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NXP PCA9548APW,118
Bus Switch, I2C, 8 Channels, Bus Switch, 24 ohm, TSSOP, 24 Pins
- Manufacturer:
- NXP NXP
- Manufacturer Part No:
- PCA9548APW,118
- Order Code:
- 2841042
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- Product Range
- -
- Technical Datasheet:
- PCA9548APW,118 Datasheet
- ECAD / MCAD
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Product Overview
PCA9548APW,118 is an 8-channel I²C-bus switch with reset in a 24 pin TSSOP packages. The SCL/SDA upstream pair fans 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 I²C-buses is stuck in a LOW state. Pulling RESET pin LOW resets I²C-bus state machine and causes all the channels to be deselected as does the internal power-on reset function. The pass gates of the switches are constructed such that the VDD pin can be used to limit the maximum high voltage which will be passed by PCA9548A. This allows the use of different bus voltages on each pair, so that 1.8/2.5/3.3V parts can communicate with 5V parts without any additional protection. External pull-up resistors pull the bus up to the desired voltage level for each channel. All I/O pins are 6V tolerant.
- 1-of-8 bidirectional translating switches
- I²C-bus interface logic; compatible with SMBus standards
- 3 address pins allowing up to 8 devices on the I²C-bus
- Channel selection via I²C-bus, in any combination
- Power-up with all switch channels deselected
- Low Ron switches
- No glitch on power-up, supports hot insertion, low standby current
- Operating power supply voltage range of 2.3V to 5.5V and 6V tolerant input
- 0Hz to 400KHz clock frequency
- ESD protection exceeds 2000 V HBM per JESD22-A114 and 1KV CDM per JESD22-C101
Product Information
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- :
- 8Channels
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- -
- :
- Bus Switch
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- 24ohm
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- TSSOP
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- TSSOP
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- 24Pins
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- 4.5V
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- 5.5V
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- -
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- MSL 1 - Unlimited
Technical Documents (2)
Packaging type
Cut Tape
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35,806 deliver in 3-4 business days from our UK warehouse
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¥162.15
(¥178.37 Inc. JCT)
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| 100+ | ¥135.58 (¥149.14) |
| 500+ | ¥130.40 (¥143.44) |
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