85504012A

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Mfr.Part #
85504012A
Manufacturer
Texas Instruments
Package / Case
Datasheet
Download
Description
SN54HCT138 3-LINE TO 8-LINE DECO
Stock
9
In Stock :
9

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Manufacturer :
Texas Instruments
Product Category :
Signal Switches, Multiplexers, Decoders
Supply Voltage-Min (Vsup) :
4.5 V
Terminal Form :
NO LEAD
Number of Pins :
20
Propagation Delay (tpd) :
54 ns
Package :
Tube
Seated Height-Max :
2.03 mm
High Level Output Current :
-4 mA
Thickness :
1.83 mm
Number of Terminals :
20
Series :
*
Surface Mount :
yes
Lifecycle Status :
Production (Last Updated: 1 week ago)
Input Conditioning :
Standard
Min Supply Voltage :
4.5 V
Quiescent Current :
80 µA
Pin Count :
20
Lead Free :
Contains Lead
Packing Method :
Tube
Peak Reflow Temperature (Cel) :
NOT SPECIFIED
Factory Lead Time :
1 Week
Power Supplies :
5 V
Terminal Position :
QUAD
Max Operating Temperature :
125 °C
Max Supply Voltage :
5.5 V
Packaging :
Rail/Tube
Logic Function :
Decoder, Demultiplexer
Number of Functions :
1
Min Operating Temperature :
-55 °C
Subcategory :
Decoder/Driver
Operating Supply Voltage :
5 V
Length :
8.89 mm
Manufacturer :
Texas
Power Supply Current-Max (ICC) :
0.08 mA
Max I(ol) :
0.004 A
Polarity :
Inverting
Additional Feature :
TWO ACTIVE-LOW AND ONE ACTIVE-HIGH ENABLE INPUTS
Package Shape :
Square
Number of Outputs :
8
Technology :
CMOS
Output Polarity :
INVERTED
Product Status :
Active
Reach Compliance Code :
not_compliant
JESD-30 Code :
S-CQCC-N20
Number of Bits :
8
Number of Inputs :
3
Propagation Delay :
54 ns
Qualification Status :
Qualified
Temperature Grade :
Military
HTS Code :
8542.39.00.01
Brand Name :
Texas
Low Level Output Current :
4 mA
Number of Channels :
1
Terminal Pitch :
1.27 mm
Width :
8.89 mm
Family :
HCT
Logic IC Type :
OTHER DECODER/DRIVER
Supply Voltage-Max (Vsup) :
5.5 V
Number of Elements :
1
Mount :
Surface Mount
Height :
0 m
ECCN Code :
EAR99
RoHS :
Compliant
Screening Level :
MIL-STD-883
Manufacturer Lifecycle Status :
ACTIVE (Last Updated: 1 week ago)
Datasheets
85504012A
Introducing Signal Switches, Multiplexers, Decoders Texas Instruments 85504012A from Chip IC,where excellence meets affordability. This product stands out with its Number of Pins:20, Number of Channels:1, 85504012A pinout, 85504012A datasheet PDF, 85504012A amp .Beyond Signal Switches, Multiplexers, Decoders Texas Instruments 85504012A ,we also offer 74HCT4514PW,112, SN74CB3T3245PWR, SN74CB3T3125RGYR, Our vast inventory has you covered. Contact us now for immediate solutions.

Texas Instruments 85504012A


[Signal Switches, Multiplexers, Decoders] Overview

This is the overview of the SN54HCT138 3LINE TO 8LINE DECO, manufactured by Texas Instruments. The SN54HCT138 is a high-speed CMOS device designed to take three binary weighted address inputs (A0, A1, A2) and provide eight mutually exclusive outputs (Y0 to Y7). It utilizes silicon-gate CMOS technology to achieve operating speeds similar to LSTTL with the low power consumption of standard CMOS integrated circuits. This decoder features fully static operation, which enables the freedom to operate the clock at any frequency without external components.

SN54HCT138 Features

  • High-speed CMOS technology
  • Three binary weighted address inputs
  • Eight mutually exclusive outputs
  • Low power consumption
  • Fully static operation
  • Wide operating voltage range: 2V to 6V
  • Buffered inputs
  • TTL compatibility
  • Minimal power consumption during standby
  • Pin-compatible with LS TTL for easy integration

SN54HCT138 Applications

  • Memory Address Decoding: The SN54HCT138 is commonly used in memory address decoding circuits in microprocessor-based systems. It interprets the binary address inputs and selects the appropriate memory location for read or write operations. Its high-speed operation and low power consumption make it ideal for efficient memory management in various electronic devices.
  • Peripheral Device Selection: In computer systems and embedded applications, the SN54HCT138 facilitates the selection of peripheral devices such as input/output ports, registers, or control units. By decoding the address inputs, it enables the system to communicate with specific peripherals, enhancing overall functionality and efficiency.
  • LED Display Multiplexing: LED display multiplexing circuits utilize the SN54HCT138 to control multiple LED segments or digits. By decoding the address inputs, the decoder determines which LED segment or digit to activate, allowing for dynamic and efficient display of alphanumeric characters, symbols, or graphics.
  • Signal Routing and Control: This decoder is employed in signal routing and control applications where multiple input signals need to be selectively routed to different output channels. It finds use in communication systems, audio/video equipment, and industrial automation for efficient signal management and distribution.
  • Automated Test Equipment (ATE): In ATE systems, the SN54HCT138 plays a vital role in signal routing and test pattern generation. It enables the selection of specific test points or signal paths, facilitating comprehensive testing and analysis of electronic components, printed circuit boards, and integrated circuits.
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