ZHCSPT2E September 1997 – October 2022 CD54HC688 , CD54HCT688 , CD74HC688 , CD74HCT688
PRODMIX
’HC688 和 ’HCT688 是 8 位幅度比较器,专用于需要比较两个 8 位二进制字的计算机和逻辑应用。当进行比较的字相等时,输出 (Y) 为低电平,并且可用作级联应用中下一个器件的使能输入。
器件型号 | 封装(1) | 封装尺寸(标称值) |
---|---|---|
CD74HC688M | SOIC (20) | 12.80mm × 7.50mm |
CD74HCT688M | SOIC (20) | 12.80mm × 7.50mm |
CD74HC688E | PDIP (20) | 25.40mm × 6.35mm |
CD74HCT688E | PDIP (20) | 25.40mm × 6.35mm |
CD74HC688NSR | SO (20) | 15.00mm × 5.30mm |
CD74HC688PWR | TSSOP (20) | 6.50mm × 4.40mm |
CD54HC688F3A | CDIP (20) | 26.92mm × 6.92mm |
CD54HCT688F3A | CDIP (20) | 26.92mm × 6.92mm |