Compatible with the IIC bus and System Management Bus (SMBus), the dual-way bidirectional IIC bus buffer repeater contains two identical bidirectional open-drain buffer circuits that can scale 2C and similar bus systems without compromising system performance.
Since the 12C bus capacitance is limited to 400 pF, the number of devices and bus length are limited. With the PCA9515A, system designers can isolate the two halves of the bus to accommodate more 12C devices or longer wiring lengths. It can realize different level signal communication of 1IC devices on both sides of the buffer repeater, such as 5V and 3.3V signal level IIC communication.
It can also match the communication rate of the I1C devices on both sides of the buffer repeater, such as 400KHz on one side and 100KHz on the other, but the maximum communication rate of the system will be slightly less than 100KHz because the buffer repeater has a delay. Two or more PCA951 5A cannot be cascaded. Devices For SDA and for SCL are open drain outputs.
وصف
Product parameters:
Working voltage: 2.3V~3.6V
IIC clock frequency: 0~ 400KHz
Operating temperature: -40°C~85°C
Small board size: 1 8.5mm* 13.3mm* 2.43mm
With two M3 mounting holes
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