參數(shù)資料
型號: AT24C64A
廠商: Atmel Corp.
元件分類: DRAM
英文描述: The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each
中文描述: 該CAT24FC02是一個2 KB的EEPROM的國內256個8位每字舉辦的串行CMOS
文件頁數(shù): 6/20頁
文件大小: 216K
代理商: AT24C64A
6
AT24C32A/64A
3054N–SEEPR–2/04
Device Operation
CLOCK and DATA TRANSITIONS:
The SDA pin is normally pulled high with an exter-
nal device. Data on the SDA pin may change only during SCL low time periods (refer to
Data Validity timing diagram). Data changes during SCL high periods will indicate a start
or stop condition as defined below.
START CONDITION:
A high-to-low transition of SDA with SCL high is a start condition
which must precede any other command (refer to Start and Stop Definition timing
diagram).
STOP CONDITION:
A low-to-high transition of SDA with SCL high is a stop condition.
After a read sequence, the stop command will place the EEPROM in a standby power
mode (refer to Start and Stop Definition timing diagram).
ACKNOWLEDGE:
All addresses and data words are serially transmitted to and from the
EEPROM in 8-bit words. The EEPROM sends a zero during the ninth clock cycle to
acknowledge that it has received each word.
STANDBY MODE:
The AT24C32A/64A features a low power standby mode which is
enabled: a) upon power-up and b) after the receipt of the STOP bit and the completion
of any internal operations.
MEMORY RESET:
After an interruption in protocol, power loss or system reset, any 2-
wire part can be reset by following these steps:
(a) Clock up to 9 cycles, (b) look for SDA high in each cycle while SCL is high and then
(c) create a start condition as SDA is high.
相關PDF資料
PDF描述
AT24C64A-10PI-2.7 The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each
AT24C64A-10TI-2.7 Hex Buffers And Line Drivers With 3-State Outputs 16-TVSOP -40 to 85
AT24C32A Quadruple 2-Input Positive-OR Gates 14-SSOP -40 to 85
AT24C64A-10TU-2.7 Hex Buffers And Line Drivers With 3-State Outputs 16-TVSOP -40 to 85
AT24C32A-10TI-1.8 The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each
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參數(shù)描述
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