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参数资料
| 型号： | AT24C08AY6-10YH-1.8 SL383 |
| 厂商： | Atmel |
| 文件页数： | 9/27页 |
| 文件大小： | 0K |
| 描述： | IC EEPROM 8KBIT 400KHZ 8DFN |
| 标准包装： | 1 |
| 格式 - 存储器： | EEPROMs - 串行 |
| 存储器类型： | EEPROM |
| 存储容量： | 8K (1K 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-UDFN 裸露焊盘 |
| 供应商设备封装： | 8-MLP（2x3） |
| 包装： | 剪切带 (CT) |
| 其它名称： | AT24C08AY6-10YH-1.8 SL383CT AT24C08AY6-10YH-1.8 SL383CT-ND AT24C08AY6-10YH-1.8CT |
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AT24C01A/02/04/08A/16A
Device Addressing
Write Operations
The 1K, 2K, 4K, 8K and 16K EEPROM devices all require an 8-bit device address word
following a start condition to enable the chip for a read or write operation (refer to Figure
7).
The device address word consists of a mandatory one, zero sequence for the first four
most significant bits as shown. This is common to all the EEPROM devices.
The next 3 bits are the A2, A1 and A0 device address bits for the 1K/2K EEPROM.
These 3 bits must compare to their corresponding hard-wired input pins.
The 4K EEPROM only uses the A2 and A1 device address bits with the third bit being a
memory page address bit. The two device address bits must compare to their corre-
sponding hard-wired input pins. The A0 pin is no connect.
The 8K EEPROM only uses the A2 device address bit with the next 2 bits being for
memory page addressing. The A2 bit must compare to its corresponding hard-wired
input pin. The A1 and A0 pins are no connect.
The 16K does not use any device address bits but instead the 3 bits are used for mem-
ory page addressing. These page addressing bits on the 4K, 8K and 16K devices
should be considered the most significant bits of the data word address which follows.
The A0, A1 and A2 pins are no connect.
The eighth bit of the device address is the read/write operation select bit. A read opera-
tion is initiated if this bit is high and a write operation is initiated if this bit is low.
Upon a compare of the device address, the EEPROM will output a zero. If a compare is
not made, the chip will return to a standby state.
BYTE WRITE: A write operation requires an 8-bit data word address following the
device address word and acknowledgment. Upon receipt of this address, the EEPROM
will again respond with a zero and then clock in the first 8-bit data word. Following
receipt of the 8-bit data word, the EEPROM will output a zero and the addressing
device, such as a microcontroller, must terminate the write sequence with a stop condi-
tion. At this time the EEPROM enters an internally timed write cycle, t WR , to the
nonvolatile memory. All inputs are disabled during this write cycle and the EEPROM will
not respond until the write is complete (see Figure 8 on page 11).
PAGE WRITE: The 1K/2K EEPROM is capable of an 8-byte page write, and the 4K, 8K
and 16K devices are capable of 16-byte page writes.
A page write is initiated the same as a byte write, but the microcontroller does not send
a stop condition after the first data word is clocked in. Instead, after the EEPROM
acknowledges receipt of the first data word, the microcontroller can transmit up to seven
(1K/2K) or fifteen (4K, 8K, 16K) more data words. The EEPROM will respond with a zero
after each data word received. The microcontroller must terminate the page write
sequence with a stop condition (see Figure 9 on page 11).
The data word address lower three (1K/2K) or four (4K, 8K, 16K) bits are internally
incremented following the receipt of each data word. The higher data word address bits
are not incremented, retaining the memory page row location. When the word address,
internally generated, reaches the page boundary, the following byte is placed at the
beginning of the same page. If more than eight (1K/2K) or sixteen (4K, 8K, 16K) data
words are transmitted to the EEPROM, the data word address will “roll over” and previ-
ous data will be overwritten.
9
0180Z1–SEEPR–5/07
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AT24C08B | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:Two-wire Serial EEPROM |
| AT24C08BN-SH-B | 功能描述:电可擦除可编程只读存储器 8K 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 |
| AT24C08BN-SH-T | 功能描述:电可擦除可编程只读存储器 8K 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 |
| AT24C08BN-SP25B | 制造商:Atmel Corporation 功能描述: |
| AT24C08BN-SP25-B | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:Two-wire Automotive Temperature Serial EEPROM |
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