参数资料
| 型号： | AT24C256C-SSHL-B |
| 厂商： | Atmel |
| 文件页数： | 6/21页 |
| 文件大小： | 0K |
| 描述： | IC EEPROM 256KBIT IND 8SOIC |
| 标准包装： | 100 |
| 格式 - 存储器： | EEPROMs - 串行 |
| 存储器类型： | EEPROM |
| 存储容量： | 256K (32K 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： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 管件 |
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.
SDA
SCL
Data Validity
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 Figure 6-2 ).
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 acknowledge that it has received each word.
Standby Mode: AT24C256C 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.
Atmel AT24C256C [DATASHEET]
8568E–SEEPR–8/2012
6
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| AT24C256C-SSHL-T | 功能描述:电可擦除可编程只读存储器 256K (32K X 8), 2-WI 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 |
| AT24C256C-SSHL-T SL901 | 制造商:Atmel Corporation 功能描述:IC EEPROM 256KBIT 1MHZ 8SOIC |
| AT24C256C-SSPD-T | 制造商:Atmel Corporation 功能描述: |
| AT24C256C-XHLAU-B | 制造商:Atmel Corporation 功能描述:SERIAL EEPROM, 256K (32K X 8), 2-WI - 8 TSSOP, PB/HALO FREE - Bulk |
| AT24C256C-XHL-B | 功能描述:电可擦除可编程只读存储器 256K (32K X 8), 2-WI 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 |
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