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RTCs

Compare Image Name Manufacturer Pricing(USD) Quantity Weight(Kg) Size(LxWxH) Datasheet Factory Lead Time Lifecycle Status 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 Compliance Code Min Supply Voltage Height Width Thickness 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) Feature Supplier Device Package Number of Terminals Logic Function Memory Size 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
X1227V8Z-2.7 X1227V8Z-2.7 Intersil (Renesas Electronics America) 0.0000
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Min: 1

Mult: 1

0.00000000 Surface Mount Bulk 1 8 EAR99 70°C 0°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 COMMERCIAL 0.65mm R-PDSO-G8 2.7V Timer or RTC Not Qualified 3/5V 5.5V 512B HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd
BQ4822YMA-70 BQ4822YMA-70 Texas Instruments 0.0000
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Min: 1

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0.00000000 download Through Hole Tray no Obsolete 1 (Unlimited) 28 EAR99 5V 37.72mm ROHS3 Compliant Contains Lead Tin No 28 28-DIP Module (0.61, 15.49mm) Parallel 9.4mm 18.42mm Through Hole 0°C~70°C CMOS 8542.39.00.01 Clock/Calendar DUAL 5V BQ4822 28 2.54mm Timer or RTC 5V Alarm, Leap Year, Supervisor, Watchdog Timer Clock 7.8kB 4.5V~5.5V HH:MM:SS:hh (24 hr) 0.032MHz 1/100SECOND Y NO YY-MM-DD-dd 6mA @ 2.2 V~5.8 V
RX-8571NB:B3 PURE SN RX-8571NB:B3 PURE SN Seiko Epson Corporation 0.0000
RFQ

Min: 1

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0.00000000 6.3mm RoHS Compliant LG-MAX compliant 4.8mm CMOS 1.4mm e3 Tin (Sn) DUAL NO LEAD NOT SPECIFIED 3V NOT SPECIFIED INDUSTRIAL YES 0.5mm R-PDSO-N22 1.6V 85°C -40°C Timer or RTC Not Qualified 1.8/5V 5.5V 22 TIMER, REAL TIME CLOCK SECONDS Y YES I2C
RX-8025NB:AA3PURESN RX-8025NB:AA3PURESN EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
RX-8581NB:B3PURESN RX-8581NB:B3PURESN EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
RX-8035SA:AA3:PURE SN RX-8035SA:AA3:PURE SN EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Tape & Reel (TR) RX-8035SA Active 1 (Unlimited) ROHS3 Compliant 14-SOIC, Non-Standard I2C, 2-Wire Serial Surface Mount -40°C~85°C Time Event Recorder Alarm 14-SOP 2.4V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.5μA @ 3V 1V~5.5V
RX-4571LC:B0 PURE SN RX-4571LC:B0 PURE SN EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
1337DCGI 1337DCGI Renesas Electronics America 0.0000
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Min: 1

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0.00000000 download Tube Obsolete 1 (Unlimited) 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar IDT1337 Alarm, Leap Year, Square Wave Output 8-SOIC 1.8V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.6μA @ 1.3V~1.8V
BU9873F-GTE2 BU9873F-GTE2 ROHM Semiconductor 0.0000
RFQ

Min: 1

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0.00000000 11 Weeks Surface Mount Cut Tape (CT) 2013 Active 1 (Unlimited) 8 EAR99 5mm ROHS3 Compliant 8 SEATED-HGT CALCULATED 8-SOIC (0.173, 4.40mm Width) I2C, 2-Wire Serial 4.4mm Surface Mount -40°C~85°C CMOS 1.71mm Clock/Calendar DUAL NOT SPECIFIED 3V NOT SPECIFIED 1.27mm Alarm, Leap Year 1.8V~5.5V HH:MM:SS (12/24 hr) I2C YY-MM-DD-dd 1μA~1.35μA @ 3V~5.5V
PCF2127T/1,518 PCF2127T/1,518 NXP Semiconductors / Freescale 0.0000
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Min: 1

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0.00000000 Tape & Reel 85°C -40°C RoHS Compliant No SO Clock HH:MM:SS
X1228V14-4.5A X1228V14-4.5A Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 14-TSSOP (0.173, 4.40mm 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
RTC-72421B:ROHS RTC-72421B:ROHS EPSON 0.0000
RFQ

Min: 1

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0.00000000
DS1556WP-120IND DS1556WP-120IND Maxim Integrated 0.0000
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Min: 1

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0.00000000 download Tube 2005 no Obsolete 3 (168 Hours) 34 EAR99 Non-RoHS Compliant Contains Lead 34-PowerCap™ Module Parallel not_compliant Surface Mount -40°C~85°C CMOS 8473.30.11.80 Clock/Calendar e0 TIN LEAD DUAL 240 3.3V NOT SPECIFIED DS1556 34 YES R-XDMA-U34 Timer or RTC Not Qualified 3.3V Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K 128KB 2.97V~3.63V HH:MM:SS (24 hr) 8 0.032MHz SECONDS Y NO YY-MM-DD-dd 4mA @ 3.3V 3V
X1288V14I-2.7 X1288V14I-2.7 Intersil 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
RX-4574LC:B3PURESN RX-4574LC:B3PURESN EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
RV-3129-C3-32.768KHZ-OPTION-B-TB-QA RV-3129-C3-32.768KHZ-OPTION-B-TB-QA Micro Crystal 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 2 Weeks Tape & Reel (TR) Automotive, AEC-Q200 Active 1 (Unlimited) ROHS3 Compliant 10-VCDFN I2C, 2-Wire Serial Surface Mount -40°C~125°C TA Clock/Calendar Gold Flash (Au) 260 40 Alarm, EEPROM, NVRAM, Trickle Charger 2B 8B 1.3V~5.5V HH:MM:SS YY-MM-DD-dd 1μA @ 3V
ISL12022MAIBZ-T ISL12022MAIBZ-T Renesas Electronics America 0.0000
RFQ

Min: 1

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0.00000000 download 3 Weeks Tape & Reel (TR) 2008 Active 1 (Unlimited) 20 EAR99 12.8mm ROHS3 Compliant CASE NO : 64026634 20-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial not_compliant 7.5mm Surface Mount -40°C~85°C CMOS 2.65mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 3V 30 ISL12022 20 YES 1.27mm R-PDSO-G20 Alarm, Daylight Savings, Leap Year, SRAM 128B 2.7V~5.5V HH:MM:SS (12/24 hr) I2C; SERIAL YY-MM-DD-dd 14μA~15μA @ 3V~5V 1.8V~5.5V
X1228S14IZ-4.5A X1228S14IZ-4.5A Intersil (Renesas Electronics America) 0.0000
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Min: 1

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0.00000000 Surface Mount Bulk 3 14 EAR99 85°C -40°C 8.6614mm RoHS Compliant Lead Free SOIC 2-Wire, I2C, Serial 3.9116mm CMOS 1.7272mm 8542.39.00.01 e3 MATTE TIN DUAL 260 5V 40 14 INDUSTRIAL 1.27mm R-PDSO-G14 2.7V Timer or RTC Not Qualified 3/5V 5.5V 512B HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C 1 YY-MM-DD-dd
RTC-4701NB:B3 ROHS RTC-4701NB:B3 ROHS EPSON 0.0000
RFQ

Min: 1

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0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) 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
IDT1337GDCGI8 IDT1337GDCGI8 Integrated Device Technology (IDT) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Surface Mount Tape & Reel (TR) 85°C -40°C RoHS Compliant 8 SOIC 2-Wire, I2C, Serial HH:MM:SS (12/24 hr) YY-MM-DD-dd
BQ4285LSTR BQ4285LSTR Texas Instruments 0.0000
RFQ

Min: 1

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0.00000000 no 24 EAR99 15.4mm RoHS Compliant Contains Lead 24 SOIC 7.5mm CMOS 2.65mm 8542.39.00.01 DUAL GULL WING 3.15V 24 COMMERCIAL YES 1.27mm 2.7V 70°C Not Qualified 3.6V 8 TIMER, REAL TIME CLOCK 0.032MHz PARALLEL, MUXED BUS 1
PCA8565BS/1,118 PCA8565BS/1,118 NXP Semiconductors 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) 2003 Obsolete 1 (Unlimited) 10 3mm ROHS3 Compliant 10-VFDFN Exposed Pad I2C, 2-Wire Serial 3mm Surface Mount -40°C~125°C CMOS 1mm 8542.39.00.01 Clock/Calendar e4 NICKEL PALLADIUM GOLD DUAL 260 2V 30 PCA8565 10 YES 0.5mm S-PDSO-N10 Not Qualified Alarm, Leap Year, Square Wave Output, Watchdog Timer 1.8V~5.5V HH:MM:SS (24 hr) 0.032MHz I2C 1 YY-MM-DD-dd 1.2μA~5μA @ 2V~5V
ISL1221IUZ ISL1221IUZ Intersil 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
BQ3285ES BQ3285ES Texas Instruments 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 ACTIVE (Last Updated: 3 days ago) Surface Mount Tube yes Obsolete 1 (Unlimited) 24 EAR99 5V 15.4mm ROHS3 Compliant Lead Free Gold No 24 24-SOIC (0.295, 7.50mm Width) Parallel 2.65mm 7.5mm 2.35mm Surface Mount 624.398247mg 0°C~70°C CMOS 8542.39.00.01 Clock/Calendar e4 DUAL 260 5V BQ3285 24 1.27mm Timer or RTC 5V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Clock 242B 15mA 4.5V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 300μA @ 5V 2.5V~4V
DS1672U-33 DS1672U-33 Rochester Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube Obsolete 1 (Unlimited) Non-RoHS Compliant 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Binary Counter Trickle-Charger 8-uMAX 2.97V~3.63V Binary Binary 500μA @ 3.63V 1.3V~3.63V
X1227V8I-2.7 X1227V8I-2.7 Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Surface Mount Bulk 1 8 EAR99 85°C -40°C 4.4mm RoHS Compliant Contains Lead TSSOP 2-Wire, I2C, Serial 3mm CMOS 1.2mm 8542.39.00.01 e0 Tin/Lead (Sn/Pb) DUAL 240 5V 30 8 INDUSTRIAL 0.65mm R-PDSO-G8 2.7V Timer or RTC Not Qualified 3/5V 5.5V 512B HH:MM:SS (12/24 hr) TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y NO I2C 1 YY-MM-DD-dd
MCP7940MT-I/ST MCP7940MT-I/ST Microchip Technology 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Surface Mount Tape & Reel (TR) 2011 Active 1 (Unlimited) 8 EAR99 4.4mm ROHS3 Compliant Lead Free No 8 8-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.2mm Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 2.5V 40 MCP7940M 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) SECONDS Y NO I2C 1 YY-MM-DD-dd 1μA @ 5.5V
ISL12028IV27AZ-T ISL12028IV27AZ-T Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount 2005 Active 1 14 EAR99 85°C -40°C 3.3V 5mm RoHS Compliant No 14 TSSOP 2-Wire, I2C, Serial 5.5V 2.7V 4.4mm CMOS 1.2mm 8542.39.00.01 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 YES I2C YY-MM-DD-dd
IDT1339C-2SOGI IDT1339C-2SOGI Integrated Device Technology (IDT) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 RoHS Compliant 16 SOIC
RX-4045SA:AA3 RX-4045SA:AA3 EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tape & Reel (TR) RX-4045SA Obsolete 1 (Unlimited) 85°C -40°C ROHS3 Compliant Contains Lead 14 14-SOIC (0.209, 5.30mm Width) SPI 5.5V 1.7V Surface Mount 338.011364mg -40°C~85°C Clock/Calendar Alarm, Leap Year 14-SOP Clock 1.7V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.2μA~1.8μA @ 3V~5V
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