參數(shù)資料
型號(hào)： HN58X24128I
廠商： Hitachi,Ltd.
英文描述： Two-wire serial interface, 128k EEPROM (16-kword x 8-bit), 256k EEPROM (32-kword x 8-bit)
中文描述： 兩線串行接口，128K的EEPROM中（16 KWord的× 8位），256k的EEPROM（32 KWord的× 8位）
文件頁(yè)數(shù)： 15/22頁(yè)
文件大?。?/td> 69K
代理商： HN58X24128I
HN58X24128I/HN58X24256I
15
Read Operation
There are three read operations: current address read, random read, and sequential read. Read operations
are initiated the same way as write operations with the exception of R/W = “1”.
Current Address Read:
The internal address counter maintains the last address accessed during the last read or write operation,
with incremented by one. Current address read accesses the address kept by the internal address counter.
After receiving a start condition and the device address word (R/W is “1”), the EEPROM outputs the 8-bit
current address data from the most significant bit following acknowledgment “0” If the EEPROM receives
acknowledgment “1” (no acknowledgment) and a following stop condition, the EEPROM stops the read
operation and is turned to a standby state. In case the EEPROM have accessed the last address of the last
page at previous read operation, the current address will roll over and returns to zero address. In case the
EEPROM have accessed the last address of the page at previous write operation, the current address will
roll over within page addressing and returns to the first address in the same page. The current address is
valid while power is on. The current address after power on will be indefinite. The random read operation
described below is necessary to define the memory address.
Current Address Read Operation
128k to 256k
Device
address
Read data (n+1)
Start
Stop
1 0 1 0
R
D
D
D
D
D
D
D
D
ACK
No ACK
R/W
相關(guān)PDF資料
PDF描述
HN58X24128TI Two-wire serial interface, 128k EEPROM (16-kword x 8-bit), 256k EEPROM (32-kword x 8-bit)
HN58X24256FPI Two-wire serial interface, 128k EEPROM (16-kword x 8-bit), 256k EEPROM (32-kword x 8-bit)
HN58X24256TI Two-wire serial interface, 128k EEPROM (16-kword x 8-bit), 256k EEPROM (32-kword x 8-bit)
HN58X24128SR Two-wire serial interface 128k EEPROM (16kword ×8-bit)(二線串行接口 128k EEPROM(16k字 ×8位))
HN58X24256SR Two-wire serial interface 256k EEPROM (32kword ×8-bit)(二線串行接口 256k EEPROM(32k字 ×8位))
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HN58X24128I/HN58X24256I 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
HN58X24128T 制造商:未知廠家 制造商全稱:未知廠家 功能描述:I2C Serial EEPROM
HN58X24128TI 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Two-wire serial interface, 128k EEPROM (16-kword x 8-bit), 256k EEPROM (32-kword x 8-bit)
HN58X24128TIE 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Two-wire serial interface 128k EEPROM (16-kword × 8-bit) 256k EEPROM (32-kword × 8-bit)
HN58X2416 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Two-wire serial interface 2k / 4k / 8k / 16k / 32k / 64k EEPROM(8-kword x 8-bit)
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