LS7566R-TS
24-Bit x 4 Multi-Mode Counter (48 Pins)
Up to 40MHz Count Frequency
3-State Octal I/O Bus
Each of the four Binary Counters have independent Support Circuits: Comparators, Registers, Latches, etc。
Programmable count modes include: Quadrature (x1, x2, x4); Non-Quadrature (Up/Down); Free-Run, Non-Recycle, Modulo-N, Range-Limit
3V to 5。5V Operation
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