Instrukcja obsługi Texas Instruments SN74HC259N


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SNx4HC259 8-Bit Addressable Latches
1 Features
Wide operating voltage range of 2 V to 6 V
High-current inverting outputs drive up to 10
LSTTL loads
Low power consumption, 80-μA max ICC
Typical tpd = 14 ns
±4-mA output drive at 5 V
Low input current of 1 μA max
8-bit parallel-out storage register performs serial-
to-parallel conversion with storage
Asynchronous parallel clear
Active-high decoder
Enable input simplifies expansion
Expandable for n-bit applications
Four distinct functional modes
2 Description
These 8-bit addressable latches are designed
for general-purpose storage applications in digital
systems. Specific uses include working registers,
serial-holding registers, and active-high decoders
or demultiplexers. They are multifunctional devices
capable of storing single-line data in eight
addressable latches and being a 1-of-8 decoder or
demultiplexer with active-high outputs.
Device Information
PART NUMBER PACKAGE(1) BODY SIZE (NOM)
SN74HC259D SOIC (16) 9.90 mm × 3.90 mm
SN74HC259N PDIP (16) 19.31 mm × 6.35 mm
SN74HC259NS SO (16) 6.20 mm × 5.30 mm
SN74HC259PW TSSOP (16) 5.00 mm × 4.40 mm
SN54HC259J CDIP (16) 24.38 mm × 6.92 mm
SNJ54HC259FK LCCC (20) 8.89 mm × 8.45 mm
(1) For all available packages, see the orderable addendum at
the end of the document.
Pin numbers are for the D, J, N, NS, PW, and W packages.
Functional Block Diagram
SN54HC259, SN74HC259
SCLS134F – DECEMBER 1982 – REVISED MARCH 2022
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: SN74HC259N

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