ECG7406

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🔴 Dual 4-input NAND gate digital logic IC constructed with traditional bipolar transistor architecture. | 🌐 14-Pin DIP | 🏭 Process alarm panels, vintage digital timing panels, hard wired computational logic boards. | 🏷️ ECG7420 | 🆔 NTE7420 | 🆔 SK7420 | 🔄 SN7420N, DM7420N, 7420, MC7420N | 🏭 Master Interlock Safety Check: Looks at four independent machinery safety switches across a line, ensuring all parameters are clear before outputting a logic run enable signal. Show more