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参数资料
| 型号： | PCF8594C-2P/02,112 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 9/21页 |
| 文件大小： | 0K |
| 描述： | IC EEPROM 4KBIT 100KHZ 8DIP |
| 标准包装： | 50 |
| 格式 - 存储器： | EEPROMs - 串行 |
| 存储器类型： | EEPROM |
| 存储容量： | 4K (512 x 8) |
| 速度： | 100kHz |
| 接口： | I²C，2 线串口 |
| 电源电压： | 2.5 V ~ 6.0 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 8-DIP |
| 包装： | 管件 |
| 其它名称： | 568-3639-5 935195510112 PCF8594C2N |
Philips Semiconductors
PCF8594C-2
512 × 8-bit CMOS EEPROM with I 2 C-bus interface
8.1.5
Read operations
Read operations are initiated in the same manner as write operations with the
exception that the LSB of the slave address is set to logic 1.
There are three basic read operations: current address read, random read, and
sequential read.
Remark: The lower 8 bits of the word address are incremented after each
transmission of a data byte (read or write). The MSB of the word address, which is
de?ned in the slave address, is not changed when the word address count over?ows.
Thus, the word address over?ows from 255 to 0, and from 511 to 256.
acknowledge
from slave
acknowledge
from slave
acknowledge
from slave
acknowledge
from master
S
SLAVE ADDRESS
0 A
WORD ADDRESS
A
S
SLAVE ADDRESS
1 A
DATA
A
R/W
at this moment master
transmitter becomes
master receiver and
R/W
n bytes
auto increment
word address
EEPROM slave receiver
becomes slave transmitter
no acknowledge
from master
DATA
last byte
1
P
MBA703
auto increment
word address
Fig 7. Master reads PCF8594C-2 slave after setting word address (write word address; read data);
sequential read.
acknowledge
from slave
acknowledge
from master
no acknowledge
from master
S
SLAVE ADDRESS
1 A
DATA
A
DATA
1
P
R/W
n bytes
auto increment
word address
last bytes
auto increment
word address
MBA704 - 1
Fig 8. Master reads PCF8594C-2 immediately after ?rst byte (read mode); current address read.
9397 750 14221
? Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data
Rev. 05 — 25 October 2004
9 of 21
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PCF8594C-2T | 制造商:NXP Semiconductors 功能描述:Bulk |
| PCF8594C-2T/02,112 | 功能描述:电可擦除可编程只读存储器 512X8 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 |
| PCF8594C-2T/02,118 | 功能描述:电可擦除可编程只读存储器 512X8 电可擦除可编程只读存储器 2.5V TO 6.0V 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 |
| PCF8594C-2T/02112 | 制造商:Rochester Electronics LLC 功能描述: 制造商:NXP 功能描述: 制造商:NXP Semiconductors 功能描述: |
| PCF8594C-2T02 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:512 X 8-bit CMOS EEPROM with I2C-bus interface |
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