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SN74LS170N - Texas Instruments

Description: Registers 4-By-4 Register Files With Open-Collector Outputs 16-PDIP 0 to 70

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SN74LS170N - Texas Instruments - PCB symbol
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PCB Footprints
SN74LS170N - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T)
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SN74LS170N - Texas Instruments - 3D model - Dual-In-Line Packages - N (R-PDIP-T)
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SN74LS170N Details

  • Manufacturer Part Number:

    SN74LS170N

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    DIP

  • Package Description:

    DIP-16

  • Pin Count:

    16

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Count Direction:

    RIGHT

  • Family:

    LS

  • JESD-30 Code:

    R-PDIP-T16

  • Length:

    19.305 mm

  • Load Capacitance (CL):

    15 pF

  • Logic IC Type:

    PARALLEL IN PARALLEL OUT

  • Number of Bits:

    4

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    70 °C

  • Output Characteristics:

    OPEN COLLECTOR

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP16,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Power Supply Current-Max (ICC):

    40 mA

  • Propagation Delay (tpd):

    45 ns

  • Seated Height-Max:

    5.08 mm

  • Supply Voltage-Max (Vsup):

    5.25 V

  • Supply Voltage-Min (Vsup):

    4.75 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    NO

  • Technology:

    TTL

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

SN74LS170N Frequently Asked Questions (FAQs)

  • The maximum clock frequency of the SN74LS170N is typically around 30-40 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 at higher frequencies.
  • To ensure proper power supply and decoupling, it's recommended to use a high-quality power supply with low noise and ripple, and to decouple the device with 0.1 μF to 1 μF ceramic capacitors between VCC and GND, as close to the device as possible. Additionally, it's a good practice to use a 10 μF to 100 μF electrolytic capacitor in parallel with the ceramic capacitors to filter out low-frequency noise.
  • The recommended operating temperature range for the SN74LS170N is 0°C to 70°C. However, the device can operate up to 85°C with reduced performance and reliability. It's essential to ensure that the device is operated within the recommended temperature range to maintain its performance and lifespan.
  • The asynchronous clear input (CLR) in the SN74LS170N is an active-low input that resets the counter to zero when it's pulled low. To handle the CLR input, it's recommended to use a pull-up resistor to ensure that the input is not floating, and to use a debouncing circuit or a Schmitt trigger to ensure clean and glitch-free transitions.
  • The maximum input voltage that the SN74LS170N can handle is 5.5V. Exceeding this voltage can cause damage to the device or affect its performance. It's essential to ensure that the input voltage is within the recommended range to maintain the device's reliability and performance.

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SN74LS170N Overview

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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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