PCA9545AD,118 NXP Semiconductors, PCA9545AD,118 Datasheet - Page 3

• Manufacturer Part Number: PCA9545AD,118
• Description: IC I2C SWITCH 4CH 20-SOIC
• Manufacturer: NXP Semiconductors

Specifications of PCA9545AD,118

• Applications: 4-Channel I²C Switcher
• 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
• Logical Function: I2C Multiplexer
• Configuration: 1 x 4:1
• Number Of Inputs: 4
• Number Of Outputs: 1
• Operating Supply Voltage (typ): 2.5/3.3/5V
• Operating Supply Voltage (min): 2.3V
• Operating Supply Voltage (max): 5.5V
• Power Dissipation: 400mW
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 20
• Package Type: SO
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 568-1864-2; 935275808118; PCA9545AD-T

NXP Semiconductors
4. Block diagram
PCA9545A_45B_45C_7
Product data sheet
Fig 1.
RESET
SDA
INT0
INT3
SC0
SC1
SC2
SC3
SD0
SD1
SD2
SD3
V
SCL
V
to
DD
SS
Block diagram of PCA9545A/45B/45C
PCA9545A/PCA9545B/PCA9545C
POWER-ON
Rev. 07 — 19 June 2009
RESET
FILTER
INPUT
4-channel I
SWITCH CONTROL LOGIC
2
C-bus switch with interrupt logic and reset
PCA9545A/45B/45C
CONTROL
I
INTERRUPT LOGIC
2
C-BUS
© NXP B.V. 2009. All rights reserved.
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A0
A1
INT