SN74AC596BQBR TI Shift Register | 16-WQFN (2.5X3.5) | 8-bit, Serial-In Parallel-Out

Product Overview

The SN74AC596BQBR from Texas Instruments is a high-performance 8-bit shift register with output latches and 3-state outputs. It operates from 2V to 6V, making it suitable for a wide range of applications. The device features serial input (SER), serial output (QH'), and parallel outputs (QA-QH). The shift register and storage register have independent clocks (SRCLK and RCLK), allowing synchronous or asynchronous updates. The output enable (OE) pin controls the 3-state outputs, and the master reset (SRCLR) clears the shift register asynchronously. Packaged in a compact 16-WQFN (2.5x3.5mm), it is ideal for space-constrained designs.

Detailed Technical Specifications

Key Features

• 8-bit serial-in, parallel-out shift register with output latches
• 3-state outputs for bus-oriented applications
• Independent shift and storage clock inputs
• Asynchronous master reset (SRCLR) for shift register
• Output enable (OE) for high-impedance state
• Wide operating voltage range: 2V to 6V
• High drive capability: ±24 mA at 4.5V
• Low propagation delay: 7.5 ns typical at 5V
• Industrial temperature range: -40°C to +125°C
• Compact WQFN package for space-saving designs

Target Applications

The SN74AC596BQBR is ideal for applications requiring serial-to-parallel data conversion with output latching. Specific examples include:

• 5G base station control logic for antenna array configuration
• Automotive dashboard display drivers for segment control
• Industrial programmable logic controllers (PLCs) for I/O expansion
• LED matrix displays in signage and entertainment systems
• Data acquisition systems for sensor array multiplexing
• Consumer electronics like smart home hubs for GPIO expansion

Global Supply Chain & Wholesale Solutions

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產品概述

SN74AC596BQBR 是德州儀器（TI）推出的一款高性能8位移位寄存器，帶輸出鎖存器和三態輸出。工作電壓範圍為2V至6V，適用於多種應用場景。該器件具有串行輸入（SER）、串行輸出（QH'）和並行輸出（QA-QH）。移位寄存器和存儲寄存器具有獨立的時鐘（SRCLK和RCLK），支持同步或異步更新。輸出使能（OE）引腳控制三態輸出，主復位（SRCLR）可異步清除移位寄存器。採用緊湊的16-WQFN（2.5x3.5mm）封裝，適合空間受限的設計。

詳細技術參數

核心特性

• 8位串行輸入、並行輸出移位寄存器，帶輸出鎖存器
• 三態輸出，適用於總線應用
• 獨立的移位時鐘和存儲時鐘輸入
• 異步主復位（SRCLR）用於移位寄存器
• 輸出使能（OE）用於高阻抗狀態
• 寬工作電壓範圍：2V 至 6V
• 高驅動能力：±24 mA（4.5V）
• 低傳播延遲：5V時典型值7.5 ns
• 工業溫度範圍：-40°C 至 +125°C
• 緊湊的WQFN封裝，節省空間

典型應用場景

SN74AC596BQBR 適用於需要串行轉並行數據轉換並帶輸出鎖存的應用。具體示例包括：

• 5G基站控制邏輯，用於天線陣列配置
• 汽車儀表盤顯示驅動，用於段控制
• 工業可編程邏輯控制器（PLC）的I/O擴展
• LED矩陣顯示屏，用於標牌和娛樂系統
• 數據採集系統，用於傳感器陣列多路復用
• 消費電子產品，如智能家居中樞的GPIO擴展

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