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参数资料
| 型号： | PCA8581T/6,118 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 8/20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
To transmit eight bytes in sequential order, begin with the lowest address bits 0 0 0. The data is written after a stop is
detected. The data is only written if complete bytes have been received and acknowledged. Writing takes a time t WR
(6 to 10 ms) during which the device will not respond to its slave address. Note that to write the next row, a new write
operation is required (start, slave address, row address, data and stop).
handbook, full pagewidth
acknowledgement
from slave
acknowledgement
from slave
acknowledgement
from slave
acknowledgement
from master
S
SLAVE ADDRESS
0 A X
WORD ADDRESS
A
S
SLAVE ADDRESS
1 A
DATA
A
R/W don't
care
at this moment master -
transmitter becomes
R/W
n bytes
auto increment
master - receiver and
memory word address
PCA8581(C) slave - receiver
becomes slave - transmitter
no acknowledgement
from master
DATA
last byte
1
P
MLB891
auto increment
memory word address
Fig.9 Master reads after setting word address (WRITE word address; READ data).
handbook, full pagewidth
acknowledgement
from slave
acknowledgement
from slave
acknowledgement
from slave
S
SLAVE ADDRESS
1 A
DATA
A
DATA
1
P
R/W
n bytes
auto increment
word address
last bytes
auto increment
word address
MBD824
Fig.10 Master reads slave immediately after first byte (READ mode).
An unlimited number of data bytes can be read in one operation. The address is automatically incremented. If a read
without setting the word address is performed after a write operation, the address pointer may point at a byte in the row
after the previously written row. This occurs if, during writing, the three lowest address bits (column) rolled over.
1997 Apr 02
8
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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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