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.	Operating Temperature Max.	Storage Temperature Min.	Storage Temperature Max.
26	Manufacturers Part No. DS1302Z+T&R (DS1302Z+TR) Maxim Integrated Real Time Clock IC Serial 3-Wire SOIC-8	Customer Part No. Customer Project No.	Maxim Integrated	0 Pcs. Planned Delivery Time Ø 12 Weeks	(at least 2500 or mul. of 2500)	DS	Real Time Clock IC	Maxim Integrated	SMD/SMT	SOIC-8	2.0 V	5.5 V		31 Byte	3-Wire Serial	Reel	0.0 °C	70.0 °C	-55.0 °C	125.0 °C
27	Manufacturers Part No. Q41454361000200 (RTC4543SBB) Epson Real Time Clock IC 3-Wire Serial 23ppm SOP-18	Customer Part No. Customer Project No.	Epson	0 Pcs. Planned Delivery Time Ø 14 Weeks	(at least 1000 or mul. of 1000)	RTC4	Real Time Clock IC	Epson	SMD/SMT	SOP-18	2.5 V	5.5 V	23.0 ppm		3-Wire Serial	Reel	-40.0 °C	85.0 °C
28	Manufacturers Part No. Q41457192000100 (RX4571NBB) Epson Real Time Clock IC 3-Wire Serial 23ppm SON-22	Customer Part No. Customer Project No.	Epson	1.000 Pcs. Planned Delivery Time Ø 67 Weeks	(at least 10 or mul. of 10)	RX4	Real Time Clock IC	Epson	SMD/SMT	SON-22	1.6 V	5.5 V	23.0 ppm		3-Wire Serial	Reel	-40.0 °C	85.0 °C
29	Manufacturers Part No. PCF8563T/F4,118 (PCF8563T/F4-GURT) NXP Real Time Clock IC I2C 5ppm SO-8 TOP	Customer Part No. Customer Project No.	NXP	3.710 Pcs. Planned Delivery Time Ø 14 Weeks	(at least 10 or mul. of 10)	PCF	Real Time Clock IC	NXP	SMD/SMT	SO-8	1.0 V	5.5 V	5.0 ppm		I2C	Reel	-40.0 °C	85.0 °C	-65.0 °C	150.0 °C
30	Manufacturers Part No. PCF8593T/1,118 (PCF8593T/1-GURT) NXP Real Time Clock IC Serial 2-Wire I2C 5ppm SO-8 TOP	Customer Part No. Customer Project No.	NXP	3.290 Pcs. Planned Delivery Time Ø 14 Weeks	(at least 10 or mul. of 10)	PCF	Real Time Clock IC	NXP	SMD/SMT	SO-8	2.5 V	6.0 V	5.0 ppm	8 Byte	2-Wire I2C Serial	Reel	-40.0 °C	85.0 °C	-65.0 °C	150.0 °C
31	Manufacturers Part No. PCF8563T/5,518 (PCF8563T/5-GURT) NXP Real Time Clock IC I2C 5ppm SO-8 TOP	Customer Part No. Customer Project No.	NXP	18.900 Pcs. Planned Delivery Time Ø 14 Weeks	(at least 10 or mul. of 10)	PCF	Real Time Clock IC	NXP	SMD/SMT	SO-8	1.0 V	5.5 V	5.0 ppm		I2C	Reel	-40.0 °C	85.0 °C	-65.0 °C	150.0 °C
32	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	76 Pcs. Planned Delivery Time Ø 3 Weeks	(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	-55.0 °C	125.0 °C
33	Manufacturers Part No. X1B000311000114 (RX8130CEB) Epson Real Time Clock IC I2C 23ppm SMD-10	Customer Part No. Customer Project No.	Epson	1.490 Pcs. Planned Delivery Time Ø 18 Weeks	(at least 10 or mul. of 10)	RX8	Real Time Clock IC	Epson	SMD/SMT	SMD-10	1.25 V	5.5 V	23.0 ppm		I2C	Reel	-40.0 °C	85.0 °C
34	Manufacturers Part No. X1B000062000100 (RX8571NBB) Epson Real Time Clock IC I2C 23ppm SON-22	Customer Part No. Customer Project No.	Epson	1.000 Pcs. Planned Delivery Time Ø 14 Weeks	(at least 10 or mul. of 10)	RX8	Real Time Clock IC	Epson	SMD/SMT	SON-22	1.6 V	5.5 V	23.0 ppm		I2C	Reel	-40.0 °C	85.0 °C
35	Manufacturers Part No. DS1388Z-33+T&R (DS1388Z-33+TR) Maxim Integrated Real Time Clock IC I2C SOIC-8	Customer Part No. Customer Project No.	Maxim Integrated	0 Pcs. Planned Delivery Time Ø 10 Weeks	(at least 2500 or mul. of 2500)	DS	Real Time Clock IC	Maxim Integrated	SMD/SMT	SOIC-8	2.97 V	3.63 V		512 Byte	I2C	Reel	-40.0 °C	85.0 °C	-55.0 °C	125.0 °C
36	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	(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
37	Manufacturers Part No. DS1305EN+ (DS1305EN+) Maxim Integrated Real Time Clock IC Serial 3-Wire SPI TSSOP-20	Customer Part No. Customer Project No.	Maxim Integrated	1.202 Pcs. Planned Delivery Time Ø 6 Weeks	(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	-40.0 °C	85.0 °C	-55.0 °C	125.0 °C
38	Manufacturers Part No. DS1388Z-5+ (DS1388Z-5+) Maxim Integrated Real Time Clock IC I2C SOIC-8	Customer Part No. Customer Project No.	Maxim Integrated	0 Pcs. Planned Delivery Time Ø 9 Weeks	(at least 500 or mul. of 50)	DS	Real Time Clock IC	Maxim Integrated	SMD/SMT	SOIC-8	4.5 V	5.5 V		512 Byte	I2C	Tube	-40.0 °C	85.0 °C	-55.0 °C	125.0 °C
39	Manufacturers Part No. Q418731C2000114 (RX8731LCB) Epson Real Time Clock IC I2C 23ppm VSOJ-12	Customer Part No. Customer Project No.	Epson	1.000 Pcs. Planned Delivery Time Ø 14 Weeks	(at least 10 or mul. of 10)	RX8	Real Time Clock IC	Epson	SMD/SMT	VSOJ-12	1.7 V	5.5 V	23.0 ppm		I2C	Reel	-40.0 °C	85.0 °C
40	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	17 Pcs. Planned Delivery Time Ø 70 Weeks	(at least 1 or mul. of 1)	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	-40.0 °C	85.0 °C
41	Manufacturers Part No. DS1305E+ (DS1305E+) Maxim Integrated Real Time Clock IC Serial 3-Wire SPI TSSOP-20	Customer Part No. Customer Project No.	Maxim Integrated	294 Pcs. Planned Delivery Time Ø 8 Weeks	(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	-55.0 °C	125.0 °C
42	Manufacturers Part No. X1B000052000114 (RX8571LCB) Epson Real Time Clock IC I2C 23ppm VSOJ-12	Customer Part No. Customer Project No.	Epson	1.800 Pcs. Planned Delivery Time Ø 54 Weeks	(at least 10 or mul. of 10)	RX8	Real Time Clock IC	Epson	SMD/SMT	VSOJ-12	1.6 V	5.5 V	23.0 ppm		I2C	Reel	-40.0 °C	85.0 °C
43	Manufacturers Part No. DS1678S+ (DS1678S+) Maxim Integrated Real Time Clock IC I2C SOIC-8	Customer Part No. Customer Project No.	Maxim Integrated	0 Pcs. Planned Delivery Time Ø 10 Weeks	(at least 88 or mul. of 88)	DS	Real Time Clock IC	Maxim Integrated	SMD/SMT	SOIC-8	4.5 V	5.5 V		32 Byte	I2C	Tube	-40.0 °C	85.0 °C	-55.0 °C	125.0 °C
44	Manufacturers Part No. X1B000202000314 (RX4035LCAA) Epson Real Time Clock IC SPI 5ppm VSOJ-12	Customer Part No. Customer Project No.	Epson	1.500 Pcs. Planned Delivery Time Ø 15 Weeks	(at least 10 or mul. of 10)	RX4	Real Time Clock IC	Epson	SMD/SMT	VSOJ-12	2.4 V	5.5 V	5.0 ppm		SPI	Reel	-55.0 °C	125.0 °C	-55.0 °C	125.0 °C
45	Manufacturers Part No. DS1672S-33+ (DS1672S-33+) Maxim Integrated Real Time Clock IC Serial 2-Wire I2C SOIC-8	Customer Part No. Customer Project No.	Maxim Integrated	150 Pcs. Planned Delivery Time Ø 8 Weeks	(at least 5 or mul. of 5)	DS	Real Time Clock IC	Maxim Integrated	SMD/SMT	SOIC-8	2.97 V	5.5 V			2-Wire I2C Serial	Tube	-40.0 °C	85.0 °C	-55.0 °C	125.0 °C
46	Manufacturers Part No. Q414571C2000214 (RX4571LCB) Epson Real Time Clock IC 3-Wire Serial 23ppm VSOJ-12	Customer Part No. Customer Project No.	Epson	1.650 Pcs. Planned Delivery Time Ø 15 Weeks	(at least 10 or mul. of 10)	RX4	Real Time Clock IC	Epson	SMD/SMT	VSOJ-12	1.6 V	5.5 V	23.0 ppm		3-Wire Serial	Reel	-40.0 °C	85.0 °C
47	Manufacturers Part No. PCF8563TS/5,118 (PCF8563TS/5-GURT) NXP Real Time Clock IC I2C 5ppm TSSOP-8	Customer Part No. Customer Project No.	NXP	1.100 Pcs. Planned Delivery Time Ø 14 Weeks	(at least 10 or mul. of 10)	PCF	Real Time Clock IC	NXP	SMD/SMT	TSSOP-8	1.0 V	5.5 V	5.0 ppm		I2C	Reel	-40.0 °C	85.0 °C	-65.0 °C	150.0 °C
48	Manufacturers Part No. DS1307Z+T&R (DS1307Z+T) Maxim Integrated Real Time Clock IC I2C SOIC-8	Customer Part No. Customer Project No.	Maxim Integrated	8.325 Pcs. Planned Delivery Time Ø 8 Weeks	(at least 5 or mul. of 5)	DS	Real Time Clock IC	Maxim Integrated	SMD/SMT	SOIC-8	4.5 V	5.5 V		56 Byte	I2C	Reel	0.0 °C	70.0 °C	-55.0 °C	125.0 °C
49	Manufacturers Part No. DS3231SN#T&R (DS3231SN-T+R) Maxim Integrated Real Time Clock IC I2C 3,5ppm SOIC-16	Customer Part No. Customer Project No.	Maxim Integrated	0 Pcs. Planned Delivery Time Ø 6 Weeks	(at least 1000 or mul. of 1000)	DS	Real Time Clock IC	Maxim Integrated	SMD/SMT	SOIC-16	2.3 V	5.5 V	3.5 ppm		I2C	Reel	-40.0 °C	85.0 °C	-40.0 °C	85.0 °C
50	Manufacturers Part No. DS1339U-3+T&R (DS1339U-3+TR) Maxim Integrated Real Time Clock IC Serial 2-Wire I2C 10ppm µSOP-8	Customer Part No. Customer Project No.	Maxim Integrated	0 Pcs. Planned Delivery Time Ø 6 Weeks	(at least 3000 or mul. of 3000)	DS	Real Time Clock IC	Maxim Integrated	SMD/SMT	µSOP-8	2.7 V	5.5 V	10.0 ppm		2-Wire I2C Serial	Reel	-40.0 °C	85.0 °C	-55.0 °C	125.0 °C

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