SN74ACT244DWR

Texas Instruments · 74ACT Series

Texas Instruments 74ACT series buffer, non-inverting, SN74ACT244DWR, 20-SOIC wide-body, 4.5V-5.5V supply, 24mA output drive, 3-state outputs, industrial temperature range.

Texas Instruments SN74ACT244DWR
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MOQ 1 · Tape & Reel (TR); Cut Tape (CT) · RoHS · EIA-481 · DAP/DDP · T/T

Technical specifications

SN74ACT244DWR specifications
Parameter / AttributeSpecification / Value
Series74ACT
Logic typeBuffer, Non-Inverting
Output type3-State
MountingSurface Mount
Supply voltage4.5V ~ 5.5V
Current - output high, low24mA, 24mA
Operating temperature-40°C ~ 85°C (TA)
PackageTape & Reel (TR); Cut Tape (CT)
Case20-SOIC (0.295\", 7.50mm Width)
Number of elements2
Number of bits per element4

Technical details

Active 5V bus buffer with 24 mA drive

The SN74ACT244DWR: Each of the two elements buffers four bits, giving eight total channels in one 20-SOIC wide-body package (7.50 mm width). Each output can sink or source 24 mA, enough to drive a terminated backplane trace or a bank of LEDs without an external line driver. The 3-state control lets multiple buffers share a common data bus — the outputs go high-impedance when the enable pins are deasserted.

Industrial temperature and surface-mount footprint

The 20-SOIC package (supplier device package 20-SOIC) uses a 1.27 mm pitch, standard for medium-density logic on 2-layer or 4-layer boards. The wide-body SOIC (0.295-inch body width) provides better thermal dissipation than the narrow version and matches the footprint of many octal bus-interface devices. Decoupling with a 0.1 µF ceramic close to each supply pin is recommended for the 5 V rail.

SN74ACT244DWR
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