RX-8571NB B3 PSN Overview
A Tape and Reel package is used to package time clock.20 pins are present on it.
RX-8571NB B3 PSN Features
20 pin count

RX-8571NB B3 PSN Applications
There are a lot of Epson America, Inc
RX-8571NB B3 PSN Real Time Clocks applications.

Battery powered products
Automotive
Industrial
Digital still camera
Digital video camera
Printers
Copy machines
Mobile equipment
Battery powered devices
Printers and copiers

ECCN (US)	EAR99
HTS	8542.31.00.01
Bus Type	Serial (I2C)
Minimum Operating Supply Voltage (V)	1.6
Typical Operating Supply Voltage (V)	3
Maximum Operating Supply Voltage (V)	5.5
Minimum Operating Temperature (°C)	-40
Maximum Operating Temperature (°C)	85
Standard Package Name	SON
Supplier Package	SON
Mounting	Surface Mount
Package Height	1.3
Package Length	6.3(Max)
Package Width	4.8
PCB changed	20
Lead Shape	No Lead
Packaging	Tape and Reel
Part Status	Active
Pin Count	20
Function	Clock/Calendar/Alarm/Timer/Interrupt
Time Format	HH:MM:SS
Date Format	DW:DM:M:Y
RoHS Status	Yes with exemptions