Спецификации
| Атрибут | Ценность |
| Package | Bulk,Tube |
| Series | 74HC |
| ProductStatus | Active |
| Function | Set(Preset) and Reset |
| Type | D-Type |
| OutputType | Complementary |
| NumberofElements | 2 |
| NumberofBitsperElement | 1 |
| ClockFrequency | 60 MHz |
| MaxPropagationDelay@VMaxCL | 15ns @ 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 | Surface Mount |
| SupplierDevicePackage | 14-SOIC |
Обзор
Description
The SN74HC74D is a dual positive-edge triggered D-type flip-flop integrated circuit from the 74HC family, manufactured by Texas Instruments. It contains two flip-flops, which are essential sequential logic building blocks used in digital electronics. Each flip-flop within the SN74HC74D has independent data (D), clock (CLK), set (PRE), and clear (CLR) inputs, along with complementary outputs (Q and Q̅).
Operating with a wide power supply range of 2V to 6V, the SN74HC74D is suitable for various logic-level applications. It features a high speed of operation with a typical propagation delay of around 15 ns at VCC = 5V, making it apt for fast switching applications. The inputs are CMOS-compatible, ensuring low power consumption and high noise immunity.
The SN74HC74D is packaged in a small-outline integrated circuit (SOIC) form factor, specifically the SOIC-14, making it suitable for compact circuit designs. Its edge-triggered nature and versatility make it ideal for use in counters, shift registers, and other digital circuits requiring reliable state storage and transition.
Operating with a wide power supply range of 2V to 6V, the SN74HC74D is suitable for various logic-level applications. It features a high speed of operation with a typical propagation delay of around 15 ns at VCC = 5V, making it apt for fast switching applications. The inputs are CMOS-compatible, ensuring low power consumption and high noise immunity.
The SN74HC74D is packaged in a small-outline integrated circuit (SOIC) form factor, specifically the SOIC-14, making it suitable for compact circuit designs. Its edge-triggered nature and versatility make it ideal for use in counters, shift registers, and other digital circuits requiring reliable state storage and transition.
Equivalent
The SN74HC74D is a dual D-type flip-flop IC. Equivalent products include:
1. NXP's 74HC74D
2. ON Semiconductor's MC74HC74AD
3. Fairchild's 74HC74
4. Toshiba's TC74HC74AP
5. STMicroelectronics' M74HC74
These alternatives offer similar functionality and pin configurations, making them suitable replacements in most applications. Always check the datasheet to confirm compatibility with your specific requirements.
1. NXP's 74HC74D
2. ON Semiconductor's MC74HC74AD
3. Fairchild's 74HC74
4. Toshiba's TC74HC74AP
5. STMicroelectronics' M74HC74
These alternatives offer similar functionality and pin configurations, making them suitable replacements in most applications. Always check the datasheet to confirm compatibility with your specific requirements.
Features
The SN74HC74D is a dual D-type positive-edge-triggered flip-flop IC with the following features:
1. Dual Flip-Flops: Contains two independent D-type flip-flops in a single package.
2. Positive-Edge Triggered: Data is transferred to the output on the rising edge of the clock pulse.
3. Asynchronous Set and Reset: Each flip-flop has independent direct set and reset inputs, allowing for asynchronous control.
4. High-Speed CMOS Logic: Designed for high-speed operation with low power consumption.
5. Wide Supply Voltage Range: Operates from 2V to 6V, making it versatile for various applications.
6. Low Power Consumption: Consumes minimal power, making it suitable for battery-operated devices.
7. Standard Pin Configuration: Compatible with other 74HC series devices.
8. Temperature Range: Operates over a wide temperature range suitable for commercial, industrial, and extended environments.
9. Package Options: Available in various package types, including the SOIC package.
These features make the SN74HC74D suitable for applications in digital electronics that require data storage, synchronization, or sequencing.
1. Dual Flip-Flops: Contains two independent D-type flip-flops in a single package.
2. Positive-Edge Triggered: Data is transferred to the output on the rising edge of the clock pulse.
3. Asynchronous Set and Reset: Each flip-flop has independent direct set and reset inputs, allowing for asynchronous control.
4. High-Speed CMOS Logic: Designed for high-speed operation with low power consumption.
5. Wide Supply Voltage Range: Operates from 2V to 6V, making it versatile for various applications.
6. Low Power Consumption: Consumes minimal power, making it suitable for battery-operated devices.
7. Standard Pin Configuration: Compatible with other 74HC series devices.
8. Temperature Range: Operates over a wide temperature range suitable for commercial, industrial, and extended environments.
9. Package Options: Available in various package types, including the SOIC package.
These features make the SN74HC74D suitable for applications in digital electronics that require data storage, synchronization, or sequencing.
Pinout
The SN74HC74D is a dual D-type flip-flop with clear and preset capabilities. It is part of the 74HC series of high-speed CMOS logic integrated circuits. The device features:
- 14 Pins in the SOIC (Small Outline Integrated Circuit) package.
- Pin Functions include:
- 2 Data Inputs (D): Accept the data to be stored by the flip-flops.
- 2 Clock Inputs (CLK): Control the timing of data storage.
- 2 Preset Inputs (PRE): Set the output to high regardless of the clock or data input.
- 2 Clear Inputs (CLR): Reset the output to low, overriding the clock and data input.
- 2 Q Outputs: Provide the stored data outputs.
- 2 Q̅ (Not-Q) Outputs: Provide the inverse of the stored data outputs.
- Vcc: Power supply pin.
- GND: Ground pin.
The SN74HC74D is used in applications requiring temporary data storage, data synchronization, and edge-triggered operations.
- 14 Pins in the SOIC (Small Outline Integrated Circuit) package.
- Pin Functions include:
- 2 Data Inputs (D): Accept the data to be stored by the flip-flops.
- 2 Clock Inputs (CLK): Control the timing of data storage.
- 2 Preset Inputs (PRE): Set the output to high regardless of the clock or data input.
- 2 Clear Inputs (CLR): Reset the output to low, overriding the clock and data input.
- 2 Q Outputs: Provide the stored data outputs.
- 2 Q̅ (Not-Q) Outputs: Provide the inverse of the stored data outputs.
- Vcc: Power supply pin.
- GND: Ground pin.
The SN74HC74D is used in applications requiring temporary data storage, data synchronization, and edge-triggered operations.
Manufacturer
The SN74HC74D is manufactured by Texas Instruments (TI). Texas Instruments is a multinational semiconductor company based in Dallas, Texas. It is one of the largest producers of semiconductors in the world and is particularly known for its development and manufacturing of analog chips and embedded processors, which are essential components in a wide range of electronic systems. TI's products are used in various applications, including industrial, automotive, personal electronics, communications, and enterprise systems. The company is renowned for its innovation in electronics and has been a significant player in the semiconductor industry for many decades.
Application
The SN74HC74D is a dual D-type flip-flop with set and reset functions, commonly used in digital electronics. Its main application areas include:
1. Data Storage and Transfer: Used in registers and memory units for temporary data storage and transfer.
2. Frequency Division: Acts as frequency dividers in clock generation circuits.
3. Signal Synchronization: Ensures data consistency in digital systems by aligning signals with clock edges.
4. Counters and Timers: Forms part of sequential circuits for counting or timing applications.
5. State Machines: Implements simple state machines in control and automation systems.
6. Debouncing: Helps in debouncing signals in switch interfaces.
These characteristics make it suitable for a range of digital processing applications in consumer electronics, industrial systems, and computing devices.
1. Data Storage and Transfer: Used in registers and memory units for temporary data storage and transfer.
2. Frequency Division: Acts as frequency dividers in clock generation circuits.
3. Signal Synchronization: Ensures data consistency in digital systems by aligning signals with clock edges.
4. Counters and Timers: Forms part of sequential circuits for counting or timing applications.
5. State Machines: Implements simple state machines in control and automation systems.
6. Debouncing: Helps in debouncing signals in switch interfaces.
These characteristics make it suitable for a range of digital processing applications in consumer electronics, industrial systems, and computing devices.
Package
The SN74HC74D is a dual D-type flip-flop IC with a package type of SOIC-14 (Small Outline Integrated Circuit with 14 pins).