M74HC74B1R
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STMicroelectronics M74HC74B1R

Manufacturer No:
M74HC74B1R
Manufacturer:
STMicroelectronics
Package:
Tube
Description:
IC FF D-TYPE DUAL 1BIT 14DIP
Delivery:
Payment:
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Product Introduction

Overview

The M74HC74B1R is a dual D-type flip-flop integrated circuit produced by STMicroelectronics. This component belongs to the HC logic family and is designed for use in digital circuits that require data storage and sequential logic operations. Although the M74HC74B1R is currently obsolete and no longer manufactured, it remains relevant for legacy systems and educational purposes.

Key Specifications

ParameterValue
Logic TypeD-Type Flip-Flop
Logic FamilyHC
Number of Circuits2
Output TypeDifferential
Package / CaseDIP-14
Input TypeSingle-Ended
Number Of Elements2
Number Of Bits Per Element1
Set and ResetPreset and Clear

Key Features

  • Dual D-type flip-flop with preset and clear functions, allowing for flexible control over the flip-flop states.
  • Differential output, which can be useful in noise-sensitive applications.
  • HC logic family, known for its high noise immunity and low power consumption.
  • Single-ended input type, simplifying the connection to other digital components.

Applications

The M74HC74B1R is suitable for various digital circuit applications, including:

  • Sequential logic circuits: It can be used in counters, shift registers, and other sequential logic circuits.
  • Data storage: The flip-flop can store binary data, making it useful in memory circuits.
  • Control circuits: The preset and clear functions make it ideal for control circuits that require specific state management.

Q & A

  1. What is the logic type of the M74HC74B1R? The M74HC74B1R is a D-type flip-flop.
  2. Which logic family does the M74HC74B1R belong to? It belongs to the HC logic family.
  3. How many circuits are included in the M74HC74B1R? It includes 2 circuits.
  4. What is the output type of the M74HC74B1R? The output type is differential.
  5. What is the package type of the M74HC74B1R? The package type is DIP-14.
  6. Is the M74HC74B1R still in production? No, the M74HC74B1R is obsolete and no longer manufactured.
  7. What are the preset and clear functions used for in the M74HC74B1R? These functions allow for setting and resetting the flip-flop states.
  8. What are some common applications of the M74HC74B1R? It is used in sequential logic circuits, data storage, and control circuits.
  9. Why is the HC logic family preferred in some applications? The HC logic family is preferred for its high noise immunity and low power consumption.
  10. What is the significance of differential output in the M74HC74B1R? Differential output can be useful in noise-sensitive applications.

Product Attributes

Function:Set(Preset) and Reset
Type:D-Type
Output Type:Complementary
Number of Elements:2
Number of Bits per Element:1
Clock Frequency:67 MHz
Max Propagation Delay @ V, Max CL:26ns @ 6V, 50pF
Trigger Type:Positive Edge
Current - Output High, Low:5.2mA, 5.2mA
Voltage - Supply:2V ~ 6V
Current - Quiescent (Iq):2 µA
Input Capacitance:5 pF
Operating Temperature:-55°C ~ 125°C (TA)
Mounting Type:Through Hole
Supplier Device Package:14-DIP
Package / Case:14-DIP (0.300", 7.62mm)
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Similar Products

Part Number M74HC74B1R M74HCT74B1R M74HC76B1R M74HC174B1R M74HC374B1R M74HC574B1R M74HC73B1R
Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Product Status Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete Obsolete
Function Set(Preset) and Reset Set(Preset) and Reset Set(Preset) and Reset Master Reset Standard Standard Set(Preset) and Reset
Type D-Type D-Type JK Type D-Type D-Type D-Type JK Type
Output Type Complementary Complementary Complementary Non-Inverted Tri-State, Non-Inverted Tri-State, Non-Inverted Complementary
Number of Elements 2 2 2 1 1 1 2
Number of Bits per Element 1 1 1 6 8 8 1
Clock Frequency 67 MHz 48 MHz 67 MHz 66 MHz 90 MHz 90 MHz 80 MHz
Max Propagation Delay @ V, Max CL 26ns @ 6V, 50pF 33ns @ 4.5V, 50pF 21ns @ 6V, 50pF 23ns @ 6V, 50pF 32ns @ 6V, 150pF 32ns @ 6V, 150pF 21ns @ 6V, 50pF
Trigger Type Positive Edge Positive Edge Negative Edge Positive Edge Positive Edge Positive Edge Negative Edge
Current - Output High, Low 5.2mA, 5.2mA 4mA, 4mA 5.2mA, 5.2mA 5.2mA, 5.2mA 7.8mA, 7.8mA 7.8mA, 7.8mA 5.2mA, 5.2mA
Voltage - Supply 2V ~ 6V 4.5V ~ 5.5V 2V ~ 6V 2V ~ 6V 2V ~ 6V 2V ~ 6V 2V ~ 6V
Current - Quiescent (Iq) 2 µA 2 µA 2 µA 4 µA 4 µA 4 µA 2 µA
Input Capacitance 5 pF 5 pF 5 pF 5 pF 5 pF 5 pF 5 pF
Operating Temperature -55°C ~ 125°C (TA) -55°C ~ 125°C (TA) -55°C ~ 125°C (TA) -55°C ~ 125°C (TA) -55°C ~ 125°C (TA) -55°C ~ 125°C (TA) -55°C ~ 125°C (TA)
Mounting Type Through Hole Through Hole Through Hole Through Hole Through Hole Through Hole Through Hole
Supplier Device Package 14-DIP 14-DIP 16-DIP 16-DIP 20-DIP 20-DIP 14-DIP
Package / Case 14-DIP (0.300", 7.62mm) 14-DIP (0.300", 7.62mm) 16-DIP (0.300", 7.62mm) 16-DIP (0.300", 7.62mm) 20-DIP (0.300", 7.62mm) 20-DIP (0.300", 7.62mm) 14-DIP (0.300", 7.62mm)

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