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 Datasheet/PDF |
Quantity: | 1000 |
1 +: | 0.00000 |
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 |
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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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