.5V
1.7V ? V CC ? 2.5V
2.5V ? V CC ? 5.5V
bus must be free before
4700
1.7V ? V CC ? 2.5V
a new transmission can
start
13
T OF
Output fall time from V IH
minimum to V IL
250
250
ns
2.5V ? V CC ? 5.5V
1.7V ? V CC ? 2.5V
maximum
14
T SP
Input filter spike
50
ns
(Notes 1 and 3)
suppression
(SDA and SCL pins)
15
T WC
Write cycle time (byte or
5
ms
page)
16
Endurance
1M
cycles 25°C (Note 4)
Note 1:
2:
3:
4:
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 T I specification for standard operation.
This parameter is not tested but ensured 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.
DS22124D-page 4
? 2010 Microchip Technology Inc.
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