PCA9545APW Datasheet, PDF (18/27 Pages) NXP Semiconductors – 4-channel I2C switch with interrupt logic and reset

Philips Semiconductors
PCA9545A
4-channel I²C switch with interrupt logic and reset
70 %
SCL
2
1
0
A
P
30 %
SDA
INPUT
t_{v(INTnN−INTN)}
INT
Fig 18. Expanded view of read input port register
13. Test information
50 %
t_{d(INTnN−INTN)}
002aab176
V_DD
PULSE
GENERATOR
V_DD
V_I
V_O
D.U.T.
R_T
R_L
500 Ω
C_L
50 pF
002aab177
Definitions test circuit:
R_L = Load resistance.
C_L = Load capacitance including jig and probe capacitance.
R_T = Termination resistance should be equal to the output impedance Z_o of the pulse
generator.
Fig 19. Test circuitry for switching times
9397 750 14311
Product data sheet
Rev. 03 — 3 March 2005
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
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