Overview
The 74HCT123D-Q100118 is a dual retriggerable monostable multivibrator produced by NXP USA Inc. This integrated circuit is part of the 74HCT series, which is known for its high-speed Si-gate CMOS technology. The device is designed to provide flexible pulse width control and is suitable for a wide range of applications, including automotive and industrial systems.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Manufacturer | NXP USA Inc. | |
| Part Number | 74HCT123D-Q100118 | |
| Logic Type | Monostable Multivibrator | |
| Package/Case | 16-SOIC (0.154", 3.90mm Width) | |
| Operating Temperature Range | -40°C to +85°C, -40°C to +125°C | |
| Propagation Delay | Up to 255 ns (VCC = 2.0 V), Up to 320 ns (VCC = 2.0 V, -40°C to +85°C) | |
| Input Voltage Levels | VIH: 1.5 V to 4.2 V, VIL: 0 V to 1.5 V | |
| ESD Protection | MIL-STD-883, method 3015 exceeds 2000 V; HBM JESD22-A114F exceeds 2000 V; MM JESD22-A115-A exceeds 200 V |
Key Features
- Dual retriggerable monostable multivibrator with output pulse width control by three methods: external resistor and capacitor, retriggering, and direct reset.
- Automotive product qualification in accordance with AEC-Q100 (Grade 1).
- DC triggered from active HIGH or active LOW inputs.
- Retriggerable for very long pulses up to 100% duty factor.
- Direct reset terminates output pulse.
- Schmitt trigger action on all inputs except for the reset input.
- High ESD protection: MIL-STD-883, HBM JESD22-A114F, and MM JESD22-A115-A.
Applications
The 74HCT123D-Q100118 is suitable for various applications, including:
- Automotive systems: Qualified to AEC-Q100 (Grade 1), making it reliable for use in automotive electronics.
- Industrial control systems: Used for timing and pulse generation in industrial automation.
- Consumer electronics: Found in devices requiring precise timing and pulse control.
- Medical devices: Used in medical equipment that requires reliable and precise timing signals.
Q & A
- What is the primary function of the 74HCT123D-Q100118?
The primary function is to act as a dual retriggerable monostable multivibrator, providing flexible pulse width control.
- What is the operating temperature range of the 74HCT123D-Q100118?
The operating temperature range is from -40°C to +85°C and from -40°C to +125°C.
- What types of inputs can trigger the 74HCT123D-Q100118?
The device can be triggered by active HIGH or active LOW inputs.
- How can the output pulse width be controlled?
The output pulse width can be controlled by three methods: using an external resistor and capacitor, retriggering, and direct reset.
- What is the significance of AEC-Q100 qualification?
AEC-Q100 qualification indicates that the device meets the Automotive Electronics Council standards for reliability and performance in automotive applications.
- What is the package type of the 74HCT123D-Q100118?
The package type is 16-SOIC (0.154", 3.90mm Width).
- What is the propagation delay of the 74HCT123D-Q100118?
The propagation delay is up to 255 ns (VCC = 2.0 V) and up to 320 ns (VCC = 2.0 V, -40°C to +85°C).
- Does the 74HCT123D-Q100118 have ESD protection?
- What are some common applications of the 74HCT123D-Q100118?
- How can the output pulse be terminated?
The output pulse can be terminated at any time by a LOW-going edge on the reset input (nRD).
