74HC688N,652  

参数	数值
规格书	数据手册下载
Package	20PDIP
Type	Identity Comparator
Number of Bits	8
Output Function	A=B
Maximum Low Level Output Current	5.2 mA
Maximum High Level Output Current	-5.2 mA
Operating Supply Voltage	5 V
Maximum Propagation Delay Time @ Maximum CL	170@2V|34@4.5V|29@6V ns