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参数资料
| 型号： | AT24C128C-XHM-B |
| 厂商： | Atmel |
| 文件页数： | 9/22页 |
| 文件大小： | 0K |
| 描述： | IC EEPROM 128KBIT 400KHZ 8TSSOP |
| 标准包装： | 100 |
| 格式 - 存储器： | EEPROMs - 串行 |
| 存储器类型： | EEPROM |
| 存储容量： | 128K (16K 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-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 8-TSSOP |
| 包装： | 散装 |
7.
Device Addressing
The 128K EEPROM requires an 8-bit device address word following a start condition to enable the chip for a read or
write operation ( Figure 7-1 ). 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 2-wire EEPROM devices.
Figure 7-1. Device Addressing
1
0
1
0
A2
A1
A0
R/W
MSB
LSB
The next three bits are the A2, A1, and A0 device address bits to allow as many as eight devices on the same bus. These
bits must compare to their corresponding hard wired input pins. The A 2 , A 1 , and A 0 pins use an internal proprietary circuit
that biases them to a logic low condition if the pins are allowed to float.
The eighth bit of the device address is the read/write operation select bit. A read operation 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 device will return
to a standby state.
Data Security: AT24C128C has a hardware data protection scheme that allows the user to write protect the whole
memory when the WP pin is at V CC .
Atmel AT24C128C [DATASHEET]
8734B–SEEPR–9/2012
9
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AT24C128C-XHM-B SL901 | 制造商:Atmel Corporation 功能描述:IC EEPROM 128KBIT 1MHZ 8TSSOP |
| AT24C128C-XHM-T | 功能描述:电可擦除可编程只读存储器 SERIAL 电可擦除可编程只读存储器 128K (16K x 8) 2WIRE 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 |
| AT24C128C-XHM-T SL901 | 制造商:Atmel Corporation 功能描述:IC EEPROM 128KBIT 1MHZ 8TSSOP |
| AT24C128N-10SC | 功能描述:电可擦除可编程只读存储器 128K (16Kx8) 5V 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 |
| AT24C128N-10SC-1.8 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:2-Wire Serial EEPROMs |
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