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SN74HC595NSR TI Shift Register | 16-SO | 8-bit, Serial-In Parallel-Out
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Product Overview
The SN74HC595NSR from Texas Instruments is an 8-bit serial-in, parallel-out shift register with output latches. It operates over a wide voltage range of 2 V to 6 V, making it suitable for various logic-level applications. The device features a storage register and a shift register, allowing data to be shifted in serially and latched to the outputs simultaneously. The SN74HC595NSR is housed in a 16-pin SO package (NSR suffix) and is characterized for operation from -40°C to +85°C.
Detailed Technical Specifications
| Parameter | Value |
|---|---|
| Supply Voltage (VCC) | 2 V to 6 V |
| Input Voltage (VI) | 0 V to VCC |
| Output Voltage (VO) | 0 V to VCC |
| High-Level Output Current (IOH) | -6 mA (max) |
| Low-Level Output Current (IOL) | 6 mA (max) |
| Clock Frequency (fclock) | 25 MHz (max at 4.5 V) |
| Propagation Delay (tpd) | 15 ns (typ at 4.5 V) |
| Operating Temperature | -40°C to +85°C |
| Package | 16-SO (NSR) |
Key Features
- 8-bit serial-in, parallel-out shift register
- Output latches for simultaneous data update
- Wide operating voltage range: 2 V to 6 V
- High noise immunity: typical VOH = VCC - 0.1 V at 6 mA
- Low power consumption: 80 µA max ICC
- Direct clear input for resetting shift register
- Three-state output for bus-oriented applications
- Compatible with TTL and CMOS logic levels
Target Applications
The SN74HC595NSR is ideal for expanding digital outputs in microcontroller-based systems. Specific applications include:
- LED display drivers in 5G base station status panels
- Segment display control in automotive dashboard clusters
- GPIO expansion in industrial PLCs
- Serial-to-parallel conversion in data acquisition systems
- Control of multiple relays in home automation hubs
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for SN74HC595NSR. Our core advantages include:
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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
SN74HC595NSR 是德州儀器（TI）生產的8位串行輸入、並行輸出移位寄存器，帶有輸出鎖存器。該器件在2 V至6 V的寬電壓範圍內工作，適用於各種邏輯電平應用。它包含一個存儲寄存器與一個移位寄存器，可實現數據串行移入並同時鎖存至輸出端。SN74HC595NSR 採用16引腳SO封裝（NSR後綴），工作溫度範圍為-40°C至+85°C。
詳細技術參數
| 參數 | 數值 |
|---|---|
| 電源電壓 (VCC) | 2 V 至 6 V |
| 輸入電壓 (VI) | 0 V 至 VCC |
| 輸出電壓 (VO) | 0 V 至 VCC |
| 高電平輸出電流 (IOH) | 最大 -6 mA |
| 低電平輸出電流 (IOL) | 最大 6 mA |
| 時鐘頻率 (fclock) | 最大 25 MHz (4.5 V時) |
| 傳播延遲 (tpd) | 典型 15 ns (4.5 V時) |
| 工作溫度 | -40°C 至 +85°C |
| 封裝 | 16-SO (NSR) |
核心特性
- 8位串行輸入、並行輸出移位寄存器
- 輸出鎖存器，可同時更新數據
- 寬工作電壓範圍：2 V 至 6 V
- 高抗噪性：典型 VOH = VCC - 0.1 V (6 mA時)
- 低功耗：最大 ICC 80 µA
- 直接清零輸入，用於復位移位寄存器
- 三態輸出，適用於總線應用
- 兼容TTL和CMOS邏輯電平
典型應用場景
SN74HC595NSR 非常適合在微控制器系統中擴展數字輸出。具體應用包括：
- 5G基站狀態面板中的LED顯示驅動
- 汽車儀表盤集群中的段碼顯示控制
- 工業PLC中的GPIO擴展
- 數據採集系統中的串行轉並行轉換
- 智能家居中樞中的多繼電器控制
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