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Product Overview
The CD74HC670E from Texas Instruments is a high-speed CMOS 4-word by 4-bit register file. It features independent read and write operations, making it ideal for temporary data storage in digital systems. The device operates over a wide supply voltage range of 2V to 6V and offers high noise immunity and low power consumption. Packaged in a 16-pin PDIP, it is suitable for through-hole mounting in various applications.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
2V to 6V |
| High-Level Input Voltage (VIH) |
3.15V min (at VCC=4.5V) |
| Low-Level Input Voltage (VIL) |
0.9V max (at VCC=4.5V) |
| High-Level Output Current (IOH) |
-4 mA (at VCC=4.5V) |
| Low-Level Output Current (IOL) |
4 mA (at VCC=4.5V) |
| Propagation Delay (tpd) |
15 ns typ (at VCC=5V, CL=50pF) |
| Input Capacitance |
10 pF typ |
| Operating Temperature |
-55°C to +125°C |
| Package |
16-PDIP |
Key Features
- High-speed CMOS technology
- 4-word by 4-bit register file with separate read and write addresses
- Three-state outputs for bus-oriented systems
- Wide operating voltage range: 2V to 6V
- High noise immunity: typical VNH = VNL = 28% of VCC
- Low power consumption: 80 µA max ICC
- Output drive capability: 4 mA at 5V
- Balanced propagation delays
- Standardized symmetrical output characteristics
Target Applications
- 5G base station control logic
- Automotive dashboard display controllers
- Industrial programmable logic controllers (PLCs)
- Data buffering in communication systems
- Register file in microprocessor-based systems
- Memory mapping in embedded systems
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
CD74HC670E. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
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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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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
CD74HC670E 是德州儀器(TI)的一款高速 CMOS 4字×4位寄存器文件。它具有獨立的讀寫操作,非常適合數字系統中的臨時數據存儲。該器件在 2V 至 6V 的寬電源電壓範圍內工作,具有高抗噪聲能力和低功耗。採用 16 引腳 PDIP 封裝,適用於通孔安裝。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
2V 至 6V |
| 高電平輸入電壓 (VIH) |
最小值 3.15V (VCC=4.5V 時) |
| 低電平輸入電壓 (VIL) |
最大值 0.9V (VCC=4.5V 時) |
| 高電平輸出電流 (IOH) |
-4 mA (VCC=4.5V 時) |
| 低電平輸出電流 (IOL) |
4 mA (VCC=4.5V 時) |
| 傳播延遲 (tpd) |
典型值 15 ns (VCC=5V, CL=50pF) |
| 輸入電容 |
典型值 10 pF |
| 工作溫度 |
-55°C 至 +125°C |
| 封裝 |
16-PDIP |
核心特性
- 高速 CMOS 技術
- 4字×4位寄存器文件,具有獨立的讀寫地址
- 三態輸出,適用於總線系統
- 寬工作電壓範圍:2V 至 6V
- 高抗噪聲能力:典型 VNH = VNL = 28% VCC
- 低功耗:最大 ICC 80 µA
- 輸出驅動能力:5V 時 4 mA
- 平衡的傳播延遲
- 標準化對稱輸出特性
典型應用場景
- 5G 基站控制邏輯
- 汽車儀表盤顯示控制器
- 工業可編程邏輯控制器 (PLC)
- 通信系統中的數據緩衝
- 微處理器系統中的寄存器文件
- 嵌入式系統中的存儲映射
環球供應鏈與批發合作夥伴方案
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