Description
SN74HC74DR
Description
The SN74HC74DR is a dual D-type flip-flop with a clock input, a master-reset input, and two Q outputs. The flip-flop has a synchronous master-reset input, which resets both outputs to a low level when it is high.
Features
- Dual D-type flip-flops
- Synchronous master-reset input
- Clock input
- Two Q outputs
- High-speed operation: 12 MHz (typ) at 5 V
- Low power consumption: 80 μA (max) at 5 V
Parameters
Electrical Characteristics
- Operating Temperature Range: -40°C to 125°C
- Storage Temperature Range: -65°C to 150°C
- Input Voltage Range: -0.5 V to 7.0 V
- Output Voltage Range: -0.5 V to 7.0 V
- High-Level Input Voltage: 2.0 V to 7.0 V
- Low-Level Input Voltage: -0.5 V to 0.8 V
- High-Level Output Voltage: 4.9 V (min) at I_OH = -20 μA
- Low-Level Output Voltage: 0.1 V (max) at I_OL = 20 μA
Switching Characteristics
- Propagation Delay Time: 16 ns (typ) at 5 V
- Clock Pulse Width: 10 ns (min)
- Setup Time: 10 ns (max)
- Hold Time: 5 ns (max)
Power Consumption
- Quiescent Supply Current: 80 μA (max) at 5 V
Package
- Package Type: SOIC-14
- Package Dimensions: 8.65 mm x 3.95 mm x 1.35 mm
Ordering Information
- Part Number: SN74HC74DR
- Package Type: SOIC-14
Functional Table
MR | CK | D | Q |
---|---|---|---|
H | X | X | L |
L | ↑ | H | H |
L | ↑ | L | L |
Note: X = Don’t care, ↑ = Rising edge, H = High, L = Low
Application
The SN74HC74DR is a versatile dual D-type flip-flop that can be used in a wide range of applications, including:
- Digital Counters
- Sequential Logic
- Memory Circuits
Please contact the manufacturer for more information and specific application notes.