7427 Triple 3-Input NOR Gate IC DIP-14, photo 2

7427 Triple 3-Input NOR Gate IC DIP-14, photo 3

7427 Triple 3-Input NOR Gate IC DIP-14

Part number 7427

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7427 Triple 3-Input NOR Gate IC DIP-14
Makers Electronics
checked 28 days ago
EGP 17
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7427 - Triple 3-Input NOR Gate
RAM Electronics
checked 12 days ago
EGP 20
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7427 Triple 3-input NOR Gate IC (7427 IC) DIP-14 Package
Micro Ohm
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EGP 25
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FromMakers ElectronicsMicro Ohm

From Makers Electronics's description

7427 Triple 3-Input NOR Gate IC DIP-14 The 7427 Triple 3-Input NOR Gate IC is a high-speed TTL logic device that contains three independent NOR gates, each with three inputs. It performs the logical NOR function, outputting a LOW signal only when any input is HIGH. Designed for reliable digital logic operations, the 7427 offers fast switching speeds and stable performance across a wide range of temperatures. Packaged in a 14-pin DIP, it is ideal for use in combinational logic circuits, signal processing, and general-purpose digital systems. Features Three independent 3-input NOR gates in one IC. High-speed TTL logic operation. Performs standard NOR logic function. Wide operating voltage range: 4.75V to 5.25V. Low power consumption and fast switching. Compatible with all TTL and CMOS logic families. High noise immunity for reliable performance. Standard 14-pin Dual Inline Package (DIP-14). Suitable for cascading and complex logic designs. Operating temperature range: 0°C to +70°C. Pinout Configuration Pin # Type Description 1 Input Input to the first NOR gate. 2 Input Input to the first NOR gate. 3 Input Input to the second NOR gate. 4 Input Input to the second NOR gate. 5 Input Input to the second NOR gate. 6 Output Output from the second NOR gate. 7 Power Connect to ground (GND). 8 Output Output from the third NOR gate. 9 Input Input to the third NOR gate. 10 Input Input to the third NOR gate. 11 Input Input to the third NOR gate. 12 Output Output from the first NOR gate. 13 Input Input to the first NOR gate. 14 Power Positive power supply (VCC). Connect to +5V power. What does the 74HC27 / 74LS27 do? The 74×27 gives you three 3-input NOR gates. A NOR gate is a logic gate that outputs 1 (HIGH) if all of its inputs are 0 (LOW). Therefore, if you input a HIGH in any of the inputs, the output will become LOW. Otherwise, the output will be HIGH. 3-input NOR gate symbol Truth Table for the 3-input NOR gate Input A Input B Input C Output Q 0 0 0 1 0 0 1 0 0 1 0 0 0 1 1 0 1 0 0 0 1 0 1 0 1 1 0 0 1 1 1 0 Specifications Parameter Description IC Type Triple 3-Input NOR Gate Logic Family TTL Datasheet 7427 Number of Gates 3 Inputs per Gate 3 Logic Function NOR (NOT-OR) Operating Voltage (Vcc) 4.75V – 5.25V Input High Voltage (VIH) (min) 2.0V Input Low Voltage (VIL) (max) 0.8V Output High Voltage (VOH) (min) 2.7V Output Low Voltage (VOL) (max) 0.4V Propagation Delay (typ) 15 nsec Power Dissipation 10 mW per gate Operating Temperature Range 0°C to +70°C Package Type DIP-14 Mounting Type Through Hole Pin Count 14 Pins Technology TTL – Transistor-Transistor Logic How To Use This Chip The 74HC27 comes in a 14-pin package, and you need to connect it to power before you can use it. Most 7400 ICs support a VCC voltage of 5V. One difference between the HC and LS version of the chip is that the 74HC27 supports 2V to 6V, while the 74LS27 only supports 5V. The maximum current you can pull out of one output pin is 4 mA when the pin is high (sourcing) or 16 mA when the pin is low (sinking). This can differ between models, so check the datasheet of your model to verify. Once you’ve connected it to power, you can use any of the three 3-input NOR gates inside. The 74HC27/74LS27 IC connected to power Applications Digital logic and control circuits. Combinational logic design and implementation. Signal inversion and logic level control. Data processing and timing circuits. Logic decoders and encoders. Arithmetic and logic unit (ALU) designs. Digital system design and testing. Interface and control modules in embedded systems. Package Contents 1 x 7427 Triple 3-Input NOR Gate IC DIP-14 Datasheet 7427

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7427 Triple 3-Input NOR Gate IC DIP-14

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