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參數資料
| 型號： | HT24LC04 |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | 4K-Bit 2-Wire Serial Interface CMOS Serial EEPROM(4K位、2線接口、 CMOS串行EEPROM) |
| 中文描述： | 4K的位2線串行接口的CMOS串行EEPROM（4K的位，2線接口，串行EEPROM中的CMOS） |
| 文件頁數： | 6/8頁 |
| 文件大小： | 228K |
| 代理商： | HT24LC04 |
Write protect
The HT24LC04 can be used as a serial ROM
when the WP pin is connected to VCC. Pro-
gramming 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
E E PROM, 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 E E PROM. 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
HT24LC04
6
6th May ’99
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| HT25LC512 | CMOS 64Kx8-Bit SPI Serial OTP EPROM |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| HT24LC04(8DIP) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:EEPROM |
| HT24LC04(8SOP) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:EEPROM |
| HT24LC04_10 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:CMOS 4K 2-Wire Serial EEPROM |
| HT24LC04-8DIP-A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:EEPROM |
| HT24LC04-8SOP-A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:EEPROM |
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