2011年4月12日星期二

SN74LV123APWR: It Can Be Retriggerable!

Component SN74LV123APWR is among the LV123A series that are retriggerable and monostable multivibrators. Such electronic components are designed for 2-V to 5.5-V VCC operation. Let’s unveil their features first.
 1.       2-V to 5.5-V VCC Operation
2.       Max tpd of 11 ns at 5 V
3.       Typical VOLP (Output Ground Bounce) <0.8 V at VCC = 3.3 V, TA = 25°C
4.  Typical VOHV (Output VOH Undershoot)>2.3 V at VCC = 3.3 V, TA = 25°C
5.  Support Mixed-Mode Voltage Operation on All Ports
6.  Schmitt-Trigger Circuitry on A, B, and CLR Inputs for Slow Input Transition 
    Rates
7.  Edge Triggered From Active-High or Active-Low Gated Logic Inputs
8.  Ioff Supports Partial-Power-Down Mode Operation
9.  Retriggerable for Very Long Output Pulses, up to 100% Duty Cycle
10. Overriding Clear Terminates Output Pulse
11. Glitch-Free Power-Up Reset on Outputs
12. Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
13. ESD Protection Exceeds JESD 22
  2000-V Human-Body Model (A114-A)
  200-V Machine Model (A115-A)
  1000-V Charged-Device Model (C101)

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