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HT24LC08 PDF预览

HT24LC08

更新时间： 2024-02-15 16:42:08
品牌 Logo 应用领域
台湾合泰/盛群 - HOLTEK 可编程只读存储器电动程控只读存储器电可擦编程只读存储器
页数 文件大小 规格书
11页 158K
描述
CMOS 8K 2-Wire Serial EEPROM

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HT24LC08 技术参数

生命周期：Active包装说明：SOP-8
Reach Compliance Code：unknown风险等级：5.77
其他特性：ALSO HAVING DIP-8 PIN PACKAGE最大时钟频率 (fCLK)：1 MHz
JESD-30 代码：R-PDSO-G8长度：4.9022 mm
内存密度：8192 bit内存集成电路类型：EEPROM
内存宽度：8功能数量：1
端子数量：8字数：1024 words
字数代码：1000工作模式：SYNCHRONOUS
最高工作温度：85 °C最低工作温度：-40 °C
组织：1KX8封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE并行/串行：SERIAL
座面最大高度：1.7526 mm串行总线类型：I2C
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：1.8 V
标称供电电压 (Vsup)：2.4 V表面贴装：YES
技术：CMOS温度等级：INDUSTRIAL
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL宽度：3.9116 mm
最长写入周期时间 (tWC)：5 msBase Number Matches：1

HT24LC08 数据手册

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HT24LC08  
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Random read  
Read operations  
The HT24LC08 supports three read operations,  
namely, current address read, random address read  
and sequential read. During read operation execution,  
the read/write select bit should be set to ²1².  
Arandom read requires a dummy byte write sequence  
to load in the data word address which is then clocked  
in and acknowledged by the EEPROM. The  
microcontroller must then generate another start con-  
dition. The microcontroller now initiates a current ad-  
dress read by sending a device address with the  
read/write select bit high. The EEPROM acknowl-  
edges the device address and serially clocks out the  
data word. The microcontroller should respond with a  
²no ACK² signal (high) followed by a stop condition  
(refer to Random read timing).  
·
Current address read  
The internal data word address counter maintains the  
last address accessed during the last read or write op-  
eration, incremented by one. This address stays valid  
between operations as long as the chip power is main-  
tained. The address roll over during read from the last  
byte of the last memory page to the first byte of the first  
page. The address roll over during write from the last  
byte of the current page to the first byte of the same  
page. Once the device address with the read/write se-  
lect bit set to one is clocked in and acknowledged by  
the EEPROM, the current address data word is seri-  
ally clocked out. The microcontroller should respond  
with a ²no ACK² signal (high) followed by a stop condi-  
tion (refer to Current read timing).  
·
Sequential read  
Sequential reads are initiated by either a current ad-  
dress read or a random address read. After the  
microcontroller receives a data word, it responds with  
an acknowledgment. As long as the EEPROM re-  
ceives an acknowledgment, it will continue to incre-  
ment the data word address and serially clock out  
sequential data words. When the memory address  
limit is reached, the data word address will roll over  
and the sequential read continues. The sequential  
read operation is terminated when the microcontroller  
responds with a ²no ACK² signal (high) followed by a  
stop condition.  
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Current Read Timing  
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Random Read Timing  
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Sequential Read Timing  
Rev. 1.30  
5
November 25, 2003  
12345678...11

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