Factory source EEPROM - PCA9548APW,118 Circuitos integrados de interruptor multiplexor 8-CH I2C SWITCH W/RESET – Shinzo

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Factory source EEPROM - PCA9548APW,118 Circuitos integrados de interruptor multiplexor 8-CH I2C SWITCH W/RESET – Shinzo Detail:

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Atributo del producto Valor de atributo
Fabricante: NXP
Categoría de producto: Circuitos integrados de interruptor multiplexor
RoHS:  Detalles
Serie: PCA9548A
Producto: Multiplexers
Estilo de montaje: SMD/SMT
Paquete / Cubierta: TSSOP-24
Número de canales: 8 Channel
Configuración: 2 x 8:1
Voltaje de alimentación – Mín.: 2.3 V
Voltaje de alimentación – Máx.: 5.5 V
Mínimo voltaje de alimentación doble: -
Máximo voltaje de alimentación doble: -
Resistencia en modo encendido – Máx.: 24 Ohms
Tiempo encendido – Máx.: 300 ns
Tiempo apagado – Máx.: 300 ns
Temperatura de trabajo mínima: - 40 C
Temperatura de trabajo máxima: + 85 C
Empaquetado: Reel
Empaquetado: Cut Tape
Empaquetado: MouseReel
Ancho de banda: 0.4 MHz
Marca: NXP Semiconductors
Altura: 0.95 mm
Longitud: 7.9 mm
Voltaje de alimentación operativo: 2.3 V to 5.5 V
Dp – Disipación de potencia : 400 mW
Tipo de producto: Multiplexer Switch ICs
Tiempo de retardo de propagación: 0.3 ns
Cantidad de empaque de fábrica: 2500
Subcategoría: Switch ICs
Ancho: 4.5 mm
Alias de las piezas n.º: 935275816118
Peso de la unidad: 0.006399 oz

PCA9548A 8-channel I2C-bus switch with reset

The PCA9548A is an octal bidirectional translating switch controlled via the I2C-bus. 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 the RESET pin LOW resets the 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 the PCA9548A. This allows the use of different bus voltages on each pair, so that 1.8 V or 2.5 V or 3.3 V parts can communicate with 5 V 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 6 V tolerant.


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Factory source EEPROM - PCA9548APW,118  Circuitos integrados de interruptor multiplexor 8-CH I2C SWITCH W/RESET – Shinzo detail pictures

Factory source EEPROM - PCA9548APW,118  Circuitos integrados de interruptor multiplexor 8-CH I2C SWITCH W/RESET – Shinzo detail pictures


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