PCA9545AD,118 NXP Semiconductors, PCA9545AD,118 Datasheet - Page 19

• 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
12. Test information
PCA9545A_45B_45C_7
Product data sheet
Fig 20. Expanded view of read input port register
Fig 21. Test circuitry for switching times
Definitions test circuit:
R
C
R
L
L
T
= Load resistance.
= Load capacitance including jig and probe capacitance.
= Termination resistance should be equal to the output impedance Z
INPUT
SDA
SCL
INT
Rev. 07 — 19 June 2009
t
v(INTnN INTN)
GENERATOR
PULSE
2
4-channel I
1
V
I
2
C-bus switch with interrupt logic and reset
R
0
T
D.U.T.
PCA9545A/45B/45C
V
DD
A
V
O
t
d(INTnN INTN)
002aab177
002aab176
V
C
50 pF
DD
L
P
R
500
L
o
50 %
70 %
30 %
of the pulse generator.
© NXP B.V. 2009. All rights reserved.
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