Instrukcja obsługi Texas Instruments SN74HC138D


Przeczytaj poniżej 📖 instrukcję obsługi w języku polskim dla Texas Instruments SN74HC138D (34 stron) w kategorii Niesklasyfikowane. Ta instrukcja była pomocna dla 6 osób i została oceniona przez 3.5 użytkowników na średnio 5.0 gwiazdek

Strona 1/34
SNx4HC138 3-Line To 8-Line Decoders/Demultiplexers
1 Features
Targeted Specifically for High-Speed Memory
Decoders and Data-Transmission Systems
Wide Operating Voltage Range (2 V to 6 V)
Outputs Can Drive Up To 10 LSTTL Loads
Low Power Consumption, 80-µA Maximum ICC
Typical tpd = 15 ns
±4-mA Output Drive at 5 V
Low Input Current of 1-µA Maximum
Active Low Outputs ( Selected Output is Low)
Incorporate Three Enable Inputs to Simplify
Cascading or Data Reception
2 Applications
LED Displays
• Servers
White Goods
Power Infrastructure
Building Automation
Factory Automation
3 Description
The SNx4HC138 devices are designed to be used
in high-performance memory-decoding or data-routing
applications requiring very short propagation delay
times. In high-performance memory systems, these
decoders can be used to minimize the effects of
system decoding. When employed with high-speed
memories using a fast enable circuit, the delay times
of these decoders and the enable time of the memory
are usually less than the typical access time of the
memory. This means that the effective system delay
introduced by the decoders is negligible.
Device Information
PART NUMBER PACKAGE(1) BODY SIZE (NOM)
SN74HC138D SOIC (16) 9.90 mm x 3.90 mm
SN74HC138DB SSOP (16) 6.20 mm x 5.30 mm
SN74HC138N PDIP (16) 19.32 mm x 6.35 mm
SN74HC138NS SO (16) 10.20 mm x 5.30 mm
SN74HC138PW TSSOP (16) 5.00 mm x 4.40 mm
SN54HC138J CDIP (16) 21.34 mm x 6.92 mm
SN54HC138W CFP (16) 10.16 mm x 6.73 mm
SN54HC138FK LCCC (20) 8.89 mm x 8.89 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Pin numbers shown are for the D, DB, J, N, NS, PW, and W packages.
Functional Block DIagram
SN54HC138, SN74HC138
SCLS107G – DECEMBER 1982 – REVISED OCTOBER 2021
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.


Specyfikacje produktu

Marka: Texas Instruments
Kategoria: Niesklasyfikowane
Model: SN74HC138D

Potrzebujesz pomocy?

Jeśli potrzebujesz pomocy z Texas Instruments SN74HC138D, zadaj pytanie poniżej, a inni użytkownicy Ci odpowiedzą