New NXP PCA9548 Series 8-Channel I2C-Bus Translating Switch W/ Reset TSSOP-24 Low Standby Current
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New NXP PCA9548 Series 8-Channel I2C-Bus Translating Switch W/ Reset TSSOP-24 Low Standby Current Overview
out to eight downstream pairs, or channels. Any individual SCx/SDx channel or combination of channels can be selected, determined by the contents of the programmable control register. An active LOW reset input allows the PCA9548A to recover from a situation where one of the downstream 12C-buses is stuck in a LOW state. Pulling the RESET pin LOW resets the 12C-bus state machine and causes all the channels to be deselected as does the internal Power-on reset function. Features: Power-up with all switch channels deselected. Allows voltage level translation between 1.8 V, 2.5 V, 3.3 V and 5 V buses. No glitch on power-up. Supports hot insertion. Low standby current. Operating power supply voltage range of 2.3 V to 5.5 V. 0 Hz to 400 kHz clock frequency. Interface Circuit Type: 12C. Number of Channels: 8. Clock Frequency-Max: 400 kHz. Supply Voltage-Nom: 2.3 to 5.5 V. Supply Current: ¡À100 mA.
New NXP PCA9548 Series 8-Channel I2C-Bus Translating Switch W/ Reset TSSOP-24 Low Standby Current Feature
- PCA9548 Series 8-Channel 12C-Bus Translating Switch w/ Reset - TSSOP-24.
- 1-of-8 bidirectional translating switches; Active LOW reset input.
- 12C-bus interface logic; compatible with SMBus standards.
- 3 address pins allowing up to 8 devices on the 12C-bus; Low Ron switches.
- Channel selection via 12C-bus, in any combination; 5 V tolerant inputs.
