PCA9517A

All information provided in this document is subject to legal disclaimers.

© NXP B.V. 2012. All rights reserved.

Product data sheet

Rev. 4 — 9 May 2012

8 of 22

NXP Semiconductors

PCA9517A

Remark: Figure 9 and Figure 10 reference Figure 8 and assume master on Bus B side and slave

on Bus A side.

Fig 8.

Typical application of PCA9517A driving a short cable

Fig 9.

Bus A (0.9 V to 5.5 V bus) waveform

Fig 10. Bus B (2.7 V to 5.5 V) waveform

002aad644

SDAA

SDAB

SCLA

SCLB

10 k

Ω

10 k

Ω

RPU

GND

75

Ω

75

Ω

RPU

10 k

Ω

(optional)

MASTER

OR

SLAVE

CARD 1

CARD 2

EN

002aac775

9th clock pulse

acknowledge

SCL

SDA

002aad471

9th clock pulse

acknowledge

SCL

SDA