Overview
The Texas Instruments SN74HC74MPWREP is a dual D-type positive-edge-triggered flip-flop integrated circuit. This component is part of the 74HC series and is designed for single-bit data storage and responsive output adjustments based on input changes. It features two independent flip-flops, each with data, clock, clear, and preset inputs, along with complementary Q and Q' outputs. The device operates over a wide voltage range of 2V to 6V, making it adaptable to various system landscapes where energy efficiency is crucial.
The SN74HC74MPWREP is packaged in a TSSOP (Thin Shrink Small Outline Package) and is known for its low power consumption, with a maximum quiescent current of 80 µA. It also boasts extended temperature performance from –55°C to 125°C, ensuring reliable operation in a broad range of environmental conditions.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Supply Voltage (VCC) | 2 | - | 6 | V |
| Operating Temperature (TA) | -55 | - | 125 | °C |
| Clock Frequency (fmax) | - | - | 60 | MHz |
| Propagation Delay (tpd) | - | 15 | 42 | ns |
| Output Drive Current (IOH/IOL) | - | - | ±4 mA | mA |
| Input Capacitance | - | - | 3 pF | pF |
| Quiescent Current (ICC) | - | - | 80 µA | µA |
| Package Type | - | - | TSSOP | - |
Key Features
- Dual D-type positive-edge-triggered flip-flops with clear and preset inputs.
- Wide operating voltage range of 2V to 6V.
- Low power consumption with a maximum quiescent current of 80 µA.
- Extended temperature performance from –55°C to 125°C.
- Outputs can drive up to 10 LSTTL loads.
- Typical propagation delay of 15 ns.
- High-speed operation with clock frequencies up to 60 MHz.
- Low input current of 1 mA max.
- Enhanced diminishing manufacturing sources (DMS) support and product-change notification.
Applications
The SN74HC74MPWREP is instrumental in various digital circuit designs, particularly where flip-flops are required for data storage and synchronization. Here are some key applications:
- Converting momentary switches to toggle switches.
- Dividing clock signals by 2 or 4.
- Storing data in registers or counters.
- Pulse width modulation (PWM) for controlling power output in devices such as motors and LED lights.
- Frequency division for synchronized system operations.
- Temporary data storage in systems requiring immediate access to intermediate data.
Q & A
- What is the operating voltage range of the SN74HC74MPWREP? The operating voltage range is from 2V to 6V.
- What is the maximum clock frequency the SN74HC74MPWREP can handle? The device can handle clock frequencies up to 60 MHz.
- What is the typical propagation delay of the SN74HC74MPWREP? The typical propagation delay is 15 ns.
- How many flip-flops does the SN74HC74MPWREP contain? It contains two independent D-type flip-flops.
- What are the clear and preset inputs used for in the SN74HC74MPWREP? The clear and preset inputs can set or reset the outputs regardless of the clock signal.
- What is the maximum output drive current of the SN74HC74MPWREP? The maximum output drive current is ±4 mA.
- What is the quiescent current of the SN74HC74MPWREP? The maximum quiescent current is 80 µA.
- In what package is the SN74HC74MPWREP available? It is available in a TSSOP package.
- What is the operating temperature range of the SN74HC74MPWREP? The operating temperature range is from –55°C to 125°C.
- What are some common applications of the SN74HC74MPWREP? Common applications include converting momentary switches to toggle switches, dividing clock signals, and storing data in registers or counters.
