Name: TR8900C
Brand: TKD Science and Technology Co., Ltd.

The TKD TR8900C series is an automotive-grade real-time clock module with an integrated 32.768 kHz crystal, qualified to AEC-Q100 for demanding vehicle environments. It delivers reliable timekeeping for ADAS, telematics, V2X and infotainment systems.

Specification of TR8900C

Technical Specifications		Condition		Min.	Typ.	Max.	Unit.
Frequency	f	Ta = +25℃, VDD = 1.3V to 5.5V		—	32.768	—	kHz
Operating Temperature	Ta	⸺		-40	25	125	℃
Frequency Stability	△f/f	Ta=-40℃~85℃ VDD=3.0V		-5	—	5	PPM
Frequency Stability	△f/f	Ta=85℃~125℃ VDD=3.0V		-5	—	5	PPM
Start-up Time	Tsta	Ta=＋25℃, VDD=1.3V				1	S
Start-up Time	Tsta	Ta =-40 to +125℃, VDD= 1.3 to 5.5V		—	—	3	S
Supply Current	IDD1	fSCL=0Hz,/INT=Hi-Z, FOUT is stopped 30s Temperature Compensation Interval	VDD=3V	—	0.3	2.1	μA
Supply Current	IDD2		VDD=5V	—	0.42	2.9	μA