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Name: SN74HC74NG4
Brand: Texas Instruments
SKU: SN74HC74NG4
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments SN74HC74NG4

Part No.:: SN74HC74NG4

Manufacturer:: Texas Instruments

Package:: 14-PDIP

Datasheet:: SN74HC74NG4.pdf

Description:: IC FF D-TYPE DUAL 1BIT 14DIP

In Stock:: 2081

Quantity:: Add To Cart

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SN74HC74NG4 Specifications

Packaging:
Tube
Series:
74HC
ProductStatus:
Discontinued at Mosen
Function:
Set(Preset) and Reset
Type:
D-Type
OutputType:
Complementary
NumberofElements:
2
NumberofBitsperElement:
1
ClockFrequency:
60 MHz
MaxPropagationDelay@VMaxCL:
30ns @ 6V, 50pF
TriggerType:
Positive Edge
Current-OutputHighLow:
5.2mA, 5.2mA
Voltage-Supply:
2V ~ 6V
Current-Quiescent(Iq):
4 µA
InputCapacitance:
3 pF
OperatingTemperature:
-40°C ~ 85°C (TA)
MountingType:
Through Hole

SN74HC74NG4 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including SN74HC74NG4 price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for SN74HC74NG4 to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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SN74HC74NG4 information

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SN74HC74NG4 Typical application Circuitry

SN74HC74NG4

The SN74HC74NG4 is a dual positive-edge-triggered D-type flip-flop integrated circuit, part of the high-speed CMOS family. It's designed to store binary information and to change its output state based on the input of data, clock, set, and reset signals. This IC is commonly used in applications requiring data storage, signal synchronization, and state retention.

Functional Overview

The SN74HC74NG4 flip-flop holds binary data in memory cells. It has two flip-flops, each with separate data, set, reset, and clock inputs, and both Q and Q' (inverted) outputs. The output state changes in accordance with the data input at every positive clock edge, given the set and reset are inactive.

Application Fields

The SN74HC74NG4 is pivotal in digital systems for tasks like data storage, pulse shaping, bounce elimination in switches, and as building blocks in counters, shift registers, and other sequential logic circuits.

Characteristic Parameters

- Supply Voltage (Vcc): Commonly 2V to 6V.

- High-Level Input Voltage (VIH): Generally 2V minimum.

- Low-Level Input Voltage (VIL): Typically 0.8V maximum.

- Output Current (IO): ±4 mA is standard.

- Propagation Delay (tPHL/tPLH): Depends on Vcc and load, generally in nanoseconds.

Circuit Connection for a Debounce Circuit

We'll design a switch debounce circuit using the SN74HC74NG4 to ensure a clean transition without noise. This is crucial in digital systems where a clean signal transition is necessary.

1. Voltage Supply Configuration

- Vcc (Pin 14): Connect to +5V.

- Ground (Pin 7): Connect to the ground.

2. Input Setup

- Clock Input (CLK, Pin 3 of FF1): Connect to the switch. The switch should connect to the ground when pressed and to Vcc through a pull-up resistor when open.

- Data Input (D, Pin 2 of FF1): Connect to Q' (Pin 6 of FF1) to latch the input.

3. Reset and Set Inputs

- Clear (CLR, Pin 1 of FF1): Connect to Vcc to avoid resetting.

- Preset (PRE, Pin 4 of FF1): Connect to Vcc as well, to avoid setting.

4. Output Utilization

- Output Q (Pin 5 of FF1): Provides the debounced signal.

5. Configuring Unused Pins

- Tie unused inputs to avoid floating pins, which can lead to unpredictable behavior.

Design Considerations

When working with the SN74HC74NG4, it's important to take into account certain design aspects:

1. Stable Power Supply: Fluctuations can cause unexpected behavior, so a smooth and stable supply is crucial.

2. Signal Integrity: Especially for the clock input, ensure the signal is clean to avoid metastability or double-triggering.

3. Decoupling Capacitors: A 0.1 µF capacitor near the Vcc pin is recommended to filter noise.

4. Handling Unused Inputs: Connect unused set and reset inputs to Vcc and unused data inputs to either Vcc or ground to prevent high power consumption or random flipping.

The SN74HC74NG4, with its robust design and versatility, is an essential component in numerous digital applications. From simple storage tasks to complex sequential operations, the SN74HC74NG4 offers a reliable solution for handling binary data effectively and efficiently. Proper understanding and implementation of this IC can significantly enhance the performance and reliability of digital systems.

SN74HC74NG4 FAQ

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6. What is the process for return or replacement of SN74HC74NG4?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the SN74HC74NG4 we delivered, we will accept the replacement or return of the SN74HC74NG4 only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of SN74HC74NG4.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations