PCA9554 查看數據表（PDF） - Philips Electronics

零件编号

产品描述 (功能)

生产厂家

PCA9554

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

Philips Electronics 

Philips Semiconductors

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

Product data sheet

PCA9554/PCA9554A

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

TSSOP

A0 1

A1 2

A2 3

I/O0 4

I/O1 5

I/O2 6

I/O3 7

VSS 8

16 VDD

15 SDA

14 SCL

13 INT

12 I/O7

11 I/O6

10 I/O5

9 I/O4

su01410

Figure 1. Pin configuration — 16-pin DIP, SO, SSOP, TSSOP

PIN CONFIGURATION — 20-pin SSOP

PIN CONFIGURATION — HVQFN

A1 A0 VDD SDA

A2 1

I/O0 2

I/O1 3

I/O2 4

12 SCL

11 INT

10 I/O7

9 I/O6

I/O3 VSS I/O4 I/O5

TOP VIEW

su01670

Figure 2. Pin Configuration — HVQFN

INT 1

SCL 2

n.c. 3

SDA 4

VDD 5

A0 6

A1 7

n.c. 8

A2 9

I/O0 10

20 I/O7

19 I/O6

18 n.c.

17 I/O5

16 I/O4

15 VSS

14 I/O3

13 n.c.

12 I/O2

11 I/O1

SW02269

Figure 1. Pin configuration — 20-pin SSOP

PIN DESCRIPTION

DIP16, SO16, SSOP16,

TSSOP16

PIN NUMBER

1

2

3

4–7

8

9

13

14

15

16

–

HVQFN16

PIN NUMBER

15

16

1

2–5

6

7–10

11

12

13

14

–

SSOP20

PIN NUMBER

6

7

9

10–12, 14

15

16, 17, 19, 20

1

2

4

5

3, 8, 13, 18

SYMBOL

A0

A1

A2

I/O0 to I/O3

VSS

I/O4 to I/O7

INT

SCL

SDA

VDD

n.c.

FUNCTION

Address input 0

Address input 1

Address input 2

I/O0 to I/O3

Supply ground

I/O4 to I/O7

Interrupt output (open drain)

Serial clock line

Serial data line

Supply voltage

not connected

2004 Sep 30

3

Share Link: