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DP8573AVX/NOPB - Texas Instruments

Description: Real Time Clock Parallel 32byte Clock/Calendar 28-Pin PLCC T/R

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DP8573AVX/NOPB - Texas Instruments - PCB symbol
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DP8573AVX/NOPB - Texas Instruments PCB footprint - Plastic Leaded Chip Carrier - Plastic Leaded Chip Carrier - 28-Lead Molded Plastic Leaded Chip Carrier
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DP8573AVX/NOPB Details

  • Manufacturer Part Number:

    DP8573AVX/NOPB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QLCC

  • Pin Count:

    28

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    PRESCALED XTAL OSCILLATOR OUTPUT FOR RTC; POWER FAIL I/P FOR BUS LOCK-OUT

  • Clock Frequency-Max:

    0.032 MHz

  • External Data Bus Width:

    8

  • Information Access Method:

    PARALLEL, DIRECT ADDRESS

  • Interrupt Capability:

    Y

  • JESD-30 Code:

    S-PQCC-J28

  • JESD-609 Code:

    e3

  • Length:

    11.51 mm

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    QCCJ

  • Package Equivalence Code:

    LDCC28,.5SQ

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER

  • Peak Reflow Temperature (Cel):

    245

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    4.57 mm

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    4.5 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    J BEND

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    QUAD

  • Time-Min:

    1/100 SECOND

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

    30

  • Volatile:

    YES

  • Width:

    11.51 mm

  • uPs/uCs/Peripheral ICs Type:

    TIMER, REAL TIME CLOCK

DP8573AVX/NOPB Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the DP8573AVX/NOPB datasheet, but it's essential to follow good PCB design practices, such as using a solid ground plane, minimizing trace lengths, and using bypass capacitors to ensure optimal performance.
  • The DP8573AVX/NOPB has a thermal pad on the bottom of the package, which should be connected to a solid ground plane or a thermal relief pattern on the PCB to dissipate heat. Additionally, ensure good airflow around the device and consider using a heat sink if necessary.
  • The recommended power-up sequence for the DP8573AVX/NOPB is to apply the analog power supply (VCC) before the digital power supply (VDD). This ensures that the internal analog circuits are powered up before the digital logic.
  • To troubleshoot I2C interface issues, check the I2C bus voltage levels, ensure correct pull-up resistor values, and verify that the I2C clock frequency is within the specified range. Also, use a logic analyzer or oscilloscope to monitor the I2C bus signals and identify any errors or anomalies.
  • The DP8573AVX/NOPB has an operating temperature range of -40°C to 85°C. However, it's essential to consider the device's thermal characteristics and ensure that the junction temperature (TJ) does not exceed 150°C during operation.

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DP8573AVX/NOPB Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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