Overview
The SN74HC74DBR is a dual D-type positive-edge-triggered flip-flop integrated circuit manufactured by Texas Instruments. This device contains two independent flip-flops, each with asynchronous preset and clear pins. It is designed to operate within a wide range of voltage and temperature conditions, making it versatile for various electronic applications.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | 14-SSOP (0.209", 5.30mm Width) |
| Operating Voltage Range | 2 V to 6 V |
| Operating Temperature Range | -40°C to +85°C |
| Number of Elements | 2 |
| Number of Bits per Element | 1 |
| Clock Frequency | 60 MHz |
| Max Propagation Delay @ V, Max CL | 30 ns @ 6 V, 50 pF |
| Trigger Type | Positive Edge |
| Output Current - High, Low | 5.2 mA, 5.2 mA |
| Quiescent Current (Iq) | 4 µA |
| Input Capacitance | 3 pF |
| Mounting Type | Surface Mount |
Key Features
- Buffered inputs
- Wide operating voltage range: 2 V to 6 V
- Wide operating temperature range: -40°C to +85°C
- Supports fanout up to 10 LSTTL loads
- Significant power reduction compared to LSTTL logic ICs
Applications
- Convert a momentary switch to a toggle switch
- Divide a clock signal by 2 or 4
Q & A
- What is the SN74HC74DBR?
The SN74HC74DBR is a dual D-type positive-edge-triggered flip-flop integrated circuit.
- Who manufactures the SN74HC74DBR?
The SN74HC74DBR is manufactured by Texas Instruments.
- What is the package type of the SN74HC74DBR?
The package type is 14-SSOP (0.209", 5.30mm Width).
- What is the operating voltage range of the SN74HC74DBR?
The operating voltage range is 2 V to 6 V.
- What is the operating temperature range of the SN74HC74DBR?
The operating temperature range is -40°C to +85°C.
- How many flip-flops does the SN74HC74DBR contain?
The SN74HC74DBR contains two independent D-type flip-flops.
- What is the maximum clock frequency of the SN74HC74DBR?
The maximum clock frequency is 60 MHz.
- What is the maximum propagation delay of the SN74HC74DBR?
The maximum propagation delay is 30 ns @ 6 V, 50 pF.
- What type of trigger does the SN74HC74DBR use?
The SN74HC74DBR uses a positive edge trigger.
- What are some common applications of the SN74HC74DBR?
Common applications include converting a momentary switch to a toggle switch and dividing a clock signal by 2 or 4.
