M74HC109M1R Allicdata Electronics
Allicdata Part #:

497-1758-5-ND

Manufacturer Part#:

M74HC109M1R

Price: $ 0.00
Product Category:

Integrated Circuits (ICs)

Manufacturer: STMicroelectronics
Short Description: IC FF JK TYPE DUAL 1BIT 16SOP
More Detail: N/A
DataSheet: M74HC109M1R datasheetM74HC109M1R Datasheet/PDF
Quantity: 1000
1 +: 0.00000
Stock 1000Can Ship Immediately
$ 0
Specifications
Max Propagation Delay @ V, Max CL: 26ns @ 6V, 50pF
Base Part Number: 74HC109
Package / Case: 16-SOIC (0.154", 3.90mm Width)
Mounting Type: Surface Mount
Operating Temperature: -55°C ~ 125°C (TA)
Input Capacitance: 5pF
Current - Quiescent (Iq): 2µA
Voltage - Supply: 2 V ~ 6 V
Current - Output High, Low: 5.2mA, 5.2mA
Trigger Type: Positive Edge
Series: 74HC
Clock Frequency: 67MHz
Number of Bits per Element: 1
Number of Elements: 2
Output Type: Differential
Type: JK Type
Function: Set(Preset) and Reset
Part Status: Obsolete
Packaging: Tube 
Description

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Logic - Flip Flops: M74HC109M1R application field and working principle

Flip-flops are a group of digital logic circuits used for data storage and synchronizing signals. They are the most fundamental elements for digital logic gates and other complex circuits. The M74HC109M1R is a bistable flip-flop circuit, widely used in digital logic circuits.

Application field

M74HC109M1R is widely used in digital applications such as data storage, memory controlling and signal synchronization. As its power requirement is low, it is widely used in battery operated devices. It is used in the following applications:

  • Voltage threshold logic L / S
  • Shift registers, for data transmission / reception
  • Oscillators, for clock and timing signals
  • Adders, for digital checksum calculations
  • Counters and frequency dividers, for digital frequency dividing andgeneration of regular pulses

Working principle

The working principle of the M74HC109M1R is based on static asynchronous bistable circuit with two states of operation. It is composed of two NOR gates and an inverter with feedback. When the power supply is connected, the output Y is set to ‘1’ and the output Z is set to ‘0’. And the output remains in these states until the input signals are changed.

When the input A and B are both logically ‘1’, the inverter will be triggered, and the outputs Y and Z will be reversed. Thus the circuit is said to flip-flop and change its states. If both of the inputs A and B are ‘0’, the outputs will remain in their existing states.

The M74HC109M1R is a bistable circuit, meaning it has two stable states for logic ‘0’ or ‘1’, that it is capable of retaining its output until it is triggered again. Consequently, it is ideal as a memory device as it can be used to store information.

Conclusion

The M74HC109M1R is a versatile bistable flip-flop circuit, highly applicable in digital electronics, from data storage to signal synchronization. With its low power requirement, it is widely the preferred choice for battery-powered devices.

The specific data is subject to PDF, and the above content is for reference

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