仕様
| 属性 | 値 |
| Package | Bulk |
| Series | 74HC |
| ProductStatus | Active |
| Function | Set(Preset) and Reset |
| Type | D-Type |
| OutputType | Complementary |
| NumberofElements | 2 |
| NumberofBitsperElement | 1 |
| ClockFrequency | 82 MHz |
| MaxPropagationDelay@VMaxCL | 37ns @ 6V, 50pF |
| TriggerType | Positive Edge |
| Current-OutputHighLow | 5.2mA, 5.2mA |
| Voltage-Supply | 2V ~ 6V |
| Current-Quiescent(Iq) | 80 µA |
| InputCapacitance | 3.5 pF |
| OperatingTemperature | -40°C ~ 125°C (TA) |
| MountingType | Surface Mount |
| SupplierDevicePackage | 14-TSSOP |
概要
Description
The 74HC74PW is a high-speed, dual D-type flip-flop with a direct clear and preset capability, part of the 74HC series of logic devices. It operates with a voltage range from 2V to 6V, making it compatible with TTL and CMOS logic levels. Each flip-flop within the IC has an independent data (D) input, clock (CP) input, preset (PRE) and clear (CLR) inputs, and complementary outputs (Q and Q̅).
The device is characterized by its ability to store and toggle data on the rising edge of the clock pulse, provided that the preset and clear inputs are inactive (high state). The preset input, when activated, sets the output Q to high, while the clear input resets it to low. These features make the 74HC74PW suitable for applications in counters, registers, and data storage.
The package style for the 74HC74PW is typically a TSSOP (Thin Shrink Small Outline Package), which provides a compact form factor for space-constrained applications. Its robust performance and wide availability make it a popular choice in digital electronics projects.
The device is characterized by its ability to store and toggle data on the rising edge of the clock pulse, provided that the preset and clear inputs are inactive (high state). The preset input, when activated, sets the output Q to high, while the clear input resets it to low. These features make the 74HC74PW suitable for applications in counters, registers, and data storage.
The package style for the 74HC74PW is typically a TSSOP (Thin Shrink Small Outline Package), which provides a compact form factor for space-constrained applications. Its robust performance and wide availability make it a popular choice in digital electronics projects.
Equivalent
The 74HC74PW is a dual D-type flip-flop with set and reset. Equivalent products include:
1. SN74HC74N (Texas Instruments)
2. CD74HC74E (Texas Instruments)
3. MC74HC74ADG (ON Semiconductor)
4. HEF4013BP (Nexperia)
5. TC74HC74AP (Toshiba)
These equivalents may vary slightly in packaging or other specifications, so it's important to verify pin compatibility and electrical characteristics for your specific application.
1. SN74HC74N (Texas Instruments)
2. CD74HC74E (Texas Instruments)
3. MC74HC74ADG (ON Semiconductor)
4. HEF4013BP (Nexperia)
5. TC74HC74AP (Toshiba)
These equivalents may vary slightly in packaging or other specifications, so it's important to verify pin compatibility and electrical characteristics for your specific application.
Features
The 74HC74PW is a dual D-type flip-flop with set and reset functions. Key features include:
1. Logic Family: High-Speed CMOS (HC).
2. Configuration: Dual flip-flop with individual data (D), clock (CP), set (SD), and reset (RD) inputs.
3. Supply Voltage: Operates at a voltage range of 2V to 6V.
4. Propagation Delay: Fast switching with a typical propagation delay of around 15ns at 5V.
5. Output Capability: Standard output drive with symmetrical drive characteristics.
6. Input Levels: Compatible with TTL inputs at 5V supply.
7. Power Consumption: Low power consumption due to CMOS technology.
8. Package Type: Available in TSSOP (Thin Shrink Small Outline Package), offering compact size for space-constrained applications.
9. Temperature Range: Operates over a wide temperature range, typically from -40°C to +125°C.
10. Applications: Commonly used in applications requiring data storage, data transfer, and synchronization.
These features make the 74HC74PW suitable for general-purpose digital applications requiring reliable flip-flop operations.
1. Logic Family: High-Speed CMOS (HC).
2. Configuration: Dual flip-flop with individual data (D), clock (CP), set (SD), and reset (RD) inputs.
3. Supply Voltage: Operates at a voltage range of 2V to 6V.
4. Propagation Delay: Fast switching with a typical propagation delay of around 15ns at 5V.
5. Output Capability: Standard output drive with symmetrical drive characteristics.
6. Input Levels: Compatible with TTL inputs at 5V supply.
7. Power Consumption: Low power consumption due to CMOS technology.
8. Package Type: Available in TSSOP (Thin Shrink Small Outline Package), offering compact size for space-constrained applications.
9. Temperature Range: Operates over a wide temperature range, typically from -40°C to +125°C.
10. Applications: Commonly used in applications requiring data storage, data transfer, and synchronization.
These features make the 74HC74PW suitable for general-purpose digital applications requiring reliable flip-flop operations.
Pinout
The 74HC74PW is a dual D-type flip-flop IC with a positive-edge trigger. It has a total of 14 pins. Here's a brief overview of its pin functions:
1. GND (Pin 7): Ground connection.
2. VCC (Pin 14): Supply voltage.
3. D1, D2 (Pins 2, 12): Data inputs for the first and second flip-flop, respectively.
4. Q1, Q2 (Pins 5, 9): Outputs of the flip-flops.
5. Q1', Q2' (Pins 6, 8): Inverted outputs of the flip-flops.
6. CLK1, CLK2 (Pins 3, 11): Clock inputs for the flip-flops. The data is transferred to the output on the rising edge of the clock.
7. PRE1, PRE2 (Pins 4, 10): Asynchronous set inputs. When low, this sets the output Q to high, independent of the clock.
8. CLR1, CLR2 (Pins 1, 13): Asynchronous reset inputs. When low, this sets the output Q to low, independent of the clock.
The 74HC74PW is used in applications requiring data latching, such as shift registers, counters, and data storage.
1. GND (Pin 7): Ground connection.
2. VCC (Pin 14): Supply voltage.
3. D1, D2 (Pins 2, 12): Data inputs for the first and second flip-flop, respectively.
4. Q1, Q2 (Pins 5, 9): Outputs of the flip-flops.
5. Q1', Q2' (Pins 6, 8): Inverted outputs of the flip-flops.
6. CLK1, CLK2 (Pins 3, 11): Clock inputs for the flip-flops. The data is transferred to the output on the rising edge of the clock.
7. PRE1, PRE2 (Pins 4, 10): Asynchronous set inputs. When low, this sets the output Q to high, independent of the clock.
8. CLR1, CLR2 (Pins 1, 13): Asynchronous reset inputs. When low, this sets the output Q to low, independent of the clock.
The 74HC74PW is used in applications requiring data latching, such as shift registers, counters, and data storage.
Manufacturer
The 74HC74PW is manufactured by Nexperia. Nexperia is a global semiconductor company that specializes in the production of discrete, logic, and MOSFET devices. It was originally part of NXP Semiconductors but became an independent company in 2017. Nexperia focuses on efficiency, reliability, and innovation in its semiconductor products, catering to a wide range of applications in the automotive, industrial, and consumer electronics sectors.
Application
The 74HC74PW is a dual D-type flip-flop with set and reset, commonly used in digital electronics. Its application areas include:
1. Data Storage: Used in registers for temporary data storage.
2. Frequency Division: Utilized in counters and frequency dividers.
3. Signal Synchronization: Synchronizes asynchronous signals to clocked systems.
4. State Machines: Forms the basis of sequential logic circuits like state machines.
5. Debouncing: Helps in debouncing switches in digital circuits.
6. Timing Applications: Used in timing circuits and delay generation.
7. Data Transfer: Facilitates data transfer between different parts of a system.
These versatile components are integral in designing various digital systems requiring reliable data latching and synchronization.
1. Data Storage: Used in registers for temporary data storage.
2. Frequency Division: Utilized in counters and frequency dividers.
3. Signal Synchronization: Synchronizes asynchronous signals to clocked systems.
4. State Machines: Forms the basis of sequential logic circuits like state machines.
5. Debouncing: Helps in debouncing switches in digital circuits.
6. Timing Applications: Used in timing circuits and delay generation.
7. Data Transfer: Facilitates data transfer between different parts of a system.
These versatile components are integral in designing various digital systems requiring reliable data latching and synchronization.
Package
The 74HC74PW is a dual D-type flip-flop with set and reset; it typically comes in a TSSOP (Thin Shrink Small Outline Package) with 14 pins.
