LSI CSI - Design and Production of Full Custom and Standard Integrated Circuits

Incremental Encoder Interface
Lighting Controls
Brushless DC Motor Controls
Stepper Motor Controls
Line Drivers
PIR Sensor Interface
Programmable Digital Delay Timers
Dividers
Counters
AC Motor Controls
Programmable Digital Locks

Ordering Information

Package Outline Drawing

Note: Please check the "Last Updated" date under the Part Number to make sure that you have the latest Data Sheet.

For Non-RoHS Packages, please contact the factory for availability.

Important Information, Please Read:
Please note that,
LS7183 & LS7184 are almost identical to the LS7083 & LS7084
EXCEPT that LS7183 & LS7184 are made specifically for 3.3V & 5V applications
If your application is between 3V and 5.5 V, please select the LS7183 or LS7184.
If your application is between 4.5V and 10 V, please select the LS7083 or LS7084

Quadrature Clock Decoders…. (14 Pins; 8 Pins; 8 Pins)
	LS7082N, LS7082N-S (4.5V to 10.0V operation) Last Update: 04/19/06
	LS7083, LS7083-S, LS7084, LS7084-S (4.5V to 10.0V operation) Last Update: 01/13/09
	LS7183, LS7183-S, LS7184, LS7184-S (3V to 5.5V operation) Last Update: 01/13/09
	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

Important Information, Please Read:
Please note that,
LS7082N1 can replace LS7082N,
LS7083N & LS7084N can replace LS7083 & LS7084, respectively,
LS7183N & LS7184N can replace LS7183 & LS7184, respectively.
In addition, LS7082N1, LS7083N, LS7084N, LS7183N, LS7184N each provide
x1, x2, x4 frequency multiplication and operation from 3V to 12V.

Quadrature Clock Decoders…. (14 Pins; 8 Pins; 8 Pins)
	LS7082N1, LS7082N1-S Last Update: 04/30/09
	LS7083N, LS7083N-S, LS7084N, LS7084N-S Last Update: 04/21/09
	LS7183N, LS7183N-S, LS7184N, LS7184N-S Last Update: 04/27/09
	Each NEW P/N is backward compatible with its predecessor P/N: LS7082N1 compatible with LS7082N LS7083N, LS7084N compatible with LS7083, LS7084 LS7183N, LS7184N compatible with LS7183, LS7184
	All NEW P/Ns provide x1, x2, x4 Frequency Multiplication
	All NEW P/Ns operate from 3V to 12V

24-Bit Quadrature Counter…. (20 Pins)
	LS7166, LS7166-S, LS7166-TS24 Last Update: 12/15/08
	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-S, LS7266R1-TS Last Update: 08/04/09
	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: 06/01/12
	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
	LS7766DO, LS7766DO-S, LS7766DO-TS; LS7766DH-TS 2-Axis Last Update: 06/01/12
	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

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