74HCT688PW,112  

参数	数值
规格书	数据手册下载
Package	20TSSOP
Type	Identity Comparator
Number of Bits	8
Output Function	A=B
Maximum Low Level Output Current	4 mA
Maximum High Level Output Current	-4 mA
Operating Supply Voltage	5 V
Maximum Propagation Delay Time @ Maximum CL	34@4.5V ns