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The SN74LVC1G123 is a single retriggerable monostable multivibrator designed for 1.65-V to 5.5-V VCC operation.
This monostable multivibrator features output pulse-duration control by three methods. In the first method, the A input is low, and the B input goes high. In the second method, the B input is high, and the A input goes low. In the third method, the A input is low, the B input is high, and the clear (CLR) input goes high.
The output pulse duration is programmed by selecting external resistance and capacitance values. The external timing capacitor must be connected between Cext and Rext/Cext (positive) and an external resistor connected between Rext/Cext and VCC. To obtain variable pulse durations, connect an external variable resistance between Rext/Cext and VCC. The output pulse duration also can be reduced by taking CLR low.
Pulse triggering occurs at a particular voltage level and is not directly related to the transition time of the input pulse. The A and B inputs have Schmitt triggers with sufficient hysteresis to handle slow input transition rates with jitter-free triggering at the outputs.
Once triggered, the basic pulse duration can be extended by retriggering the gated low-level-active (A) or high-level-active (B) input. Pulse duration can be reduced by taking CLR low. CLR can be used to override A or B inputs. The input/output timing diagram illustrates pulse control by retriggering the inputs and early clearing.
This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down.
NanoFree™ package technology is a major breakthrough in IC packaging concepts, using the die as the package.
- 具有施密特触发器输入的单重可触发单稳态多谐振荡器SN74LVC1G123数据表
- SN74LVC1G66-Q1,pdf(Single Bila
- SN74LVC1G66,pdf(Single Bilater
- SN74LVC1GX04,pdf(CRYSTAL OSCIL
- SN74LVC1G17-Q1,pdf(Single Schm
- SN74LVC1G27,pdf(Single 3-Input
- SN74LVC1G02,pdf(SINGLE 2-INPUT
- SN74LVC1G10,pdf(single 2-input
- SN74LVC1G00,pdf(Single 2-Input
- SN74LVC1G3208,pdf(SINGLE 3-INP
- SN74LVC1G11,pdf(SINGLE 3-INPUT
- SN74LVC1G0832,pdf(SINGLE 3-INP
- SN74LVC1G34,pdf(Single Buffer
- SN74LVC1G17,pdf(Single Schmitt
- SN74LVC1G240,pdf(Single Buffer
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