SN74LS90DR

十年间，除以十二岁二进制计数器 DECADE, DIVIDE-BY-TWELVE AND BINARY COUNTERS

Add to the complexity of a system by implementing this decade counter shift register developed by Texas Instruments. This counter shift register has an operating temperature range of 0 °C to 70 °C. This product will be shipped in tape and reel packaging so that components can be mounted effectively. This device has a typical operating supply voltage of 5 V. Its minimum operating supply voltage of 4.75 V, while its maximum is 5.25 V.