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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 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) Number of Outputs Feature Supplier Device Package Logic Function Memory Size Number of Bits Supply Current-Max 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
X1227S8Z-2.7A X1227S8Z-2.7A Intersil 0.0000
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Min: 1

Mult: 1

0.00000000
Q41802551000200 Q41802551000200 Seiko 0.0000
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Min: 1

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0.00000000
IDT1338-31DVGI8 IDT1338-31DVGI8 Integrated Device Technology (IDT) 0.0000
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0.00000000 download Surface Mount Tape & Reel (TR) 2006 85°C -40°C RoHS Compliant 8 MSOP 2-Wire, I2C, Serial 56B HH:MM:SS (12/24 hr) YY-MM-DD-dd
S-35190A-J8T1G S-35190A-J8T1G Seiko 0.0000
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Min: 1

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0.00000000
X1227V8-2.7 X1227V8-2.7 Renesas Electronics America 0.0000
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Min: 1

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0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount 0°C~70°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
BQ4802LYPWG4 BQ4802LYPWG4 Texas Instruments 0.0000
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Min: 1

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0.00000000 6 Weeks Surface Mount Tube Active 1 (Unlimited) 28 EAR99 3.3V 9.7mm ROHS3 Compliant Lead Free Gold No 28 28-TSSOP (0.173, 4.40mm Width) Parallel 1.15mm 4.4mm Surface Mount 117.508773mg 0°C~70°C CMOS 8542.39.00.01 Clock/Calendar e4 DUAL 260 3.3V BQ4802 28 0.65mm Timer or RTC Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer Clock 9mA 2.7V~3.6V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO 1 YY-MM-DD-dd 1.5mA Typ @ 2.7 V~3.6 V 2.4V~4V
DS1742-100IND+ DS1742-100IND+ Maxim Integrated 0.0000
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Min: 1

Mult: 1

0.00000000 download Through Hole Tube 2012 yes Obsolete 1 (Unlimited) 24 EAR99 5V 37.595mm ROHS3 Compliant Lead Free No 24 24-DIP Module (0.600, 15.24mm) Parallel Unknown Through Hole -40°C~85°C CMOS 8.51mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V DS1742 24 2.54mm Timer or RTC 5V Leap Year, NVSRAM, Y2K Clock 2KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 3mA @ 5V
DS1557P-70+ DS1557P-70+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 10 Weeks Tray 2003 yes Active 3 (168 Hours) 34 EAR99 ROHS3 Compliant Lead Free 34-PowerCap™ Module Parallel Surface Mount 0°C~70°C CMOS 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL NOT SPECIFIED 5V NOT SPECIFIED DS1557 34 YES R-XDMA-U34 Timer or RTC Not Qualified 5V Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 512KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 6mA @ 5V 3V
DS1557WP-120+ DS1557WP-120+ Maxim Integrated 0.0000
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Min: 1

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0.00000000 download 6 Weeks Tray 2003 yes Active 3 (168 Hours) 34 EAR99 ROHS3 Compliant Lead Free 34 34-PowerCap™ Module Parallel Surface Mount 0°C~70°C CMOS 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL NOT SPECIFIED 3.3V NOT SPECIFIED DS1557 34 YES Timer or RTC Not Qualified 3.3V Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 512KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 4mA @ 3.3V 3V
MCP795W22T-I/SL MCP795W22T-I/SL Microchip Technology 0.0000
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Min: 1

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0.00000000 download 5 Weeks Surface Mount Tape & Reel (TR) 2012 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 MCP795W22 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
DS1554P-70 DS1554P-70 Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Surface Mount Tube 2005 Obsolete 3 (168 Hours) 34 EAR99 5V Non-RoHS Compliant Contains Lead No 34 IT CAN ALSO OPERATE WITH 5V 34-PowerCap™ Module Parallel Surface Mount 0°C~70°C CMOS 8542.39.00.01 Clock/Calendar e0 TIN LEAD DUAL 240 5V DS1554 34 Timer or RTC 5V Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K Clock 32KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 6mA @ 5V 3V
IDT1337GNLGI8 IDT1337GNLGI8 Integrated Device Technology (IDT) 0.0000
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Min: 1

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0.00000000 Surface Mount Tape & Reel (TR) 85°C -40°C RoHS Compliant 16 QFN 2-Wire, I2C, Serial HH:MM:SS (12/24 hr) YY-MM-DD-dd
DS1602 DS1602 Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Through Hole Tube 2002 Obsolete 1 (Unlimited) 8 EAR99 Non-RoHS Compliant Contains Lead 8 TWO 32-BIT COUNTERS TO TRACK REAL & ELAPSED TIME; ONE BYTE PROTOCOL; TIMEKEEPING CURRENT = 400NA 8-DIP (0.300, 7.62mm) 3-Wire Serial not_compliant 32.8kHz Through Hole -40°C~85°C CMOS Elapsed Time Counter e0 Tin/Lead (Sn/Pb) DUAL 240 5V 20 DS1602 8 Not Qualified 1 Clock, Counter 4.5V~5.5V Binary SERIAL, 3-WIRE 50μA @ 5V 2.5V~3.5V
ISL1208IB8Z-TKR5291 ISL1208IB8Z-TKR5291 Intersil (Renesas Electronics America) 0.0000
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Min: 1

Mult: 1

0.00000000 download Surface Mount 2004 85°C -40°C RoHS Compliant SOIC 2-Wire, I2C, Serial 2B HH:MM:SS (12/24 hr) YY-MM-DD-dd
RS5C372B-E2-F RS5C372B-E2-F Ricoh Electronic Devices Company 0.0000
RFQ

Min: 1

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0.00000000 download 9 Weeks Tape & Reel (TR) Active 1 (Unlimited) RoHS Compliant 8-LSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 8-SSOP Clock 1.7V~6V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.9μA~2μA @ 3V~6V
DS17485S-5 DS17485S-5 Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Tube 2010 Obsolete 1 (Unlimited) 24 EAR99 17.9mm Non-RoHS Compliant Contains Lead 24-SOIC (0.295, 7.50mm Width) Parallel not_compliant 7.5mm Surface Mount 0°C~70°C CMOS 2.67mm 8542.39.00.01 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 245 5V NOT SPECIFIED DS17485 24 YES 1.27mm R-PDSO-G24 Timer or RTC Not Qualified 5V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 4KB 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 3mA @ 4.5V~5.5V 2.5V~3.7V
R2051S03-E2-F R2051S03-E2-F Ricoh Electronic Devices Company 0.0000
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Min: 1

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0.00000000 download 9 Weeks Tape & Reel (TR) Active 1 (Unlimited) RoHS Compliant
MCP7940NT-I/MS MCP7940NT-I/MS Microchip Technology 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 7 Weeks Surface Mount Tape & Reel (TR) 2012 Automotive, AEC-Q100 Active 1 (Unlimited) 8 EAR99 3mm ROHS3 Compliant 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 e3 Matte Tin (Sn) - annealed DUAL 260 2.5V 40 MCP7940N 8 0.65mm Timer or RTC 2/5V Alarm, Leap Year, Square Wave Output, SRAM Clock 64B 1.8V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd 1.2μA @ 3.3V 1.3V~5.5V
RV5C338A-E2-F RV5C338A-E2-F Ricoh Electronic Devices Company 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 9 Weeks Tape & Reel (TR) Active 1 (Unlimited) RoHS Compliant
RV5C348B-E2-F RV5C348B-E2-F Ricoh Electronic Devices Company 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 9 Weeks Tape & Reel (TR) Active 1 (Unlimited) RoHS Compliant 10-LFSOP, 10-MSOP (0.110, 2.80mm Width) 4-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 1μA @ 3V
DS2417P DS2417P Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Surface Mount Tube 2009 Obsolete 1 (Unlimited) 6 EAR99 4mm Non-RoHS Compliant Contains Lead Tin No 6 6-LSOJ (0.148, 3.76mm Width) 1-Wire® Serial Unknown 1.5mm 3.89mm Surface Mount -40°C~85°C CMOS 8542.39.00.01 Binary Counter e0 DUAL 240 3V 20 DS2417 6 1.27mm Unique ID Clock 2.5V~5.5V Binary 0.032MHz SERIAL, 1-WIRE 0.45μA @ 2.5V~5.5V
DS1315-33+ DS1315-33+ Maxim Integrated 0.0000
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Min: 1

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0.00000000 download 8 Weeks Through Hole Tube 2011 yes Active 1 (Unlimited) 16 EAR99 3.3V 19.175mm ROHS3 Compliant Lead Free No 16 16-DIP (0.300, 7.62mm) Parallel 7.62mm Through Hole 0°C~70°C CMOS 4.572mm 8542.39.00.01 Phantom Time Chip e3 Matte Tin (Sn) DUAL 260 3.3V 30 DS1315 16 2.54mm Timer or RTC Leap Year Clock 3V~3.6V HH:MM:SS:hh (12/24 hr) 0.032MHz 1/100SECOND N YES SERIAL, FIXED PROTOCOL YY-MM-DD-dd 1.1mA @ 3.3V 2.5V~3.7V
RX-8564LC:B3 PURE SN RX-8564LC:B3 PURE SN EPSON 0.0000
RFQ

Min: 1

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0.00000000 download 15 Weeks Tape & Reel (TR) RX-8564LC Active 1 (Unlimited) ROHS3 Compliant 12-TFSOJ (0.094, 2.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year 12-VSOJ 1.8V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 0.65μA~0.8μA @ 2V~5V
R2043L-E2 R2043L-E2 RICOH Electronic Devices Co., LTD. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 9 Weeks Tape & Reel (TR) Active 1 (Unlimited) 16 2.3mm RoHS Compliant 2.3mm CMOS 0.43mm QUAD NO LEAD 3V 16 INDUSTRIAL YES 0.4mm S-XQCC-N16 1.7V 85°C -40°C 5.5V TIMER, REAL TIME CLOCK 0.032MHz SERIAL, 4-WIRE/SPI
RX8900SA:UA3PURESN RX8900SA:UA3PURESN EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
RTC-72421A RTC-72421A EPSON 0.0000
RFQ

Min: 1

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0.00000000 download Through Hole Tube Obsolete 1 (Unlimited) 70°C -10°C 5V Non-RoHS Compliant 18 18-DIP (0.300, 7.62mm) Parallel 5.5V 4.5V Through Hole -10°C~70°C Clock/Calendar Leap Year 18-DIP 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 5μA~10μA @ 2V~5V
DS1251W-120IND+ DS1251W-120IND+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 11 Weeks Tube 2011 yes Active 1 (Unlimited) 32 3A991.B.2.A 43.053mm ROHS3 Compliant Lead Free 32-DIP Module (0.600, 15.24mm) Parallel 15.24mm Through Hole -40°C~85°C CMOS 10.922mm 8473.30.11.40 Phantom Time Chip e3 Matte Tin (Sn) DUAL NOT SPECIFIED 3.3V NOT SPECIFIED DS1251 32 NO 2.54mm R-PDIP-P32 Timer or RTC Not Qualified 3.3V Leap Year, NVSRAM 512KB 2.97V~3.63V HH:MM:SS:hh (12/24 hr) 8 1/100SECOND N NO YY-MM-DD-dd 7mA @ 3.3V
CDP68HC68T1M2Z96 CDP68HC68T1M2Z96 Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

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0.00000000 download 19 Weeks Surface Mount Tape & Reel 2001 Active 3 16 EAR99 85°C -40°C 10.3mm RoHS Compliant Lead Free Tin 16 SOIC SPI 6V 3V 7.5mm CMOS 2.65mm 8542.39.00.01 e3 DUAL 260 5V 30 INDUSTRIAL 1.27mm Timers or RTCs Not Qualified 3.3/5V Clock 32B HH:MM:SS 4.1943MHz SECONDS Y YES SERIAL, 3-WIRE 1 YY-MM-DD-dd
ISL12027IB27Z-T ISL12027IB27Z-T Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tape & Reel (TR) 2010 Active 1 8 EAR99 85°C -40°C 3.3V 4.9mm RoHS Compliant Lead Free No 8 SOIC 2-Wire, I2C, Serial 5.5V 2.7V 3.9mm CMOS 1.75mm e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 40 INDUSTRIAL 1.27mm Timer or RTC 3/5V Clock 512B HH:MM:SS 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
X1205V8IZ X1205V8IZ Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

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0.00000000 download Surface Mount Bulk 2005 1 8 EAR99 85°C -40°C 4.4mm RoHS Compliant Lead Free TSSOP 2-Wire, I2C, Serial 3mm CMOS 1.2mm 8542.39.00.01 e3 MATTE TIN DUAL 260 5V 40 8 INDUSTRIAL 0.65mm R-PDSO-G8 2.7V Timer or RTC Not Qualified 3/5V 5.5V HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd
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