SN74128N The Texas Instruments SN74128N is a TTL NOR Gate featuring 4 independent circuits, each with 2 inputs. It operates within a voltage range of 4.75V to 5.25V.
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SN74128N

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Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments SN74128N is a TTL NOR Gate featuring 4 independent circuits, each with 2 inputs. It operates within a voltage range of 4.75V to 5.25V.
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$ Price Range: $2.11

SN74128N Available from 3 distributors

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SN74128N Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Data Rate
Input Logic Level
Logic Type
Max Propagation Delay @ V, Max CL
Mounting Type
Number of Circuits
Number of Inputs
Operating Temperature
Supplier Device Package
Supplier Package
Voltage

SN74128N Description

Short technical summary and product information.

The SN74128N from Texas Instruments is a TTL logic gate IC featuring four independent 2-input NOR gates. It performs the Boolean function Y = A + B or Y = A · B. This device is designed for high-speed applications, with a maximum propagation delay of 18ns at 5V and 150pF, and a maximum data rate of 70Mbps.

 

The SN74128N operates over a voltage range of 4.75V to 5.25V and is characterized for operation from 0°C to 70°C. The output current capabilities are 48mA (IOL max) and -42.4mA (IOH max). The input logic level is specified at 2V.

 

This component is available in a 14-pin PDIP package and is designed for through-hole mounting. The SN74128N is suitable for various digital logic applications requiring NOR gate functionality.

SN74128N Quick Information

Product Type: NOR Gate
Series: SN74
Canonical Name: SN74128N NOR Gate
Subcategory: NOR Gates

SN74128N Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

SN74128N Estimated Pricing

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1+ $2.11 $2.11

Estimated market price range - modelled values for guidance only, not live distributor offers.

SN74128N Features

  • Quad 2-input NOR gate configuration.
  • TTL technology for high-speed operation.
  • Wide operating voltage range of 4.75V to 5.25V.
  • Maximum data rate of 70Mbps.
  • Through-hole mounting in a 14-PDIP package.

SN74128N Applications

  • Digital logic circuit design.
  • Signal routing and control.
  • Implementing Boolean logic functions.
  • Interface and buffer applications.

SN74128N FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the SN74128N?

The SN74128N operates from 4.75V to 5.25V.

What package is the SN74128N available in?

The SN74128N is available in a 14-DIP (0.300", 7.62mm) package with through-hole mounting.

What is the operating temperature range of the SN74128N?

The SN74128N operates from 0°C to 70°C.

How many NOR gates are in the SN74128N?

It contains four independent 2-input NOR gates.

What is the maximum propagation delay of the SN74128N?

The maximum propagation delay is 18ns at 5V with a 150pF load.

What logic family does the SN74128N belong to?

It belongs to the TTL logic family.

What output current can the SN74128N handle?

The output current range is -42.4mA to 48mA.

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