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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 Height Width Mounting Type Weight Operating Temperature Technology Height Seated (Max) HTS Code Number of Functions 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) Output Current Feature Load Capacitance Supplier Device Package Number of Terminals Logic Function Access Time Screening Level 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
DS1338U-18+T&R DS1338U-18+T&R Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2013 Active 1 (Unlimited) 85°C -40°C 1.8V ROHS3 Compliant Tin No 8 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar DS1338 Leap Year, NVSRAM, Square Wave Output 8-uMAX Clock 56B 1.71V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 100μA @ 1.89V 1.3V~3.7V
DS17287-3+ DS17287-3+ Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 download 14 Weeks Tube 2000 yes Active 1 (Unlimited) 24 EAR99 33.782mm ROHS3 Compliant Lead Free 24 24-DIP Module (0.600, 15.24mm) Parallel not_compliant Through Hole 0°C~70°C CMOS 9.398mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL NOT SPECIFIED 3V NOT SPECIFIED DS17287 24 NO 2.54mm Timer or RTC Not Qualified 3V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 2KB 2.7V~3.7V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 2mA @ 2.7V~3.7V 2.5V~3.7V
DS1603 DS1603 Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 download Through Hole Tray 2002 no Obsolete 1 (Unlimited) 7 EAR99 5V 21.335mm Non-RoHS Compliant Contains Lead No 7 ONE BYTE PROTOCOL; 1 HZ FIXED O/P; 10 YEARS DATA RETENTION; ACCURACY 2 MIN/MONTH 14-DIP Module (0.335, 8.51mm) 3-Wire Serial Through Hole 0°C~70°C CMOS 8.38mm 8542.39.00.01 Elapsed Time Counter e0 TIN LEAD SINGLE 240 5V DS1603 7 2.54mm 1mA 50pF Clock, Counter 4.5V~5.5V Binary 2MHz SERIAL, 3-WIRE 1 50μA @ 5V 3V~4.5V
ISL1218IUZ ISL1218IUZ Intersil 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
RX-4571NB:B RX-4571NB:B EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks RX-4571NB Active 1 (Unlimited) ROHS3 Compliant 22-LFDFN 3-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 22-SON (6.3x4.8) 1.6V~5.5V 0.95μA~1μA @ 3V~5V
MCP79400T-I/SN MCP79400T-I/SN Microchip Technology 0.0000
RFQ

Min: 1

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0.00000000 download 7 Weeks Surface Mount Tape & Reel (TR) 1998 Active 1 (Unlimited) 8 EAR99 4.9mm ROHS3 Compliant Lead Free No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial 3.9mm Surface Mount -40°C~85°C CMOS 1.75mm Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 2.5V 40 MCP79400 8 1.27mm Timer or RTC 2/5V Alarm, Leap Year, Square Wave Output, SRAM, Unique ID Clock TS 16949 1.8V~5.5V HH:MM:SS (12/24 hr) 0.4MHz SECONDS Y I2C 64 B 1 YY-MM-DD-dd 1.2μA Typ @ 3.3V 1.3V~5.5V
RTC-4543SA:A0 RTC-4543SA:A0 EPSON 0.0000
RFQ

Min: 1

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0.00000000 download Surface Mount Tape & Reel (TR) Obsolete 1 (Unlimited) 85°C -40°C Non-RoHS Compliant 14 14-SOIC (0.209, 5.30mm Width) 3-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Leap Year 14-SOP 2.5V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 1μA~3μA @ 2V~5V
PCA8802UG/12KB/1,0 PCA8802UG/12KB/1,0 NXP Semiconductors 0.0000
RFQ

Min: 1

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0.00000000 Bulk 2011 Obsolete 1 (Unlimited) ROHS3 Compliant SEATED HGT_NOM; TERM PITCH-MAX 8-XFBGA, WLCSP I2C, 2-Wire Serial Surface Mount -40°C~85°C CMOS 8542.39.00.01 1 Binary Counter UPPER 3V PCA8802 YES X-PUUC-N 1.6V 5.5V Square Wave Output, Unique ID 1.6V~5.5V Binary 0.4μA @ 1.6V~5.5V
1339AC-2SRGI 1339AC-2SRGI Renesas Electronics America 0.0000
RFQ

Min: 1

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0.00000000 download 12 Weeks Tube Active 3 (168 Hours) ROHS3 Compliant 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, Square Wave Output, Trickle-Charger 16-SOIC 1.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 200μA @ 3.63V~5.5V 1.3V~3.7V
X1227S8-2.7T1 X1227S8-2.7T1 Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

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0.00000000 Surface Mount Tape & Reel 1 8 EAR99 70°C 0°C 4.9022mm RoHS Compliant Contains Lead No 8 SOIC 2-Wire, I2C, Serial 3.9116mm CMOS 1.7272mm e0 Tin/Lead (Sn/Pb) DUAL 240 5V 40 8 COMMERCIAL 1.27mm 2.7V Timer or RTC 3/5V 5.5V Clock 512B HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd
DS17487-3 DS17487-3 Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 download Through Hole Tube 2010 no Obsolete 1 (Unlimited) 24 EAR99 3V 33.782mm Non-RoHS Compliant Contains Lead No 24 24-DIP Module (0.600, 15.24mm) Parallel Through Hole 0°C~70°C CMOS 9.398mm 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 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
DS1393U-18+T&R DS1393U-18+T&R Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tape & Reel (TR) 2002 Obsolete 1 (Unlimited) 85°C -40°C 1.8V ROHS3 Compliant No 10 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) 3-Wire Serial 1.89V 1.71V Surface Mount -40°C~85°C Clock/Calendar DS1393 Alarm, Leap Year, Square Wave Output, Trickle-Charger 10-uMAX Clock 1.71V~1.89V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 100μA @ 1.71V~1.89V 1.3V~3.7V
DS1284QN+T&R DS1284QN+T&R Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) 2009 Obsolete 1 (Unlimited) ROHS3 Compliant Lead Free 28-LCC (J-Lead) Parallel Surface Mount -40°C~85°C Clock/Calendar DS1284 Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer 28-PLCC (11.51x11.51) 50B 4.5V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 7mA @ 5V 2.4V~3.5V
DS1388Z-33+T DS1388Z-33+T Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 download Surface Mount 2013 yes 1 8 EAR99 85°C -40°C RoHS Compliant Lead Free Tin 8 SOIC 3.3V 2.7V 3.91mm CMOS 1.75mm e3 DUAL 260 3.3V NOT SPECIFIED 8 INDUSTRIAL 1.27mm Timers or RTCs Not Qualified Clock HH:MM:SS:hh 0.032MHz 1/100SECOND Y NO I2C
DS1644-120+ DS1644-120+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube 2005 yes Obsolete 1 (Unlimited) 28 EAR99 ROHS3 Compliant Lead Free 28 28-DIP Module (0.600, 15.24mm) Parallel not_compliant Through Hole 0°C~70°C CMOS 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL NOT SPECIFIED 5V NOT SPECIFIED DS1644 28 NO 2.54mm Timer or RTC Not Qualified 5V Leap Year, NVSRAM 120 ns 32KB 4.5V~5.5V HH:MM:SS (24 hr) 8 SECONDS N NO YY-MM-DD-dd 4mA @ 4.5V~5.5V
DS2417PT DS2417PT Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 yes 1 6 EAR99 3.94mm RoHS Compliant Contains Lead compliant 3.76mm CMOS 1.5mm 8542.39.00.01 e3 Matte Tin (Sn) DUAL C BEND 260 3V 30 6 INDUSTRIAL YES 1.27mm R-PDSO-C6 2.5V 85°C -40°C Not Qualified 5.5V TIMER, REAL TIME CLOCK 0.032MHz SERIAL, 1-WIRE
ISL12028IBAZ ISL12028IBAZ Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount 2005 Active 2 14 EAR99 85°C -40°C 3.3V 8.65mm RoHS Compliant No 14 SOIC 2-Wire, I2C, Serial 5.5V 2.7V 3.9mm CMOS 1.75mm 8542.39.00.01 e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 40 INDUSTRIAL 1.27mm Timer or RTC 3/5V Clock HH:MM:SS 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd
BQ4845S-A4 BQ4845S-A4 Texas Instruments 0.0000
RFQ

Min: 1

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0.00000000 download Surface Mount Tube Obsolete 1 (Unlimited) 28 EAR99 5V 18mm ROHS3 Compliant Lead Free Gold No 28 28-SOIC (0.295, 7.50mm Width) Parallel 2.35mm 7.52mm Surface Mount 730.794007mg 0°C~70°C CMOS 8542.39.00.01 Clock/Calendar e4 DUAL 260 5V BQ4845 28 1.27mm Timer or RTC 5V Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer Clock 4.75V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 1.5mA Typ @ 4.5 V~5.5 V 2.3V~4V
DS14285SN+T&R DS14285SN+T&R Maxim Integrated 0.0000
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Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) 2005 Obsolete 1 (Unlimited) ROHS3 Compliant Lead Free 24-SOIC (0.295, 7.50mm Width) Parallel Surface Mount -40°C~85°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
X1226V8IZT1 X1226V8IZT1 Intersil Corporation 0.0000
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Min: 1

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0.00000000 1 EAR99 4.4mm unknown 3mm CMOS 1.2mm 8542.39.00.01 e3 MATTE TIN DUAL GULL WING 260 5V 40 8 INDUSTRIAL YES 0.65mm R-PDSO-G8 2.7V 85°C -40°C Timer or RTC Not Qualified 3/5V 5.5V 8 TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO I2C 1
PCF8564AU/10AB/1,0 PCF8564AU/10AB/1,0 NXP Semiconductors 0.0000
RFQ

Min: 1

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0.00000000 7 Weeks Bulk 2008 Active Not Applicable 9 ROHS3 Compliant Die I2C, 2-Wire Serial Surface Mount -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar UPPER NOT SPECIFIED 2V NOT SPECIFIED PCF8564 9 YES R-XUUC-N9 Timer or RTC Not Qualified 2/5V Alarm, Leap Year, Square Wave Output, Watchdog Timer 1V~5.5V HH:MM:SS (24 hr) 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd 0.6μA~0.75μA @ 2V~5V
ISL12027IBZ ISL12027IBZ Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube 2010 Obsolete 1 (Unlimited) ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar ISL12027 8 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
DS1308U-33+ DS1308U-33+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Surface Mount Tube 2013 yes 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 Unknown 3mm Surface Mount -40°C~85°C CMOS 1.1mm Clock/Calendar e3 TIN DUAL 260 3.3V 30 DS1308 8 0.65mm Timer or RTC 3.3/5V Leap Year, NVSRAM, Square Wave Output Clock 56B 3V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS N NO I2C YY-MM-DD-dd 125μA~200μA @ 3V~5.5V 1.3V~5.5V
X1286V14IT1 X1286V14IT1 Intersil Corporation 0.0000
RFQ

Min: 1

Mult: 1

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
X1227V8 X1227V8 Intersil 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
MCP79521T-I/MS MCP79521T-I/MS Microchip Technology 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 5 Weeks Surface Mount Tape & Reel (TR) 2012 Active 1 (Unlimited) 10 EAR99 3mm ROHS3 Compliant Lead Free No 10 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) SPI 3mm Surface Mount -40°C~85°C CMOS 1.1mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 3V 40 MCP79521 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
RTC-7301SF:B0 ROHS RTC-7301SF:B0 ROHS EPSON 0.0000
RFQ

Min: 1

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0.00000000 download 13 Weeks Tape & Reel (TR) Active 1 (Unlimited) ROHS3 Compliant 24-SOP (0.213, 5.40mm Width) Parallel Surface Mount -40°C~85°C Clock/Calendar Alarm 24-SSOP 2.4V~5.5V 1μA~2μA @ 3V~5V
DS1315EN-5 DS1315EN-5 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tube 2005 Obsolete 1 (Unlimited) 20 EAR99 5V 6.5mm Non-RoHS Compliant Contains Lead No 20 20-TSSOP (0.173, 4.40mm Width) Parallel 4.4mm Surface Mount -40°C~85°C CMOS 1.1mm 8542.39.00.01 Phantom Time Chip e0 Tin/Lead (Sn/Pb) DUAL 240 5V 20 DS1315 20 0.65mm Timer or RTC 5V Leap Year Clock 4.5V~5.5V HH:MM:SS:hh (12/24 hr) 0.032MHz 1/100SECOND N YES SERIAL, FIXED PROTOCOL YY-MM-DD-dd 1.3mA @ 5V 2.5V~3.7V
RX-4571NB:B3 PURE SN RX-4571NB:B3 PURE SN EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Tape & Reel (TR) RX-4571NB Active 1 (Unlimited) ROHS3 Compliant 22-LFDFN 3-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 22-SON (5x6) 1.6V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 0.95μA~1μA @ 3V~5V
X1228V14-4.5A X1228V14-4.5A Intersil 0.0000
RFQ

Min: 1

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0.00000000
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