PCA9501 查看數據表（PDF） - Philips Electronics

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PCA9501

8-bit I2C and SMBus I/O port with interrupt, 2-kbit EEPROM and 6 address pins

Philips Electronics 

Philips Semiconductors

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

2-kbit EEPROM and 6 address pins

Product data

PCA9501

PIN CONFIGURATION - SO, TSSOP

A0 1

A1 2

A2 3

I/O0 4

I/O1 5

I/O2 6

I/O3 7

INT 8

A5 9

VSS 10

PCA9501

20 VDD

19 SDA

18 SCL

17 WC

16 I/O7

15 I/O6

14 I/O5

13 I/O4

12 A3

11 A4

SW00903

Figure 1. Pin configuration - SO, TSSOP

PIN DESCRIPTION

PIN NUMBER

SO, TSSOP

HVQFN

1, 2, 3, 9, 11, 12

19, 20, 1, 7, 9, 10

4, 5, 6, 7

2, 3, 4, 5

8

6

10

8

13, 14, 15, 16

11, 12, 13, 14

17

15

18

16

19

17

20

18

SYMBOL

A0-5

I/O0-3

INT

VSS

I/O4-7

WC

SCL

SDA

VDD

PIN CONFIGURATION - HVQFN

A1 A0 VDD SDA SCL

A2 1

I/O0 2

I/O1 3

I/O2 4

I/O3 5

15 WC

14 I/O7

13 I/O6

12 I/O5

11 I/O4

INT A5 VSS A4 A3

TOP VIEW

SW02017

Figure 2. Pin configuration - HVQFN

NAME AND FUNCTION

Address lines (internal pull-up)

Quasi-bidirectional I/O pins

Active low interrupt output (open drain)

Supply ground

Quasi-bidirectional I/O pins

Active low write control pin

I2C serial clock

I2C serial data

Supply voltage

2003 Sep 12

3

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