PCA9555APW,118 NXP Semiconductors, PCA9555APW,118 Datasheet - Page 4

• Manufacturer Part Number: PCA9555APW,118
• Description: Interface - I/O Expanders 16b I2C BUS INTERUPT
• Manufacturer: NXP Semiconductors

Specifications of PCA9555APW,118

• Rohs: yes
• Maximum Operating Frequency: 100 kHz
• Operating Supply Voltage: 1.65 V to 5.5 V
• Operating Temperature Range: - 40 C to + 85 C
• Mounting Style: SMD/SMT
• Package / Case: TSSOP-24
• Operating Current: 160 mA
• Output Current: 25 mA
• Power Dissipation: 200 mW
• Product Type: I/O Expanders
• Factory Pack Quantity: 2500

NXP Semiconductors
PCA9555A
Product data sheet
5.2 Pin description
Table 3.
[1]
[2]
[3]
Symbol
A1
A2
P0_0
P0_1
P0_2
P0_3
P0_4
P0_5
P0_6
P0_7
V
P1_0
P1_1
P1_2
P1_3
P1_4
P1_5
P1_6
P1_7
A0
SCL
SDA
V
INT
SS
DD
HWQFN24 package die supply ground is connected to both V
be connected to supply ground for proper device operation. For enhanced thermal, electrical, and board
level performance, the exposed pad needs to be soldered to the board using a corresponding thermal pad
on the board and for proper heat conduction through the board, thermal vias need to be incorporated in the
PCB in the thermal pad region.
Pins P0_0 to P0_7 correspond to bits P0.0 to P0.7. At power-up, all I/O are configured as high-impedance
inputs.
Pins P1_0 to P1_7 correspond to bits P1.0 to P1.7. At power-up, all I/O are configured as high-impedance
inputs.
[2]
[2]
[2]
[2]
[2]
[2]
[2]
[2]
[3]
[3]
[3]
[3]
[3]
[3]
[3]
[3]
Pin
TSSOP24
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Pin description
All information provided in this document is subject to legal disclaimers.
Low-voltage 16-bit I
Rev. 1 — 11 September 2012
23
24
HWQFN24
22
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
[1]
Type
O
I
I
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
power
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I
I
I/O
power
2
C-bus I/O port with interrupt and weak pull-up
Description
Interrupt output. Connect to V
pull-up resistor.
Address input 1. Connect directly to V
Address input 2. Connect directly to V
Port 0 input/output 0.
Port 0 input/output 1.
Port 0 input/output 2.
Port 0 input/output 3.
Port 0 input/output 4.
Port 0 input/output 5.
Port 0 input/output 6.
Port 0 input/output 7.
Ground.
Port 1 input/output 0.
Port 1 input/output 1.
Port 1 input/output 2.
Port 1 input/output 3.
Port 1 input/output 4.
Port 1 input/output 5.
Port 1 input/output 6.
Port 1 input/output 7.
Address input 0. Connect directly to V
Serial clock bus. Connect to V
pull-up resistor.
Serial data bus. Connect to V
pull-up resistor.
Supply voltage.
SS
pin and exposed center pad. V
PCA9555A
© NXP B.V. 2012. All rights reserved.
DD
DD
DD
through a
through a
through a
DD
DD
DD
SS
or V
or V
or V
pin must
4 of 39
SS
SS
SS
.
.
.