Overview
The 74HC73DB,118 is a dual JK flip-flop with reset, manufactured by Nexperia USA Inc. This component is part of the 74HC series, known for its high-speed CMOS logic. It features individual J, K, clock (nCP), and reset (nR) inputs, along with complementary nQ and nQ outputs. The device is designed for use in a variety of digital circuits requiring flip-flop functionality.
Key Specifications
| Parameter | Value |
|---|---|
| Type | Dual JK flip-flop with reset |
| Trigger Type | Negative Edge |
| Number of Elements | 2 |
| Number of Bits per Element | 1 |
| Frequency - Clock | Not specified for this model, but generally up to 25 MHz for 74HC series |
| Max Propagation Delay @ V, Max CL | Typically around 24 ns @ 6V, 50pF for 74HC series |
| Output Type | Complementary |
| Voltage - Supply | 2 V ~ 6 V |
| Current - Quiescent | Typically around 40 µA |
| Input Capacitance | 3.5 pF |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | SSOP14 (SOT337-1) |
Key Features
- Low-power dissipation
- Complies with JEDEC standard no. 7A
- ESD protection: HBM JESD22-A114F exceeds 2000 V, MM JESD22-A115-A exceeds 200 V
- Schmitt-trigger action in the clock input for tolerance to slower clock rise and fall times
- Inputs include clamp diodes for interfacing with voltages in excess of VCC using current limiting resistors
- Multiple package options available
- Specified from -40°C to +125°C
Applications
The 74HC73DB,118 is suitable for a wide range of digital circuit applications, including:
- Sequential logic circuits
- Counters and dividers
- Memory elements
- Timing and control circuits
- Automotive and industrial control systems
Q & A
- What is the trigger type of the 74HC73DB,118?
The trigger type is negative edge triggered. - What is the supply voltage range for the 74HC73DB,118?
The supply voltage range is 2 V to 6 V. - What is the maximum propagation delay for the 74HC73DB,118?
Typically around 24 ns @ 6V, 50pF for the 74HC series. - Does the 74HC73DB,118 have ESD protection?
Yes, it has ESD protection: HBM JESD22-A114F exceeds 2000 V, MM JESD22-A115-A exceeds 200 V. - What is the operating temperature range for the 74HC73DB,118?
The operating temperature range is -40°C to 125°C. - What package type does the 74HC73DB,118 come in?
The package type is SSOP14 (SOT337-1). - Is the 74HC73DB,118 suitable for automotive applications?
Yes, it is automotive qualified (AEC-Q100/Q101). - What are the key inputs and outputs of the 74HC73DB,118?
The key inputs include J, K, clock (nCP), and reset (nR), with complementary nQ and nQ outputs. - Does the 74HC73DB,118 have Schmitt-trigger action in the clock input?
Yes, it does, which makes the circuit highly tolerant to slower clock rise and fall times. - Can the 74HC73DB,118 be used in industrial control systems?
Yes, it can be used in industrial control systems due to its robust specifications and wide operating temperature range.
