参数资料
| 型号： | AT24C02C-STUM-T |
| 厂商： | Atmel |
| 文件页数： | 6/23页 |
| 文件大小： | 0K |
| 描述： | IC EEPROM 2KBIT 1MHZ SOT23-5 |
| 标准包装： | 1 |
| 格式 - 存储器： | EEPROMs - 串行 |
| 存储器类型： | EEPROM |
| 存储容量： | 2K (256 x 8) |
| 速度： | 400kHz，1MHz |
| 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： | SC-74A，SOT-753 |
| 供应商设备封装： | SOT-23-5 |
| 包装： | 剪切带 (CT) |
| 其它名称： | AT24C02C-STUM-TCT |
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 6-4 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 6-5 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 Figure 6-5 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 to acknowledge that it has received each word. This happens during the ninth clock cycle.
Standby Mode: The AT24C01C/02C features a low power standby mode which is enabled:
?
?
Upon power-up.
After the receipt of the stop bit and the completion of any internal operations.
2-wire Software Reset: After an interruption in protocol, power loss, or system reset, any 2-wire part can be reset by
following these steps:
1.
2.
3.
Create a start bit condition.
Clock nine cycles.
Create another start bit followed by stop bit condition as shown in Figure 6-1 .
The device is ready for the next communication after above steps have been completed.
Figure 6-1. Software reset
Dummy Clock Cycles
SCL
1
2
3
8
9
SDA
Start
Bit
Start
Bit
Stop
Bit
Atmel AT24C01C/02C [DATASHEET]
8700F–SEEPR–6/12
6
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| AT24C02C-STUM-T SL901 | 制造商:Atmel Corporation 功能描述:IC EEPROM 2KBIT 1MHZ SOT23-5 |
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| AT24C02C-XHM-B | 功能描述:电可擦除可编程只读存储器 PB/HALO free NiPdAu, 1.7V 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 |
| AT24C02C-XHM-T | 功能描述:电可擦除可编程只读存储器 PB/HALO free NiPdAu, 1.7V 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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