SN74LS540DBR TI Buffer/Driver | 20-SSOP | 8-Ch, Inverting, 3-State

Product Overview

The SN74LS540DBR is a high-performance octal buffer and line driver from Texas Instruments, designed with 3-state outputs and inverting logic. It is part of the 74LS family, offering low power consumption and high noise immunity. The device is housed in a compact 20-SSOP package, making it suitable for space-constrained applications. It operates over a wide voltage range and provides high drive capability for bus-oriented systems.

Detailed Technical Specifications

Key Features

• 8-bit inverting buffer/line driver with 3-state outputs
• Low power consumption: typical 45 mW
• High drive capability: can drive up to 15 LSTTL loads
• Wide operating voltage range: 4.75V to 5.25V
• Input clamp diodes for improved noise margin
• Compatible with TTL and CMOS logic levels
• Available in 20-SSOP package for space-saving designs

Target Applications

The SN74LS540DBR is ideal for use in bus-oriented systems, memory address drivers, and data transmission lines. Specific applications include:

• 5G base station control boards for signal buffering
• Automotive dashboard display drivers
• Industrial PLC (Programmable Logic Controller) I/O modules
• Telecommunications equipment for data bus isolation
• Server and networking equipment for address/data line driving

Global Supply Chain & Wholesale Solutions

At Jasin Chip, we provide professional supply chain and wholesale solutions for SN74LS540DBR. Our core advantages include:

• 24/7 Global Customer Support: Professional team providing instant quotes and technical support worldwide.
• In-stock Inventory, Same-day Shipping: We maintain localized stock; orders confirmed before 4 PM are shipped the same day.
• HK-SZ Synergy, Flexible Settlement: Direct global shipping from Shenzhen with support for HK bank transfers and multi-currency.
• Escrow Secured Transactions: We support Escrow.com for secure transactions, ensuring peace of mind for batch orders.
• BOM Kitting & Sampling Services: Specialized sourcing for testing samples and urgent shortage components.

Quality Assurance & Compliance

Jasin Chip guarantees that all delivered products are 100% original factory stock with full quality assurance and traceability.

• 100% Original & Authentic: All components are guaranteed to be authentic with strict quality control.
• RoHS Compliant: All electronic components comply with international environmental and safety standards.
• Original Factory Packaging: We maintain original factory packaging and seals to ensure ESD protection and physical integrity.

產品概述

SN74LS540DBR 是德州儀器 (TI) 生產的高性能八路緩衝器和線路驅動器，具有三態輸出和反相邏輯。作為 74LS 系列的一員，它提供低功耗和高抗噪性。器件採用緊湊的 20-SSOP 封裝，適合空間受限的應用。它在寬電壓範圍內工作，並為總線系統提供高驅動能力。

詳細技術參數

核心特性

• 8位反相緩衝器/線路驅動器，帶三態輸出
• 低功耗：典型 45 mW
• 高驅動能力：可驅動多達 15 個 LSTTL 負載
• 寬工作電壓範圍：4.75V 至 5.25V
• 輸入箝位二極管，改善噪聲容限
• 兼容 TTL 和 CMOS 邏輯電平
• 採用 20-SSOP 封裝，節省空間

典型應用場景

SN74LS540DBR 非常適合用於總線系統、存儲器地址驅動器和數據傳輸線路。具體應用包括：

• 5G 基站控制板的信號緩衝
• 汽車儀表盤顯示驅動器
• 工業 PLC I/O 模塊
• 電信設備的數據總線隔離
• 服務器和網絡設備的地址/數據線驅動

環球供應鏈與批發合作夥伴方案

在 Jasin Chip，我們為 SN74LS540DBR 提供全面的供應鏈與批發解決方案。 我們的核心優勢包括：

• 全天候環球客戶支援：專業團隊為您提供即時報價及技術支援，無需漫長等待。
• 現貨庫存，即日發貨：確保現貨充足。下午 4 點前確認訂單，即可安排當天寄出。
• 深港聯動，結算靈活：深圳直發全球，物流高效可靠；支援香港銀行戶口轉賬及多幣種結算。
• Escrow 擔保交易：支援 Escrow.com 平台交易，保障買賣雙方權益，小批量訂單亦可安心在線下單。
• BOM 配單與樣板服務：提供樣板測試及認證支援。專注一站式 BOM 配套及緊急缺料採購服務。

品質保證與合規

Jasin Chip 承諾所有出貨產品均為原廠正貨，具備完善的品質保證及產品可追溯性。

• 100% 原廠正貨：承諾所有供應零件均為原裝現貨，品質嚴格把關，來源清晰可追溯。
• 符合 RoHS 認證：所有電子元器件均符合國際環保標準及相關安全認證。
• 原廠封裝保護：嚴格保留原廠原始包裝及封條，確保物流過程中的靜電防護 (ESD) 與物理安全。

以上產品均為原廠正貨，提供 BOM 配單及現貨庫存支援，歡迎查詢。

HONG KONG JASIN SEMICONDUCTOR TECHNOLOGY COMPANY LIMITED
Trusted Partner for Automotive, Industrial, and Hard-to-find Components.
WhatsApp: +852 5209 9691 | Email: [email protected]