SN74LVC1G123YZPR Part Information

Details for SN74LVC1G123YZPR by Texas Instruments

Semiconductors - ICs > Logic > Multivibrators

Part Description

The SN74LVC1G123 device is a single retriggerable monostable multivibrator designed for 1.65-V to 5.5-V VCC operation. This monostable multivibrator features output pulseduration 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.

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Part Features

  • Available in the Texas Instruments NanoFreeu2122 Package
  • ESD Protection Exceeds JESD 22
  • Edge Triggered From Active-High or Active-Low Gated Logic Inputs
  • Glitch-Free Power-Up Reset on Outputs
  • Inputs Accept Voltages to 5.5 V
  • Ioff Supports Live Insertion, Partial-Power-Down Mode, and Back-Drive Protection
  • Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
  • Max tpd of 8 ns at 3.3 V
  • Overriding Clear Terminates Output Pulse
  • Retriggerable for Very Long Output Pulses, Up to 100% Duty Cycle
  • Schmitt-Trigger Circuitry on A and B Inputs for Slow Input Transition Rates
  • Supports 5-V VCC Operation
  • Supports Down Translation to VCC
  • Supports Mixed-Mode Voltage Operation on All Ports

Part Specifications

Logic Family / Base Number 74LVC1G123
Multivibrator Type Retriggerable Monostable
Output Current -
Supply Voltage Min 1.65V
Supply Voltage Max 5.5V
Logic Case Style DSBGA
No. of Pins 8Pins
Propagation Delay 18.5ns
Logic IC Family 74LVC
Logic IC Base Number 741G123
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
RoHS Compliant

Alternative Part Descriptions

  • MULTIVIBRATOR, MONO, 18.5NS, DSBGA-8; Logic Family / Base Number:74LVC1G123; Multivibrator Type:Retriggerable Monostable; Output Current:-; Supply Voltage Min:1.65V; Supply Voltage Max:5.5V; Logic Case Style:DSBGA; No. of Pins:8Pins;RoHS Compliant: Yes | Newark Electronics
  • Single retriggerable monostable multivibrator with Schmitt-trigger inputs | Texas Instruments

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