SN7437N

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SN7437N

  • Manufacturer
  • Mfr. Part #SN7437N
  • Package PDIP-14
  • Datasheet
  • In Stock4534

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Specifications

Series SN7437
Mounting Style SMD/SMT
Brand Texas Instruments
Product Type Logic Gates
Subcategory Logic ICs
Logic Family 7400
Supply Voltage - Min 4.75 V
Supply Voltage - Max 5.25 V
Maximum Operating Temperature + 70 C
Operating Supply Voltage 5 V
Unit Weight 1 g
Logic Type Bipolar
Function NAND
High Level Output Current - 1.2 mA
Low Level Output Current 48 mA
Propagation Delay Time 22 ns
Minimum Operating Temperature 0 C
Height 4.57 mm
Length 19.3 mm
Width 6.35 mm
Product Single-Function Gates
Number of Input Lines 2 Input
Number of Output Lines 1 Output
Logic Function NAND
Number of Gates 4 Gate
Package/Case PDIP-14

Overview

Description

The SN7437N is a part of the 7400 series of integrated circuits, which are commonly used in digital logic applications. Specifically, it is a quad 2-input positive-NAND gate IC. This means it contains four independent NAND gates, each with two inputs. A NAND gate is a fundamental digital logic gate that produces an output which is false only if all its inputs are true; otherwise, it produces a true output.
The "SN7437N" designation refers to the Texas Instruments variant of the 7437 series, which typically features open-collector outputs. Open-collector outputs are useful in applications where you need to connect multiple outputs to a single line or need to interface with different voltage levels. The "N" at the end of the part number typically denotes a plastic DIP (Dual Inline Package).
Operating from a typical supply voltage of 5V, the SN7437N is used in a variety of logic circuit designs. Its robust design, industry-standard pin configuration, and ease of use make it popular in educational settings and practical applications involving digital logic.

Features

The SN7437N is a quad 2-input NAND gate integrated circuit, part of the 7400 series of TTL logic devices. Key features include:
1. Logic Type: NAND Gate
2. Number of Gates: 4
3. Number of Inputs per Gate: 2
4. Technology: TTL (Transistor-Transistor Logic)
5. Package Type: Dual In-line Package (DIP)
6. Supply Voltage: Typically operates at 5V, with a range of 4.75V to 5.25V.
7. Propagation Delay: Typical propagation delay is around 10 ns.
8. Power Consumption: Low power consumption typical of TTL devices.
9. Temperature Range: Usually operates within 0°C to 70°C for commercial versions.
10. Fan-Out: High fan-out capability, typically 10 standard TTL loads.
11. Current Drive Strength: Can source and sink up to 16 mA per output.
The SN7437N is used in various applications requiring logical operations, such as digital circuits, computing, control systems, and signal processing. Its reliability and ease of use make it a staple component in digital electronics.

Package

The SN7437N is a quad 2-input positive-NAND buffer/driver with open-collector outputs. It is typically housed in a Dual In-line Package (DIP) with 14 pins.

Pinout

The SN7437N is a quad 2-input positive NAND buffer gate IC, which means it contains four independent gates, each with two inputs. The IC is housed in a 14-pin dual in-line package (DIP).
Here's a concise breakdown of the pin configuration:
1. Pin 1 - Input A of Gate 1
2. Pin 2 - Input B of Gate 1
3. Pin 3 - Output Y of Gate 1
4. Pin 4 - Input A of Gate 2
5. Pin 5 - Input B of Gate 2
6. Pin 6 - Output Y of Gate 2
7. Pin 7 - Ground (GND)
8. Pin 8 - Output Y of Gate 3
9. Pin 9 - Input A of Gate 3
10. Pin 10 - Input B of Gate 3
11. Pin 11 - Output Y of Gate 4
12. Pin 12 - Input A of Gate 4
13. Pin 13 - Input B of Gate 4
14. Pin 14 - Positive supply voltage (VCC)
The SN7437N uses NAND logic where the output is low only when both inputs are high, otherwise the output is high.

Manufacturer

The SN7437N is a part of the 7400 series of integrated circuits, which are manufactured by multiple companies, including Texas Instruments (TI). Texas Instruments is a technology company that designs and manufactures semiconductors and various integrated circuits for electronics designers and manufacturers globally. It is well-known for its analog chips and embedded processors, which are used in a wide range of electronic devices and applications. Texas Instruments has established a significant presence in the semiconductor industry, providing a broad portfolio of products for diverse markets, such as automotive, industrial, personal electronics, communications equipment, and enterprise systems.

Application

The SN7437N is a quad 2-input positive NAND buffer/driver IC. It is commonly used in applications requiring high current drive capability, such as interfacing between TTL and high-speed MOS circuits, driving LED displays, logic level conversion, and signal buffering. Its robust performance and high noise immunity make it suitable for use in digital circuits, communication systems, and various control systems.

Equivalent

The SN7437N chip, a quad 2-input positive NAND gate with open-collector outputs, has several equivalent products. These include the NTE7437, and the CD74HCT37E. When selecting an equivalent, ensure it matches the electrical specifications and operating temperature range of the SN7437N to ensure compatibility in your application.

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