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PCF2123TS/1,118	2775930 Data Sheet RoHS	NXP Calendar Clock IC Format (YYYY:MM:WK:DD:hh:mm:ss/Binary) SPI 1.1 V to 5.5 V supply TSSOP-14	Each (Supplied on Cut Tape) Cut Tape	1+ $2.160 ($2.38) 10+ $1.580 ($1.74) 50+ $1.430 ($1.57) 100+ $1.270 ($1.40) 250+ $1.190 ($1.31) More Pricing...	SPI	Binary	YYYY:MM:WK:DD:Hr:Min:Secs	Calendar, Clock	Binary	1.1V	5.5V	TSSOP	TSSOP	SPI	14Pins	-	-	-40°C	85°C	-
PCF2123BS/1,518	2775940 Data Sheet RoHS	NXP Calendar Clock IC Format (YYYY:MM:WK:DD:hh:mm:ss/Binary) I2C 1.1 V to 5.5 V supply HVQFN-16	Each (Supplied on Cut Tape) Cut Tape	1+ $2.180 ($2.40) 10+ $1.590 ($1.75) 50+ $1.440 ($1.58) 100+ $1.270 ($1.40) 250+ $1.200 ($1.32) More Pricing...	I2C	Binary	YYYY:MM:WK:DD:Hr:Min:Secs	Calendar, Clock	Binary	1.1V	5.5V	HVQFN	HVQFN	I2C	16Pins	-	-	-40°C	85°C	-
ISL12022IBZ-T7A	2983741 Data Sheet RoHS	RENESAS RTC Alarm Date Time Format (Day/Date/Month/Year HH:MM:SS) I2C 2.7V to 5.5V Supply NSOIC-8	Each (Supplied on Cut Tape) Cut Tape	1+ $7.980 ($8.78) 10+ $6.110 ($6.72) 25+ $5.630 ($6.19) 50+ $5.370 ($5.91) 100+ $5.100 ($5.61) More Pricing...	I2C	HH:MM:SS	Day; Date; Month; Year	Alarm RTC	HH:MM:SS	2.7V	5.5V	NSOIC	NSOIC	I2C	8Pins	-	-	-40°C	85°C	-
MCP79401-I/MS	2947744 Data Sheet RoHS	MICROCHIP RTCC Date Time Format (YY/MM/DD/dd HH:MM:SS) I2C 1.8V to 5.5V Supply MSOP-8	Each	1+ $1.670 ($1.84) 25+ $1.560 ($1.72) 100+ $1.540 ($1.69)	I2C	HH:MM:SS	YY-MM-DD-dd	RTCC	HH:MM:SS	1.8V	5.5V	MSOP	MSOP	I2C	8Pins	-	-	-40°C	85°C	-
MAX31328NELB+	3677599 Data Sheet RoHS	ANALOG DEVICES Real Time Clock Alarm RTC I2C 12Hr / 24Hr 2.3 V to 5.5 V LGA-10 -40 °C to 85 °C	Each	1+ $8.450 ($9.30) 10+ $6.460 ($7.11) 25+ $5.960 ($6.56) 100+ $5.420 ($5.96) 490+ $5.000 ($5.50) More Pricing...	I2C, Serial	12Hr / 24Hr	Day; Date; Month; Year	RTC	12Hr / 24Hr	2.3V	5.5V	LGA	LGA	I2C, Serial	10Pins	-	-	-40°C	85°C	-
RV-2123-C2-TA-QC-020	2358506 Data Sheet RoHS	MICRO CRYSTAL RTC IC Date Time Format (Day/Date/Month/Year/Century 24Hr) SPI 1.1 V to 5.5 V SON-10	Each	1+ $7.320 ($8.05) 10+ $5.840 ($6.42) 25+ $5.450 ($6.00) 50+ $5.230 ($5.75) 100+ $5.020 ($5.52) More Pricing...	SPI	24Hr	Day; Date; Month; Year; Century	RTC	24Hr	1.1V	5.5V	SON	SON	SPI	10Pins	-	-	-40°C	85°C	-
DS1339BU+T	3404545 Data Sheet RoHS	ANALOG DEVICES RTC -40 TO 85DEG C	Each (Supplied on Cut Tape) Cut Tape	1+ $10.100 ($11.11) 10+ $7.760 ($8.54) 25+ $7.180 ($7.90) 100+ $6.550 ($7.20) 250+ $6.230 ($6.85) More Pricing...	I2C	HH:MM:SS	YY-MM-DD-dd	RTC	HH:MM:SS	1.71V	5.5V	µSOP	µSOP	I2C	8Pins	-	-	-40°C	85°C	-
RV-3049-C2 OPTION B	1641060 Data Sheet RoHS	MICRO CRYSTAL RTC IC Date Time Format (Date/Month/Year hh:mm:ss) 4 Wire SPI 1.3 V to 5.5 V SON-10	Each (Supplied on Cut Tape) Cut Tape	1+ $10.690 ($11.76) 10+ $8.530 ($9.38) 25+ $7.960 ($8.76) 50+ $7.630 ($8.39) 100+ $7.330 ($8.06) More Pricing...	4 Wire, SPI	HH:MM:SS	DD:MM:YYYY	RTC	HH:MM:SS	1.3V	5.5V	SON	SON	4 Wire, SPI	10Pins	-	-	-40°C	85°C	-
PCF2127AT/2Y	2400449 Data Sheet RoHS	NXP Calendar Clock IC Format (YYYY:MM:WK:DD:hh:mm:ss/Binary) I2C SPI 1.8V to 4.2V supply SOIC-20	Each (Supplied on Cut Tape) Cut Tape	1+ $9.230 ($10.15) 10+ $7.040 ($7.74) 25+ $6.480 ($7.13) 50+ $6.180 ($6.80) 100+ $5.880 ($6.47) More Pricing...	I2C, SPI	Binary	YYYY:MM:WK:DD:Hr:Min:Secs	Calendar, Clock	Binary	1.8V	4.2V	SOIC	SOIC	I2C, SPI	20Pins	-	-	-40°C	85°C	-
RV-3029-C3-TA-QC-OPT.A	2358510 Data Sheet RoHS	MICRO CRYSTAL RTC IC Date Time Format (Year/Month/Date/Hr/Min/Sec 24Hr) I2C 1.3 V to 5.5 V SON-10	Each	1+ $12.150 ($13.36) 10+ $9.700 ($10.67) 25+ $9.050 ($9.96) 50+ $8.670 ($9.54) 100+ $8.330 ($9.16) More Pricing...	I2C	24Hr	YYYY:MM:DD:Hr:Min:Secs	RTC	24Hr	1.3V	5.5V	SON	SON	I2C	10Pins	-	-	-40°C	85°C	-
DS1248Y-70+	2515444 Data Sheet RoHS	ANALOG DEVICES RTC IC Date Time Format (Day/Date/Month/Year hh:mm:ss:hh) Bytewide 4.5 V to 5.5 V EDIP-32	Each	1+ $87.490 ($96.24) 10+ $80.780 ($88.86) 30+ $77.630 ($85.39) 100+ $74.250 ($81.68)	Bytewide	HH:MM:SS:hh	Day; Date; Month; Year	RTC	HH:MM:SS:hh	4.5V	5.5V	EDIP	EDIP	Bytewide	32Pins	-	-	0°C	70°C	-
DS1305E+T&R	3404542 Data Sheet RoHS	ANALOG DEVICES REAL TIME CLOCK 2V TO 5.5V TSSOP-20	Each (Supplied on Cut Tape) Cut Tape	1+ $12.980 ($14.28) 10+ $10.080 ($11.09) 25+ $9.360 ($10.30) 100+ $8.560 ($9.42) 250+ $8.180 ($9.00) More Pricing...	3 Wire, Serial, SPI	HH:MM:SS	Day; Date; Month; Year	Alarm RTC	HH:MM:SS	2V	5.5V	TSSOP	TSSOP	3 Wire, Serial, SPI	20Pins	-	-	0°C	70°C	-
RV-3029-C2-TA-QC-OPT.A	2358507 Data Sheet RoHS	MICRO CRYSTAL RTC IC Date Time Format (Year/Month/Date/Hr/Min/Sec 24Hr) I2C 1.3 V to 5.5 V SON-10	Each	1+ $12.150 ($13.36) 10+ $9.700 ($10.67) 25+ $9.050 ($9.96) 50+ $8.670 ($9.54) 100+ $8.330 ($9.16) More Pricing...	I2C	24Hr	YYYY:MM:DD:Hr:Min:Secs	RTC	24Hr	1.3V	5.5V	SON	SON	I2C	10Pins	-	-	-40°C	85°C	-
DS1341U+	2515384 Data Sheet RoHS	ANALOG DEVICES Alarm RTC IC Date Time Format (Day/Date/Month/Year hh:mm:ss) I2C 1.8 V to 5.5 V µSOP-8	Each	1+ $7.730 ($8.50) 10+ $5.890 ($6.48) 50+ $5.160 ($5.68) 100+ $4.930 ($5.42) 250+ $4.700 ($5.17) More Pricing...	I2C	HH:MM:SS	Day; Date; Month; Year	Alarm RTC	HH:MM:SS	1.8V	5.5V	µSOP	µSOP	I2C	8Pins	-	-	-40°C	85°C	-
PCF8593T/1,118	2775931 Data Sheet RoHS	NXP Calendar Clock IC Format (YYYY:MM:WK:DD:hh:mm:ss/Binary) I2C 2.5 V to 6 V supply SOIC-8	Each (Supplied on Cut Tape) Cut Tape	1+ $6.320 ($6.95) 10+ $4.760 ($5.24) 25+ $4.380 ($4.82) 50+ $4.170 ($4.59) 100+ $3.950 ($4.34) More Pricing...	I2C	Binary	YYYY:MM:WK:DD:Hr:Min:Secs	Calendar, Clock	Binary	2.5V	6V	SOIC	SOIC	I2C	8Pins	-	-	-40°C	85°C	-
DS1744-70+	2515515 Data Sheet RoHS	ANALOG DEVICES RTC Timekeeper NVSRAM Bytewide 4.5 V to 5.5 V EDIP-28	Each	1+ $88.280 ($97.11) 12+ $71.930 ($79.12) 36+ $67.630 ($74.39) 108+ $64.460 ($70.91)	Bytewide	HH:MM:SS	Day; Date; Month; Year; Century	RTC	HH:MM:SS	4.5V	5.5V	EDIP	EDIP	Bytewide	28Pins	-	-	0°C	70°C	-
RV-3049-C3-TB-QA-OPT.A	2358520 Data Sheet RoHS	MICRO CRYSTAL RTC IC Date Time Format (Year/Month/Date/Hr/Min/Sec 24Hr) SPI 1.3 V to 5.5 V SON-10	Each	1+ $6.580 ($7.24) 10+ $5.250 ($5.78) 25+ $4.900 ($5.39) 50+ $4.700 ($5.17) 100+ $4.510 ($4.96) More Pricing...	SPI	24Hr	YYYY:MM:DD:Hr:Min:Secs	RTC	24Hr	1.3V	5.5V	SON	SON	SPI	10Pins	-	-	-40°C	125°C	-
M41T93SMY6F	3367098 Data Sheet RoHS	STMICROELECTRONICS RTC W/BATTERY SWITCHOVER -40 TO 85DEG C	Each (Supplied on Cut Tape) Cut Tape	1+ $13.300 ($14.63) 10+ $10.320 ($11.35) 25+ $9.580 ($10.54) 50+ $9.180 ($10.10) 100+ $8.770 ($9.65) More Pricing...	Serial SPI	HH:MM:SS:hh	Day; Date; Month; Year; Century	RTC	HH:MM:SS:hh	3V	5.5V	SOIC	SOIC	Serial SPI	18Pins	-	-	-40°C	85°C	-
DS3232S#	2518900 Data Sheet RoHS	ANALOG DEVICES RTC IC Date Time Format (Day/Date/Month/Year 12Hr / 24Hr) I2C 2.3 V to 5.5 V SOIC-20	Each	1+ $22.300 ($24.53) 10+ $17.610 ($19.37) 36+ $16.050 ($17.66) 108+ $15.100 ($16.61) 252+ $14.530 ($15.98) More Pricing...	I2C	12Hr / 24Hr	Day; Date; Month; Year	RTC	12Hr / 24Hr	2.3V	5.5V	SOIC	SOIC	I2C	20Pins	-	-	0°C	70°C	-
MCP795W10-I/ST	3052733 Data Sheet RoHS	MICROCHIP RTCC Date Time Format (YY/MM/DD/dd HH:MM:SS:hh) SPI 1.8V to 3.6V Supply TSSOP-14	Each	1+ $2.790 ($3.07) 25+ $2.460 ($2.71) 100+ $2.420 ($2.66)	SPI	HH:MM:SS:hh	YY-MM-DD-dd	RTCC	HH:MM:SS:hh	1.8V	3.6V	TSSOP	TSSOP	SPI	14Pins	-	-	-40°C	85°C	-
RV-3049-C3-TA-QC-OPT.B	2358519 Data Sheet RoHS	MICRO CRYSTAL RTC IC Date Time Format (Year/Month/Date/Hr/Min/Sec 24Hr) SPI 1.3 V to 5.5 V SON-10	Each	1+ $9.780 ($10.76) 10+ $7.810 ($8.59) 25+ $7.290 ($8.02) 50+ $6.980 ($7.68) 100+ $6.710 ($7.38) More Pricing...	SPI	24Hr	YYYY:MM:DD:Hr:Min:Secs	RTC	24Hr	1.3V	5.5V	SON	SON	SPI	10Pins	-	-	-40°C	85°C	-
Q418564C20005	1278031 Data Sheet RoHS	EPSON RTC IC YYYY:MM:DD:Hr:Min:Secs 12Hr / 24Hr 1.8 V to 5.5 V VSOJ 12Pins I2C	Each (Supplied on Cut Tape) Cut Tape	1+ $9.800 ($10.78) 10+ $8.480 ($9.33) 25+ $8.310 ($9.14) 50+ $8.160 ($8.98)	I2C	12Hr / 24Hr	YYYY:MM:DD:Hr:Min:Secs	RTC	12Hr / 24Hr	1.8V	5.5V	VSOJ	VSOJ	I2C	12Pins	-	-	-40°C	85°C	-
RV-3029-C3-TA-QC-OPT.B	2358511 Data Sheet RoHS	MICRO CRYSTAL RTC IC Date Time Format (Year/Month/Date/Hr/Min/Sec 24Hr) I2C 1.3 V to 5.5 V SON-10	Each	1+ $8.210 ($9.03) 10+ $5.660 ($6.23) 25+ $5.280 ($5.81) 50+ $4.960 ($5.46) 100+ $4.640 ($5.10) More Pricing...	I2C	24Hr	YYYY:MM:DD:Hr:Min:Secs	RTC	24Hr	1.3V	5.5V	SON	SON	I2C	10Pins	-	-	-40°C	85°C	-
RV-3029-C2-TB-QA-OPT.A	2358508 Data Sheet RoHS	MICRO CRYSTAL RTC IC Date Time Format (Year/Month/Date/Hr/Min/Sec 24Hr) I2C 1.3 V to 5.5 V SON-10	Each	1+ $14.710 ($16.18) 10+ $11.730 ($12.90) 25+ $10.950 ($12.04) 50+ $10.500 ($11.55) 100+ $10.090 ($11.10) More Pricing...	I2C	24Hr	YYYY:MM:DD:Hr:Min:Secs	RTC	24Hr	1.3V	5.5V	SON	SON	I2C	10Pins	-	-	-40°C	125°C	-
RV-3029-C3-TB-QA-OPT.A	2358512 Data Sheet RoHS	MICRO CRYSTAL RTC IC Date Time Format (Year/Month/Date/Hr/Min/Sec 24Hr) I2C 1.3 V to 5.5 V SON-10	Each	1+ $6.210 ($6.83) 10+ $4.950 ($5.44) 25+ $4.620 ($5.08) 50+ $4.430 ($4.87) 100+ $4.260 ($4.69) More Pricing...	I2C	24Hr	YYYY:MM:DD:Hr:Min:Secs	RTC	24Hr	1.3V	5.5V	SON	SON	I2C	10Pins	-	-	-40°C	125°C	-