Használati útmutató 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 NUMBERPACKAGE(1) BODY SIZE (NOM)

SN74HC259DSOIC (16)9.90 mm × 3.90 mm

SN74HC259NPDIP (16)19.31 mm × 6.35 mm

SN74HC259NSSO (16)6.20 mm × 5.30 mm

SN74HC259PWTSSOP (16)5.00 mm × 4.40 mm

SN54HC259JCDIP (16)24.38 mm × 6.92 mm

SNJ54HC259FKLCCC (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.

Termékspecifikációk