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| 型号： | PCA8581T/6,118 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 5/20页 |
| 文件大小： | 0K |
| 描述： | IC EEPROM 1KBIT 100KHZ 8SOIC |
| 标准包装： | 2,500 |
| 格式 - 存储器： | EEPROMs - 串行 |
| 存储器类型： | EEPROM |
| 存储容量： | 1K (128 x 8) |
| 速度： | 100kHz |
| 接口： | I²C，2 线串口 |
| 电源电压： | 4.5 V ~ 5.5 V |
| 工作温度： | -25°C ~ 85°C |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SO |
| 包装： | 带卷 (TR) |
| 其它名称： | 935276987118 PCA8581TD-T PCA8581TD-T-ND |
Philips Semiconductors
128 × 8-bit EEPROM with I 2 C-bus interface
Product speci?cation
PCA8581; PCA8581C
7
CHARACTERISTICS OF THE I 2 C-BUS
7.1
Bit transfer
The I 2 C-bus is for bidirectional, two-line communication
between different ICs or modules. The two lines are a
serial data line (SDA) and a serial clock line (SCL). Both
lines must be connected to a positive supply via a pull-up
resistor. Data transfer may be initiated only when the bus
is not busy.
SDA
SCL
data line
stable;
One data bit is transferred during each clock pulse.
The data on the SDA line must remain stable during the
HIGH period of the clock pulse as changes in the data line
at this time will be interpreted as a control signal.
change
of data
data valid
allowed
MBA607
Fig.3 Bit transfer.
7.2
Start and stop conditions
Both data and clock lines remain HIGH when the bus is not busy. A HIGH-to-LOW transition of the data line, while the
clock is HIGH is defined as the start condition (S). A LOW-to-HIGH transition of the data line while the clock is HIGH is
defined as the stop condition (P).
SDA
SCL
S
P
SDA
SCL
START condition
STOP condition
MBA608
Fig.4 Definition of START and STOP conditions.
1997 Apr 02
5
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PCA8581TD | 功能描述:电可擦除可编程只读存储器 电可擦除可编程只读存储器 128X8 W/I2C 100KHZ 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 |
| PCA8581TD-T | 功能描述:电可擦除可编程只读存储器 128X8 电可擦除可编程只读存储器 I2C BUS SO-8 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 |
| PCA8582F-2 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:256 x 8-bit CMOS EEPROMS with I2C-bus interface |
| PCA8582F-2P | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:256 x 8-bit CMOS EEPROMS with I2C-bus interface |
| PCA8582F-2T | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:256 x 8-bit CMOS EEPROMS with I2C-bus interface |
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