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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 Width Mounting Type 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 Surface Mount Terminal Pitch JESD-30 Code Subcategory Qualification Status Power Supplies Number of Outputs Feature Supplier Device Package Logic Function Memory Size Number of Bits Voltage - Supply Time Format External Data Bus Width Clock Frequency Time-Min Interrupt Capability Volatile Information Access Method Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
ISL12059IBZ ISL12059IBZ Renesas Electronics America 0.0000
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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
DS1244YP-70+ DS1244YP-70+ Maxim Integrated 0.0000
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0.00000000 download 11 Weeks Tube 2011 yes Active 3 (168 Hours) 34 EAR99 25.019mm ROHS3 Compliant Lead Free 34-PowerCap™ Module Parallel not_compliant 23.495mm Surface Mount 0°C~70°C CMOS 6.858mm 8473.30.11.40 Phantom Time Chip e3 Matte Tin (Sn) DUAL NOT SPECIFIED 5V NOT SPECIFIED DS1244 34 YES 1.27mm R-XDMA-U34 Timer or RTC Not Qualified 5V Leap Year, NVSRAM 32KB 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND N NO YY-MM-DD-dd 10mA @ 5V 3V
IDT1339-31DVGI IDT1339-31DVGI Integrated Device Technology (IDT) 0.0000
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0.00000000 download Surface Mount 2006 85°C -40°C RoHS Compliant TSSOP 2-Wire, I2C, Serial HH:MM:SS (12/24 hr) YY-MM-DD-dd
PCF8593T,118 PCF8593T,118 NXP Semiconductors 0.0000
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RX-8803LC:UB6 PURE SN RX-8803LC:UB6 PURE SN EPSON 0.0000
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0.00000000 download 15 Weeks Tape & Reel (TR) 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
DS1558Y-TRL DS1558Y-TRL Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) 2009 Obsolete 3 (168 Hours) 48 EAR99 5V 7mm Non-RoHS Compliant Contains Lead No 48 48-LQFP Parallel 7mm Surface Mount -40°C~85°C CMOS 1.2mm 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) QUAD 245 5V DS1558 48 0.5mm Timer or RTC 5V Alarm, Leap Year, Watchdog Timer, Y2K Clock 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
DS1244WP-120IND+ DS1244WP-120IND+ Maxim Integrated 0.0000
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0.00000000 download 16 Weeks Tube 2011 yes Obsolete 3 (168 Hours) 34 EAR99 25.019mm ROHS3 Compliant Lead Free 34-PowerCap™ Module Parallel 23.495mm Surface Mount -40°C~85°C CMOS 6.858mm 8473.30.11.40 Phantom Time Chip e3 Matte Tin (Sn) DUAL NOT SPECIFIED 3.3V NOT SPECIFIED DS1244 34 YES 1.27mm R-XDMA-U34 Timer or RTC Not Qualified 3.3V Leap Year, NVSRAM 32KB 2.97V~3.63V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND N NO YY-MM-DD-dd 7mA @ 3.3V 3V
DS1254WB-C02 DS1254WB-C02 Maxim Integrated 0.0000
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0.00000000 Surface Mount Tray Obsolete 1 (Unlimited) 70°C 0°C ROHS3 Compliant 80 80-BBGA Parallel Surface Mount Phantom Time Chip DS1254 Leap Year, NVSRAM 2MB 3V~3.7V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 3V
DS1315-5+ DS1315-5+ Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Tube 2005 yes Active 1 (Unlimited) 16 EAR99 ROHS3 Compliant Lead Free 16 16-DIP (0.300, 7.62mm) Parallel 7.62mm Through Hole 0°C~70°C CMOS 4.572mm Phantom Time Chip e3 Matte Tin (Sn) DUAL 260 5V 30 DS1315 16 NO 2.54mm Timer or RTC Not Qualified 5V 1 Leap Year 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 0.032MHz N YES SERIAL, FIXED PROTOCOL YY-MM-DD-dd 1.3mA @ 5V 2.5V~3.7V
1339C-31SRI8 1339C-31SRI8 Renesas Electronics America 0.0000
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0.00000000 download Tape & Reel (TR) Last Time Buy 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 IDT1339 Alarm, Leap Year, Square Wave Output, Trickle-Charger 16-SOIC 3.3V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 200μA @ 3.63V~5.5V 1.3V~3.7V
X1228V14I-2.7 X1228V14I-2.7 Renesas Electronics America 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 14-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar 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
IDT1338-31DVGI IDT1338-31DVGI Integrated Device Technology (IDT) 0.0000
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0.00000000 download Surface Mount 2006 85°C -40°C RoHS Compliant 8 MSOP 2-Wire, I2C, Serial 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd
DS1747P-70IND+ DS1747P-70IND+ Maxim Integrated 0.0000
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0.00000000 download 10 Weeks Tray 2012 yes Active 3 (168 Hours) 34 EAR99 25.019mm ROHS3 Compliant Lead Free 34-PowerCap™ Module Parallel 23.495mm Surface Mount -40°C~85°C CMOS 2.3368mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V NOT SPECIFIED DS1747 34 YES 1.27mm R-XDMA-U34 Timer or RTC Not Qualified 5V Leap Year, NVSRAM, Y2K 512KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 4mA @ 5V 3V
X1227V8I-2.7 X1227V8I-2.7 Intersil 0.0000
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ISL12027IV30AZ ISL12027IV30AZ Intersil 0.0000
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DS1339AU+T DS1339AU+T Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2002 Active 1 (Unlimited) 8 EAR99 3.3V 3mm ROHS3 Compliant Tin No 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 DUAL 3.3V DS1339 0.65mm Alarm, Leap Year, Square Wave Output, Trickle-Charger Clock 1.71V~5.5V HH:MM:SS (12/24 hr) I2C 1 YY-MM-DD-dd 200μA @ 1.71V~5.5V 1.3V~3.7V
X1228S14-2.7A X1228S14-2.7A Renesas Electronics America 0.0000
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0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 14-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount 0°C~70°C Clock/Calendar 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
X1227S8Z-2.7A X1227S8Z-2.7A Rochester Electronics 0.0000
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0.00000000 download Tube yes Obsolete 1 (Unlimited) 8 4.9022mm ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9116mm Surface Mount 0°C~70°C CMOS 1.7272mm Clock/Calendar e3 MATTE TIN DUAL 260 5V 40 8 YES 1.27mm R-PDSO-G8 COMMERCIAL Alarm, Leap Year, Supervisor, Watchdog Timer 2.7V~5.5V HH:MM:SS (12/24 hr) 0.032MHz I2C 1 YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
RX-4571SA:B0 PURE SN RX-4571SA:B0 PURE SN EPSON 0.0000
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DS1685QN-5/T&R DS1685QN-5/T&R Maxim Integrated 0.0000
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0.00000000 download Tape & Reel (TR) 2012 Obsolete 1 (Unlimited) 85°C -40°C Non-RoHS Compliant Contains Lead 28-LCC (J-Lead) Parallel 5.5V 4.5V Surface Mount -40°C~85°C Clock/Calendar DS1685 Alarm, NVSRAM, Square Wave Output, Y2K 28-PLCC (11.51x11.51) Clock 242B 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 3mA @ 5V 2.5V~3.7V
ISL12057IUZ ISL12057IUZ Renesas Electronics America 0.0000
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0.00000000 download 6 Weeks Tube Active 1 (Unlimited) 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) - annealed NOT SPECIFIED NOT SPECIFIED ISL12057 8 Alarm, Leap Year 1.8V~3.6V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.65μA @ 1.8V
DS1344D-33+T&R DS1344D-33+T&R Maxim Integrated 0.0000
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0.00000000 download 6 Weeks Surface Mount Digi-Reel® 2002 Active 1 (Unlimited) 85°C -40°C 3.3V ROHS3 Compliant No 14 14-WFDFN Exposed Pad SPI 5.5V Unknown 3V Surface Mount -40°C~85°C Clock/Calendar DS1344 Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger 14-TDFN-EP (3x3) Clock 96B 3V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 120μA~160μA @ 3.63V~5.5V 1.3V~5.5V
PCF85363ATL/AX PCF85363ATL/AX NXP Semiconductors 0.0000
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0.00000000 download 7 Weeks Tape & Reel (TR) 2010 Active 1 (Unlimited) 10 2.6mm ROHS3 Compliant 10-XFDFN Exposed Pad I2C, 2-Wire Serial 2.6mm Surface Mount -40°C~85°C CMOS 0.5mm Clock/Calendar DUAL NOT SPECIFIED 3.3V NOT SPECIFIED PCF85363 10 YES 0.5mm S-PDSO-N10 Alarm, Leap Year, Watchdog Timer 64B 0.9V~5.5V HH:MM:SS:hh (12/24 hr) I2C 1 YY-MM-DD-dd 0.885μA @ 3.3V 0.9V~5.5V
BQ4832YMA-85 BQ4832YMA-85 Texas Instruments 211.6764
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0.00000000 download Through Hole Tray Obsolete 1 (Unlimited) 70°C 0°C 5V ROHS3 Compliant Contains Lead Tin No 32 32-DIP Module (0.61, 15.49mm) Parallel 5.5V 4.5V Through Hole 0°C~70°C Clock/Calendar BQ4832 Alarm, Supervisor, Watchdog Timer 32-DIP Module (18.42x42.8) Clock 250kB 4.5V~5.5V HH:MM:SS:hh (24 hr) YY-MM-DD-dd 4mA @ 4.5 V~5.5 V
DS1244WP-120+ DS1244WP-120+ Maxim Integrated 0.0000
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0.00000000 download 11 Weeks Tray 2011 yes Active 3 (168 Hours) 34 EAR99 25.019mm ROHS3 Compliant Lead Free 34-PowerCap™ Module Parallel not_compliant 23.495mm Surface Mount 0°C~70°C CMOS 6.858mm 8473.30.11.40 Phantom Time Chip e3 Matte Tin (Sn) DUAL NOT SPECIFIED 3.3V NOT SPECIFIED DS1244 34 YES 1.27mm R-XDMA-U34 Timer or RTC Not Qualified 3.3V Leap Year, NVSRAM 32KB 2.97V~3.63V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND N NO YY-MM-DD-dd 7mA @ 3.3V 3V
MCP795W21T-I/SL MCP795W21T-I/SL Microchip Technology 0.0000
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0.00000000 download 5 Weeks Surface Mount Tape & Reel (TR) 2011 Active 1 (Unlimited) 14 EAR99 8.65mm ROHS3 Compliant No 14 ALSO OPEARTES AT 1.8 V MINIMUM SUPPLY AT 3 MHZ 14-SOIC (0.154, 3.90mm Width) SPI 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 5V 40 MCP795W21 14 1.27mm Timer or RTC 2/5V Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer Clock 64B 8 1.8V~3.6V HH:MM:SS:hh (12/24 hr) 10MHz 1/100SECOND Y NO YY-MM-DD-dd 1μA @ 1.8V~5.5V 1.3V~3.6V
DS1673E-5 DS1673E-5 Maxim Integrated 0.0000
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0.00000000 download Tube 2009 no Obsolete 1 (Unlimited) 20 EAR99 6.5mm Non-RoHS Compliant Contains Lead 3-CHANNEL, 8-BIT ADC 20-TSSOP (0.173, 4.40mm Width) 3-Wire Serial not_compliant 4.4mm Surface Mount 0°C~70°C MOS 1.1mm 8542.39.00.01 Portable System Controller e0 Tin/Lead (Sn/Pb) DUAL 240 5V 20 DS1673 20 YES 0.65mm R-PDSO-G20 Timer or RTC Not Qualified 5V Alarm, Leap Year, Watchdog Timer 4.5V~5.5V HH:MM:SS (12/24 hr) 1 0.032MHz SECONDS Y YES SERIAL, 3-WIRE YY-MM-DD-dd 300μA @ 5V 2.5V~3.7V
X1228S14I X1228S14I Intersil 0.0000
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0.00000000
DP8573AV DP8573AV Texas Instruments 0.0000
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0.00000000 download Surface Mount Tube Obsolete 2A (4 Weeks) 28 EAR99 5V 11.43mm Non-RoHS Compliant Contains Lead No 28 PRESCALED XTAL OSCILLATOR OUTPUT FOR RTC; POWER FAIL I/P FOR BUS LOCK-OUT 28-LCC (J-Lead) Parallel 11.43mm Surface Mount -40°C~85°C CMOS 4.57mm 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) QUAD 245 5V 30 DP8573 28 1.27mm Timer or RTC Alarm, Leap Year Clock 32B 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND Y YES YY-MM-DD-dd 1μA @ 5V 2.2V~5.1V
MAX6902ETA+T MAX6902ETA+T Maxim Integrated 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) 2008 yes Obsolete 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant Lead Free 8-WDFN Exposed Pad SPI unknown 3mm Surface Mount -40°C~85°C CMOS 0.8mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3.3V NOT SPECIFIED MAX6902 8 0.65mm S-XDSO-N8 Timer or RTC Not Qualified 2.5/5V Alarm, Leap Year, NVSRAM, Y2K Clock 31B 2V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y SERIAL, 3-WIRE YY-MM-DD-dd 1.05μA~4.2μA @ 2V~5V
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