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Quadrature Clock Decoders…. (14 Pins; 8 Pins; 8 Pins) LS7082N, LS7082N-S Last Update: 04/19/06 LS7083, LS7083-S, LS7084, LS7084-S (4.5V to 10.0V operation) Last Update: 12/05/06 LS7183, LS7183-S, LS7184, LS7184-S (3V to 5.5V operation) Last Update: 10/12/07 Interfaces Incremental Encoders to Up/Down Counters Converts Quadrature Pulses to Up/Down Counter Controls x1, x4 Frequency Multiplication:  LS7083, LS7084 x1, x2, x4 Frequency Multiplication: LS7082N, LS7183, LS7184 Index I/O (LS7082N) Outputs by device type: LS7082N - Up Clock, Down Clock, Direction Control LS7083, LS7183 - Up Clock and Down Clock LS7084, LS7184 - Clock and Direction Control   4.5V to 10V Operation:  LS7082N, LS7083, LS7084 3V to 5.5V Operation:  LS7183, LS7184   24-Bit Quadrature Counter…. (20 Pins) LS7166, LS7166-S, LS7166-TS24 Last Update: 08/15/07 Interfaces Incremental Encoders to Microprocessor Bus Up to 1.2MHz Count Frequency in x4 Quadrature Mode x1, x2, x4 Frequency Multiplication 8-Bit I/O Bus 24-Bit Comparator TTL and CMOS compatible 3V to 5.5V operation   24-Bit x 2-Axes Quadrature Counter…. (28 Pins) LS7266R1, LS7266R1-SD, LS7266R1-S, LS7266R1-TS Last Update: 10/29/04   Same features as LS7166 except as shown below: Dual architecture to support X and Y axes Digital filtering of Quadrature clocks Programmable 8-Bit filter clock prescalers Error flag for excessive noise indication Programmable Count Range Limits Programmable Index input Up to 4.3MHz Quadrature Clock Frequency   32-Bit Quadrature Clock Counter with Serial Interface.... (14 Pins) LS7366R, LS7366R-S, LS7366R-TS Last Update: 12/04/07 Interfaces Incremental Encoders to Microprocessors via 4-wire SPI / Microwire bus Up to 9.6MHz Quadrature Clock Frequency with x1, x2 and x4 Frequency Multiplication Internal Digital Filtering and Decoding of Quadrature Clocks and Index Internal decoding of Quadrature Clocks Index Driven Operations 8-bit, 16-bit, 24-bit and 32 bit Programmable Configurations 3V to 5.5V Operation   24-Bit x 4-Axes Quadrature Clock Counter....(48 Pins) LS7566R-TS Last Update: 07/21/08 Interfaces an Incremental Encoder to a Microprocessor Bus Up to 9.6MHz Quadrature Clock Frequency Independent Programmability of each axis for multiple count and I/O modes with Independent Read/Write Control Registers x1, x2 and x4 Resolution Multiplication Digital Filtering of Quadrature Clock Maskable processor Interrupt Output 3-state Octal I/O Bus 3V to 5.5V Operation   32-Bit Quadrature Counters....(24; 28; 38; 48 Pins) LS7766SO, LS7766SO-S, LS7766SO-TS; LS7766SH-TS 1-Axis NEW! LS7766DO, LS7766DO-S, LS7766DO-TS; LS7766DH-TS 2-Axis NEW! Last Update: 10/23/07 Direct interface with Incremental Encoders 40MHz(5V). 20Mhz(3.3V) Quadrature Clock Frequency Programmable I/Os for Index and Marker Flags Separate mode-control registers for each axis Sets of 32-bit counters,input registers, output registers, comparators and octal status registers for each axis Digital filtering of input quadrature clocks Pin selectable 3-state Hex / Octal bus SD / DO = Single-axis / Dual-axes Octal I/O Bus SH / DH = Single-axis / Dual-axes with pin selectable Hex / Octal I/O Bus 3V to 5.5V Operation   Return to Top