LS7166A， LS7166A-S， LS7166A-TS

24-Bit Multi-Mode Counter (20 Pins)

25 MHz Count Frequency

8-Bit I/O bus

24-Bit Comparator

Programmable Count Modes: Quadrature (x1， x2， x4); Non-Quadrature， Normal/Modulo-N; 24 Hour Clock; Non-Recycle， Binary; BCD

TTL and CMOS compatible

3V to 5。5V operation

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LS7166A_PDF.pdf