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Product Overview
The SN74HCS237PWR from Texas Instruments is a high-speed CMOS 3-to-8 line decoder/demultiplexer with active-low outputs. It is designed for memory decoding, data routing, and general-purpose logic applications. The device operates over a wide voltage range of 2V to 6V, making it suitable for battery-powered and industrial systems. It features Schmitt-trigger inputs for noise immunity and low power consumption.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
2V to 6V |
| Input Voltage (VI) |
0V to VCC |
| Output Voltage (VO) |
0V to VCC |
| High-Level Input Voltage (VIH) |
0.7 × VCC (min) |
| Low-Level Input Voltage (VIL) |
0.3 × VCC (max) |
| High-Level Output Current (IOH) |
-4 mA (at 5V) |
| Low-Level Output Current (IOL) |
4 mA (at 5V) |
| Propagation Delay (tpd) |
10 ns (typical at 5V, 15pF) |
| Input Capacitance (Ci) |
3 pF (typical) |
| Operating Temperature |
-40°C to +125°C |
| Package |
16-TSSOP |
Key Features
- Wide operating voltage range: 2V to 6V
- Schmitt-trigger inputs for slow or noisy signals
- Low power consumption: ICC typically 1 µA
- High noise immunity: VNIL = 30% VCC, VNIH = 30% VCC
- 3-to-8 line decoder/demultiplexer with active-low outputs
- Outputs can drive up to 4 mA at 5V
- ESD protection exceeds 2000V HBM
- Available in 16-TSSOP package for space-saving designs
Target Applications
- Memory decoding in 5G base station control boards
- Data routing in automotive dashboard displays
- Address decoding in industrial PLCs
- Signal demultiplexing in IoT edge gateways
- General-purpose logic in battery-powered instruments
Global Supply Chain & Wholesale Solutions
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SN74HCS237PWR. Our core advantages include:
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and seals to ensure ESD protection and physical integrity.
產品概述
SN74HCS237PWR 是德州儀器 (TI) 的一款高速 CMOS 3 線轉 8 線解碼器/多路分配器,具有低電平有效輸出。該器件專為存儲器解碼、數據路由和通用邏輯應用而設計。它可在 2V 至 6V 的寬電壓範圍內工作,適用於電池供電和工業系統。其施密特觸發輸入具有抗噪能力,功耗低。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
2V 至 6V |
| 輸入電壓 (VI) |
0V 至 VCC |
| 輸出電壓 (VO) |
0V 至 VCC |
| 高電平輸入電壓 (VIH) |
0.7 × VCC (最小值) |
| 低電平輸入電壓 (VIL) |
0.3 × VCC (最大值) |
| 高電平輸出電流 (IOH) |
-4 mA (在 5V 時) |
| 低電平輸出電流 (IOL) |
4 mA (在 5V 時) |
| 傳播延遲 (tpd) |
10 ns (典型值,5V,15pF) |
| 輸入電容 (Ci) |
3 pF (典型值) |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
16-TSSOP |
核心特性
- 寬工作電壓範圍:2V 至 6V
- 施密特觸發輸入,適用於緩慢或噪聲信號
- 低功耗:ICC 典型值 1 µA
- 高抗噪能力:VNIL = 30% VCC,VNIH = 30% VCC
- 3 線轉 8 線解碼器/多路分配器,低電平有效輸出
- 輸出可驅動 4 mA (在 5V 時)
- ESD 保護超過 2000V HBM
- 採用 16-TSSOP 封裝,節省空間
典型應用場景
- 5G 基站控制板中的存儲器解碼
- 汽車儀表盤顯示中的數據路由
- 工業 PLC 中的地址解碼
- 物聯網邊緣網關中的信號多路分配
- 電池供電儀器中的通用邏輯
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