Overview
The SN74LVC1G123DCTTE4 is a single retriggerable monostable multivibrator produced by Texas Instruments. This device is designed to operate within a wide voltage range of 1.65V to 5.5V VCC, making it versatile for various applications. It is available in the Texas Instruments NanoFree™ package and supports mixed-mode voltage operation on all ports. The multivibrator features output pulse-duration control through external resistance and capacitance values, allowing for flexible and precise timing configurations.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VCC Supply Voltage | 1.65 to 5.5 | V |
| Input Voltage | -0.5 to 6.5 | V |
| Operating Temperature Range | -40 to 125 | °C |
| Propagation Delay (tpd) at 3.3V | 8 | ns |
| Output Current (High/Low) | 32 | mA |
| Package Type | 8-LSSOP, 8-MSOP | |
| 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 inputs up to 5.5V
- Maximum propagation delay of 8ns at 3.3V
- Supports mixed-mode voltage operation on all ports
- Supports down translation to VCC
- 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
The SN74LVC1G123DCTTE4 is suitable for a variety of applications where precise timing and pulse generation are required. These include:
- Timing and pulse generation circuits
- Sequential logic circuits
- Frequency dividers and counters
- Power-on reset circuits
- Automotive and industrial control systems
Q & A
- What is the operating voltage range of the SN74LVC1G123DCTTE4?
The operating voltage range is from 1.65V to 5.5V VCC.
- What is the maximum propagation delay at 3.3V?
The maximum propagation delay at 3.3V is 8ns.
- What types of inputs can trigger the multivibrator?
The multivibrator can be triggered from active-high or active-low gated logic inputs.
- How is the output pulse duration controlled?
The output pulse duration is controlled by selecting external resistance and capacitance values.
- Does the device support mixed-mode voltage operation?
Yes, it supports mixed-mode voltage operation on all ports.
- What is the purpose of the Schmitt-trigger circuitry on the A and B inputs?
The Schmitt-trigger circuitry handles slow input transition rates with jitter-free triggering at the outputs.
- Can the output pulse be terminated early?
Yes, the output pulse can be terminated early by taking the CLR input low.
- Does the device have ESD protection?
Yes, it exceeds JESD 22 standards with 2000V Human-Body Model, 200V Machine Model, and 1000V Charged-Device Model protection.
- What is the operating temperature range of the device?
The operating temperature range is from -40°C to 125°C.
- What package types are available for the SN74LVC1G123DCTTE4?
The device is available in 8-LSSOP and 8-MSOP packages.
