SN74HCT573DWR TI Latches | 20-SOIC | 8-Bit D-Type, 3-State Output

Product Overview

The SN74HCT573DWR from Texas Instruments is an octal transparent D-type latch with 3-state outputs. It operates with a wide supply voltage range of 4.5V to 5.5V, making it ideal for 5V logic systems. The device features eight latches with non-inverting outputs, controlled by a latch enable (LE) and output enable (OE) input. When LE is high, the outputs follow the data inputs; when LE goes low, the data is latched. The OE input controls the 3-state outputs, allowing connection to bus-oriented systems. The SN74HCT573DWR is housed in a 20-pin SOIC package, offering a compact solution for high-density designs.

Detailed Technical Specifications

Key Features

• 8-bit transparent D-type latch with 3-state outputs
• Wide operating voltage range: 4.5V to 5.5V
• High-speed propagation delay: 15 ns max at 5V
• Low power consumption: ICC max 80 µA
• 3-state outputs for bus-oriented applications
• Inputs are TTL-voltage compatible
• Outputs drive up to 10 LSTTL loads
• ESD protection exceeds 2000V per MIL-STD-883

Target Applications

• 5G base station control logic
• Automotive dashboard display drivers
• Industrial programmable logic controllers (PLCs)
• Data acquisition systems
• Memory address latching in embedded systems
• Bus interface for microcontrollers and FPGAs

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for SN74HCT573DWR. Our core advantages include:

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• Original Factory Packaging: We maintain original factory packaging and seals to ensure ESD protection and physical integrity.

產品概述

SN74HCT573DWR 是德州儀器（TI）生產的八路透明 D 型鎖存器，具有三態輸出。它支持 4.5V 至 5.5V 的寬電源電壓範圍，非常適合 5V 邏輯系統。該器件包含八個帶同相輸出的鎖存器，由鎖存使能（LE）和輸出使能（OE）輸入控制。當 LE 為高電平時，輸出跟隨數據輸入；當 LE 變為低電平時，數據被鎖存。OE 輸入控制三態輸出，便於連接總線系統。SN74HCT573DWR 採用 20 引腳 SOIC 封裝，為高密度設計提供緊湊解決方案。

詳細技術參數

核心特性

• 8 位透明 D 型鎖存器，帶三態輸出
• 寬工作電壓範圍：4.5V 至 5.5V
• 高速傳播延遲：5V 時最大 15 ns
• 低功耗：ICC 最大 80 µA
• 三態輸出，適用於總線應用
• 輸入與 TTL 電壓兼容
• 輸出可驅動多達 10 個 LSTTL 負載
• ESD 保護超過 2000V（MIL-STD-883）

典型應用場景

• 5G 基站控制邏輯
• 汽車儀表盤顯示驅動
• 工業可編程邏輯控制器（PLC）
• 數據採集系統
• 嵌入式系統中的存儲器地址鎖存
• 微控制器和 FPGA 的總線接口

環球供應鏈與批發合作夥伴方案

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