| 描述 | 计数器 IC 4-Digit Counters |
|---|
【Fairchild Semiconductor】MM74C927N,计数器移位寄存器 12-Bit Approx Reg
【Fairchild Semiconductor】MM74C928N,IC COUNTER 4DIG 7SEG DRVR 18-DIP
【Fairchild Semiconductor】MM74C93N,IC COUNTER BINARY 4-BIT 14-DIP
【Fairchild Semiconductor】MM74HC00M,IC GATE NAND QUAD 2INPUT 14-SOIC
【Fairchild Semiconductor】MM74HC00M_Q,门（与/非与/或/非或） Qd 2-Input NAND Gate