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SN54HC194J TI Shift Register | 4-Bit Bidirectional, Parallel Load
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Product Overview
The SN54HC194J is a high-speed 4-bit bidirectional universal shift register from Texas Instruments, designed for use in a wide range of digital systems. It features parallel load, serial shift left/right, and hold operations. Fabricated with advanced silicon-gate CMOS technology, it offers low power consumption and high noise immunity, making it suitable for battery-powered and industrial applications. The device operates over a full military temperature range of -55°C to +125°C and is available in a 16-pin CDIP package.
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) | 3.15V min (at VCC=4.5V) |
| Low-Level Input Voltage (VIL) | 1.35V max (at VCC=4.5V) |
| High-Level Output Current (IOH) | -4mA (at VCC=4.5V) |
| Low-Level Output Current (IOL) | 4mA (at VCC=4.5V) |
| Propagation Delay (tpd) | 15ns typ (at VCC=5V, CL=50pF) |
| Input Capacitance (Ci) | 3pF typ |
| Operating Temperature | -55°C to +125°C |
Key Features
- 4-bit bidirectional universal shift register
- Parallel load capability
- Serial shift left and right
- Hold (no change) mode
- Wide operating voltage range: 2V to 6V
- High noise immunity: typical VNIH = VNIL = 28% VCC
- Low power consumption: 80-μA max ICC
- ±4-mA output drive at 5V
- Balanced propagation delays
- Schmitt-triggered clock input for slow rise/fall times
- Military temperature range
Target Applications
- 5G base station control logic
- Automotive dashboard display drivers
- Industrial automation PLCs
- Medical imaging equipment
- Data communication serial-to-parallel conversion
- LED matrix display controllers
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for SN54HC194J. Our core advantages include:
- 24/7 Global Customer Support: Professional team providing instant quotes and technical support worldwide.
- In-stock Inventory, Same-day Shipping: We maintain localized stock; orders confirmed before 4 PM are shipped the same day.
- HK-SZ Synergy, Flexible Settlement: Direct global shipping from Shenzhen with support for HK bank transfers and multi-currency.
- Escrow Secured Transactions: We support Escrow.com for secure transactions, ensuring peace of mind for batch orders.
- 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.
- 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
SN54HC194J 是德州儀器（TI）推出的一款高速4位雙向通用移位寄存器，適用於各種數字系統。它具有並行加載、串行左/右移位和保持操作功能。採用先進的硅柵CMOS工藝製造，功耗低、抗干擾能力強，適合電池供電和工業應用。該器件可在-55°C至+125°C的軍用溫度範圍內工作，採用16引腳CDIP封裝。
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) | 最小值 3.15V (VCC=4.5V) |
| 低電平輸入電壓 (VIL) | 最大值 1.35V (VCC=4.5V) |
| 高電平輸出電流 (IOH) | -4mA (VCC=4.5V) |
| 低電平輸出電流 (IOL) | 4mA (VCC=4.5V) |
| 傳播延遲 (tpd) | 典型值 15ns (VCC=5V, CL=50pF) |
| 輸入電容 (Ci) | 典型值 3pF |
| 工作溫度 | -55°C 至 +125°C |
核心特性
- 4位雙向通用移位寄存器
- 並行加載功能
- 串行左移和右移
- 保持（不變）模式
- 寬工作電壓範圍：2V 至 6V
- 高抗干擾能力：典型 VNIH = VNIL = 28% VCC
- 低功耗：最大 ICC 80μA
- 5V 時 ±4mA 輸出驅動
- 平衡的傳播延遲
- 施密特觸發時鐘輸入，適應緩慢上升/下降時間
- 軍用溫度範圍
典型應用場景
- 5G基站控制邏輯
- 汽車儀表盤顯示驅動
- 工業自動化PLC
- 醫療影像設備
- 數據通信串並轉換
- LED矩陣顯示控制器
環球供應鏈與批發合作夥伴方案
在 Jasin Chip，我們為 SN54HC194J 提供全面的供應鏈與批發解決方案。 我們的核心優勢包括：
- 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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