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74HC123D Datasheet PDF

Toshiba 74HC123D

The 74HC123D 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. These inputs are valid for a slow rise/fall time signal (tr = tf = 1 s) as they are schmitt trigger inputs.
Part No. 74HC123D
Datasheet 74HC123D Download
Manufacturer
Toshiba
Description Dual Monostable Multivibrator
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74HC123D datasheet page 1 preview

DESCRIPTION

● Dual Monostable Multivibrator 2. General There are two trigger inputs, A input (negative edge), and B input (positive edge). This device may also be triggered by using CLR input (positive edge). After triggering, the output stays in a MONOSTABLE state for a 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). Limits for CX and RX are: External capacitor, CX: No limit External resistor, RX: VCC = 2.0 V more than 5 kΩ VCC ≥ 3.0 V more than 1 kΩ All inputs are equipped with protection circuits against static discharge or transient excess voltage. 3.

FEATURES

(Note) (1) Wide operating temperature range: Topr = -40 to 125 (Note 1) (2) High speed: tpd = 25 ns (typ.) at VCC = 5 V (3) Low power dissipation: Standby state: ICC = 4.0 µA (max) at Ta = 25 Active state: ICC = 1000 µA (max) at Ta = 25 (4) Balanced pr...
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