RTCs

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Show Selected	Part No.	Indiv. Part No.	Manufacturer	Availability	Quantity	Series	Type	Manufacturer	Assembly Type	Manufacturer Package	Supply Voltage Min.	Supply Voltage Max.	Accuracy	RTC Memory Size	Interface	Packaging	Operating Temperature, min. (TA)	Operating Temperature, max. (TA)
01	Manufacturers Part No. X1B000481000214 (RX8901CE XB A0) Epson Real Time Clock IC I2C 5ppm SMD-10	Customer Part No. Customer Project No.	Epson	1.000 Pcs. Planned Delivery Time Ø 16 Weeks Available (from stock)	(at least 1 or mul. of 1)	RX8	Real Time Clock IC	Epson	SMD/SMT	SMD-10	1.6 V	5.5 V	5.0 ppm		I2C	Reel	-40.0 °C	105.0 °C
02	Manufacturers Part No. X1B000421000214 (RX8111CE B) Epson Real Time Clock IC I2C 23ppm SMD-10	Customer Part No. Customer Project No.	Epson	1.000 Pcs. Planned Delivery Time Ø 16 Weeks Available (from stock)	(at least 1 or mul. of 1)	RX8	Real Time Clock IC	Epson	SMD/SMT	SMD-10	1.6 V	5.5 V	23.0 ppm		I2C	Reel	-40.0 °C	105.0 °C
03	Manufacturers Part No. X1B000481000414 (RX8901CE XB B0) Epson Real Time Clock IC I2C 5ppm SMD-10	Customer Part No. Customer Project No.	Epson	1.000 Pcs. Planned Delivery Time Ø 16 Weeks Available (from stock)	(at least 1 or mul. of 1)	RX8	Real Time Clock IC	Epson	SMD/SMT	SMD-10	1.6 V	5.5 V	5.0 ppm		I2C	Reel	-40.0 °C	105.0 °C
04	Manufacturers Part No. X1B000481000114 (RX8901CE XS A0) Epson Real Time Clock IC I2C 3ppm SMD-10	Customer Part No. Customer Project No.	Epson	1.000 Pcs. Planned Delivery Time Ø 16 Weeks Available (from stock)	(at least 1 or mul. of 1)	RX8	Real Time Clock IC	Epson	SMD/SMT	SMD-10	1.6 V	5.5 V	3.0 ppm		I2C	Reel	-40.0 °C	105.0 °C
05	Manufacturers Part No. X1B000481000314 (RX8901CE XS B0) Epson Real Time Clock IC I2C 3ppm SMD-10	Customer Part No. Customer Project No.	Epson	1.000 Pcs. Planned Delivery Time Ø 16 Weeks Available (from stock)	(at least 1 or mul. of 1)	RX8	Real Time Clock IC	Epson	SMD/SMT	SMD-10	1.6 V	5.5 V	3.0 ppm		I2C	Reel	-40.0 °C	105.0 °C
06	Manufacturers Part No. MCP79411T-I/SN (MCP79411T-I/SN) Microchip Real Time Clock IC 2-Wire I2C Serial 1ppm SOIC-8	Customer Part No. Customer Project No.	Microchip	3.300 Pcs. Planned Delivery Time Ø 3 Weeks Available (from stock)	(at least 5 or mul. of 5)	MCP79411	Real Time Clock IC	Microchip	SMD/SMT	SOIC-8	1.8 V	5.5 V	1.0 ppm	64 Byte	2-Wire I2C Serial	Reel	-40.0 °C	85.0 °C
07	Manufacturers Part No. PCF85063AT/AY (PCF85063AT/AY) NXP Real Time Clock IC SO-8	Customer Part No. Customer Project No.	NXP	2.442 Pcs. Planned Delivery Time Ø 14 Weeks Available (from stock)	(at least 1 or mul. of 1)	PCF	Real Time Clock IC	NXP	SMD/SMT	SO-8	0.9 V	5.5 V				Reel	-40.0 °C	85.0 °C
08	Manufacturers Part No. PCF85063ATL/1,118 (PCF85063ATL/1,118) NXP Real Time Clock IC I2C DFN2626-10 New	Customer Part No. Customer Project No.	NXP	4.000 Pcs. Planned Delivery Time Ø 4 Weeks Available (from stock)	(at least 1 or mul. of 1)	PCF	Real Time Clock IC	NXP	SMD/SMT	DFN2626-10	0.9 V	5.5 V			I2C	Reel	-40.0 °C	85.0 °C
09	Manufacturers Part No. X1B000471000214 (RX4901CE XB A0) Epson Real Time Clock IC SPI SMD-10 New	Customer Part No. Customer Project No.	Epson	1.000 Pcs. Planned Delivery Time Ø 20 Weeks Available (from stock)	(at least 10 or mul. of 10)	RX4	Real Time Clock IC	Epson	SMD/SMT	SMD-10	1.6 V	5.5 V			SPI	Reel	-40.0 °C	105.0 °C
10	Manufacturers Part No. DS2417P+ (DS2417P+) Maxim Integrated Real Time Clock IC Serial 1-Wire TSOC-6	Customer Part No. Customer Project No.	Maxim Integrated	480 Pcs. Planned Delivery Time Ø 6 Weeks Available (from stock)	(at least 5 or mul. of 5)	DS	Real Time Clock IC	Maxim Integrated	SMD/SMT	TSOC-6	2.5 V	5.5 V		64 Bit	1-Wire Serial	Tube	-40.0 °C	85.0 °C
11	Manufacturers Part No. DS1306E+ (DS1306E+) Maxim Integrated Real Time Clock IC Serial 3-Wire SPI TSSOP-20	Customer Part No. Customer Project No.	Maxim Integrated	148 Pcs. Planned Delivery Time Ø 3 Weeks Available (from stock)	(at least 1 or mul. of 1)	DS	Real Time Clock IC	Maxim Integrated	SMD/SMT	TSSOP-20	2.0 V	5.5 V		96 Byte	3-Wire SPI Serial	Tube	0.0 °C	70.0 °C
12	Manufacturers Part No. DS1390U-33+ (DS1390U-33+) Maxim Integrated Real Time Clock IC Serial 3-Wire SPI µMAX-10	Customer Part No. Customer Project No.	Maxim Integrated	141 Pcs. Planned Delivery Time Ø 6 Weeks Available (from stock)	(at least 1 or mul. of 1)	DS	Real Time Clock IC	Maxim Integrated	SMD/SMT	µMAX-10	2.97 V	5.5 V			3-Wire SPI Serial	Tube	-40.0 °C	85.0 °C
13	Manufacturers Part No. DS1337+ (DS1337+) Maxim Integrated Real Time Clock IC I2C PDIP-8	Customer Part No. Customer Project No.	Maxim Integrated	100 Pcs. Planned Delivery Time Ø 10 Weeks Available (from stock)	(at least 5 or mul. of 5)	DS	Real Time Clock IC	Maxim Integrated	THT	PDIP-8	1.8 V	5.5 V			I2C	Tube	-40.0 °C	85.0 °C
14	Manufacturers Part No. DS1337S+T&R (DS1337S+) Maxim Integrated Real Time Clock IC I2C SO-8 TOP	Customer Part No. Customer Project No.	Maxim Integrated	3.630 Pcs. Next Stock Receipt Week 18/2026 (2.500 Pcs.) Available (from stock)	(at least 5 or mul. of 5)	DS	Real Time Clock IC	Maxim Integrated	SMD/SMT	SO-8	1.8 V	5.5 V			I2C	Reel	-40.0 °C	85.0 °C
15	Manufacturers Part No. DS1307Z+ (DS1307Z+) Maxim Integrated Real Time Clock IC I2C SO-8	Customer Part No. Customer Project No.	Maxim Integrated	1.109 Pcs. Planned Delivery Time Ø 8 Weeks Available (from stock)	(at least 5 or mul. of 5)	DS	Real Time Clock IC	Maxim Integrated	SMD/SMT	SO-8	4.5 V	5.5 V		56 Byte	I2C	Tube	0.0 °C	70.0 °C
16	Manufacturers Part No. DS1388Z-33+T&R (DS1388Z-33+TR) Maxim Integrated Real Time Clock IC I2C SO-8	Customer Part No. Customer Project No.	Maxim Integrated	0 Pcs. Next Stock Receipt Week 17/2026 (500 Pcs.) Available (from stock)	(at least 5 or mul. of 5)	DS	Real Time Clock IC	Maxim Integrated	SMD/SMT	SO-8	2.97 V	3.63 V		512 Byte	I2C	Reel	-40.0 °C	85.0 °C
17	Manufacturers Part No. X1B000142000400 (RX8803LCAA) Epson Real Time Clock IC I2C 5ppm VSOJ-12	Customer Part No. Customer Project No.	Epson	980 Pcs. Planned Delivery Time Ø 14 Weeks Available (from stock)	(at least 10 or mul. of 10)	RX8	Real Time Clock IC	Epson	SMD/SMT	VSOJ-12	1.6 V	5.5 V	5.0 ppm		I2C	Reel	-40.0 °C	85.0 °C
18	Manufacturers Part No. X1B000151000400 (RX8803SAAA) Epson Real Time Clock IC I2C 5ppm SOP-14	Customer Part No. Customer Project No.	Epson	1.650 Pcs. Planned Delivery Time Ø 14 Weeks Available (from stock)	(at least 10 or mul. of 10)	RX8	Real Time Clock IC	Epson	SMD/SMT	SOP-14	1.6 V	5.5 V	5.0 ppm		I2C	Reel	-40.0 °C	85.0 °C
19	Manufacturers Part No. DS1629S+ (DS1629S+) Maxim Integrated Real Time Clock IC Serial 2-Wire I2C SO-8	Customer Part No. Customer Project No.	Maxim Integrated	0 Pcs. Planned Delivery Time Ø 6 Weeks Available on order	(at least 500 or mul. of 100)	DS	Real Time Clock IC	Maxim Integrated	SMD/SMT	SO-8	2.2 V	5.5 V		32 Byte	2-Wire I2C Serial	Tube	-55.0 °C	125.0 °C
20	Manufacturers Part No. X1B000192000300 (RX4035SAAA) Epson Real Time Clock IC SPI 5ppm SOP-14	Customer Part No. Customer Project No.	Epson	990 Pcs. Planned Delivery Time Ø 14 Weeks Available (from stock)	(at least 10 or mul. of 10)	RX4	Real Time Clock IC	Epson	SMD/SMT	SOP-14	2.4 V	5.5 V	5.0 ppm		SPI	Reel	-40.0 °C	85.0 °C
21	Manufacturers Part No. DS1302+ (DS1302+) Maxim Integrated Real Time Clock IC Serial 3-Wire PDIP-8	Customer Part No. Customer Project No.	Maxim Integrated	215 Pcs. Planned Delivery Time Ø 4 Weeks Available (from stock)	(at least 5 or mul. of 5)	DS	Real Time Clock IC	Maxim Integrated	THT	PDIP-8	2.0 V	5.5 V		31 Byte	3-Wire Serial	Tube	0.0 °C	70.0 °C
22	Manufacturers Part No. DS1244Y-70+ (DS1244Y-70+) Maxim Integrated Real Time Clock IC Parallel 35ppm EDIP-28	Customer Part No. Customer Project No.	Maxim Integrated	0 Pcs. Planned Delivery Time Ø 6 Weeks Available on order	(at least 24 or mul. of 24)	DS	Real Time Clock IC	Maxim Integrated	THT	EDIP-28		5.0 V	35.0 ppm	32.000 Bit	Parallel	Tube	0.0 °C	70.0 °C
23	Manufacturers Part No. Q41404552000100 (RX4045SAAA) Epson Real Time Clock IC 4-Wire Serial 5ppm SOP-14 TOP	Customer Part No. Customer Project No.	Epson	6.050 Pcs. Next Stock Receipt Week 25/2026 (3.000 Pcs.) Available (from stock)	(at least 10 or mul. of 10)	RX4	Real Time Clock IC	Epson	SMD/SMT	SOP-14	1.7 V	5.5 V	5.0 ppm		4-Wire Serial	Reel	-40.0 °C	85.0 °C
24	Manufacturers Part No. X1B000122000114 (RX4803LCUA) Epson Real Time Clock IC 4-Wire Serial 3,4ppm VSOJ-12	Customer Part No. Customer Project No.	Epson	1.000 Pcs. Planned Delivery Time Ø 15 Weeks Available (from stock)	(at least 10 or mul. of 10)	RX4	Real Time Clock IC	Epson	SMD/SMT	VSOJ-12	1.6 V	5.5 V	3.4 ppm		4-Wire Serial	Reel	-40.0 °C	85.0 °C
25	Manufacturers Part No. X1B000232000100 (RX6110SAB) Epson Real Time Clock IC I2C SPI 23ppm SOP-14	Customer Part No. Customer Project No.	Epson	810 Pcs. Planned Delivery Time Ø 16 Weeks Available (from stock)	(at least 10 or mul. of 10)	RX6	Real Time Clock IC	Epson	SMD/SMT	SOP-14	1.6 V	5.5 V	23.0 ppm		I2C SPI	Reel	-40.0 °C	85.0 °C

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