Name: Quartz Crystal Resonator RTC 3.2*2.5
Uploaded: 2026-06-08T10:35:00+08:00
Description: HLC RTC crystal resonators provide accurate real time clock functionality, low power consumption and dependable timing performance.

Electrical Specifications	Symbol	Condition	Rating	Unit
Supply Voltage	VDD	Between VDD and GND	-0.3 ~ 6.5	V
Supply Voltage	VBAT	Between VBAT and GND	-0.3 ~ 6.5	V
Input voltage	Vin	FOE, SCL, SDA pins	GND=0.3 ~ 6.5	V
Output voltage①	Vout1	FOUT pin	GND=0.3 ~ DD+0.3	V
Output voltage②	Vout2	SDA and / INT pins	GND=0.3 ~ 6.5	V
Temperature Range	Storage	When stored separately, without packaging	-55 ~ 125	°C
Frequency Stability	△f/f	Ta=0°C to +50°C, VDD=3.0V	-3.4 ~ 3.4	PPM
Frequency Stability	△f/f	Ta=-40°C to +85°C, VDD=3.0V	-5 ~ 5	PPM
Frequency/voltage characteristics	f/V	Ta=+25°C, VDD=2.0V to 5.5VC	±1.0 Max.	PPM/V
Symmetry (duty cycle)	Tw/T	50% of VDD level	40 ~ 60	%
Rise time for SCL and SDA	Tr		0.3 Max.	uS
Fall time for SCL and SDA	Tf		0.3 Max.	uS
SCL clock frequency	fsCL		400 Max.	KHZ
Start condition setup time	tSU;STA		0.6 min	us
Start condition hold time	tHD;STA		0.6 min	us
Data setup time	tSU;DAT		100 min	ns
Data hold time	tHD;DAT		0 min	ns
Bus idle time between start and stop condition	tBUF		1.3 min	us
Time when SCL = "L"	tLOW		1.3 min	us
Time when SCL = "H"	tHIGH		0.6 min	us
Oscillation start time	tSTA	Ta=+25°C, VDD=1.6V~5.5VC	1 max	s
Oscillation start time	tSTA	Ta=-40°C~+85°C, VDD=1.6V~5.5VC	3 max	s
Aging @25°C 1styear(Max)			±3.0 max	PPM
Temperature Sensor Accuracy	Tsensor	VDD=3.0 V	±5.0 Max.	°C
In addition to the parameters listed in the table, it can be designed according to customer needs

Built-in 32.768 kHz DTCXO
Supports I 2C-Bus's high-speed mode (Up to 400 kHz)
Alarm interrupt function for day, date, hour, and minute settings
Wakeup timer interruption
Time update interrupt function for Seconds, minutes
Temperature compensated 32.768 kHz output with OEfunction (FOE and FOUT pins)
Auto correction of leap years (from 2000 to 2099)
Wide interface voltage range: 2.5 V to 5.5 V
Wide time-keeping voltage range:1.6 V to 5.5 V
Low current consumption: 0.90 uA / 3 V (Typ.)
Built-in Backup switchover circuit.