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参数资料
| 型号： | PCA8581T/6,118 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 6/20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
7.3
System con?guration
A device generating a message is a ‘transmitter’, a device receiving a message is the ‘receiver’. The device that controls
the message is the ‘master’ and the devices which are controlled by the master are the ‘slaves’.
SDA
SCL
MASTER
TRANSMITTER /
RECEIVER
SLAVE
RECEIVER
SLAVE
TRANSMITTER /
RECEIVER
MASTER
TRANSMITTER
MASTER
TRANSMITTER /
RECEIVER
MBA605
Fig.5 System configuration.
7.4
Acknowledge
The device that acknowledges must pull down the SDA
The number of data bytes transferred between the start
and stop conditions from transmitter to receiver is
unlimited. Each byte of eight bits is followed by an
acknowledge bit. The acknowledge bit is a HIGH level
signal put on the bus by the transmitter during which time
the master generates an extra acknowledge related clock
pulse. A slave receiver which is addressed must generate
an acknowledge after the reception of each byte. Also a
master receiver must generate an acknowledge after the
reception of each byte that has been clocked out of the
slave transmitter.
line during the acknowledge clock pulse, so that the SDA
line is stable LOW during the HIGH period of the
acknowledge related clock pulse (set-up and hold times
must be taken into consideration). A master receiver must
signal an end of data to the transmitter by not generating
an acknowledge on the last byte that has been clocked out
of the slave. In this event the transmitter must leave the
data line HIGH to enable the master to generate a stop
condition.
handbook, full pagewidth
START
condition
clock pulse for
acknowledgement
SCL FROM
MASTER
1
2
8
9
DATA OUTPUT
BY TRANSMITTER
S
DATA OUTPUT
1997 Apr 02
BY RECEIVER
MBA606 - 1
Fig.6 Acknowledgement on the I 2 C-bus.
6
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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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