PCA9555PW/DG,118 NXP Semiconductors, PCA9555PW/DG,118 Datasheet - Page 3
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PCA9555PW/DG,118
Manufacturer Part Number
PCA9555PW/DG,118
Description
IC I/O EXPANDER I2C 16B 24TSSOP
Manufacturer
NXP Semiconductors
Datasheet
1.PCA9555BS118.pdf
(34 pages)
Specifications of PCA9555PW/DG,118
Package / Case
24-TSSOP
Interface
I²C, SMBus
Number Of I /o
16
Interrupt Output
Yes
Frequency - Clock
400kHz
Voltage - Supply
2.3 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Includes
POR
Logic Family
SDA, SCL
Operating Supply Voltage
2.3 V to 5.5 V
Power Dissipation
200 mW
Operating Temperature Range
- 40 C to + 85 C
Logic Type
I2C Bus
Mounting Style
SMD/SMT
Output Current
+/- 50 mA
Output Voltage
4 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
935286939118
PCA9555PW/DG-T
PCA9555PW/DG-T
PCA9555PW/DG-T
PCA9555PW/DG-T
NXP Semiconductors
4. Block diagram
5. Pinning information
PCA9555_8
Product data sheet
5.1 Pinning
Fig 1.
Fig 2.
SDA
SCL
V
V
A0
A1
A2
DD
SS
IO0_0
IO0_1
IO0_2
IO0_3
IO0_4
IO0_5
IO0_6
IO0_7
V
INT
A1
A2
Remark: All I/Os are set to inputs at reset.
Block diagram of PCA9555
SS
Pin configuration for DIP24
10
11
12
1
2
3
4
5
6
7
8
9
PCA9555
PCA9555N
POWER-ON
Rev. 08 — 22 October 2009
RESET
FILTER
INPUT
002aac697
24
23
22
21
20
19
18
17
16
15
14
13
V
SDA
SCL
A0
IO1_7
IO1_6
IO1_5
IO1_4
IO1_3
IO1_2
IO1_1
IO1_0
DD
I
2
16-bit I
C-BUS/SMBus
CONTROL
2
Fig 3.
C-bus and SMBus I/O port with interrupt
IO0_0
IO0_1
IO0_2
IO0_3
IO0_4
IO0_5
IO0_6
IO0_7
write pulse
write pulse
read pulse
read pulse
V
INT
A1
A2
SS
8-bit
8-bit
Pin configuration for SO24
10
11
12
1
2
3
4
5
6
7
8
9
PCA9555D
OUTPUT
OUTPUT
PORTS
PORTS
INPUT/
INPUT/
LP filter
002aac702
002aac698
PCA9555
© NXP B.V. 2009. All rights reserved.
24
23
22
21
20
19
18
17
16
15
14
13
V
DD
V
SDA
SCL
A0
IO1_7
IO1_6
IO1_5
IO1_4
IO1_3
IO1_2
IO1_1
IO1_0
DD
IO1_0
IO1_2
IO0_0
IO0_2
IO1_1
IO1_3
IO1_4
IO1_5
IO1_6
IO1_7
IO0_1
IO0_3
IO0_4
IO0_5
IO0_6
IO0_7
INT
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