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IS31CS8974-QFLS2-TR - Lumissil Microsystems

Description: MCU with 2KB SRAM and 32Kx16 ECC E-Flash, QFN-24 (4mm x 4mm)

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IS31CS8974-QFLS2-TR - Lumissil Microsystems  - 3D model
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IS31CS8974-QFLS2-TR Details

  • Manufacturer Part Number:

    IS31CS8974-QFLS2-TR

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    QFN-24

  • Country Of Origin:

    Taiwan

  • HTS Code:

    8542.31.00.15

  • Factory Lead Time:

    26 Weeks

  • Manufacturer:

    Lumissil Microsystems

  • YTEOL:

    0

  • Has ADC:

    NO

  • Bit Size:

    8

  • Boundary Scan:

    NO

  • CPU Family:

    8051

  • Clock Frequency-Max:

    0.128 MHz

  • DAC Channels:

    NO

  • DMA Channels:

    NO

  • Format:

    FIXED POINT

  • Integrated Cache:

    NO

  • JESD-30 Code:

    S-XQCC-N24

  • Length:

    4 mm

  • Low Power Mode:

    YES

  • Number of External Interrupts:

    20

  • Number of I/O Lines:

    20

  • Number of Serial I/Os:

    2

  • Number of Terminals:

    24

  • Number of Timers:

    6

  • On Chip Data RAM Width:

    8

  • On Chip Program ROM Width:

    16

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • PWM Channels:

    YES

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC24,.16SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • RAM (bytes):

    2048

  • ROM (words):

    32768

  • ROM Programmability:

    FLASH

  • Seated Height-Max:

    0.9 mm

  • Speed:

    16 MHz

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    2.5 V

  • Supply Voltage-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    4 mm

  • uPs/uCs/Peripheral ICs Type:

    MICROCONTROLLER

IS31CS8974-QFLS2-TR Frequently Asked Questions (FAQs)

  • The recommended PCB layout for optimal thermal performance involves placing thermal vias under the IC, using a solid ground plane, and keeping the thermal traces as short and wide as possible. A 4-layer PCB with a dedicated thermal layer is also recommended.
  • To ensure reliable operation in high-temperature environments, it's essential to follow the recommended operating conditions, use a suitable thermal interface material, and implement a robust thermal management system. Additionally, consider using a heat sink or a fan to dissipate heat.
  • The maximum allowable voltage on the input pins is 5.5V, which is the absolute maximum rating. However, it's recommended to keep the input voltage within the recommended operating range of 4.5V to 5.5V to ensure reliable operation.
  • To troubleshoot issues with the device not turning on, check the power supply voltage, ensure that the enable pin is properly connected, and verify that the input voltage is within the recommended range. Also, check for any short circuits or damage to the device or PCB.
  • The recommended ESD protection for the device involves using a human body model (HBM) of 2kV and a machine model (MM) of 200V. It's also recommended to use ESD protection devices such as TVS diodes or ESD arrays on the input lines.

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IS31CS8974-QFLS2-TR Overview

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