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參數資料
| 型號： | AT24CXX |
| 廠商： | Atmel Corp. |
| 元件分類： | DRAM |
| 英文描述： | 2-Wire Serial EEPROM |
| 中文描述： | 2線串行EEPROM |
| 文件頁數： | 6/24頁 |
| 文件大?。?/td> | 445K |
| 代理商： | AT24CXX |
6
AT24C01A/02/04/08A/16A
0180V–SEEPR–8/05
Device Operation
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 4 on page 7). 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 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 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 AT24C01A/02/04/08A/16A 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.
MEMORY RESET:
After an interruption in protocol, power loss or system reset, any 2-
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.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AT24HC02B10TU18 | 制造商:Atmel Corporation 功能描述: |
| AT24HC02BN-SH-B | 功能描述:電可擦除可編程只讀存儲器 2K 2-WIRE 256 x 8 1.8V RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數據保留:100 yr 最大時鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| AT24HC02BN-SH-T | 功能描述:電可擦除可編程只讀存儲器 8- 1.8V - 8- 1.8V RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數據保留:100 yr 最大時鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| AT24HC02B-PU | 功能描述:電可擦除可編程只讀存儲器 1.8V RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數據保留:100 yr 最大時鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| AT24HC02B-PU-RET | 制造商:Atmel Corporation 功能描述: |
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