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Updated at 17/06/2025 10:30:15(UTC+8)

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Description

The 74HC4538N is a dual retriggerable precision monostable Multivibrator is a high-speed Si-gate CMOS devices and are pin compatible with low-power Schottky TTL (LSTTL ). The device is specified in compliance with JEDEC standard no-7A. This is a dual retriggerable-resettable monostable multivibrators. Each multivibrator has an active low trigger/retrigger input (nA), an active high trigger/retrigger input (nB), an overriding active low direct reset input (nCD), an output (nQ) and its complement (nQ) and two pins (nREXT/CEXT and nCEXT) for connecting the external timing components CEXT and REXT. Typical pulse width variation over the specified temperature range is ±0.2%. The multivibrator may be triggered by either the positive or the negative edges of the input pulse. The duration and accuracy of the output pulse are determined by the external timing components CEXT and REXT.
Tolerant of slow trigger rise and fall times
Separate reset inputs
Triggering from falling or rising edge
ESD sensitive device, take proper precaution while handling the device.

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74HC4538N Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Through Hole
Number of Pins	16 Pin
Case/Package	DIP
Digital Logic Level	CMOS
Supply Voltage (DC)	5.00 V, 6.00 V (max)
Output Current	5.2 mA
Number of Circuits	2 Circuit
Number of Positions	16 Position
Rise Time	6.00 ns
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage (Max)	6 V
Supply Voltage (Min)	2 V
	Show
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

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