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CD74HC190PWR - Texas Instruments

Description: Counter ICs Hi-Sp CMOS Logic Pre Sync BCD Dec Up/Dwn

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CD74HC190PWR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PW0016A
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CD74HC190PWR - Texas Instruments  - 3D model - Small Outline Packages - PW0016A
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CD74HC190PWR Details

  • Manufacturer Part Number:

    CD74HC190PWR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Pin Count:

    16

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    RCO OUTPUT

  • Count Direction:

    BIDIRECTIONAL

  • Family:

    HC/UH

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    5 mm

  • Load Capacitance (CL):

    50 pF

  • Load/Preset Input:

    YES

  • Logic IC Type:

    DECADE COUNTER

  • Max Frequency@Nom-Sup:

    20000000 Hz

  • Max I(ol):

    0.0052 A

  • Mode of Operation:

    SYNCHRONOUS

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    4

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °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

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    0.08 mA

  • Prop. Delay@Nom-Sup:

    37 ns

  • Propagation Delay (tpd):

    255 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.2 mm

  • Supply Voltage-Max (Vsup):

    6 V

  • Supply Voltage-Min (Vsup):

    2 V

  • Supply Voltage-Nom (Vsup):

    4.5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    MILITARY

  • 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

  • Trigger Type:

    POSITIVE EDGE

  • Width:

    4.4 mm

  • fmax-Min:

    23 MHz

CD74HC190PWR Frequently Asked Questions (FAQs)

  • The maximum clock frequency for CD74HC190PWR is 25 MHz, but it can vary depending on the specific application and operating conditions. It's recommended to check the device's timing specifications and perform thorough testing to ensure reliable operation.
  • The asynchronous reset input (MR) should be asserted low to reset the counter. When MR is low, the counter is reset to zero, and all outputs are set to zero. It's essential to ensure that MR is synchronized with the clock signal to avoid metastability issues.
  • A simple POR circuit can be implemented using a resistor, capacitor, and diode. The capacitor should be connected between VCC and GND, and the resistor should be connected between VCC and the reset input (MR). The diode should be connected between the capacitor and the reset input to ensure a clean reset signal.
  • To ensure reliable operation in noisy environments, it's recommended to use proper decoupling capacitors, noise filtering, and shielding. Additionally, consider using a clock signal with a high slew rate and a low jitter to minimize the impact of noise on the counter's operation.
  • The maximum output current that can be sourced or sunk by CD74HC190PWR is 25 mA per output pin. However, it's recommended to limit the output current to 10 mA or less to ensure reliable operation and minimize power consumption.

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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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