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

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Description

The CD74AC244E is a 3-state octal Buffer/Line Driver uses the RCA ADVANCED CMOS technology. The CD74AC244 has active-LOW output enables. The CD54ACT240 AC types feature 1.5 to 5.5V operation and balanced noise immunity at 30% of the supply. It also features typical propagation delay of 3.6ns at VCC = 5V, TA = 25°C, CL = 50pF.
Buffered inputs
SCR-Latch-up-resistant CMOS process and circuit design
Speed of bipolar FAST™/AS/S with significantly reduced power consumption
Balanced propagation delays
±24mA Output drive current
Fan-out to 15 FAST* Ics
Drives 50R transmission lines

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CD74AC244E Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Through Hole
Number of Pins	20 Pin
Case/Package	DIP-20
Supply Voltage (DC)	1.50V ~ 5.50V
Number of Outputs	8 Output
Number of Channels	8 Channel
Number of Positions	20 Position
Number of Bits	8 Bit
Propagation Delay Max (tpd)	7.50 ns
Voltage Nodes	5.00 V, 3.30 V
Power Dissipation	500 mW
Number of Gates	8 Gate
Output Current Drive	-1.00 mA
Number of Inputs	8 Input
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-55 ℃
Power Dissipation (Max)	500 mW
Supply Voltage	1.5V ~ 5.5V
Supply Voltage (Max)	5.5 V
Supply Voltage (Min)	1.5 V
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Size-Length	24.33 mm
Size-Width	6.35 mm
Size-Height	4.57 mm
Operating Temperature	-40℃ ~ 85℃
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

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