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参数资料
| 型号： | AT24C512BY7-YH25-T |
| 厂商： | Atmel |
| 文件页数： | 6/26页 |
| 文件大小： | 0K |
| 描述： | IC EEPROM 512KBIT 1MHZ 8SAP |
| 标准包装： | 3,000 |
| 格式 - 存储器： | EEPROMs - 串行 |
| 存储器类型： | EEPROM |
| 存储容量： | 512K (64K x 8) |
| 速度： | 1MHz |
| 接口： | I²C，2 线串口 |
| 电源电压： | 2.5 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-UDFN 裸露焊盘 |
| 供应商设备封装： | 8-SAP（4.9x6.0） |
| 包装： | 带卷 (TR) |
3. 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 3-4 on page 8 ).
Data changes during SCL high periods will indicate a start or stop condition as defined below.
START CONDITION: A high-to-low transition of SDA with SCL high is a start condition which
must precede any other command (see Figure 3-5 on page 8 ).
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 3-5 on page 8 ).
ACKNOWLEDGE: All addresses and data words are serially transmitted to and from the
EEPROM in 8-bit words. The EEPROM sends a zero during the ninth clock cycle to acknowl-
edge that it has received each word.
STANDBY MODE: The AT24C512B features a low power standby mode which is enabled: a)
upon power-up and b) 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 cycles, (c) create another start bit followed by stop bit condition as shown below.
The device is ready for next communication after above steps have been completed.
Figure 3-1.
Protocol Reset Condition
Start bit
Dummy Clock Cycles
Start bit
Stop bit
SCL
1
2
3
8
9
SDA
6
AT24C512B
5297A–SEEPR–1/08
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AT24C512BY7-YH-T | 功能描述:电可擦除可编程只读存储器 2.5V - NIPDAU 1.8V 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 |
| AT24C512C1-10CC-2.7 | 功能描述:电可擦除可编程只读存储器 512k 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 |
| AT24C512C1-10CI-1.8 | 功能描述:IC EEPROM 512KBIT 400KHZ 8LAP RoHS:否 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:378 系列:- 格式 - 存储器:闪存 存储器类型:FLASH 存储容量:8M（1M x 8，512K x 16） 速度:110ns 接口:并联 电源电压:2.7 V ~ 3.6 V 工作温度:-40°C ~ 85°C 封装/外壳:48-CBGA 供应商设备封装:48-CBGA（7x7） 包装:托盘 |
| AT24C512C1-10CI-2.7 | 功能描述:电可擦除可编程只读存储器 512k 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 |
| AT24C512C1-10CU-2.7 | 制造商:Atmel Corporation 功能描述:EEPROM Serial-2Wire 512K-bit 64K x 8 3.3V/5V 8-Pin LAP |
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