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ICM7555CBAZ - Renesas Electronics

Description: The ICM7555 and ICM7556 are CMOS RC timers providing significantly improved performance over the standard SE/NE 555/556 and 355 timers, while at the same time being direct replacements for those devices in most applications. Improved parameters include low supply current, wide operating supply voltage range, low Threshold, Trigger and Reset currents, no crowbarring of the supply current during output transitions, higher frequency performance and no requirement to decouple Control Voltage for stable operatio

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Symbol
ICM7555CBAZ - Renesas Electronics - PCB symbol
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PCB Footprints
ICM7555CBAZ - Renesas Electronics PCB footprint - Small Outline Packages - Small Outline Packages - M8-15
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3D Models
ICM7555CBAZ - Renesas Electronics - 3D model - Small Outline Packages - M8-15
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ICM7555CBAZ Details

  • Manufacturer Part Number:

    ICM7555CBAZ

  • Brand Name:

    Renesas

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOICN

  • Package Description:

    SOIC-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    M8.15

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    12 Weeks

  • Manufacturer:

    Renesas Electronics Corporation

  • YTEOL:

    5

  • Analog IC - Other Type:

    SQUARE

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    70 °C

  • Output Frequency-Max:

    1 MHz

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Voltage-Max (Vsup):

    18 V

  • Supply Voltage-Min (Vsup):

    2 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

ICM7555CBAZ Frequently Asked Questions (FAQs)

  • A simple RC circuit with a 10kΩ resistor and a 10μF capacitor can be used to provide a power-on reset signal to the ICM7555CBAZ. This ensures that the timer starts in a known state after power-up.
  • To ensure that the ICM7555CBAZ oscillates at the desired frequency, use a high-quality capacitor with low equivalent series resistance (ESR) and a suitable resistor value. The datasheet provides a formula to calculate the resistor value based on the desired frequency and capacitor value.
  • The ICM7555CBAZ can operate up to 1 MHz, but the maximum frequency is dependent on the specific application and the values of the external components used. It's recommended to consult the datasheet and application notes for more information.
  • Yes, the ICM7555CBAZ can be used as a VCO by applying a control voltage to the threshold pin (pin 6). The frequency of oscillation will vary in response to changes in the control voltage.
  • To minimize the effects of noise and interference, use a decoupling capacitor (e.g., 0.1 μF) between the VCC pin and ground, and keep the timer IC away from high-current or high-frequency circuits. Additionally, use a shielded cable or a twisted pair for the timing capacitor to reduce electromagnetic interference (EMI).

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ICM7555CBAZ Overview

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