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RTCs

Compare Image Name Manufacturer Pricing(USD) Quantity Weight(Kg) Size(LxWxH) Datasheet Factory Lead Time Mount Packaging Published Series Pbfree Code Part Status Moisture Sensitivity Level (MSL) Number of Terminations ECCN Code Max Operating Temperature Min Operating Temperature Operating Supply Voltage Length RoHS Status Lead Free Contact Plating Radiation Hardening Number of Pins Package / Case Interface Max Supply Voltage Reach Compliance Code Min Supply Voltage Height Width Mounting Type Operating Temperature Technology Height Seated (Max) HTS Code Type JESD-609 Code Terminal Finish Terminal Position Terminal Form Peak Reflow Temperature (Cel) Supply Voltage Time@Peak Reflow Temperature-Max (s) Base Part Number Pin Count Temperature Grade Surface Mount Terminal Pitch JESD-30 Code Supply Voltage-Min (Vsup) Operating Temperature (Max) Operating Temperature (Min) Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Feature Supplier Device Package Number of Terminals Logic Function Accuracy Memory Size Voltage - Supply Time Format External Data Bus Width uPs/uCs/Peripheral ICs Type Clock Frequency Time-Min Interrupt Capability Volatile Information Access Method Non-Volatile Memory Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
DS1744-70IND+ DS1744-70IND+ Maxim Integrated 0.0000
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Min: 1

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0.00000000 download 13 Weeks Tube 2011 yes Active 1 (Unlimited) 28 EAR99 38.227mm ROHS3 Compliant Lead Free 28 28-DIP Module (0.600, 15.24mm) Parallel 15.24mm Through Hole -40°C~85°C CMOS 10.668mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL NOT SPECIFIED 5V NOT SPECIFIED DS1744 28 NO 2.54mm Timer or RTC Not Qualified 5V Leap Year, NVSRAM, Y2K 32KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 4mA @ 5V
ISL12059IBZ ISL12059IBZ Renesas Electronics America 0.0000
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Min: 1

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0.00000000 download Tube Obsolete 2 (1 Year) ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar ISL12059 Leap Year 1.8V~3.6V HH:MM:SS (24 hr) YY-MM-DD-dd 0.65μA @ 1.8V
X1288S16-2.7A X1288S16-2.7A Renesas Electronics America 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial Surface Mount 0°C~70°C Clock/Calendar X1288 Alarm, Leap Year, Supervisor, Watchdog Timer 2.7V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
S-35190A-T8T1G S-35190A-T8T1G Seiko 0.0000
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Min: 1

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0.00000000
PCF8523T/1,118 PCF8523T/1,118 NXP Semiconductors 0.0000
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Min: 1

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0.00000000 download 7 Weeks Tape & Reel (TR) 2010 Active 1 (Unlimited) 8 4.9mm ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm 8542.39.00.01 Clock/Calendar DUAL NOT SPECIFIED 3V NOT SPECIFIED PCF8523 8 YES 1.27mm R-PDSO-G8 Timer or RTC Not Qualified 1.2/5.5V Alarm, Leap Year, Watchdog Timer 1.6V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y YES I2C 1 YY-MM-DD-dd 0.5μA @ 2V~5V 1.8V~5.5V
RX4901CE XS B06 RX4901CE XS B06 EPSON 0.0000
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0.00000000
RX-4803LC:UA PURE SN RX-4803LC:UA PURE SN EPSON 0.0000
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0.00000000 download 15 Weeks Strip RX-4803LC Active 1 (Unlimited) ROHS3 Compliant 12-TFSOJ (0.094, 2.40mm Width) SPI Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 12-VSOJ 1.6V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 2.1μA~3.4μA @ 3V~5V
DS1557P-70 DS1557P-70 Rochester Electronics 0.0000
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Min: 1

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0.00000000 download Tube no Obsolete 3 (168 Hours) 34 Non-RoHS Compliant 34-PowerCap™ Module Parallel Surface Mount 0°C~70°C Clock/Calendar e0 TIN LEAD DUAL 240 5V NOT SPECIFIED 34 YES R-XDMA-U34 COMMERCIAL Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 512KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz YY-MM-DD-dd 6mA @ 5V 3V
DS1340U-3+T&R DS1340U-3+T&R Maxim Integrated 0.0000
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Min: 1

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0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2002 Active 1 (Unlimited) 85°C -40°C 3V ROHS3 Compliant Lead Free No 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 3.3V 2.7V Surface Mount -40°C~85°C Clock/Calendar DS1340 Leap Year, Trickle-Charger 8-uSOP Clock 2.7V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 125μA @ 3.3V 1.3V~3.7V
RV-3049-C3-32.768K-OPTION-B-TB-QA RV-3049-C3-32.768K-OPTION-B-TB-QA Micro Crystal 0.0000
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0.00000000
DS2404B+T&R DS2404B+T&R Dallas Semiconductor 0.0000
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Min: 1

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0.00000000 Lead Free
PT7C4307WEX PT7C4307WEX Pericom Semiconductor Corp. (Diodes Incorporated) 0.0000
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Min: 1

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0.00000000 Cut Tape (CT) 8 EAR99 4.9mm RoHS Compliant compliant 3.9mm CMOS 1.75mm 8542.39.00.01 DUAL GULL WING 5V INDUSTRIAL YES 1.27mm R-PDSO-G8 4.5V 85°C -40°C Timer or RTC Not Qualified 5V 5.5V TIMER, REAL TIME CLOCK SECONDS Y NO I2C 1
DS17487N-3 DS17487N-3 Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Through Hole Tube 2012 no Obsolete 1 (Unlimited) 24 EAR99 3V 31.75mm Non-RoHS Compliant Contains Lead No 24 24-DIP Module (0.600, 15.24mm) Parallel Through Hole -40°C~85°C CMOS 5.08mm 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 3V DS17487 24 2.54mm Timer or RTC 3V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Clock 4KB 2.7V~3.7V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 2mA @ 2.7V~3.7V 2.5V~3.7V
DS1375T+T&R DS1375T+T&R Maxim Integrated 0.0000
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Min: 1

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0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2008 Active 1 (Unlimited) 85°C -40°C 3.3V ROHS3 Compliant Lead Free Tin No 6 6-WDFN Exposed Pad I2C, 2-Wire Serial 5.5V 1.7V Surface Mount -40°C~85°C Clock/Calendar DS1375 Alarm, Leap Year, Square Wave Output 6-TDFN-EP (3x3) Clock 16B 1.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.5μA @ 1.7V~5.5V
PT7C4337LEX PT7C4337LEX Pericom Semiconductor Corp. (Diodes Incorporated) 0.0000
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Min: 1

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0.00000000 8 EAR99 4.4mm RoHS Compliant 3mm CMOS 1.2mm 8542.39.00.01 DUAL GULL WING 3.3V 8 INDUSTRIAL YES 0.65mm R-PDSO-G8 1.8V 85°C -40°C Timer or RTC Not Qualified 2/5V 5.5V TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C 1
DS1557WP-120IND DS1557WP-120IND Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 3 (168 Hours) 34 Non-RoHS Compliant 34-PowerCap™ Module Parallel Surface Mount -40°C~85°C Clock/Calendar e0 TIN LEAD DUAL 240 3.3V NOT SPECIFIED 34 YES R-XDMA-U34 COMMERCIAL Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 512KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz YY-MM-DD-dd 4mA @ 3.3V 3V
PCF8583T/F4,112 PCF8583T/F4,112 NXP Semiconductors / Freescale 0.0000
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0.00000000 download Non-RoHS Compliant
X1288V14 X1288V14 Intersil (Renesas Electronics America) 0.0000
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Min: 1

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0.00000000 download Surface Mount Bulk 2005 1 14 EAR99 70°C 0°C 5mm RoHS Compliant Contains Lead TSSOP 2-Wire, I2C, Serial 4.4mm CMOS 1.2mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 5V 30 14 COMMERCIAL 0.65mm R-PDSO-G14 4.5V Timer or RTC Not Qualified 5V 5.5V 31.3kB HH:MM:SS:hh (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz 1/100SECOND Y YES I2C 1 YY-MM-DD-dd
DS14285S+T&R DS14285S+T&R Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Tape & Reel (TR) 2005 Obsolete 1 (Unlimited) ROHS3 Compliant 24-SOIC (0.295, 7.50mm Width) Parallel Surface Mount 0°C~70°C Clock/Calendar DS14285 Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 24-SOIC 114B 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.5μA @ 4.5V~5.5V 2.5V~3.6V
ISL12022MIBZ ISL12022MIBZ Intersil (Renesas Electronics America) 0.0000
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Min: 1

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0.00000000 download 6 Weeks Surface Mount 2007 Active 1 20 EAR99 85°C -40°C 13mm RoHS Compliant Lead Free Tin No 20 SOIC 2-Wire, I2C, Serial 5.5V 2.7V 2.35mm 7.6mm CMOS 8542.39.00.01 e3 DUAL 260 3V 30 20 INDUSTRIAL 1.27mm Timer or RTC 3/5V Clock 0.0005 % 128B HH:MM:SS 0.032MHz SECONDS Y I2C 128 B YY-MM-DD-dd
AB-RTCMC-32.768KHZ-AIGZ-S7-T AB-RTCMC-32.768KHZ-AIGZ-S7-T Abracon LLC 0.0000
RFQ

Min: 1

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0.00000000 download 13 Weeks Surface Mount Tape & Reel (TR) Active 1 (Unlimited) 85°C -40°C 3V RoHS Compliant Lead Free No 8 8-WCDFN I2C, 2-Wire Serial 4.4V 1.3V Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, Watchdog Timer 8-CLCC (3.2x1.5) Clock 1V~4.4V HH:MM:SS:hh (24 hr) YY-MM-DD-dd 0.4μA~0.95μA @ 1V~4.4V
ISL12032IVZ-T ISL12032IVZ-T Intersil 0.0000
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Min: 1

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0.00000000
DS1553P-70+ DS1553P-70+ Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 download Surface Mount Tube 2010 Obsolete 3 (168 Hours) 34 EAR99 ROHS3 Compliant Lead Free 34-PowerCap™ Module Parallel Surface Mount 0°C~70°C CMOS 8542.39.00.01 Clock/Calendar e3 MATTE TIN DUAL NOT SPECIFIED 5V NOT SPECIFIED DS1553 34 R-XDMA-U34 Not Qualified Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K Clock 8KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz YY-MM-DD-dd 3mA @ 5V 3V
MCP79522-I/MS MCP79522-I/MS Microchip Technology 0.0000
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Min: 1

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0.00000000 download 5 Weeks Tube 2012 Active 1 (Unlimited) 10 EAR99 3mm ROHS3 Compliant Lead Free No 10 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) SPI 950μm 3mm Surface Mount -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 3V 40 MCP79522 YES 0.5mm Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID Clock 64B 1.8V~3.6V HH:MM:SS:hh (12/24 hr) 5MHz YY-MM-DD-dd 1μA @ 1.8V~3.6V 1.3V~3.6V
S-35190A-I8T1G S-35190A-I8T1G Seiko 0.0000
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Min: 1

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0.00000000
DS1391U-3+T&R DS1391U-3+T&R Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2002 Active 1 (Unlimited) 85°C -40°C 3V ROHS3 Compliant Lead Free No 10 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) SPI 3.3V 2.7V Surface Mount -40°C~85°C Clock/Calendar DS1391 Alarm, Leap Year, Square Wave Output, Trickle-Charger 10-uMAX Clock 2.7V~3.3V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 125μA @ 2.7V~3.3V 1.3V~3.7V
X1286V14IT1 X1286V14IT1 Intersil Corporation 0.0000
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0.00000000 1 EAR99 5mm Non-RoHS Compliant compliant 4.4mm CMOS 1.2mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL GULL WING 240 5V 30 14 INDUSTRIAL YES 0.65mm R-PDSO-G14 2.7V 85°C -40°C Timer or RTC Not Qualified 3/5V 5.5V 14 TIMER, REAL TIME CLOCK 0.032MHz 1/100SECOND Y NO I2C 1
ISL12057IUZ-T ISL12057IUZ-T Renesas Electronics America 0.0000
RFQ

Min: 1

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0.00000000 download 6 Weeks Tape & Reel (TR) 2008 Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.1mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 3V 30 ISL12057 8 YES 0.65mm S-PDSO-G8 Not Qualified Alarm, Leap Year 1.8V~3.6V HH:MM:SS (12/24 hr) 0.032MHz I2C YY-MM-DD-dd 0.65μA @ 1.8V
S-35392A-I8T1U S-35392A-I8T1U ABLIC U.S.A. Inc. 0.0000
RFQ

Min: 1

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0.00000000 download 18 Weeks Tape & Reel (TR) Active 1 (Unlimited) 8 EAR99 2.23mm RoHS Compliant 8-SMD, Flat Lead I2C, 2-Wire Serial 1.97mm Surface Mount -40°C~85°C CMOS 0.5mm 8542.39.00.01 Clock/Calendar e3 TIN DUAL 3V 8 YES 0.5mm R-PDSO-F8 Not Qualified Alarm, Leap Year 1.3V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SERIAL, 2-WIRE/I2C 1 YY-MM-DD-dd 14μA~30μA @ 3V~5V
PCF8593T,112 PCF8593T,112 NXP Semiconductors 0.0000
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0.00000000
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