- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for SN74ALS138N
- Part Number SN74ALS138N
- Manufacturer Texas Instruments
- Pin Count 16
- Part Category Integrated Circuit
- Package Category Small Outline Packages
- Footprint Name Small Outline Packages - D (R-PDSO-G16)
- Released Date Jan 12, 2017
- Last Modified Date Nov 15, 2024 1:35 PM UTC
- Pinout / Pin List Click Here (Member Only)
SN74ALS138N Details
-
Manufacturer Part Number:
SN74ALS138N
-
Part Life Cycle Code:
Obsolete
-
Package Description:
DIP-16
-
ECCN Code:
EAR99
-
HTS Code:
8542.39.00.60
-
Manufacturer:
Texas Instruments
-
YTEOL:
0
-
Family:
ALS
-
Input Conditioning:
STANDARD
-
JESD-30 Code:
R-PDIP-T16
-
Length:
19.8 mm
SN74ALS138N Frequently Asked Questions (FAQs)
-
The maximum frequency of operation for the SN74ALS138N is typically around 30-40 MHz, but it can vary depending on the specific application and operating conditions.
-
To ensure proper power and decoupling, connect the VCC pin to a stable 5V power supply, and decouple the power pins with 0.1uF ceramic capacitors to ground. Additionally, use a 10uF electrolytic capacitor to filter the power supply.
-
The SN74ALS138N can sink up to 24mA and source up to 12mA per output pin, but it's recommended to limit the current to 6mA per pin to ensure reliable operation.
-
The enable inputs (E1, E2, and E3) are active-low, meaning they must be pulled low to enable the decoder. Connect them to a logic low (GND) or use a pull-down resistor to ensure they are not floating.
-
The propagation delay of the SN74ALS138N is typically around 10-15ns, but it can vary depending on the specific application and operating conditions.
Trust Checks
System Verified
SN74ALS138N Overview
Use the download button to access the SN74ALS138N schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like SN74A,
or try a keyword search, such as Decoder/Drivers
About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.