PCA9544AD,112 NXP Semiconductors, PCA9544AD,112 Datasheet - Page 3

• Manufacturer Part Number: PCA9544AD,112
• Description: IC I2C MUX 4CH 20SOIC
• Manufacturer: NXP Semiconductors

Specifications of PCA9544AD,112

• Applications: 4-Channel I²C Multiplexer
• Interface: I²C
• Voltage - Supply: 2.3 V ~ 3.6 V, 4.5 V ~ 5.5 V
• Package / Case: 20-SOIC (7.5mm Width)
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 935275899112; PCA9544AD; PCA9544AD

NXP Semiconductors
4. Block diagram
PCA9544A_4
Product data sheet
Fig 1.
INT[3:0]
SC0
SC1
SC2
SC3
SD0
SD1
SD2
SD3
SDA
V
SCL
V
DD
SS
Block diagram
PCA9544A
POWER-ON
RESET
FILTER
INPUT
Rev. 04 — 15 June 2009
SWITCH CONTROL LOGIC
4-channel I
INTERRUPT LOGIC
CONTROL
I
2
C-BUS
2
C-bus multiplexer with interrupt logic
PCA9544A
© NXP B.V. 2009. All rights reserved.
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A0
A1
A2
INT