PCA9554 PCA9554A 2 8-bit I C-bus and SMBus I/O port with interrupt Rev. 10 8 November 2017 Product data sheet 1. General description The PCA9554 and PCA9554A are 16-pin CMOS devices that provide 8 bits of General 2 Purpose parallel Input/Output (GPIO) expansion for I C-bus/SMBus applications and 2 were developed to enhance the NXP Semiconductors family of I C-bus I/O expanders. The improvements include higher drive capability, 5 V I/O tolerance, lower supply current, individual I/O configuration, 400 kHz clock frequency, and smaller packaging. I/O expanders provide a simple solution when additional I/O is needed for ACPI power switches, sensors, push buttons, LEDs, fans, and so on. The PCA9554/PCA9554A consist of an 8-bit Configuration register (Input or Output selection) 8-bit Input Port register, 8-bit Output Port register and an 8-bit Polarity Inversion register (active HIGH or active LOW operation). The system master can enable the I/Os as either inputs or outputs by writing to the I/O configuration bits. The data for each input or output is kept in the corresponding Input Port or Output Port register. The polarity of the read register can be inverted with the Polarity Inversion register. All 2 registers can be read by the system master. Although pin-to-pin and I C-bus address compatible with the PCF8574 series, software changes are required due to the enhancements and are discussed in Application Note AN469. The PCA9554/PCA9554A open-drain interrupt output is activated when any input state differs from its corresponding Input Port register state and is used to indicate to the system master that an input state has changed. The power-on reset sets the registers to their default values and initializes the device state machine. 2 Three hardware pins (A0, A1, A2) vary the fixed I C-bus address and allow up to eight 2 devices to share the same I C-bus/SMBus. The PCA9554A is identical to the PCA9554 2 except that the fixed I C-bus address is different allowing up to sixteen of these devices 2 (eight of each) on the same I C-bus/SMBus. 2. Features and benefits Operating power supply voltage range of 2.3 V to 5.5 V 5 V tolerant I/Os Polarity Inversion register Active LOW interrupt output Low standby current Noise filter on SCL/SDA inputs No glitch on power-up Internal power-on reset 8 I/O pins which default to 8 inputs 0 Hz to 400 kHz clock frequencyPCA9554 PCA9554A NXP Semiconductors 2 8-bit I C-bus and SMBus I/O port with interrupt ESD protection exceeds 2000 V HBM per JESD22-A114 and 1000 V CDM per JESD22-C101 Latch-up testing is done to JEDEC Standard JESD78 which exceeds 100 mA AEC-Q100 compliance available Packages offered: SO16, SSOP16, SSOP20, TSSOP16, HVQFN16(2versions: 4 4 0.85 mm and 3 3 0.85 mm), and bare die 3. Ordering information Table 1. Ordering information Type number Topside Package marking Name Description Version PCA9554D PCA9554D SO16 plastic small outline package 16 leads SOT162-1 body width 7.5 mm PCA9554AD PCA9554AD PCA9554DB 9554DB SSOP16 plastic shrink small outline package 16 leads SOT338-1 body width 5.3 mm PCA9554ADB 9554A PCA9554TS PCA9554 SSOP20 plastic shrink small outline package 20 leads SOT266-1 body width 4.4 mm PCA9554ATS PA9554A PCA9554PW 9554DH TSSOP16 plastic thin shrink small outline package 16 leads SOT403-1 body width 4.4 mm 1 PCA9554PW/Q900 9554DH PCA9554APW 9554ADH PCA9554BS 9554 HVQFN16 plastic thermal enhanced very thin quad flat package SOT629-1 no leads 16 terminals body 4 4 0.85 mm PCA9554ABS 554A PCA9554BS3 P54 HVQFN16 plastic thermal enhanced very thin quad flat package SOT758-1 no leads 16 terminals body 3 3 0.85 mm PCA9554ABS3 54A PCA9554U - bare die - - 1 PCA9554PW/Q900 is AEC-Q100 compliant. Contact i2c.support nxp.com for PPAP. 3.1 Ordering options Table 2. Ordering options Type number Orderable Package Packing method Minimum Temperature part number order quantity PCA9554D PCA9554D,112 SO16 Standard marking * 1920 T = 40 Cto+85 C amb ICs tube - DSC bulk pack PCA9554D,118 SO16 Reel 13 Q1/T1 1000 T = 40 Cto+85 C amb *standard mark SMD PCA9554AD PCA9554AD,112 SO16 Standard marking * 1920 T = 40 Cto+85 C amb ICs tube - DSC bulk pack PCA9554AD,118 SO16 Reel 13 Q1/T1 1000 T = 40 Cto+85 C amb *standard mark SMD PCA9554DB PCA9554DB,112 SSOP16 Standard marking * 1092 T = 40 Cto+85 C amb ICs tube - DSC bulk pack PCA9554DB,118 SSOP16 Reel 13 Q1/T1 2000 T = 40 Cto+85 C amb *standard mark SMD PCA9554 9554A All information provided in this document is subject to legal disclaimers. NXP Semiconductors N.V. 2017. All rights reserved. Product data sheet Rev. 10 8 November 2017 2 of 35