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参数资料
| 型号： | AT24C02A-10PU-1.8 |
| 厂商： | Atmel |
| 文件页数： | 6/20页 |
| 文件大小： | 0K |
| 描述： | IC EEPROM 2KBIT 400KHZ 8DIP |
| 标准包装： | 50 |
| 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： | 1.8 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 8-PDIP |
| 包装： | 管件 |
Device Operation
CLOCK and DATA TRANSITIONS: The SDA pin is normally pulled high with an exter-
nal device. Data on the SDA pin may change only during SCL low time periods (see
Figure 2). Data changes during SCL high periods will indicate a start or stop condition as
defined below.
Figure 2. Data Validity
START CONDITION: A high-to-low transition of SDA with SCL high is a start condition
that must precede any other command (see Figure 3 ).
Figure 3. Start and Stop Definition
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 Figure 3 ).
ACKNOWLEDGE: All addresses and data words are serially transmitted to and from
the EEPROM in 8-bit words. . The EEPROM sends a “0” to acknowledge that it has
received each word. This happens during the ninth clock cycle.
STANDBY MODE: The AT24C02A/04A/08A/16A features a low-power standby mode
that is enabled: (a) upon power-up and (b) after the receipt of the Stop bit and the com-
pletion of any internal operations.
MEMORY RESET: After an interruption in protocol, power loss or system reset, any
two-wire part can be reset by following these steps:
1. Clock up to 9 cycles
2. Look for SDA high in each cycle while SCL is high
3 . Create a start condition as SDA is high.
6
AT24C02A/04A
0976Q–SEEPR–8/05
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AT24C02A-10PU-2.7 | 功能描述:IC EEPROM 2KBIT 400KHZ 8DIP RoHS:是 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:96 系列:- 格式 - 存储器:闪存 存储器类型:FLASH 存储容量:16M（2M x 8，1M x 16） 速度:70ns 接口:并联 电源电压:2.65 V ~ 3.6 V 工作温度:-40°C ~ 85°C 封装/外壳:48-TFSOP（0.724"，18.40mm 宽） 供应商设备封装:48-TSOP 包装:托盘 |
| AT24C02A-10SC | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:2-Wire Serial EEPROM |
| AT24C02A-10SC-1.8 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:2-Wire Serial EEPROM |
| AT24C02A-10SC-2.5 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:2-Wire Serial EEPROM |
| AT24C02A-10SC-2.7 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:2-Wire Serial EEPROM |
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