74HC540 Octal 3-state Inverting Buffer IC (74540 IC) DIP-20 Package


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SKU: 1090206
  1. IC Name: 74HC540
  2. Package/Case: DIP-20


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Category: Logic Gate ICs

74HC540 is a 20 Pin Octal 3-state Inverting Buffer IC having 2V to 6V Operating Voltage range with 6mA output current. The 3-STATE  buffers utilize advanced silicon-gate  CMOS  technology.  They possess  high  drive  current  outputs  which enable  high  speed operation  even  when  driving  large  bus  capacitances. These  circuits  achieve  speeds  comparable  to  low  power Schottky devices, while retaining the advantage of CMOS circuitry, i.e., high noise immunity, and low power consumption. Both devices have a fanout of 15 LS-TTL equivalent inputs. The  74HC540  is  an  inverting  buffer  and  the MM74HC541 is a non-inverting buffer. The 3-STATE control gate operates as a two-input NOR such that if either G1 or  G2  are  HIGH,  all  eight  outputs  are  in  the  high-impedance state.


  1. Product Images are shown for illustrative purposes only and may differ from the actual product.
  2. For Technical Specifications about the IC go through the Datasheet in the Attachment section.

Package Includes:

1 x 74HC540 Octal 3-state Inverting Buffer IC (74540 IC) DIP-20 Package

SKU: 1090206 Category:
Supply Voltage (V)

− 0.5 to +7

DC Input Voltage Range (V)

–0.5 to +0.5

DC Output Voltage (V)

−0.5 to +0.5

Input Clamping Current

±20 mA

Power dissipation Pd(mW)


Shipping Weight 0.001 kg
Shipping Dimensions 4 × 4 × 1 cm

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Questions and answers of the customers

    Is it "NC7SZ74K8X" ic 8 pin or "74HC540" ic ?
  1. 0 votes
    Q Is it "NC7SZ74K8X" ic 8 pin or "74HC540" ic ? answer now
    Asked by info on January 29, 2022 2:58 pm

    It is 74HC540 IC

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Country Of Origin: China