PCAL6408AHK

8-bit I2C-bus/SMBus I/O expander, 100 / 400 kHz (standard / fast-mode), interrupt output, 1.65 - 5.5V supply, X1QFN-16

Schematic Symbol

Pin Configuration (16 pins)

Pin	Name	Type
1	~{RESET}	input
2	P0	bidirectional
3	P1	bidirectional
4	P2	bidirectional
5	P3	bidirectional
6	V_{SS}	power_in
7	P4	bidirectional
8	P5	bidirectional
9	P6	bidirectional
10	P7	bidirectional
11	~{INT}	open_collector
12	SCL	input
13	SDA	bidirectional
14	V_{DD(P)}	power_in
15	V_{DD(I2C)}	power_in
16	ADDR	input

Footprint

Confirmed

Package_DFN_QFN/UQFN-16_1.8x2.6mm_P0.4mm

Pad Layout

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

Pads (16)

Number	Type
1	smd
2	smd
3	smd
4	smd
5	smd
6	smd
7	smd
8	smd
9	smd
10	smd
11	smd
12	smd
13	smd
14	smd
15	smd
16	smd

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