54F521 Datasheet | National Semiconductor

.. 54F 74F521 8-Bit Identity parator May 1995 54F 74F521 8-Bit Identity parator General Description The ’F521 is an expandable 8-bit parator It pares two words of up to eight bits each and provides a LOW output when the two words match bit for bit The expansion input IA e B also serves as an active LOW enable input Features Y Y Y pares two 8-bit words in 6 5 ns typ Expandable to any word length 20-pin package mercial 74F521PC Military Package Number N20A Package Description 20-Lead (0 300 Wide) Molded Dual-In-Line 20-Lead Ceramic Dual-In-Line 20-Lead (0 300 Wide) Molded Small Outline JEDEC 20-Lead (0 300 Wide) Molded Small Outline EIAJ 20-Lead...