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Updated at 01/11/2025 10:30:15(UTC+8)

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Description

The CD74HC123M is a CMOS logic high-speed dual retriggerable Mono-stable Multi-vibrator with reset. This device is retriggerable and can be triggered by a negative to positive reset pulse. An external resistor (RX) and an external capacitor (CX) control the timing and the accuracy for the circuit. Adjustment of Rx and CX provides a wide range of output pulse widths from the Q and Q\ terminals. Pulse triggering on the A\ and B inputs occur at a particular voltage level and is not related to the rise and fall times of the trigger pulses. Once triggered, the output pulse width may be extended by retriggering inputs A\ and B. The output pulse can be terminated by a LOW level on the Reset (R) pin. Trailing edge triggering (A)\ and leading edge triggering (B) inputs are provided for triggering from either edge of the input pulse. If either Mono is not used each input on the unused device (A\, B and R\\) must be terminated high or low.
Overriding reset terminates output pulse
Triggering from the leading or trailing edge
Q and Q\ buffered outputs
Separate resets
Wide range of output-pulse widths
Schmitt trigger on both A\ and B inputs
Balanced propagation delay and transition times
Significant power reduction compared to LSTTL logic ICs
Green product and no Sb/Br

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CD74HC123M Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	SOIC-16
Digital Logic Level	CMOS
Supply Voltage (DC)	2.00V ~ 6.00V
Output Current	5.2 mA
Number of Circuits	2 Circuit
Number of Channels	2 Channel
Number of Positions	16 Position
Number of Bits	2 Bit
Voltage Nodes	2.00 V, 4.50 V, 6.00 V
Number of Gates	2 Gate
Rise Time	400 ns
Fall Time	400 ns
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-55 ℃
Supply Voltage	2V ~ 6V
Supply Voltage (Max)	6 V
Supply Voltage (Min)	2 V
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Size-Length	9.9 mm
Size-Width	3.91 mm
Size-Height	1.58 mm
Operating Temperature	-55℃ ~ 125℃
Product Lifecycle Status	Active
Packaging	Each
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2014/12/17
ECCN Code	EAR99
HK STC License	NLR

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