74LVC1G139DCTTE4 Overview
In total, the rotary encoders has 8 pins in total.Ideally, 1.65 V should be higher than the required minimum supply voltage.There is a maximum supply voltage (Vsup) of a encoder motor where 5.5 V is reached.
74LVC1G139DCTTE4 Features

74LVC1G139DCTTE4 Applications
There are a lot of Texas Instruments
74LVC1G139DCTTE4 Encoders, Decoders, Converters applications.

Remote Status Monitoring
Lighting Control
Low-voltage operation
Extended temperature range
Low power consumption
UART Interfacing
Infrared Data Communications
Audio
Automotive
Broadband

Surface Mount	YES
Number of Terminals	8
Package Shape	RECTANGULAR
JESD-609 Code	e4
ECCN Code	EAR99
Terminal Finish	Nickel/Palladium/Gold (Ni/Pd/Au)
HTS Code	8542.39.00.01
Packing Method	TAPE AND REEL
Terminal Position	DUAL
Terminal Form	GULL WING
Peak Reflow Temperature (Cel)	260
Number of Functions	1
Terminal Pitch	0.65 mm
Reach Compliance Code	compliant
Pin Count	8
JESD-30 Code	R-PDSO-G8
Qualification Status	Not Qualified
Brand Name	Texas
Supply Voltage-Max (Vsup)	5.5 V
Power Supplies	3.3 V
Temperature Grade	INDUSTRIAL
Supply Voltage-Min (Vsup)	1.65 V
Family	LVC/LCX/Z
Output Characteristics	3-STATE
Seated Height-Max	1.3 mm
Output Polarity	INVERTED
Logic IC Type	OTHER DECODER/DRIVER
Max I(ol)	0.024 A
Propagation Delay (tpd)	16.7 ns
Input Conditioning	STANDARD
Length	2.95 mm
Width	2.8 mm