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PCA9557PW - NXP

Description: IC,I/O PORT,8-BIT,CMOS,TSSOP,16PIN,PLASTIC

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PCB Footprints
PCA9557PW - NXP PCB footprint - Small Outline Packages - Small Outline Packages - SOT403-1
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3D Models
PCA9557PW - NXP  - 3D model - Small Outline Packages - SOT403-1
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PCA9557PW Details

  • Manufacturer Part Number:

    PCA9557PW

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Package Description:

    4.40 MM, PLASTIC, MO-153, SOT403-1, TSSOP-16

  • Pin Count:

    16

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    NXP Semiconductors

  • YTEOL:

    6.77

  • Clock Frequency-Max:

    0.4 MHz

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    5 mm

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    8

  • Number of I/O Lines:

    8

  • Number of Ports:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP16,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 mm

  • Supply Current-Max:

    85 mA

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    2.3 V

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    4.4 mm

  • uPs/uCs/Peripheral ICs Type:

    PARALLEL IO PORT, GENERAL PURPOSE

PCA9557PW Frequently Asked Questions (FAQs)

  • The PCA9557PW can support I2C bus frequencies up to 400 kHz, but it is recommended to operate at 100 kHz or lower for reliable operation.
  • If the PCA9557PW is not responding to I2C commands, try resetting the device by toggling the RESET pin low and then high. Also, check the I2C bus for any bus contention or noise issues.
  • Yes, the PCA9557PW can be used as a level translator between 3.3V and 5V systems. However, ensure that the VCC pin is connected to the higher voltage supply (5V) and the output pins are connected to the lower voltage system (3.3V).
  • The PCA9557PW can be configured to operate in a specific input/output mode by writing to the Configuration Register (Register 0x06). Refer to the datasheet for the specific bit settings required for each mode.
  • The PCA9557PW can sink/source up to 25 mA on its output pins. However, it is recommended to limit the current to 10 mA or less to ensure reliable operation.

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PCA9557PW Overview

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About NXP

NXP Semiconductors is a leading manufacturer of semiconductor devices with a wide range of semiconductor solutions, including microcontrollers, sensors, connectivity solutions, power management ICs, and security solutions. These products are used in a variety of applications such as automotive, industrial automation, smart homes, mobile devices, and more. NXP Semiconductors is one of the world’s largest semiconductor companies and is headquartered in Eindhoven, the Netherlands.

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