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SN74AS373N - Texas Instruments

Description: Texas Instruments SN74AS373N, Octal D Type Latch, Transparent, 3 State, 4.5 → 5.5 V, 20-Pin PDIP

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SN74AS373N - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T20)
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SN74AS373N - Texas Instruments  - 3D model - Dual-In-Line Packages - N (R-PDIP-T20)
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SN74AS373N Details

  • Manufacturer Part Number:

    SN74AS373N

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    20

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Control Type:

    ENABLE LOW

  • Count Direction:

    UNIDIRECTIONAL

  • Family:

    AS

  • JESD-30 Code:

    R-PDIP-T20

  • JESD-609 Code:

    e4

  • Length:

    25.4 mm

  • Load Capacitance (CL):

    50 pF

  • Logic IC Type:

    BUS DRIVER

  • Max I(ol):

    0.048 A

  • Number of Bits:

    8

  • Number of Functions:

    8

  • Number of Ports:

    2

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    70 °C

  • Output Characteristics:

    3-STATE

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP20,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Packing Method:

    TUBE

  • Power Supply Current-Max (ICC):

    100 mA

  • Prop. Delay@Nom-Sup:

    6 ns

  • Propagation Delay (tpd):

    11.5 ns

  • Qualification Status:

    Not Qualified

  • Screening Level:

    AEC-Q100; MIL-PRF-38535

  • Seated Height-Max:

    5.08 mm

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    NO

  • Technology:

    TTL

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

SN74AS373N Frequently Asked Questions (FAQs)

  • The maximum clock frequency of the SN74AS373N is 100 MHz, but it can vary depending on the operating conditions and the quality of the clock signal.
  • To ensure proper power and decoupling, use a high-quality power supply with a low impedance output, and decouple the VCC pin with a 0.1 μF ceramic capacitor to GND. Additionally, use a 10 μF electrolytic capacitor in parallel with the 0.1 μF capacitor to filter out low-frequency noise.
  • The recommended termination scheme for the SN74AS373N is to use a series terminator (e.g., 33 Ω) at the far end of the transmission line, and a parallel terminator (e.g., 50 Ω) at the near end. This helps to reduce signal reflections and improve signal integrity.
  • Yes, the SN74AS373N is compatible with 3.3V systems, but it requires a 5V supply voltage. You can use a voltage regulator or a level translator to convert the 3.3V signal to 5V for the SN74AS373N.
  • The asynchronous clear (CLR) input should be tied to VCC through a pull-up resistor (e.g., 1 kΩ) to ensure that it is not floating. This input should only be asserted low to clear the latch, and should not be left floating or tied to GND.

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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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