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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 Radiation Hardening Number of Pins Package / Case Interface Max Supply Voltage REACH SVHC 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) Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Feature Supplier Device Package Logic Function Memory Size Function 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
DS1558Y+TRL DS1558Y+TRL Maxim Integrated 0.0000
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0.00000000 download 8 Weeks Tape & Reel (TR) 2009 yes Active 3 (168 Hours) 48 EAR99 7mm ROHS3 Compliant Lead Free 48-LQFP Parallel 7mm Surface Mount -40°C~85°C CMOS 1.2mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) QUAD 260 5V NOT SPECIFIED DS1558 48 YES 0.5mm S-PQFP-G48 Timer or RTC Not Qualified 5V Alarm, Leap Year, Watchdog Timer, Y2K 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 6mA @ 5V 2.5V~3.7V
X1288S16T1 X1288S16T1 Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) 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 4.5V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
R2051S01-E2-F R2051S01-E2-F Ricoh Electronic Devices Company 0.0000
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0.00000000 download 9 Weeks Tape & Reel (TR) Active 1 (Unlimited) RoHS Compliant Lead Free 16-LSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 16-SSOP Clock 2.34V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1μA @ 3V
ISL12027IB27AZ-T ISL12027IB27AZ-T Rochester Electronics 0.0000
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0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, Supervisor, Watchdog Timer 8-SOIC 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
X1286V14T1 X1286V14T1 Intersil 0.0000
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0.00000000
X1288S16I-4.5AT1 X1288S16I-4.5AT1 Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) Non-RoHS Compliant 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar X1288 Alarm, Leap Year, Supervisor, Watchdog Timer 4.5V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
X1226V8Z X1226V8Z Intersil 0.0000
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0.00000000
RTC-8564NB:B:ROHS RTC-8564NB:B:ROHS EPSON 0.0000
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0.00000000 download 15 Weeks Surface Mount Tube RTC-8564NB Active 1 (Unlimited) 85°C -40°C ROHS3 Compliant 22 22-SMD, 20 Leads, Flat Leads I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Y2K 22-SON 1.8V~5.5V HH:MM:SS YY-MM-DD-dd 0.7μA~0.8μA @ 3V~5V
RX4901CE XS A06 RX4901CE XS A06 EPSON 0.0000
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0.00000000
IDT1338-18DVGI IDT1338-18DVGI Integrated Device Technology (IDT) 0.0000
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0.00000000 download Surface Mount 2006 85°C -40°C RoHS Compliant MSOP 2-Wire, I2C, Serial 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd
ISL12029IB27AZ ISL12029IB27AZ Rochester Electronics 0.0000
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0.00000000 download Tube Obsolete 2 (1 Year) ROHS3 Compliant 14-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, Supervisor, Watchdog Timer 14-SOIC 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
DS1743P-C01+ DS1743P-C01+ Maxim Integrated 0.0000
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0.00000000 yes 34 EAR99 RoHS Compliant 34 CMOS 8473.30.11.80 e3 Matte Tin (Sn) DUAL J INVERTED NOT SPECIFIED 5V NOT SPECIFIED 34 COMMERCIAL YES 4.5V 70°C Timer or RTC Not Qualified 3.3/5V 5.5V 8 TIMER, REAL TIME CLOCK 0.032MHz SECONDS N NO PARALLEL, DIRECT ADDRESS
X1288V14T1 X1288V14T1 Intersil 0.0000
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0.00000000
S-35190A-J8T1G S-35190A-J8T1G ABLIC U.S.A. Inc. 0.0000
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0.00000000 download 12 Weeks Tape & Reel (TR) yes Not For New Designs 1 (Unlimited) 8 EAR99 5.02mm RoHS Compliant 8-SOIC (0.154, 3.90mm Width) 3-Wire Serial 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm 8542.39.00.01 Clock/Calendar e6/e2 TIN BISMUTH/TIN SILVER DUAL 260 3V 10 8 YES 1.27mm R-PDSO-G8 Not Qualified Alarm, Leap Year 1.3V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SERIAL, 3-WIRE 1 YY-MM-DD-dd 0.93μA~1.1μA @ 3V~5V
PCF2129T/1,518 PCF2129T/1,518 NXP Semiconductors / Freescale 0.0000
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0.00000000 download Non-RoHS Compliant
ISL1220IUZ-T ISL1220IUZ-T Renesas Electronics America Inc. 0.0000
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0.00000000 download 6 Weeks Cut Tape (CT) 2004 Active 2 (1 Year) EAR99 ROHS3 Compliant 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed NOT SPECIFIED NOT SPECIFIED ISL1220 10 Alarm, Leap Year, SRAM 8B 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 4μA~6μA @ 3V~5V 1.8V~5.5V
DS1644P-120+ DS1644P-120+ Maxim Integrated 0.0000
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0.00000000 download 14 Weeks Tube 2005 yes Obsolete 3 (168 Hours) 34 EAR99 ROHS3 Compliant Lead Free 34 34-PowerCap™ Module Parallel not_compliant Surface Mount 0°C~70°C CMOS 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL NOT SPECIFIED 5V NOT SPECIFIED DS1644 34 YES Timer or RTC Not Qualified 5V Leap Year, NVSRAM 32KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 4mA @ 4.5V~5.5V 3V
ISL12025IVZ ISL12025IVZ Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount 1999 Active 1 8 EAR99 85°C -40°C 3.3V 3.05mm RoHS Compliant No 8 TSSOP 2-Wire, I2C, Serial 5.5V 2.7V 1.05mm 4.5mm CMOS e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 40 INDUSTRIAL 0.65mm Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
RX-8803LC:UA PURE SN RX-8803LC:UA PURE SN EPSON 0.0000
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0.00000000 download 15 Weeks RX-8803LC Active 1 (Unlimited) ROHS3 Compliant 12-TFSOJ (0.094, 2.40mm Width) I2C Surface Mount -40°C~85°C Clock/Calendar Alarm 1.6V~5.5V HH:MM:SS YY-MM-DD 2.1μA~3.4μA @ 3V~5V
DS12CR887-5+ DS12CR887-5+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Through Hole Tube 2003 yes Active 1 (Unlimited) 24 EAR99 5V 33.782mm ROHS3 Compliant Lead Free No 24 24-DIP Module (0.600, 15.24mm) Parallel Unknown Through Hole -40°C~85°C CMOS 9.398mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 5V DS12CR887 24 2.54mm Timer or RTC 5V Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger Clock 114B 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 2mA @ 4.5V~5.5V 2V~3.05V
ISL12025IVZ-T ISL12025IVZ-T Intersil (Renesas Electronics America) 0.0000
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0.00000000 download Surface Mount Tape & Reel 1999 Active 1 8 EAR99 85°C -40°C 3.3V 4.4mm RoHS Compliant No TSSOP 2-Wire, I2C, Serial 5.5V 2.7V 3mm CMOS 1.2mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 40 8, 8 INDUSTRIAL 0.65mm R-PDSO-G8 Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
RV5C387A-E2-F RV5C387A-E2-F Ricoh Electronic Devices Company 0.0000
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0.00000000 download 9 Weeks Tape & Reel (TR) Active 1 (Unlimited) RoHS Compliant 10-LFSOP, 10-MSOP (0.110, 2.80mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 10-SSOP-G 2V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.8μA @ 3V
ISL12020MIRZ ISL12020MIRZ Renesas Electronics America 0.0000
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0.00000000 download 3 Weeks Tube 2008 Active 1 (Unlimited) 20 EAR99 5.5mm ROHS3 Compliant 20-PowerLFDFN I2C, 2-Wire Serial 4mm Surface Mount -40°C~85°C CMOS 1.3mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 3V ISL12020 20 YES 0.5mm R-PDSO-N20 Alarm, Daylight Savings, Leap Year, SRAM 128B 2.7V~5.5V HH:MM:SS (12/24 hr) I2C YY-MM-DD-dd 14μA~15μA @ 3V~5V 1.8V~5.5V
RX-4574LC:B3 PURE SN RX-4574LC:B3 PURE SN EPSON 0.0000
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0.00000000 download 15 Weeks Tape & Reel (TR) RX-4581NB Active 1 (Unlimited) ROHS3 Compliant 12-TFSOJ (0.094, 2.40mm Width) 3-Wire Serial 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 0.7μA~0.9μA @ 3V~5V
ISL1218IUZ ISL1218IUZ Renesas Electronics America 0.0000
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0.00000000 download 6 Weeks Tube 2004 Active 2 (1 Year) EAR99 ROHS3 Compliant 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) NOT SPECIFIED NOT SPECIFIED ISL1218 8 Alarm, Leap Year, SRAM 8B 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 4μA~6μA @ 3V~5V 1.8V~5.5V
AB0805-T3 AB0805-T3 Abracon LLC 0.0000
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0.00000000 download 13 Weeks Surface Mount Cut Tape (CT) 2012 Active 1 (Unlimited) 85°C -40°C RoHS Compliant Lead Free No 16 16-VFQFN Exposed Pad I2C, 2-Wire Serial 3.6V No SVHC 1.7V Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, SRAM, Trickle-Charger, Watchdog Timer 16-QFN (3x3) Clock 256B 1.7V~3.6V HH:MM:SS:hh 256 B YY-MM-DD-dd 0.17μA~0.22μA @ 1.8V~3V 1.5V~3.6V
RA-4574SA:B3 PURE SN RA-4574SA:B3 PURE SN EPSON 0.0000
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0.00000000 download 13 Weeks Tape & Reel (TR) RA-4574SA Active 1 (Unlimited) ROHS3 Compliant 14-SSOP (0.209, 5.30mm Width) SPI Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 14-SOP 1.6V~5.5V HH:MM:SS YY-MM-DD-dd 0.5μA~1μA @ 3V~5V
X1288V14-4.5AT1 X1288V14-4.5AT1 Intersil (Renesas Electronics America) 0.0000
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0.00000000 Surface Mount Tape & Reel (TR) 1 14 EAR99 70°C 0°C 5mm Non-RoHS Compliant Contains Lead TSSOP 2-Wire, I2C, Serial not_compliant 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
RX-4803SAUA0 PURE SN RX-4803SAUA0 PURE SN EPSON 0.0000
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0.00000000
M48T35Y-70PC1XXXXXXX M48T35Y-70PC1XXXXXXX STMicroelectronics 0.0000
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0.00000000 download Tube Active RoHS Compliant 28 Clock/Calendar/NV Timekeeping RAM/Watchdog Timer/Battery Backup HH:MM:SS DW:DM:M:Y
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