参数资料
型号: 24LC08B/SN
厂商: Microchip Technology
文件页数: 3/40页
文件大小: 0K
描述: IC EEPROM 8KBIT 400KHZ 8SOIC
产品培训模块: I2C Serial EEPROM
标准包装: 100
格式 - 存储器: EEPROMs - 串行
存储器类型: EEPROM
存储容量: 8K (4 x 256 x 8)
速度: 400kHz
接口: I²C,2 线串口
电源电压: 2.5 V ~ 5.5 V
工作温度: 0°C ~ 70°C
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOICN
包装: 管件
产品目录页面: 1446 (CN2011-ZH PDF)
24AA08/24LC08B
TABLE 1-2:
AC CHARACTERISTICS
V CC = +1.7V to +5.5V
AC CHARACTERISTICS
Industrial (I): T A = -40°C to +85°C
Automotive (E): T A = -40°C to +125°C
Param.
No.
1
Symbol
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 (24AA08)
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 (24AA08)
2.5V ? V CC ? 5.5V
4700
1.7V ? V CC ? 2.5V (24AA08)
4
T R
SDA and SCL rise time
300
ns
2.5V ? V CC ? 5.5V
( Note 1 )
1000
1.7V ? V CC ? 2.5V (24AA08)
5
6
T F
T HD : STA
SDA and SCL fall time
Start condition hold time
600
300
ns
ns
( Note 1 )
2.5V ? V CC ? 5.5V
4000
1.7V ? V CC ? 2.5V (24AA08)
7
8
9
10
T SU : STA
T HD : DAT
T SU : DAT
T SU : STO
Start condition setup
time
Data input hold time
Data input setup time
Stop condition setup
600
4700
0
100
250
600
ns
ns
ns
ns
2.5V ? V CC ? 5.5V
1.7V ? V CC ? 2.5V (24AA08)
( Note 2 )
2.5V ? V CC ? 5.5V
1.7V ? V CC ? 2.5V (24AA08)
2.5V ? V CC ? 5.5V
time
4000
1.7V ? V CC ? 2.5V (24AA08)
11
T AA
Output valid from clock
900
ns
2.5V ? V CC ? 5.5V
( Note 2 )
3500
1.7V ? V CC ? 2.5V (24AA08)
12
T BUF
Bus free time: Time the
bus must be free before
1300
4700
ns
2.5V ? V CC ? 5.5V
1.7V ? V CC ? 2.5V (24AA08)
a new transmission can
start
13
T OF
Output fall time from V IH
250
ns
2.5V ? V CC ? 5.5V
minimum to V IL ?
250
1.7V ? V CC ? 2.5V (24AA08)
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.
? 2002-2012 Microchip Technology Inc.
DS21710K-page 3
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