EEWorld电子资料：8255A
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June 1998 Features Pin Compatible with NMOS 8255A 24 Programmable IO Pins Fully TTL Compatible High Speed No Wait State Operation with 5MHz and 8MHz 80C86 and 80C88 Direct Bit SetReset Capability Enhanced Control Word Read Capability L7 Process 25mA Drive Capability on All IO Ports Low Standby Power ICCSB 10m A Ordering Information 82C55A CMOS Programmable Peripheral Interface Description The Intersil 82C55A is a high performance CMOS version of the industry standard 825......
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