8-bit I2C-Bus and SMBus I/O Port with Interrupt, PI4IOE5V9554 Replace NXP PCA9554.
PI4IOE5V9554 PI4IOE5V9554.pdf
FEATURES

• Operation Power Supply Voltage from 2.3V to 5.5 V

• 8-bit I2
C-bus GPIO with Interrupt and Reset
 5V Tolerant I/Os
 Polarity Inversion Register
 Active LOW Interrupt Output
 Low Current Consumption
 0Hz to 400KHz Clock Frequency
 Noise Filter on SCL/SDA Inputs
 Power-on Reset
 ESD Protection (4KV HBM and 1KV CDM)
 Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
 Halogen and Antimony Free. “Green” Device (Note 3)
 For automotive applications requiring specific change
  control
• Offered in Three Different Packages:
  TSSOP-16 and TQFN 3x3-16


PIN CONFIGUTION
优势替代
NXP PCA9554 NXP PCA9554.pdf

No.14259

FEATURES

• 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 frequency
 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 
  (2 versions:4*4*0.85 mm and 3*3*0.85 mm), and bare die

PIN CONFIGUTION
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