SN74HC4040NSR
12位异步二进制计数器 12 BIT ASYNCHRONOUS BINARY COUNTERS
This binary counter shift register from Texas Instruments can be optimized in any circuit which contains numerous states, it will help maintain and switch into other states. This counter shift register has an operating temperature range of -40 °C to 85 °C. Tape and reel packaging will encase this product during shipment, in order to ensure safe delivery and enable quick mounting of components. This device has a typical operating supply voltage of 5 V. Its minimum operating supply voltage of 2 V, while its maximum is 6 V.