74HC02DTR2G
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onsemi 74HC02DTR2G

Manufacturer No:
74HC02DTR2G
Manufacturer:
onsemi
Package:
Tape & Reel (TR)
Description:
IC GATE NOR 4CH 2-INP 14TSSOP
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The 74HC02DTR2G is a quad 2-input NOR gate integrated circuit produced by onsemi. Although this specific model is now obsolete and no longer manufactured, it was widely used for its high-speed CMOS logic capabilities. The device was fabricated with silicon gate CMOS technology, offering high-speed operation similar to Bipolar Schottky TTL while maintaining low power dissipation characteristic of CMOS devices.

Key Specifications

Parameter Value Unit
VCC (DC Supply Voltage) 2.0 to 6.0 V
VIN (DC Input Voltage) −0.5 to +6.5 V
VOUT (DC Output Voltage) −0.5 to VCC + 0.5 V
IIN (DC Input Current, per Pin) ±20 mA
IOUT (DC Output Current, Per Pin) ±25 mA
ICC (DC Supply Current, VCC and GND Pins) ±50 mA
tPLH, tPHL (Propagation Delay) 3.6 ns (typ.) at VCC = 5 V, CL = 15 pF ns
TSTG (Storage Temperature Range) −65 to +150 °C
TJ (Junction Temperature Under Bias) +150 °C

Key Features

  • High-Speed Operation: The 74HC02DTR2G achieves high-speed operation with a propagation delay of 3.6 ns (typ.) at VCC = 5 V and CL = 15 pF.
  • Low Power Dissipation: It features low power dissipation, with a maximum DC supply current of 2 μA at TA = 25°C.
  • Input Protection: The device includes an input protection circuit that allows input voltages from 0 V to 5.5 V without regard to the supply voltage, preventing device destruction due to mismatched supply and input voltages.
  • Compatibility: It can be used to interface 5 V to 3 V systems and two supply systems such as battery backup.
  • Noise Immunity: The internal circuit includes buffer output stages that provide high noise immunity and stable output.

Applications

The 74HC02DTR2G is suitable for a variety of applications requiring high-speed logic operations with low power consumption. These include:

  • Interface circuits between 5 V and 3 V systems.
  • Battery backup systems.
  • High-speed digital logic circuits.
  • General-purpose logic applications where low power and high speed are critical.

Q & A

  1. What is the 74HC02DTR2G?

    The 74HC02DTR2G is a quad 2-input NOR gate integrated circuit produced by onsemi.

  2. Why is the 74HC02DTR2G obsolete?

    The 74HC02DTR2G is no longer manufactured and has been replaced by other models or substitutes.

  3. What is the typical propagation delay of the 74HC02DTR2G?

    The typical propagation delay is 3.6 ns at VCC = 5 V and CL = 15 pF.

  4. What is the maximum DC supply current of the 74HC02DTR2G?

    The maximum DC supply current is 2 μA at TA = 25°C.

  5. Can the 74HC02DTR2G be used in battery backup systems?

    Yes, it can be used in battery backup systems and other two-supply systems.

  6. What is the input protection feature of the 74HC02DTR2G?

    The device includes an input protection circuit that allows input voltages from 0 V to 5.5 V without regard to the supply voltage.

  7. What is the storage temperature range of the 74HC02DTR2G?

    The storage temperature range is −65 to +150°C.

  8. What is the junction temperature under bias for the 74HC02DTR2G?

    The junction temperature under bias is +150°C.

  9. Can unused inputs of the 74HC02DTR2G float?

    No, unused inputs must be held HIGH or LOW; they may not float.

  10. What are some common applications of the 74HC02DTR2G?

    Common applications include interface circuits between 5 V and 3 V systems, battery backup systems, and high-speed digital logic circuits.

Product Attributes

Logic Type:NOR Gate
Number of Circuits:4
Number of Inputs:2
Features:- 
Voltage - Supply:2V ~ 6V
Current - Quiescent (Max):2 µA
Current - Output High, Low:5.2mA, 5.2mA
Logic Level - Low:0.5V ~ 1.8V
Logic Level - High:1.5V ~ 4.2V
Max Propagation Delay @ V, Max CL:13ns @ 6V, 50pF
Operating Temperature:-55°C ~ 125°C
Mounting Type:Surface Mount
Supplier Device Package:14-TSSOP
Package / Case:14-TSSOP (0.173", 4.40mm Width)
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In Stock

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Same Series
74HC02DTR2G
74HC02DTR2G
IC GATE NOR 4CH 2-INP 14TSSOP

Similar Products

Part Number 74HC02DTR2G 74HC04DTR2G 74HC08DTR2G 74HC00DTR2G 74HC02DR2G
Manufacturer onsemi onsemi onsemi onsemi onsemi
Product Status Obsolete Obsolete Obsolete Obsolete Obsolete
Logic Type NOR Gate Inverter AND Gate NAND Gate NOR Gate
Number of Circuits 4 6 4 4 4
Number of Inputs 2 1 2 2 2
Features - - - - -
Voltage - Supply 2V ~ 6V 2V ~ 6V 2V ~ 6V 2V ~ 6V 2V ~ 6V
Current - Quiescent (Max) 2 µA 2 µA 2 µA 2 µA 2 µA
Current - Output High, Low 5.2mA, 5.2mA 5.2mA, 5.2mA 5.2mA, 5.2mA 5.2mA, 5.2mA 5.2mA, 5.2mA
Logic Level - Low 0.5V ~ 1.8V 0.5V ~ 1.8V 0.5V ~ 1.8V 0.5V ~ 1.8V 0.5V ~ 1.8V
Logic Level - High 1.5V ~ 4.2V 1.5V ~ 4.2V 1.5V ~ 4.2V 1.5V ~ 4.2V 1.5V ~ 4.2V
Max Propagation Delay @ V, Max CL 13ns @ 6V, 50pF 13ns @ 6V, 50pF 13ns @ 6V, 50pF 13ns @ 6V, 50pF 13ns @ 6V, 50pF
Operating Temperature -55°C ~ 125°C -55°C ~ 125°C -55°C ~ 125°C -55°C ~ 125°C -55°C ~ 125°C
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Supplier Device Package 14-TSSOP 14-TSSOP 14-TSSOP 14-TSSOP 14-SOIC
Package / Case 14-TSSOP (0.173", 4.40mm Width) 14-TSSOP (0.173", 4.40mm Width) 14-TSSOP (0.173", 4.40mm Width) 14-TSSOP (0.173", 4.40mm Width) 14-SOIC (0.154", 3.90mm Width)

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