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© Koninklijke Philips Electronics N.V. 2005. All rights reserved.

Product data sheet

Rev. 01 — 15 August 2005

9 of 23

Philips Semiconductors

PCA9511A

Remark: The PCA9511A can be used in any combination depending on the number of rise time accelerators that are

needed by the system. Normally only one PCA9511A would be required per bus.

Fig 7.

Hot swapping multiple I/O cards into a backplane using the PCA9511A in a cPCI, VME, and AdvancedTCA

system

002aab584

R4

10 k

Ω

C1

0.01

µF

SDAOUT

SCLOUT

READY

GND

R5

10 k

Ω

R6

10 k

Ω

R3

10 k

Ω

ENABLE

SDAIN

SCLIN

POWER SUPPLY

HOT SWAP

CARD1_SDA

CARD1_SCL

I/O PERIPHERAL CARD 1

BACKPLANE

CONNECTOR

R8

10 k

Ω

C3

0.01

µF

SDAOUT

SCLOUT

READY

GND

R9

10 k

Ω

R10

10 k

Ω

R7

10 k

Ω

ENABLE

SDAIN

SCLIN

POWER SUPPLY

HOT SWAP

CARD2_SDA

CARD2_SCL

I/O PERIPHERAL CARD 2

R12

10 k

Ω

C5

0.01

µF

SDAOUT

SCLOUT

READY

GND

R13

10 k

Ω

R14

10 k

Ω

R11

10 k

Ω

ENABLE

SDAIN

SCLIN

POWER SUPPLY

HOT SWAP

CARDN_SDA

CARDN_SCL

I/O PERIPHERAL CARD N

R2

10 k

Ω

R1

10 k

Ω

BACKPLANE

BD_SEL

SDA

SCL