Overview
The SN74LVC1G123DCUR is a single retriggerable monostable multivibrator designed by Texas Instruments. This device operates within a voltage range of 1.65V to 5.5V VCC and is suitable for various digital logic applications. It features output pulse-duration control through multiple methods, including the use of A and B inputs and a clear (CLR) input. The device is available in the Texas Instruments NanoFree™ package and supports mixed-mode voltage operation on all ports.
Key Specifications
| Parameter | Value |
|---|---|
| Operating Voltage Range | 1.65V to 5.5V |
| Maximum Propagation Delay (tpd) at 3.3V | 8 ns |
| Input Voltage Range | Up to 5.5V |
| Package Type | VSSOP (DCU) - 8 pins |
| Operating Temperature Range | -40°C to 125°C |
| ESD Protection | 2000V Human-Body Model, 200V Machine Model, 1000V Charged-Device Model |
Key Features
- Available in the Texas Instruments NanoFree™ package
- Supports 5V VCC operation and accepts inputs up to 5.5V
- Schmitt-trigger circuitry on A and B inputs for slow input transition rates
- Edge triggered from active-high or active-low gated logic inputs
- Retriggerable for very long output pulses, up to 100% duty cycle
- Overriding clear terminates output pulse
- Glitch-free power-up reset on outputs
- Ioff supports live insertion, partial-power-down mode, and back-drive protection
- Latch-up performance exceeds 100 mA per JESD 78, Class II
Applications
- AV Receivers
- Blu-ray Players and Home Theaters
- DVD Recorders and Players
- Desktop PCs or Notebook PCs
- Digital Radio and Internet Radio Players
- Digital Video Cameras (DVC)
- Embedded PCs
- GPS: Personal Navigation Devices
- Mobile Internet Devices
- Network Attached Storage (NAS)
- Personal Digital Assistant (PDA)
- Server PSU
- Solid-State Drive (SSD): Client and Enterprise
- Video Analytics Servers
- Wireless Headsets, Keyboards, and Mice
Q & A
- What is the operating voltage range of the SN74LVC1G123DCUR?
The operating voltage range is 1.65V to 5.5V VCC. - What is the maximum propagation delay at 3.3V?
The maximum propagation delay at 3.3V is 8 ns. - What type of package is the SN74LVC1G123DCUR available in?
The device is available in a VSSOP (DCU) package with 8 pins. - What is the operating temperature range of the device?
The operating temperature range is -40°C to 125°C. - Does the SN74LVC1G123DCUR have ESD protection?
Yes, it has ESD protection exceeding 2000V Human-Body Model, 200V Machine Model, and 1000V Charged-Device Model. - How is the output pulse duration controlled in the SN74LVC1G123DCUR?
The output pulse duration is controlled by selecting external resistance and capacitance values and through the use of A, B, and CLR inputs. - What are some of the key features of the SN74LVC1G123DCUR?
Key features include Schmitt-trigger circuitry, edge triggering, retriggerability, and glitch-free power-up reset. - In what types of applications is the SN74LVC1G123DCUR typically used?
It is used in various digital logic applications including AV receivers, Blu-ray players, desktop PCs, and more. - Does the SN74LVC1G123DCUR support mixed-mode voltage operation?
Yes, it supports mixed-mode voltage operation on all ports. - What is the purpose of the clear (CLR) input in the SN74LVC1G123DCUR?
The clear (CLR) input is used to terminate the output pulse.
