PCA9509P

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© NXP B.V. 2012. All rights reserved.

Product data sheet

Rev. 1 — 14 August 2012

13 of 23

NXP Semiconductors

PCA9509P

(1) Slew rate of falling signal, port B

(2) Slew rate of rising signal, port B

(3) Slew rate of falling signal, port A

(4) Slew rate of rising signal, port A

Fig 12. Typical slew rate versus ambient temperature

Fig 13. Typical propagation delay versus port A

supply voltage

(1) Slew rate of falling signal, port B

(2) Slew rate of rising signal, port B

(3) Slew rate of falling signal, port A

(4) Slew rate of rising signal, port A

Fig 14. Typical port B LOW to HIGH propagation delay

versus port A supply voltage

Fig 15. Typical slew rate versus port A supply voltage

0.02

0.04

0.06

SR

(V/ns)

0

−50

125

002aag183

100

75

50

25

0

−25

(1)

(2)

(3)

(4)

70

150

190

time

(ns)

0.8

1.5

0.9

002aag184

1.0

1.2

1.3

1.4

1.1

110

(1)

(2)

(3)

(4)

−112

−108

(ns)

0.8

1.5

0.9

002aag191

1.0

1.2

1.3

1.4

1.1

−111

−110

−109

0

0.04

0.06

SR

(V/ns)

0.8

1.5

0.9

002aag192

1.0

1.2

1.3

1.4

1.1

0.02

(1)

(2)

(3)

(4)