SN74LV123ADBR

双路可重触发单稳态多谐振荡器

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1 Features

• 2-V to 5.5-V VCC Operation

• Maximum tpd of 11 ns at 5 V

• Typical VOLP (Output Ground Bounce)< 0.8 V at VCC = 3.3 V, TA = 25°C

• Typical VOHV (Output VOH Undershoot)> 2.3 V at VCC = 3.3 V, TA = 25°C

• Support Mixed-Mode Voltage Operation on All Ports

• Schmitt-Trigger Circuitry on A, B, and CLR Inputs for Slow Input Transition Rates

• Edge Triggered From Active-High or Active-Low Gated Logic Inputs

• Ioff Supports Partial-Power-Down Mode Operation

• Retriggerable for Very Long Output Pulses, up to 100% Duty Cycle

• Overriding Clear Terminates Output Pulse

• Glitch-Free Power-Up Reset on Outputs

• Latch-Up Performance Exceeds 100 mA Per JESD 78, Class 11

• ESD Protection Exceeds JESD 22

– 2000-V Human-Body Model (A114-A)

– 200-V Machine Model (A115-A)

– 1000-V Charged-Device Model (C101)

2 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, Keyboard, and Mice

3 Description

The  LV123A devices are dual retriggerable monostable multivibrators designed for 2-V to 5.5-V VCC operation.