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SN74HC393PWT - Texas Instruments

Description: Texas Instruments SN74HC393PWT, 4-stage, Binary Counter, Up Counter, 2 → 6 V, 14-Pin TSSOP

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SN74HC393PWT - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - PW (R-PDSO-G14)
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SN74HC393PWT Details

  • Manufacturer Part Number:

    SN74HC393PWT

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TSSOP

  • Pin Count:

    14

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Count Direction:

    UP

  • Family:

    HC/UH

  • JESD-30 Code:

    R-PDSO-G14

  • JESD-609 Code:

    e4

  • Length:

    5 mm

  • Load Capacitance (CL):

    50 pF

  • Load/Preset Input:

    NO

  • Logic IC Type:

    BINARY COUNTER

  • Max Frequency@Nom-Sup:

    25000000 Hz

  • Max I(ol):

    0.0052 A

  • Mode of Operation:

    ASYNCHRONOUS

  • Moisture Sensitivity Level:

    1

  • Number of Bits:

    4

  • Number of Functions:

    2

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSSOP14,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    0.08 mA

  • Prop. Delay@Nom-Sup:

    72 ns

  • Propagation Delay (tpd):

    360 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):

    5 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

  • Trigger Type:

    NEGATIVE EDGE

  • Width:

    4.4 mm

  • fmax-Min:

    28 MHz

SN74HC393PWT Frequently Asked Questions (FAQs)

  • The maximum clock frequency of the SN74HC393PWT is 40 MHz, but it can vary depending on the operating voltage and load capacitance. It's recommended to check the timing characteristics in the datasheet for specific frequency limits.
  • To ensure proper reset, the reset input (R) should be held low for at least 2 clock cycles. Additionally, the reset input should be synchronized with the clock signal to avoid metastability issues.
  • A simple power-on reset circuit can be implemented using a resistor, capacitor, and diode. The capacitor should be connected between the VCC pin and the reset input (R), with the resistor in series. The diode should be connected between the reset input and ground to discharge the capacitor quickly.
  • Yes, the SN74HC393PWT can be used as a frequency divider. By connecting the Q3 output to the clock input, the device can be configured as a divide-by-8 counter. However, the maximum clock frequency should be limited to ensure proper operation.
  • The asynchronous reset input (R) should be synchronized with the clock signal to avoid metastability issues. This can be done using a flip-flop or a synchronizer circuit to ensure that the reset signal is aligned with the clock edge.

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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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