参数资料
| 型号： | PCA24S08AD,112 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 6/24页 |
| 文件大小： | 0K |
| 描述： | IC EEPROM 8KBIT 400KHZ 8SOIC |
| 产品培训模块： | I²C Bus Fundamentals |
| 标准包装： | 100 |
| 格式 - 存储器： | EEPROMs - 串行 |
| 存储器类型： | EEPROM |
| 存储容量： | 8K (1K x 8) |
| 速度： | 400kHz |
| 接口： | I²C，2 线串口 |
| 电源电压： | 2.5 V ~ 3.6 V |
| 工作温度： | -40°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： | 管件 |
| 产品目录页面： | 844 (CN2011-ZH PDF) |
| 其它名称： | 568-5053-5 |
NXP Semiconductors
PCA24S08A
1024 × 8-bit CMOS EEPROM with access protection
auto-increment
auto-increment
word
address
word address
word address
word address
S
1
0
1
0
1
B2 B1
0
A B0 P2 P1 P0 A3 A2 A1 A0 A
DATA
A
DATA
A
P
START condition
R/W acknowledge
from slave
acknowledge
from slave
acknowledge
from slave
acknowledge
from slave
STOP condition
002aae791
Fig 6.
PCA24S08A_1
Auto-increment memory word address (2 byte write)
The general command encoding used by the serial port for EEPROM accesses is shown
in Figure 11 , where B[2:0] is the block number, P[2:0] is the page number within the block
and A[3:0] is the byte address within the page. Bits denoted as ‘X’ are ignored by the
device.
6.2.2 Page write
The PCA24S08A is capable of a 16-byte page write operation. It is initiated in the same
manner as the byte write operation. The master can transit 16 data bytes within one
transmission. After receipt of each byte, the PCA24S08A will respond with an
acknowledge. The typical E/W time in this mode is 5 ms.
After the receipt of each data byte, the four low-order bits of the word address are
internally incremented. The six high-order bits of the address remain unchanged. The
slave acknowledges the reception of each data byte with an ACK. The I 2 C-bus data
transfer is terminated by the master after the 16 th byte of data with a STOP condition.
After a write to the last byte in a page, the internal address is wrapped around to point to
the beginning of that page. If the master transmits more than 16 bytes prior to generating
the STOP condition, no acknowledge will be given on the 17 th (and following) data bytes
and the whole transmission will be ignored and no programming will be done. As in the
byte write operation, all inputs are disabled until completion of the internal write cycles.
After this STOP condition, the E/W cycle starts and the I 2 C-bus is free for another
transmission.
During the E/W cycle the slave receiver does not acknowledge if addressed via the
I 2 C-bus.
? NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 01 — 19 January 2010
6 of 24
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PCA24S08ADP | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:1024 x 8-bit CMOS EEPROM with access protection |
| PCA24S08ADP,118 | 功能描述:电可擦除可编程只读存储器 CMOS 电可擦除可编程只读存储器 W/ACCESS PROTECTION 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 |
| PCA24S08D | 功能描述:电可擦除可编程只读存储器 1024X8 CMOS 电可擦除可编程只读存储器 ACCESS PROT 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 |
| PCA24S08D,112 | 功能描述:电可擦除可编程只读存储器 1024X8 CMOS 电可擦除可编程只读存储器 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 |
| PCA24S08D,118 | 功能描述:电可擦除可编程只读存储器 1024X8 CMOS 电可擦除可编程只读存储器 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 |
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