PCA9519 View Datasheet(PDF) - NXP Semiconductors.
Part Name
Description
MFG CO.
'PCA9519' PDF : 18 Pages View PDF
NXP Semiconductors
PCA9519
4-channel level translating I2C-bus/SMBus repeater
10.1 AC waveforms
input
output
0.5VCC(B)
tPHL
0.5VCC(B)
tPLH
VCC(B)
0.1 V
70 %
0.5VCC(A) 0.5VCC(A)
30 %
30 %
tTHL
70 %
VCC(A)
tTLH
VOL
002aab646
Fig 7. Propagation delay and transition times;
port B to port A
input
output
0.5VCC(A)
0.5VCC(A)
VCC(A)
tPHL
tPLH
70 %
0.5VCC(B) 0.5VCC(B)
30 %
30 %
tTHL
70 %
VCC(B)
tTLH
002aab647
Fig 8. Propagation delay and transition times;
port A to port B
input
port A
50 % of initial value
output
port B
0.5VCC(B)
tPLH2
002aab648
Fig 9. Propagation delay from port A’s external driver switching off to the port B LOW-to-HIGH transition;
port A to port B
11. Test information
VCC(B)
VCC(A)VCC(B)
RL
PULSE
VI
GENERATOR
VO
DUT
RT
CL
002aab649
RL = load resistor; 1.35 k on port B
CL = load capacitance includes jig and probe capacitance; 50 pF
RT = termination resistance should be equal to Zo of pulse generators
Fig 10. Test circuit for open-drain outputs
PCA9519
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 10 January 2013
© NXP B.V. 2013. All rights reserved.
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