74HCT123D - NXP

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

74HCT123D
Manufacturer

NXP
ChipWorker Part#

CW151381855
Category

Flip Flop IC
Package

SOIC
Description

NXP 74HCT123D Monostable Multivibrator, 74HCT123, 30ns, 4mA, 4.5V to 5.5V, SOIC-16
Documentation

Datasheet

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74HCT123D Specifications

Attribute	Attribute Value

Part Number	74HCT123D
Manufacturer	NXP
ChipWorker Part#	CW151381855
Category	Flip Flop IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	SOIC
Digital Logic Level	CMOS
Supply Voltage (DC)	5.00 V, 6.00 V (max)
Output Current	4 mA
Number of Circuits	2 Circuit
Number of Positions	16 Position
Number of Gates	2 Gate
Rise Time	400 ns
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage (Max)	5.5 V
Supply Voltage (Min)	4.5 V
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Product Lifecycle Status	Unknown
Packaging	Each
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/12/17

Product Description

The 74HCT123D is a dual retriggerable Monostable Multivibrator with a reset. It is pin compatible with low-power Schottky TTL (LSTTL). It comes with an output pulse width control. The Schmitt-trigger action in the nA and nB inputs, makes the circuit highly tolerant to slower input rise and fall times. The output pulse is controlled by three methods, first - The basic pulse is programmed by selection of an external resistor (REXT) and capacitor (CEXT). Second, once triggered, the basic output pulse width may be extended by retriggering the gated active low-going edge input (nA\\) or the active high-going edge input (nB). By repeating this process, the output pulse period (nQ = high, nQ\ = low) can be made as long as desired. Alternatively an output delay can be terminated at any time by a low-going edge on input nRD\, which also inhibits the triggering. Third, an internal connection from nRD to the input gates makes it possible to trigger.
DC triggered from active high or active low inputs
Retriggerable for very long pulses up to 100% duty factor
Direct reset terminates output pulse
Schmitt-trigger action on all inputs except for the reset input

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