PCA9505 View Datasheet(PDF) - NXP Semiconductors.

Part Name

Description

Manufacturer

PCA9505

40-bit I2C-bus I/O port with RESET, OE and INT

NXP Semiconductors. 

NXP Semiconductors

PCA9505/06

40-bit I2C-bus I/O port with RESET, OE and INT

terminal 1

index area

IO0_4 1

IO0_5 2

IO0_6 3

VSS 4

IO0_7 5

IO1_0 6

IO1_1 7

IO1_2 8

IO1_3 9

IO1_4 10

VDD 11

IO1_5 12

IO1_6 13

IO1_7 14

PCA9506BS

42 IO4_3

41 IO4_2

40 IO4_1

39 VDD

38 IO4_0

37 IO3_7

36 IO3_6

35 IO3_5

34 IO3_4

33 IO3_3

32 VSS

31 IO3_2

30 IO3_1

29 IO3_0

Transparent top view

Fig 4. Pin configuration for HVQFN56

002aab975

6.2 Pin description

Table 2. Pin description

Symbol

Pin

TSSOP56

SDA

1

SCL

2

IO0_0 to IO0_7 3, 4, 5, 7, 8, 9,

10, 12

IO1_0 to IO1_7 13, 14, 15, 16,

17, 19, 20, 21

IO2_0 to IO2_7 22, 24, 25, 26,

31, 32, 33, 35

IO3_0 to IO3_7 36, 37, 38, 40,

41, 42, 43, 44

IO4_0 to IO4_7 45, 47, 48, 49,

50, 52, 53, 54

VSS

6, 11, 23, 34,

39, 51

VDD

18, 46

A0

27

A1

28

A2

29

Type

HVQFN56

50

I/O

51

I

52, 53, 54, 56, 1, I/O

2, 3, 5

6, 7, 8, 9, 10, 12, I/O

13, 14

15, 17, 18, 19, I/O

24, 25, 26, 28

29, 30, 31, 33, I/O

34, 35, 36, 37

38, 40, 41, 42, I/O

43, 45, 46, 47

4, 16, 27, 32, 44, power

55[1]

supply

11, 39

power

supply

20

I

21

I

22

I

Description

serial data line

serial clock line

input/output bank 0

input/output bank 1

input/output bank 2

input/output bank 3

input/output bank 4

ground supply voltage

supply voltage

address input 0

address input 1

address input 2

PCA9505_9506_3

Product data sheet

Rev. 03 — 6 June 2007

© NXP B.V. 2007. All rights reserved.

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