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参数资料
| 型号： | 24LC01 |
| 厂商： | Holtek Semiconductor Inc. |
| 英文描述： | 1K/2K 2-Wire CMOS Serial EEPROM |
| 中文描述： | 1K/2K 2线的CMOS串行EEPROM |
| 文件页数： | 6/8页 |
| 文件大小： | 248K |
| 代理商： | 24LC01 |
write cycle, then no ACK will be returned. If
the cycle is completed, then the device will
return the ACK and the master can then pro-
ceed with the next read or write command.
Write protect
The HT24LC01/02 can be used as a serial
ROM when the WP pin is connected to VCC.
Programming will be inhibited and the entire
memory will be write-protected.
Read operations
Read operations are initiated the same way as
write operations with the exception that the
read/write select bit in the device address
word is set to one. There are three read opera-
tions: current address read, random address
read and sequential read.
Current address read
The internal data word address counter main-
tains the last address accessed during the last
read or write operation, incremented by one.
This address stays valid between operations
as long as the chip power is maintained. 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 de-
vice address with the read/write select bit set
to one is clocked in and acknowledged by the
EEPROM, the current address data word is
serially clocked out. The microcontroller does
not respond with an input zero but generates
a following stop condition (refer to Current
read timing).
Random read
A random 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 condition. The micro-
controller now initiates a current address
read by sending a device address with the
read/write select bit high. The EEPROM ac-
knowledges the device address and serially
clocks out the data word. The microcontroller
does not respond with a zero but does gener-
ates a following stop condition (refer to Ran-
dom read timing).
Acknowledge polling flow
HT24LC01/02
6
6th May ’99
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 24LC014 | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:1K I2C⑩ Serial EEPROM |
| 24LC014-E/MC | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:1K I2Ca?￠ Serial EEPROM |
| 24LC014-E/MNY | 功能描述:电可擦除可编程只读存储器 1K 128 X 8 SERIAL EE 2.5V EXT 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 |
| 24LC014-E/MS | 功能描述:电可擦除可编程只读存储器 1K 128 X 8 SERIAL EE 2.5V EXT 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 |
| 24LC014-E/P | 功能描述:电可擦除可编程只读存储器 1K 128 X 8 SERIAL EE 2.5V EXT 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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