PT7C4337WEX Overview
Packaged as Tape & Reel (TR).The 8 termination is the practice of terminating a transmission line with a RTC module matched to its characteristic impedance.It is possible to see 3.3V voltage being supplied to this RTC real time clock.8 pins are attached to it.There should be no more than 0.032MHz frequency in real time clocks' output.A power supply of 2/5V is used to power it.In this system, there are 1 timers, which are real time clocks that output a signal at a preset time after an input signal is received.When Vsup reaches 5.5V, the maximum supply voltage is reached.In this electrical real time analog clock, there is a uPs/uCs/Peripheral ICs type of TIMER, REAL TIME CLOCK.In order to operate normally, Vsup must remain above 1.8V.Below 85°C is the ideal operating temperature.
PT7C4337WEX Features
8 terminations
8 pin count
2/5V power supplies

PT7C4337WEX Applications
There are a lot of Pericom Semiconductor Corp. (Diodes Incorporated)
PT7C4337WEX Real Time Clocks applications.

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

Surface Mount	YES
Packaging	Tape & Reel (TR)
Number of Terminations	8
ECCN Code	EAR99
HTS Code	8542.39.00.01
Terminal Position	DUAL
Terminal Form	GULL WING
Supply Voltage	3.3V
Terminal Pitch	1.27mm
Reach Compliance Code	compliant
Pin Count	8
JESD-30 Code	R-PDSO-G8
Qualification Status	Not Qualified
Operating Temperature (Max)	85°C
Operating Temperature (Min)	-40°C
Supply Voltage-Max (Vsup)	5.5V
Power Supplies	2/5V
Temperature Grade	INDUSTRIAL
Supply Voltage-Min (Vsup)	1.8V
uPs/uCs/Peripheral ICs Type	TIMER, REAL TIME CLOCK
Clock Frequency	0.032MHz
Number of Timers	1
Time-Min	SECONDS
Interrupt Capability	Y
Volatile	YES
Information Access Method	I2C
Length	4.9mm
Height Seated (Max)	1.75mm
Width	3.9mm
RoHS Status	RoHS Compliant