PCA9544AD,112 NXP Semiconductors, PCA9544AD,112 Datasheet - Page 17

• 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

PCA9544A
NXP Semiconductors
2
4-channel I
C-bus multiplexer with interrupt logic
SDA
t
t
t
t
t
r
f
HD;STA
SP
BUF
t
LOW
SCL
t
t
t
HD;STA
SU;STA
SU;STO
t
t
t
HD;DAT
HIGH
SU;DAT
P
S
Sr
P
002aaa986
2
Fig 15. Definition of timing on the I
C-bus
PCA9544A_4
© NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 04 — 15 June 2009
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