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Product Overview
The SN74HCT125N is a quad bus buffer gate with 3-state outputs from Texas Instruments, designed for 5V CMOS logic systems. It features four independent buffer gates with separate output enable controls, making it ideal for driving bus lines or buffering memory address registers. The device operates over a wide voltage range of 4.5V to 5.5V and offers high noise immunity and low power consumption. Housed in a 14-pin PDIP package, it is suitable for through-hole PCB assembly.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
4.5V to 5.5V |
| Input Voltage (VI) |
0V to 5.5V |
| Output Current (IO) |
±6 mA |
| Propagation Delay (tpd) |
15 ns (typical at 5V, 50pF) |
| Operating Temperature |
-40°C to +85°C |
| Package |
14-PDIP |
| Logic Family |
HCT |
| Number of Bits |
4 |
| Output Type |
3-State |
Key Features
- Wide operating voltage range: 4.5V to 5.5V
- High noise immunity: typical VNH = 0.7 VCC, VNL = 0.3 VCC
- Low power consumption: ICC max 80 µA
- 3-state outputs for bus-oriented applications
- Compatible with TTL levels
- ESD protection exceeds 2000 V per MIL-STD-883, Method 3015
Target Applications
- 5G base station control logic
- Automotive dashboard display drivers
- Industrial PLC I/O modules
- Medical equipment data buses
- Consumer electronics like smart home hubs
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74HCT125N. Our core advantages include:
-
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.
-
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
SN74HCT125N 是德州儀器推出的四路總線緩衝閘極,帶有三態輸出,專為 5V CMOS 邏輯系統設計。它具有四個獨立的緩衝閘極,每個閘極都有單獨的輸出使能控制,非常適合驅動總線或緩衝存儲器地址寄存器。該器件在 4.5V 至 5.5V 的寬電壓範圍內工作,具有高抗噪性和低功耗。採用 14 引腳 PDIP 封裝,適用於通孔 PCB 組裝。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
4.5V 至 5.5V |
| 輸入電壓 (VI) |
0V 至 5.5V |
| 輸出電流 (IO) |
±6 mA |
| 傳播延遲 (tpd) |
15 ns (典型值,5V,50pF) |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
14-PDIP |
| 邏輯系列 |
HCT |
| 位數 |
4 |
| 輸出類型 |
三態 |
核心特性
- 寬工作電壓範圍:4.5V 至 5.5V
- 高抗噪性:典型 VNH = 0.7 VCC,VNL = 0.3 VCC
- 低功耗:ICC 最大 80 µA
- 三態輸出,適用於總線應用
- 與 TTL 電平兼容
- ESD 保護超過 2000 V(符合 MIL-STD-883 方法 3015)
典型應用場景
- 5G 基站控制邏輯
- 汽車儀表盤顯示驅動
- 工業 PLC I/O 模塊
- 醫療設備數據總線
- 消費電子如智能家居中樞
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 SN74HCT125N 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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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。
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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。
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