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HN58X24512FPIE View Datasheet(PDF) - Renesas Electronics

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HN58X24512FPIE Datasheet PDF : 19 Pages
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HN58X24512I
Pin Function
Serial Clock (SCL)
The SCL pin is used to control serial input/output data timing. The SCL input is used to positive edge
clock data into EEPROM device and negative edge clock data out of each device. Maximum clock rate is
1 MHz.
Serial Input/Output Data (SDA)
The SDA pin is bidirectional for serial data transfer. The SDA pin needs to be pulled up by resistor as that
pin is open-drain driven structure. Use proper resistor value for your system by considering VOL, IOL and
the SDA pin capacitance. Except for a start condition and a stop condition, which will be discussed later,
the SDA transition needs to be completed during SCL low period.
Data Validity (SDA data change timing waveform)
SCL
SDA
Note:
Data
change
Data
change
High-to-low and low-to-high change of SDA should be done during SCL low periods.
Rev.2.00, Dec.13.2004, page 7 of 17
 

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