* Operating voltage: fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.3V~5.5V
* 48 bidirectional I/O lines
* External interrupt input shared with I/O line
* Single 8-bit.

HT46CU25

HT46CU66

HT46CU67

HT46C22

HT46C232

HT46C24

HT46C46

HT46C46E

HT46C47

HT46C47E

HT46C48A

HT46C48AE

HT46C62

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