English
Language : 

PCA9555 Datasheet, PDF (1/35 Pages) NXP Semiconductors – 16-bit I2C and SMBus I/O port with interrupt
www.ti.com
PCA9555
REMOTE 16-BIT I2C AND SMBus I/O EXPANDER
WITH INTERRUPT OUTPUT AND CONFIGURATION REGISTERS
SCPS131D – AUGUST 2005 – REVISED OCTOBER 2006
FEATURES
• Low Standby-Current Consumption of
1 µA Max
• I2C to Parallel Port Expander
• Open-Drain Active-Low Interrupt Output
• 5-V Tolerant I/O Ports
• Compatible With Most Microcontrollers
• 400-kHz Fast I2C Bus
• Address by Three Hardware Address Pins for
Use of up to Eight Devices
• Polarity Inversion Register
• Latched Outputs With High-Current Drive
Capability for Directly Driving LEDs
• Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
• ESD Protection Exceeds JESD 22
– 2000-V Human-Body Model (A114-A)
– 200-V Machine Model (A115-A)
– 1000-V Charged-Device Model (C101)
DB, DBQ, DGV, DW, OR PW PACKAGE
(TOP VIEW)
RGE PACKAGE
(TOP VIEW)
INT 1
A1 2
A2 3
P00 4
P01 5
P02 6
P03 7
P04 8
P05 9
P06 10
P07 11
GND 12
24 VCC
23 SDA
22 SCL
21 A0
20 P17
19 P16
18 P15
17 P14
16 P13
15 P12
14 P11
13 P10
24 23 22 21 20 19
P00 1
18 A0
P01 2
17 P17
P02 3
16 P16
P03 4
15 P15
P04 5
14 P14
P05 6
13 P13
7 8 9 10 11 12
DESCRIPTION/ORDERING INFORMATION
TA
–40°C to 85°C
SSOP – DB
QSOP – DBQ
TVSOP – DGV
SOIC – DW
TSSOP – PW
QFN – RGE
ORDERING INFORMATION
PACKAGE (1)
ORDERABLE PART NUMBER
Reel of 2000
PCA9555DBR
Tube of 60
PCA9555DB
Reel of 2500
PCA9555DBQR
PCA9555DBQRG4
Reel of 2000
PCA9555DGVR
Tube of 25
PCA9555DW
Reel of 2000
PCA9555DWR
Reel of 250
PCA9555DWT
Tube of 60
PCA9555PW
PCA9555PWE4
Reel of 2000
PCA9555PWR
PCA9555PWRE4
Reel of 250
PCA9555PWT
Reel of 3000
PCA9555RGER
TOP-SIDE MARKING
PD9555
PCA9555
PD9555
PCA9555
PD9555
PD9555
(1) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at
www.ti.com/sc/package.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2005–2006, Texas Instruments Incorporated