9534 datasheet(3/17 Pages) PHILIPS

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Philips Semiconductors

Product data sheet

PCA9534

8-bit I2C and SMBus low power I/O port with interrupt

2004 Sep 30

PIN CONFIGURATION — SO, TSSOP

su01410

I/O0

I/O1

I/O2

I/O3

VSS

VDD

SDA

SCL

INT

I/O7

I/O6

I/O5

I/O4

Figure 1. Pin configuration — SO, TSSOP

PIN CONFIGURATION — HVQFN

su01670

TOP VIEW

I/O0

I/O1

I/O2

I/O3

I/O4

VSS

I/O5

INT

I/O6

I/O7

SDA

VDD

SCL

Figure 2. Pin Configuration — HVQFN

PIN DESCRIPTION

PIN NUMBER

SYMBOL

FUNCTION

SO, TSSOP

HVQFN

SYMBOL

FUNCTION

Address input 0

Address input 1

Address input 2

4–7

2–5

I/O0 to I/O3

VSS

Supply ground

9–12

7–10

I/O4 to I/O7

INT

Interrupt output (open drain)

SCL

Serial clock line

SDA

Serial data line

VDD

Supply voltage

BLOCK DIAGRAM

POWER-ON

RESET

INPUT

FILTER

I2C/SMBUS

CONTROL

INPUT/

OUTPUT

PORTS

WRITE pulse

READ pulse

SCL

SDA

VDD

VSS

8-BIT

I/O0

I/O1

I/O2

I/O3

I/O4

I/O5

I/O6

I/O7

SU01783

NOTE: ALL I/Os ARE SET TO INPUTS AT RESET

VCC

INT

FILTER

PCA9534

Figure 3. Block diagram

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