T217 is a 2-10-digit synchronous pre-settable reversible counter , which can simultaneously perform addition counting and subtraction counting. Its main electrical parameters are: power supply current ICC is less than 100MA, counting operating frequency is about 10MHZ, and average transmission delay time is about 60NS.T217 The outer lead arrangement and function of the pin are shown in the figure. The truth table of T217 is shown in Table 9.21, and the function is shown in Table 22. This article refers to the address: http:// Ningbo Autrends International Trade Co.,Ltd. , https://www.supervapebar.com
