SN74HCS259DYYR

$0.15

Description：8-BIT ADDRESSABLE LATCHES
Series：74HCS
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:2f95231d6752 Category: Latches Brand: Texas Instruments

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Product introduction

Product Detailed Parameters

Description：8-BIT ADDRESSABLE LATCHES
Series：74HCS
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Logic Type：D-Type, Addressable
Circuit：1:08
Output Type：Standard
Voltage - Supply：2V ~ 6V
Independent Circuits：1
Delay Time - Propagation：6ns
Current - Output High, Low：7.8mA, 7.8mA
Operating Temperature：-40°C ~ 125°C
Mounting Type：Surface Mount
Package / Case：SOT-23-16 Thin, SOT-23 Variant
Supplier Device Package：16-SOT-23-THIN
Grade：-
Qualification：-

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SN74HCS259DYYR

Overview

The SN74HCS259DYYR is an automotive-grade, 8-bit addressable latch from the SNx4HC259 family. It operates within a supply voltage range of 2 V to 6 V and supports an operating temperature range of -40°C to +125°C. The device features high-current inverting outputs capable of driving up to 10 LSTTL loads, with typical propagation delays of 14 ns. It includes asynchronous parallel clear functionality and an enable input for expansion. The component is housed in a 16-pin SOT-23-THIN package.

Feature Summary

Provides eight addressable latches for serial-to-parallel data conversion and storage
Functions as a 1-of-8 decoder or demultiplexer with active-high outputs
Features Schmitt-trigger inputs for improved noise immunity
Supports four distinct functional modes controlled by clear and enable inputs

Applications

Working registers in digital systems
Serial-holding registers
Active-high decoders or demultiplexers
General-purpose storage applications in automotive electronics

Procurement Notes

Verify that the specific part number matches the required automotive grade (Q1) and package type (SOT-23-THIN). Confirm RoHS compliance and lead finish specifications against the latest manufacturer documentation. Ensure the ordering suffix aligns with the desired tape and reel quantity and moisture sensitivity level ratings.

Selection Notes

Select this component when an 8-bit addressable latch with Schmitt-trigger inputs is required for automotive environments. It is suitable for designs needing wide voltage operation and high output drive capability. Consider the SOT-23-THIN package constraints regarding thermal dissipation and board space compared to standard SOIC or PDIP options.

Part Context

This device belongs to the SNx4HC259 series of 8-bit addressable latches. It is part of Texas Instruments' HCS logic family, which integrates Schmitt-trigger inputs for enhanced performance in noisy environments. The SN74HCS259DYYR specifically targets automotive applications requiring extended temperature ranges and robust signal integrity.