Hot-selling and scarce TC74HC123AF Dual Retriggerable Monostable Multivibrator SOP16 spot stock

Product Descriptions

The TC74HC123A is a high speed CMOS MONOSTABLE  MULTIVIBRATOR fabricated with silicon gate C2MOS  technology

It achieves the high speed operation similar to equivalent  LSTTL while maintaining the CMOS low power dissipation.

There are two trigger inputs, A input (negative edge), and B  input (positive edge). These inputs are valid for a slow rise/fall  time signal (tr = tf = 1 s) as they are schmitt trigger inputs. This  device may also be triggered by using CLR input (positive  edge).

time period determined by the external resistor and capacitor  (Rx, Cx ). A low level at the CLR input breaks this state. In the  MONOSTABLE state, if a new trigger is applied, it extends the  MONOSTABLE period (retrigger mode).

Product Features

• High speed: tpd = 25 ns (typ.) at VCC = 5 V

• Low power dissipation

Standby state: ICC = 4 μA (max) at Ta = 25°C

Active state: ICC = 700 μA (max) at Ta = 25°C

• High noise immunity: VNIH = VNIL = 28% VCC (min)

• Output drive capability: 10 LSTTL loads

• Symmetrical output impedance: |IOH| = IOL = 4 mA (min)

• Balanced propagation delays: tpLH ∼− tpHL

• Wide operating voltage range: VCC (opr) = 2 to 6 V

• Pin and function compatible with 74LS123

Product Specification

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Product Photos

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