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| 型号： | AT24C128BN-SH-B |
| 厂商： | Atmel |
| 文件页数： | 6/23页 |
| 文件大小： | 0K |
| 描述： | IC EEPROM 128KBIT 1MHZ 8SOIC |
| 标准包装： | 100 |
| 格式 - 存储器： | EEPROMs - 串行 |
| 存储器类型： | EEPROM |
| 存储容量： | 128K (16K x 8) |
| 速度： | 400kHz，1MHz |
| 接口： | I²C，2 线串口 |
| 电源电压： | 1.8 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-SOIC |
| 包装： | 管件 |
| 产品目录页面： | 1456 (CN2011-ZH PDF) |
6. Device Operation
CLOCK and DATA TRANSITIONS: The SDA pin is normally pulled high with an external device.
Data on the SDA pin may change only during SCL low time periods (see Figure 6-1 ). Data
changes during SCL high periods will indicate a start or stop condition as defined below.
Figure 6-1.
Data Validity
SDA
SCL
DATA STABLE
DATA STABLE
DATA
CHANGE
START CONDITION: A high-to-low transition of SDA with SCL high is a start condition that must
precede any other command (see Figure 6-2 ).
Figure 6-2.
Start and Stop Definition
SDA
SCL
START
STOP
STOP CONDITION: A low-to-high transition of SDA with SCL high is a stop condition. After a
read sequence, the stop command will place the EEPROM in a standby power mode (see Fig-
ure 6-2 ).
ACKNOWLEDGE: All addresses and data words are serially transmitted to and from the
EEPROM in 8-bit words. The EEPROM sends a “0” during the ninth clock cycle to acknowledge
that it has received each word.
STANDBY MODE: The AT24C128B features a low-power standby mode that is enabled upon
power-up and after the receipt of the stop bit and the completion of any internal operations.
SOFTWARE RESET: After an interruption in protocol, power loss or system reset, any 2-wire
part can be protocol reset by following these steps: (a) Create a start bit condition, (b) clock 9
6
AT24C128B
5296A–SEEPR–1/08
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相关代理商/技术参数 |
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| AT24C128BN-SH-T | 功能描述:电可擦除可编程只读存储器 IND TEMP 1.8V - 128Kbit 2-Wire Bus RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 |
| AT24C128B-PU | 功能描述:电可擦除可编程只读存储器 IND TEMP 1.8V - 128Kbit 2-Wire Bus RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 |
| AT24C128B-TH-B | 功能描述:电可擦除可编程只读存储器 IND TEMP 1.8V - 128Kbit 2-Wire Bus RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 |
| AT24C128B-TH-T | 功能描述:电可擦除可编程只读存储器 IND TEMP 1.8V - 128Kbit 2-Wire Bus RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 |
| AT24C128BU2-UU-T | 功能描述:电可擦除可编程只读存储器 IND TEMP 1.8V - 128Kbit 2-Wire Bus RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 |
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