Low-Voltage Translating 24-bit I2C-Bus I/O Expander, PI4IOE5V6524 Replace TCA6424.
PI4IOE5V6524 PI4IOE5V6524.pdf
FEATURES

• Operatingpower supply voltage range of0.V to 3.6V on 

  the I2C bus side

• Allows bidirectional voltage-level translation and GPIO

  expansion between:

  0.8V to 3.6V SCL/SDA and 1.8/2.5/3.3/5.5V Port

•  Low standby current consumption:

  2uA typical at 3.3V Voop)

 •  5.5V tolerant I/O ports and 3.6V tolerant PC-bus pins

•  1MHz Fast-mode Plus FC-bus interface

•  Compliant with the PC-bus Fast-mode plus, Fast-mode 

  and Standard mode

•  I/O Features

  Output port configuration: bank selectable or pin 

  sekctable push-pull or open-drain output stages

  Interrupt status: read-only register identifies the 

  source of an interrupt

•  I/O programming features:

  Output drive strength: four programmable drive strengths

  to reduce rise and falltimes in low-capacitance applications

  Input latch:InputPort registervalues changesarekept

  until the Input Port registeris read

  Pull-up/pu-downenable:oating inputorpull-up/pull-down 

  resistor enable

  Pull-up/pull-down selection: 100 kohm pull-up/pull-down

  resistor selection

  Interrupt mask:mask prevents the generation of the

  interrupt when input changes state to prevent spurious

  interrupts

  Interrupt edge specificationonabit-by-bit basis

  Interrupt individual clear without disturbing other events

  Read all interrupt events without clear

  Switch debounce hardware

  General call software reset

  PC software Device ID function

•  Power-on reset

• Active LOW open-drain interrupt output (INT)

• Active LOW reset input(RESET)

• Latch-up tested (exceeds 100mA)

• Latched Outputs for Directly Driving LEDs

• Totally Lead-Free & Fully RoHS Compliant (Notes 1&2)

• Halogen and Antimony Free."Green" Device (Note 3)

• For automotive applictionsrequiringspecicchangecontrole.

  parts qualified to AEC-Q100/i01104200,PPAP capable, and

  manufactured inIATF16949 certified facilities), pleasecontact 

  us or your local Diodes representative.

•  Packaging (Pb-free & Green): 32-Pin TQFN 5x5mm

PIN CONFIGUTION
CROSS
TCA6424 TCA6424.pdf

No.14270

FEATURES

• Operating power-supply voltage range of 1.65 V to

  5.5 V
• Allows bidirectional voltage-level translation and
  GPIO expansion between:
  – 1.8-V SCL/SDA and 1.8-V, 2.5-V, 3.3-V, or 5-V P Port
  – 2.5-V SCL/SDA and 1.8-V, 2.5-V, 3.3-V, or 5-V P Port
  – 3.3-V SCL/SDA and 1.8-V, 2.5-V, 3.3-V, or 5-V P Port
  – 5-V SCL/SDA and 1.8-V, 2.5-V, 3.3-V, or 5-V P Port
• I2C to Parallel port expander
• Low standby current consumption of 1 μA
• Schmitt-Trigger action allows slow input transition
  and better switching noise immunity at the SCL
  and SDA inputs
  – Vhys = 0.18 V Typ at 1.8 V
  – Vhys = 0.25 V Typ at 2.5 V
  – Vhys = 0.33 V Typ at 3.3 V
  – Vhys = 0.5 V Typ at 5 V
• 5-V Tolerant I/O ports
• Active-low reset input ( RESET)
• Open-drain active-low interrupt output ( INT)
• 400-kHz Fast I2C Bus
• Input/output configuration register
• Polarity inversion register
• Internal power-on reset
• Power up with all channels configured as inputs
• No glitch on power up
• Noise filter on SCL/SDA inputs
• Latched outputs with high-current drive maximum
  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)












PIN CONFIGUTION
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