PCA9545AD,112 NXP Semiconductors, PCA9545AD,112 Datasheet - Page 19

• Manufacturer Part Number: PCA9545AD,112
• Description: IC I2C SWITCH 4CH 20SOIC
• Manufacturer: NXP Semiconductors

Specifications of PCA9545AD,112

• 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 935275808112; PCA9545AD; PCA9545AD

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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