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Product Overview
The SN74HCT157N is a high-speed CMOS quad 2-input multiplexer from Texas Instruments, designed to select one of two 4-bit data sources under control of a common select input. It features TTL-compatible inputs, low power consumption, and operates over a wide voltage range. Housed in a 16-pin PDIP package, it is ideal for data routing and signal selection in digital systems.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
4.5 V to 5.5 V |
| Input Voltage (VI) |
0 V to VCC |
| Output Voltage (VO) |
0 V to VCC |
| High-Level Input Voltage (VIH) |
2 V (min) |
| Low-Level Input Voltage (VIL) |
0.8 V (max) |
| High-Level Output Current (IOH) |
-4 mA |
| Low-Level Output Current (IOL) |
4 mA |
| Propagation Delay (tpd) |
15 ns (typ) at VCC=5V, CL=50pF |
| Operating Temperature |
-40°C to +85°C |
| Package |
16-PDIP |
Key Features
- Quad 2-input multiplexer with common select and strobe
- TTL-compatible inputs
- Low power consumption (80-μA max ICC)
- High noise immunity (typically VNIH = VNIL = 28% VCC)
- Balanced propagation delays
- Wide operating voltage range
- Standard 16-pin PDIP package for easy prototyping
Target Applications
- Data routing in 5G base station control boards
- Signal selection in automotive dashboard displays
- Multiplexing in industrial PLCs
- Address decoding in memory systems
- Function selection in consumer electronics
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74HCT157N. 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
SN74HCT157N 是德州儀器推出的高速 CMOS 四路 2 輸入多路復用器,可在公共選擇輸入控制下選擇兩個 4 位數據源之一。它具有 TTL 兼容輸入、低功耗和寬工作電壓範圍。採用 16 引腳 PDIP 封裝,非常適合數字系統中的數據路由和信號選擇。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
4.5 V 至 5.5 V |
| 輸入電壓 (VI) |
0 V 至 VCC |
| 輸出電壓 (VO) |
0 V 至 VCC |
| 高電平輸入電壓 (VIH) |
2 V(最小值) |
| 低電平輸入電壓 (VIL) |
0.8 V(最大值) |
| 高電平輸出電流 (IOH) |
-4 mA |
| 低電平輸出電流 (IOL) |
4 mA |
| 傳播延遲 (tpd) |
15 ns(典型值,VCC=5V,CL=50pF) |
| 工作溫度 |
-40°C 至 +85°C |
| 封裝 |
16-PDIP |
核心特性
- 四路 2 輸入多路復用器,帶公共選擇和選通
- TTL 兼容輸入
- 低功耗(最大 ICC 80 μA)
- 高抗噪能力(典型 VNIH = VNIL = 28% VCC)
- 平衡的傳播延遲
- 寬工作電壓範圍
- 標準 16 引腳 PDIP 封裝,便於原型設計
典型應用場景
- 5G 基站控制板中的數據路由
- 汽車儀表盤顯示中的信號選擇
- 工業 PLC 中的多路復用
- 存儲器系統中的地址解碼
- 消費電子中的功能選擇
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 SN74HCT157N 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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