HN58X24512FPI 데이터 시트보기 (PDF) - Hitachi -> Renesas Electronics

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HN58X24512FPI

Two-wire serial interface 512k EEPROM (64-kword × 8-bit)

Hitachi -> Renesas Electronics 

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.

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