PCA9554PW datasheet(3/20 Pages) PHILIPS

Part #	PCA9554PW

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

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Manufacturer	PHILIPS [NXP Semiconductors]

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Philips Semiconductors

Product data sheet

PCA9554/PCA9554A

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

2004 Sep 30

3

PIN CONFIGURATION — 16-pin DIP, SO, SSOP,

TSSOP

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

su01410

A0

A1

A2

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 — 16-pin DIP, SO, SSOP, TSSOP

PIN CONFIGURATION — 20-pin SSOP

1

2

3

4

5

6

7

8

9

11

12

13

14

15

16

17

18

19

20

INT

SCL

n.c.

SDA

VDD

A0

A1

n.c.

A2

I/O0

I/O7

I/O6

n.c.

I/O5

I/O4

VSS

I/O3

I/O2

n.c.

I/O1

10

SW02269

Figure 1. Pin configuration — 20-pin SSOP

PIN CONFIGURATION — HVQFN

12

11

10

9

1

2

3

4

su01670

TOP VIEW

A2

I/O0

I/O1

I/O2

I/O3

I/O4

VSS

I/O5

INT

I/O6

I/O7

SDA

VDD

A0

A1

SCL

Figure 2. Pin Configuration — HVQFN

PIN DESCRIPTION

DIP16, SO16, SSOP16,

TSSOP16

PIN NUMBER

HVQFN16

PIN NUMBER

SSOP20

PIN NUMBER

SYMBOL

FUNCTION

1

15

6

A0

Address input 0

2

16

7

A1

Address input 1

3

1

9

A2

Address input 2

4–7

2–5

10–12, 14

I/O0 to I/O3

8

6

15

VSS

Supply ground

9

7–10

16, 17, 19, 20

I/O4 to I/O7

13

11

1

INT

Interrupt output (open drain)

14

12

2

SCL

Serial clock line

15

13

4

SDA

Serial data line

16

14

5

VDD

Supply voltage

–

3, 8, 13, 18

n.c.

not connected

Similar Part No. - PCA9554PW

Manufacturer	Part #	Datasheet	Description
NXP Semiconductors	PCA9554PW	187Kb / 30P	8-bit I2C-bus and SMBus I/O port with interrupt Rev. 07-13 November 2006
Texas Instruments	PCA9554PW	933Kb / 36P	[Old version datasheet] REMOTE 8-BIT I2C AND SMBus I/O EXPANDER WITH INTERRUPT OUTPUT AND CONFIGURATION REGISTERS
NXP Semiconductors	PCA9554PW	590Kb / 35P	8-bit I2C-bus and SMBus I/O port with interrupt Rev. 9-19 March 2013
Texas Instruments	PCA9554PW	768Kb / 34P	[Old version datasheet] SMBus I/O Expander With Interrupt Output
NXP Semiconductors	PCA9554PW,112	590Kb / 35P	8-bit I2C-bus and SMBus I/O port with interrupt Rev. 9-19 March 2013

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