SN74AHCT573PWR TI Latches | 20-TSSOP | 8-Bit D-Type, 3-State

Product Overview

The SN74AHCT573PWR from Texas Instruments is an octal transparent D-type latch with 3-state outputs. It operates with a supply voltage range of 4.5V to 5.5V, making it suitable for 5V systems. The device features non-inverting outputs and is designed for high-drive capability, with typical output current of ±8 mA. The 3-state outputs allow for bus-oriented applications, enabling multiple devices to share a common data bus. The latch is transparent when the latch enable (LE) input is high, and latches data when LE goes low. The output enable (OE) input controls the 3-state outputs, allowing for high-impedance states when OE is high. The SN74AHCT573PWR is packaged in a 20-pin TSSOP, offering a compact solution for space-constrained designs.

Detailed Technical Specifications

Key Features

• 8-bit transparent D-type latch with 3-state outputs
• Wide supply voltage range: 4.5V to 5.5V
• High drive capability: ±8 mA output current
• Fast propagation delay: 8.5 ns typical at 5V
• 3-state outputs for bus-oriented applications
• Inputs are TTL-voltage compatible
• ESD protection exceeds 2000V per MIL-STD-883, Method 3015
• Packaged in small 20-TSSOP for space-saving

Target Applications

• 5G base station control logic
• Automotive dashboard display interfaces
• 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

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產品概述

SN74AHCT573PWR 是德州儀器 (TI) 生產的八路透明 D 型鎖存器，具有三態輸出。工作電源電壓範圍為 4.5V 至 5.5V，適用於 5V 系統。該器件具有同相輸出，並設計為高驅動能力，典型輸出電流為 ±8 mA。三態輸出允許總線導向應用，使多個器件共享公共數據總線。當鎖存使能 (LE) 輸入為高電平時，鎖存器透明；當 LE 變低時，鎖存數據。輸出使能 (OE) 輸入控制三態輸出，當 OE 為高電平時允許高阻抗狀態。SN74AHCT573PWR 採用 20 引腳 TSSOP 封裝，為空間受限的設計提供緊湊解決方案。

詳細技術參數

核心特性

• 八路透明 D 型鎖存器，帶三態輸出
• 寬電源電壓範圍：4.5V 至 5.5V
• 高驅動能力：±8 mA 輸出電流
• 快速傳播延遲：典型 8.5 ns (5V)
• 三態輸出適用於總線導向應用
• 輸入與 TTL 電壓兼容
• ESD 保護超過 2000V (MIL-STD-883, Method 3015)
• 小型 20-TSSOP 封裝，節省空間

典型應用場景

• 5G 基站控制邏輯
• 汽車儀表板顯示接口
• 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

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