MCP23009 Microchip Technology Inc., MCP23009 Datasheet - Page 2

• Manufacturer Part Number: MCP23009
• Description: 8-bit I/o Expander With Open-drain Outputs
• Manufacturer: Microchip Technology Inc.

MCP23009/MCP23S09
Package Types:
Package Types:
DS22121A-page 2
RESET
ADDR
GP0
GP1
INT
V
SDA
SCL
N/C
DD
RESET
GP0
INT
V
SCK
DD
CS
NC
SO
SI
1
2
3
4
5
6
7
8
9
PDIP/SOIC
1
2
3
4
5
6
7
8
9
PDIP/SOIC
18
17
16
15
14
13
12
11
10
RESET
18
17
16
15
14
13
12
11
10
V
NC
NC
GP7
GP6
GP5
GP4
GP3
GP2
ADDR
SDA
SS
GP0
GP1
V
SCL
NC
NC
INT
DD
V
NC
GP7
GP6
GP5
GP4
GP3
GP2
GP1
SS
1
2
3
4
5
6
7
8
9
10
MCP23009
SSOP
MCP23S09
20
19
18
17
16
15
14
13
12
11
V
NC
NC
GP7
GP6
GP5
GP4
GP3
GP2
NC
SS
V
V
SCL
NC
SS
DD
V
V
SCK
CS
DD
SS
1
2
3
4
1
2
3
4
© 2008 Microchip Technology Inc.
QFN
EP
17
QFN
EP
17
12
11
10
9
12
11
10
GP3
GP2
GP1
GP0
9
GP3
GP2
GP1
GP0