PCA9545APW,112 NXP Semiconductors, PCA9545APW,112 Datasheet - Page 3

• Manufacturer Part Number: PCA9545APW,112
• Description: IC I2C SWITCH 4CH 20TSSOP
• Manufacturer: NXP Semiconductors

Specifications of PCA9545APW,112

• Package / Case: 20-TSSOP
• Applications: 4-Channel I²C Switcher
• Interface: I²C, SMBus
• Voltage - Supply: 2.3 V ~ 5.5 V
• Mounting Type: Surface Mount
• Number Of Channels: 4 Channel
• On Resistance (max): 55 Ohms
• Propagation Delay Time: 0.3 ns
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.3 V
• Supply Current: 100 mA
• Maximum Power Dissipation: 400 mW
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Number Of Switches: 1
• Off State Leakage Current (max): 1 uA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 935275809112; PCA9545APW; PCA9545APW

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