SN74LS74ADR

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SN74LS74ADR

IC FF D-TYPE DUAL 1BIT 14SOIC

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  • Mfr. Part #SN74LS74ADR
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  • Datasheet
  • In Stock3897

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Specifications

Package Tape & Reel (TR),Cut Tape (CT)
Series 74LS
ProductStatus Active
Function Set(Preset) and Reset
Type D-Type
OutputType Complementary
NumberofElements 2
NumberofBitsperElement 1
ClockFrequency 33 MHz
MaxPropagationDelay@VMaxCL 40ns @ 5V, 15pF
TriggerType Positive Edge
Current-OutputHighLow 400µA, 8mA
Voltage-Supply 4.75V ~ 5.25V
Current-Quiescent(Iq) 8 mA
OperatingTemperature 0°C ~ 70°C (TA)
MountingType Surface Mount
SupplierDevicePackage 14-SOIC

Overview

Description

The SN74LS74ADR is a dual D-type flip-flop integrated circuit primarily used for digital storage applications in electronic systems. It features two independent D flip-flops, each with a data input (D), clock input (CLK), and asynchronous set (SET) and reset (RESET) controls. The flip-flops capture the value at the D input on the rising edge of the CLK signal and retain this value until the next clock pulse, making it suitable for synchronous data storage and transfer.
The "LS" in its designation refers to the Low Power Schottky technology, which offers faster switching speeds and lower power consumption compared to standard TTL (Transistor-Transistor Logic) devices. The SN74LS74ADR operates with a supply voltage of 4.75V to 5.25V, making it compatible with standard logic levels.
Key applications include data storage in registers, frequency dividers, and state machines. Its robust design and reliability make it a popular choice in various digital circuits and systems.

Features

The SN74LS74ADR is a dual D-type flip-flop designed for use in various digital applications. Key features include:
1. Dual Functionality: Contains two independent D-type flip-flops, allowing for multiple data storage and processing functions.
2. Edge-Triggered: Operates on the rising edge of the clock input, ensuring stable output during transitions.
3. Asynchronous Set and Reset: Offers direct asynchronous control with preset and clear inputs, enabling immediate setting or resetting of the outputs.
4. Low Power Consumption: Part of the Low Power Schottky family, it provides efficient operation with reduced power requirements.
5. High-Speed Operation: Capable of switching at high frequencies, making it suitable for fast digital circuits.
6. TTL Compatible: Compatible with standard Transistor-Transistor Logic (TTL) levels, facilitating integration with other TTL devices.
7. Wide Operating Voltage: Typically operates between 4.75V and 5.25V, making it versatile for various power supply configurations.
These features make the SN74LS74ADR ideal for applications in data storage, signal synchronization, and digital control circuits.

Package

The SN74LS74ADR is packaged in a 14-pin dual in-line package (DIP) format. It features a specific design for through-hole mounting with standard pin spacing, suitable for various electronic applications.

Pinout

The SN74LS74ADR is a dual D-type flip-flop from the Texas Instruments 74LS series. It has a pin count of 14.
Pin Functions:
1. 1 (D1): Data input for Flip-Flop 1
2. 2 (C1): Clock input for Flip-Flop 1
3. 3 (CLR1): Asynchronous clear input for Flip-Flop 1
4. 4 (PRE1): Asynchronous preset input for Flip-Flop 1
5. 5 (Q1): Output for Flip-Flop 1
6. 6 (Q1'): Inverted output for Flip-Flop 1
7. 7 (GND): Ground
8. 8 (Q2): Output for Flip-Flop 2
9. 9 (Q2'): Inverted output for Flip-Flop 2
10. 10 (PRE2): Asynchronous preset input for Flip-Flop 2
11. 11 (CLR2): Asynchronous clear input for Flip-Flop 2
12. 12 (C2): Clock input for Flip-Flop 2
13. 13 (D2): Data input for Flip-Flop 2
14. 14 (Vcc): Power supply (positive voltage)
This device is widely used for data storage and synchronization in digital circuits.

Manufacturer

The SN74LS74ADR is manufactured by Texas Instruments (TI), a major American technology company. Texas Instruments specializes in the design and production of semiconductor devices, particularly integrated circuits (ICs), which are widely used in various electronic applications. Founded in 1930, the company has a significant presence in the fields of analog, embedded processing, and digital signal processing. TI is known for its innovation in the semiconductor industry and provides a broad range of products including microcontrollers, processors, and other electronic components, serving markets such as automotive, industrial, communications, and consumer electronics.

Application

The SN74LS74ADR is a dual D-type flip-flop used in digital circuits for data storage and transfer applications. Its primary areas include synchronous data processing, memory storage, frequency division, and as a building block in state machines. It is commonly used in clocked sequential logic circuits, digital signal processing, and various timing applications in consumer electronics, telecommunications, and industrial automation.

Equivalent

The SN74LS74ADR is a dual D-type flip-flop. Equivalent products include:
1. 74HC74 - High-speed CMOS version.
2. 74HCT74 - TTL-compatible CMOS version.
3. SN74LS74A - Enhanced version with similar specifications.
4. 74LS74 - Standard low-power version without the A suffix.
Always verify specific requirements like voltage levels and speed before substitution.

Shipping

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UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

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