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SN74HC193NSR - Texas Instruments

Description: 4-Bit Synchronous Up/Down Counters (Dual Clock With Clear)

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SN74HC193NSR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - NS (R-PDSO-G16)
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SN74HC193NSR - Texas Instruments  - 3D model - Small Outline Packages - NS (R-PDSO-G16)
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SN74HC193NSR Details

  • Manufacturer Part Number:

    SN74HC193NSR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    16

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    SEPARATE UP/DOWN CLOCK

  • Count Direction:

    BIDIRECTIONAL

  • Family:

    HC/UH

  • JESD-30 Code:

    R-PDSO-G16

  • JESD-609 Code:

    e4

  • Length:

    10.2 mm

  • Load Capacitance (CL):

    50 pF

  • Load/Preset Input:

    YES

  • Logic IC Type:

    BINARY COUNTER

  • Max Frequency@Nom-Sup:

    17000000 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:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP16,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Power Supply Current-Max (ICC):

    0.08 mA

  • Prop. Delay@Nom-Sup:

    55 ns

  • Propagation Delay (tpd):

    315 ns

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    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:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Trigger Type:

    POSITIVE EDGE

  • Width:

    5.3 mm

  • fmax-Min:

    19 MHz

SN74HC193NSR Frequently Asked Questions (FAQs)

  • The maximum clock frequency of the SN74HC193NSR is 30 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 stable counter outputs during power-up, it's recommended to use a power-on reset (POR) circuit or a reset signal to initialize the counter to a known state. This can be done using an external reset signal or a POR circuit that generates a reset pulse during power-up.
  • Yes, the SN74HC193NSR can be used as a synchronous counter. The counter has a synchronous clock input (CLK) that allows it to count synchronously with the clock signal. However, it's essential to ensure that the clock signal meets the setup and hold time requirements specified in the datasheet.
  • Metastability issues can occur in the SN74HC193NSR when the clock signal is not properly synchronized with the counter inputs. To handle metastability issues, it's recommended to use a clock signal with a sufficient setup and hold time, and to ensure that the counter inputs are stable before the clock edge. Additionally, using a synchronizer circuit or a metastability resolver can help to mitigate metastability issues.
  • The recommended operating voltage range for the SN74HC193NSR is 2 V to 6 V. However, the device can operate at a voltage as low as 1.5 V, but with reduced performance and increased 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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