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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 Additional Feature Package / Case Interface Max Supply Voltage REACH SVHC Reach Compliance Code Min Supply Voltage Frequency Height Width Mounting Type Weight Operating Temperature Technology Height Seated (Max) HTS Code Type JESD-609 Code Terminal Finish Terminal Position 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) Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Voltage Number of Outputs Feature Supplier Device Package Source Url Status Check Date Logic Function Access Time Memory Size Memory Type Function Voltage - Supply Time Format External Data Bus Width uPs/uCs/Peripheral ICs Type Clock Frequency Time-Min Interrupt Capability Volatile Information Access Method Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
ISL12029IBAZ-T ISL12029IBAZ-T Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) 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 ISL12029 Alarm, Leap Year, Supervisor, Watchdog Timer 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
1338C-18SRI8 1338C-18SRI8 Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) Obsolete 3 (168 Hours) Non-RoHS Compliant 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar IDT1338 Leap Year, NVSRAM, Square Wave Output 56B 3.3V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 2μA @ 3.3V 1.3V~3.7V
RX4901CE XB B06 RX4901CE XB B06 EPSON 0.0000
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0.00000000
PCF8583T/5,112 PCF8583T/5,112 NXP Semiconductors / Freescale 0.0000
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0.00000000 download RoHS Compliant 8 8 2013-06-14 00:00:00
PCF8563TS PCF8563TS NXP Semiconductors 0.0000
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0.00000000 download Tape and Reel Active Supplier Unconfirmed 8 Clock/Calendar/Alarm/Timer/Interrupt HH:MM:SS DW:DM:M:Y
X1228S14-4.5A X1228S14-4.5A Intersil (Renesas Electronics America) 0.0000
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0.00000000 Surface Mount 1 14 EAR99 70°C 0°C 8.6614mm Non-RoHS Compliant Contains Lead SOIC 2-Wire, I2C, Serial not_compliant 3.9116mm CMOS 1.7272mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 5V NOT SPECIFIED 14 COMMERCIAL 1.27mm R-PDSO-G14 2.7V Timer or RTC Not Qualified 3/5V 5.5V 3.9kB HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C 1 YY-MM-DD-dd
DS1307ZN+ DS1307ZN+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tube 2005 yes Active 1 (Unlimited) 8 EAR99 5V 5mm ROHS3 Compliant Lead Free Tin No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial No SVHC 32.768kHz 1.5mm 4mm Surface Mount 540.001716mg -40°C~85°C CMOS Clock/Calendar e3 DUAL 260 5V DS1307 8 Timer or RTC 5V 7V 1 Leap Year, NVSRAM, Square Wave Output Clock 56B RAM 4.5V~5.5V HH:MM:SS (12/24 hr) SECONDS N YES I2C 1 YY-MM-DD-dd 200μA @ 5V 2V~3.5V
PCF8583T/F4,112 PCF8583T/F4,112 NXP Semiconductors 0.0000
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0.00000000
DS1747WP-C03+ DS1747WP-C03+ Maxim Integrated 0.0000
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0.00000000 Surface Mount 85°C -40°C 3.3V RoHS Compliant No 34 Module Parallel Clock 512kB HH:MM:SS (24 hr) YY-MM-DD-dd
DS1339C-33# DS1339C-33# Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Tube 2002 yes Active 1 (Unlimited) 16 EAR99 10.3mm ROHS3 Compliant 16 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial 7.5mm Surface Mount -40°C~85°C CMOS 2.65mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL 240 3.3V 20 DS1339 16 YES 1.27mm Timer or RTC Not Qualified 3.3V Alarm, Leap Year, Square Wave Output, Trickle-Charger 2.97V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd 200μA @ 5.5V 1.3V~3.7V
ISL12022MIBZ-T7A ISL12022MIBZ-T7A Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) 20 Non-RoHS Compliant 20-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL ISL12022 YES 1.27mm R-PDSO-G20 Timer or RTC Not Qualified 3/5V Alarm, Daylight Savings, Leap Year, SRAM 128B 2.7V~5.5V HH:MM:SS (12/24 hr) SECONDS Y NO SERIAL, 2 WIRE/I2C YY-MM-DD-dd 14μA~15μA @ 3V~5V 1.8V~5.5V
ISL12029IV27AZ-T ISL12029IV27AZ-T Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) ROHS3 Compliant 14-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar ISL12029 Alarm, Leap Year, Supervisor, Watchdog Timer 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5.5V 1.8V~5.5V
X1226S8 X1226S8 Intersil 0.0000
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0.00000000
M48T35Y-70MH6E M48T35Y-70MH6E STMicroelectronics 0.0000
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0.00000000 download Surface Mount Tube Timekeeper® Obsolete 1 (Unlimited) 28 EAR99 5V 18.1mm ROHS3 Compliant Lead Free 28 28-SOP (0.350, 8.89mm Width) with SNAPHAT Sockets Parallel 70GHz 8.56mm Surface Mount -40°C~85°C CMOS 3.05mm 8542.39.00.01 Clock/Calendar DUAL 260 5V 10 M48T35 28 1.27mm Timers or RTCs Not Qualified 5V Leap Year Clock 70 ns 250kB 4.5V~5.5V HH:MM:SS (24 hr) 8 SECONDS N NO YY-MM-DD-dd 2mA @ 4.75V~5.5V
X1228V14IZ-2.7A X1228V14IZ-2.7A Renesas Electronics America 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) ROHS3 Compliant 14-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar e3 MATTE TIN NOT SPECIFIED NOT SPECIFIED X1228 Alarm, Leap Year, Supervisor, Watchdog Timer 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
DS1553P-100+ DS1553P-100+ Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tube 2010 yes Obsolete 3 (168 Hours) 34 EAR99 5V ROHS3 Compliant Lead Free No 34 A POWERCAP MODULE CONTAINING CRYSTAL AND BATTERY REQUIRED 34-PowerCap™ Module Parallel Surface Mount 0°C~70°C CMOS 8473.30.11.80 Clock/Calendar e3 MATTE TIN DUAL 5V DS1553 34 Timer or RTC 5V Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K Clock 8KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 3mA @ 5V 3V
IDT1337GDVGI8 IDT1337GDVGI8 Integrated Device Technology (IDT) 0.0000
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0.00000000 Surface Mount Tape & Reel (TR) 85°C -40°C RoHS Compliant 8 MSOP 2-Wire, I2C, Serial HH:MM:SS (12/24 hr) YY-MM-DD-dd
DS2417P/T&R DS2417P/T&R Maxim Integrated 0.0000
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0.00000000 download Tape & Reel (TR) 2009 Obsolete 1 (Unlimited) Non-RoHS Compliant Contains Lead 6-LSOJ (0.148, 3.76mm Width) 1-Wire® Serial Surface Mount -40°C~85°C Binary Counter DS2417 Unique ID 6-TSOC 2.5V~5.5V Binary Binary 0.45μA @ 2.5V~5.5V
X1227S8I-2.7T2 X1227S8I-2.7T2 Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) Non-RoHS Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar X1227 Alarm, Leap Year, Supervisor, Watchdog Timer 2.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
DS1339U-2+ DS1339U-2+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Tube 2002 yes Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant Lead Free 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.1mm Clock/Calendar e3 Matte Tin (Sn) DUAL 260 2V 30 DS1339 8 YES 0.65mm Timer or RTC Not Qualified 2V Alarm, Leap Year, Square Wave Output, Trickle-Charger 1.8V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd 100μA @ 2.2V 1.3V~3.7V
DS1340Z-3 DS1340Z-3 Maxim Integrated 0.0000
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0.00000000 download Tube 2002 no Obsolete 1 (Unlimited) 8 EAR99 4.9mm Non-RoHS Compliant Contains Lead 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial not_compliant 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm Clock/Calendar e0 TIN LEAD DUAL 245 3V NOT SPECIFIED DS1340 8 YES 1.27mm Timer or RTC Not Qualified 3V Leap Year, Trickle-Charger 2.7V~5.5V HH:MM:SS (24 hr) 0.032MHz SECONDS N NO I2C YY-MM-DD-dd 125μA @ 3.3V 1.3V~3.7V
PCF8583T/5,118 PCF8583T/5,118 NXP Semiconductors / Freescale 0.0000
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0.00000000 download RoHS Compliant 8 8 2013-06-14 00:00:00
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
DS1743W-150 DS1743W-150 Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2007 Obsolete 1 (Unlimited) 28 EAR99 3.3V 38.225mm Non-RoHS Compliant Contains Lead No 28 28-DIP Module (0.600, 15.24mm) Parallel 15.24mm Through Hole 0°C~70°C CMOS 10.67mm 8473.30.11.80 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 3.3V DS1743 28 2.54mm Timer or RTC Leap Year, NVSRAM, Y2K Clock 8KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 2mA @ 3.3V
DS1743-85IND+ DS1743-85IND+ Maxim Integrated 0.0000
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0.00000000 download Through Hole Tube 2012 yes Obsolete 1 (Unlimited) 34 EAR99 85°C -40°C 5V ROHS3 Compliant No 28 Parallel 5.5V 4.5V CMOS 8473.30.11.80 e3 Matte Tin (Sn) DUAL 5V 34 COMMERCIAL 2.54mm R-XDMA-U34 Timer or RTC Clock 8kB HH:MM:SS 8 0.032MHz SECONDS N NO YY-MM-DD-dd
DS1501YN+ DS1501YN+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Tube 2013 yes Not For New Designs 1 (Unlimited) 28 EAR99 36.83mm ROHS3 Compliant Lead Free 28-DIP (0.600, 15.24mm) Parallel 15.24mm Through Hole -40°C~85°C CMOS 5.08mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V NOT SPECIFIED DS1501 28 NO 2.54mm R-PDIP-T28 Timers or RTCs Not Qualified 5V Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K 256B 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 5mA @ 4.5V~5.5V 2.5V~3.7V
ISL1218IBZ-T ISL1218IBZ-T Renesas Electronics America 0.0000
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0.00000000 download 7 Weeks Tape & Reel (TR) 2004 Active 1 (Unlimited) EAR99 ROHS3 Compliant 8-SOIC (0.154, 3.90mm 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
DS1672-2 DS1672-2 Rochester Electronics 0.0000
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0.00000000 download Tube no Obsolete 1 (Unlimited) 8 9.375mm Non-RoHS Compliant 8-DIP (0.300, 7.62mm) I2C, 2-Wire Serial 7.62mm Through Hole -40°C~85°C 4.572mm Binary Counter e0 TIN LEAD DUAL 240 2V 20 8 NO 2.54mm R-PDIP-T8 COMMERCIAL Trickle-Charger 1.8V~2.2V Binary 0.032MHz I2C 500μA @ 2.2V 1.3V~3.63V
PT7C4302ZEE PT7C4302ZEE Diodes Incorporated 0.0000
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0.00000000 download Obsolete 1 (Unlimited) 8-WFDFN Exposed Pad 3-Wire Serial Surface Mount -40°C~85°C TA Clock/Calendar Leap Year, NVSRAM, Square Wave Output, Trickle-Charger 31B 1.2V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 25.3μA~81μA @ 2V~5V 1.5V~5.5V
BQ4845S-A4 BQ4845S-A4 Rochester Electronics 0.0000
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0.00000000 Tube Obsolete 1 (Unlimited) ROHS3 Compliant 28-SOIC (0.295, 7.50mm Width) Parallel Surface Mount 0°C~70°C Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer 28-SOIC 4.75V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.5mA Typ @ 4.5 V~5.5 V 2.3V~4V
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