9515A 查看數據表（PDF） - Philips Electronics

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9515A

I2C-bus repeater

Philips Electronics 

Philips Semiconductors

I2C-bus repeater

Product data sheet

PCA9515A

On the Bus 1 side of the PCA9515A, the clock and data lines would

have a positive offset from ground equal to the VOL of the

PCA9515A. After the 8th clock pulse, the data line will be pulled to

the VOL of the slave device that is very close to ground in our

example.

9th CLOCK PULSE

It is important to note that any arbitration or clock stretching events

on Bus 1 require that the VOL of the devices on Bus 1 be 70 mV

below the VOL of the PCA9515A (see VOL – Vilc in the DC

Characteristics section) to be recognized by the PCA9515A and

then transmitted to Bus 0.

2 V/DIV

VOL OF SLAVE

Figure 5. Bus 1 waveform

VOL OF PCA9515A

SW02246

2004 Sep 29

5

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