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Product Overview
The SN74HC259DT is a high-speed 8-bit addressable latch from Texas Instruments, designed for general-purpose storage and data routing applications. It features eight latches with common data input and individual address inputs, allowing selection of one of eight outputs for latching. The device operates over a wide supply voltage range of 2V to 6V, making it suitable for battery-powered and industrial systems. Housed in a compact 16-SOIC package, it offers low power consumption and high noise immunity typical of HC CMOS logic.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
2V to 6V |
| High-Level Input Voltage (VIH) |
3.15V min (at VCC=4.5V) |
| Low-Level Input Voltage (VIL) |
1.35V max (at VCC=4.5V) |
| High-Level Output Current (IOH) |
-5.2mA (at VCC=4.5V) |
| Low-Level Output Current (IOL) |
5.2mA (at VCC=4.5V) |
| Propagation Delay (tpd) |
15ns typ (at VCC=4.5V, CL=50pF) |
| Input Capacitance |
3pF typ |
| Operating Temperature |
-40°C to +85°C |
| Package |
16-SOIC |
Key Features
- 8-bit addressable latch with common data input
- Individual address inputs for selecting one of eight outputs
- Wide operating voltage range: 2V to 6V
- High noise immunity: typical VNIH/VNIL = 28% of VCC
- Low power consumption: 80µA max ICC
- Balanced propagation delays and transition times
- Compatible with TTL levels
- ESD protection exceeds 2000V per MIL-STD-883, Method 3015
Target Applications
- 5G base station control logic for antenna switching
- Automotive dashboard display data routing
- Industrial PLC I/O expansion modules
- Medical device parameter storage (e.g., patient monitors)
- Consumer electronics: smart home hubs, gaming consoles
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74HC259DT. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
quotes and technical support worldwide.
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In-stock Inventory, Same-day Shipping: We maintain localized stock;
orders confirmed before 4 PM are shipped the same day.
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HK-SZ Synergy, Flexible Settlement: Direct global shipping from
Shenzhen with support for HK bank transfers and multi-currency.
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Escrow Secured Transactions: We support Escrow.com for secure
transactions, ensuring peace of mind for batch orders.
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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.
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100% Original & Authentic: All components are guaranteed to
be authentic with strict quality control.
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RoHS Compliant: All electronic components comply with international
environmental and safety standards.
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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
SN74HC259DT 是德州儀器的一款高速8位可尋址鎖存器,適用於通用存儲和數據路由應用。它具有八個鎖存器,共用數據輸入和獨立地址輸入,可選擇八個輸出之一進行鎖存。該器件在 2V 至 6V 的寬電源電壓範圍內工作,適合電池供電和工業系統。採用緊湊的 16-SOIC 封裝,具有 HC CMOS 邏輯典型的低功耗和高抗噪性。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
2V 至 6V |
| 高電平輸入電壓 (VIH) |
最小值 3.15V (VCC=4.5V 時) |
| 低電平輸入電壓 (VIL) |
最大值 1.35V (VCC=4.5V 時) |
| 高電平輸出電流 (IOH) |
-5.2mA (VCC=4.5V 時) |
| 低電平輸出電流 (IOL) |
5.2mA (VCC=4.5V 時) |
| 傳播延遲 (tpd) |
典型值 15ns (VCC=4.5V, CL=50pF) |
| 輸入電容 |
典型值 3pF |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
16-SOIC |
核心特性
- 8位可尋址鎖存器,共用數據輸入
- 獨立地址輸入,可選擇八個輸出之一
- 寬工作電壓範圍:2V 至 6V
- 高抗噪性:典型 VNIH/VNIL = 28% VCC
- 低功耗:最大 ICC 80µA
- 平衡的傳播延遲和轉換時間
- 兼容 TTL 電平
- ESD 保護超過 2000V(MIL-STD-883 方法 3015)
典型應用場景
- 5G 基站天線切換控制邏輯
- 汽車儀表板顯示數據路由
- 工業 PLC I/O 擴展模塊
- 醫療設備參數存儲(如病人監護儀)
- 消費電子:智能家居中樞、遊戲機
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 SN74HC259DT 提供全面的供應鏈與批發解決方案。
我們的核心優勢包括:
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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。
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