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RTCs

Compare Image Name Manufacturer Pricing(USD) Quantity Weight(Kg) Size(LxWxH) Datasheet Factory Lead Time Mount Packaging Published 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 Package / Case Interface Max Supply Voltage Reach Compliance Code Min Supply Voltage Frequency Height Width Thickness Mounting Type Weight Operating Temperature Technology Operating Supply Current 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) Number of Channels Subcategory Qualification Status Power Supplies Supply Voltage-Max (Vsup) Number of Outputs Feature Adjustable Threshold Supplier Device Package Logic Function Access Time Memory Size 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
DS1687-3+ DS1687-3+ Maxim Integrated 0.0000
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Min: 1

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0.00000000 download 6 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 260 3V NOT SPECIFIED DS1687 24 NO 2.54mm Timer or RTC Not Qualified 3V Alarm, NVSRAM, Square Wave Output, Y2K 242B 2.7V~3.7V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 2mA @ 3V 2.5V~3.7V
DS1337 DS1337 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube 2008 yes Obsolete 1 (Unlimited) 16 EAR99 10.3mm Non-RoHS Compliant Contains Lead 8 8-DIP (0.300, 7.62mm) I2C, 2-Wire Serial not_compliant 7.5mm Through Hole -40°C~85°C CMOS 2.65mm Clock/Calendar e3 Matte Tin (Sn) DUAL 260 3.3V NOT SPECIFIED DS1337 16 YES 1.27mm R-PDSO-G16 Timer or RTC Not Qualified 1.5/5V Alarm, Leap Year, Square Wave Output 1.8V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y YES I2C 1 YY-MM-DD-dd 0.6μA @ 1.3V~1.8V
DS1244WP-120IND DS1244WP-120IND Maxim Integrated 0.0000
RFQ

Min: 1

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0.00000000 download Surface Mount Tube 2005 Obsolete 3 (168 Hours) 34 EAR99 3.3V Non-RoHS Compliant Contains Lead No 34 34-PowerCap™ Module Parallel 120GHz Surface Mount -40°C~85°C CMOS 8542.39.00.01 Phantom Time Chip e0 TIN LEAD DUAL 240 3.3V DS1244 34 Timer or RTC Leap Year, NVSRAM Clock 120 ns 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
MCP7940MT-I/MS MCP7940MT-I/MS Microchip Technology 0.0000
RFQ

Min: 1

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0.00000000 download 7 Weeks Surface Mount Tape & Reel (TR) 2007 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 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
1338-31DCGI 1338-31DCGI Integrated Device Technology (IDT) 0.0000
RFQ

Min: 1

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0.00000000 download 7 Weeks Surface Mount 2006 yes Active 1 8 EAR99 85°C -40°C 3.3V 4.9mm RoHS Compliant Lead Free Tin No 8 SOIC 2-Wire, I2C, Serial 5.5V 2.45V 3.9mm 1.5mm CMOS 1.75mm e3 DUAL 260 30 8 INDUSTRIAL 1.27mm Timer or RTC 3.6/5V Clock 56B HH:MM:SS 0.032MHz SECONDS N NO I2C 1 YY-MM-DD-dd
R2045D-E2-F R2045D-E2-F Ricoh Electronic Devices Company 0.0000
RFQ

Min: 1

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0.00000000 download Obsolete RoHS Compliant 22 Clock/Calendar/Alarm/Interrupt HH:MM:SS DW:DM:M:Y
PT7C4302AWEX PT7C4302AWEX Diodes Incorporated 0.0000
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Min: 1

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0.00000000 20 Weeks Tape & Reel (TR) Active 1 (Unlimited) ROHS3 Compliant 8-SOIC (0.154, 3.90mm Width) 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 1.2V~5.5V
R2023L-E2 R2023L-E2 Ricoh Electronic Devices Company 0.0000
RFQ

Min: 1

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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 I2C
PCF8564AUG/12HB/1V PCF8564AUG/12HB/1V NXP Semiconductors 0.0000
RFQ

Min: 1

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0.00000000 7 Weeks Tray 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 9 YES R-XUUC-N9 Alarm, Leap Year, Square Wave Output, Watchdog Timer 1V~5.5V HH:MM:SS (24 hr) 0.032MHz I2C 1 YY-MM-DD-dd 0.6μA~0.75μA @ 2V~5V
DS17285SN-5+ DS17285SN-5+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 10 Weeks Surface Mount Tube 2000 yes Active 1 (Unlimited) 24 EAR99 5V 17.9mm ROHS3 Compliant Lead Free No 24 24-SOIC (0.295, 7.50mm Width) Parallel 7.5mm Surface Mount 1.098005g -40°C~85°C CMOS 25mA 2.67mm 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V DS17285 24 1.27mm Timer or RTC 5V Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output Clock 2KB 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
DS1742-100IND DS1742-100IND Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube 2007 Discontinued 1 (Unlimited) 24 EAR99 37.595mm Non-RoHS Compliant Contains Lead 24-DIP Module (0.600, 15.24mm) Parallel not_compliant 15.24mm Through Hole -40°C~85°C CMOS 8.51mm 8473.30.11.80 Clock/Calendar e0 TIN LEAD DUAL NOT SPECIFIED 5V NOT SPECIFIED DS1742 24 NO 2.54mm R-PDIP-P24 Timer or RTC Not Qualified 5V Leap Year, NVSRAM, Y2K 2KB 4.5V~5.5V HH:MM:SS (24 hr) 8 0.032MHz SECONDS N NO YY-MM-DD-dd 3mA @ 5V
DS1374U-33 DS1374U-33 Rochester Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube no Obsolete 1 (Unlimited) 10 3mm Non-RoHS Compliant 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial unknown 3mm Surface Mount -40°C~85°C CMOS 1.1mm 1 Binary Counter e0 TIN LEAD DUAL 240 3.3V 20 10 YES 0.5mm S-PDSO-G10 2.97V 1 5.5V Alarm, Square Wave Output, Trickle-Charger, Watchdog Timer NO 2.97V~5.5V Binary 175μA @ 2.97V~5.5V 1.3V~5.5V
ISL12057IUZ ISL12057IUZ Intersil (Renesas Electronics America) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 5 Weeks Surface Mount 2008 Active 1 8 EAR99 85°C -40°C 3.3V 3mm RoHS Compliant Lead Free No 8 MSOP 2-Wire, I2C, Serial 3.6V 1.8V 3mm CMOS 1.1mm e3 Matte Tin (Sn) - annealed DUAL 260 3V 30 INDUSTRIAL 0.65mm Timer or RTC Clock HH:MM:SS 0.032MHz SECONDS Y YES I2C YY-MM-DD-dd
1337DCGI 1337DCGI Integrated Device Technology (IDT) 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount 2006 yes 1 8 EAR99 85°C -40°C 3.3V 4.9mm RoHS Compliant No 8 SOIC 2-Wire, I2C, Serial 3.9mm CMOS 1.75mm e3 Matte Tin (Sn) - annealed DUAL 260 3.3V 30 8 INDUSTRIAL 1.27mm Timer or RTC 2/5V 5.5V Clock HH:MM:SS (12/24 hr) SECONDS Y I2C 1 YY-MM-DD-dd
ISL12029IBAZ ISL12029IBAZ Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube 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
AB-RTCMC-32.768KHZ-ZIZE-S2-T AB-RTCMC-32.768KHZ-ZIZE-S2-T Abracon LLC 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Surface Mount Tape & Reel (TR) Active 1 (Unlimited) 85°C -40°C 3V RoHS Compliant Lead Free No 10-SMD Module SPI 5.5V 1.6V Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, Square Wave Output, Watchdog Timer Module Clock 1.1V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.35μA~0.4μA @ 2V~5V
MCP79522-I/MS MCP79522-I/MS Microchip Technology 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 5 Weeks Tube 2012 Active 1 (Unlimited) 10 EAR99 3mm ROHS3 Compliant Lead Free No 10 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) SPI 950μm 3mm Surface Mount -40°C~85°C CMOS 8542.39.00.01 Clock/Calendar e3 Matte Tin (Sn) - annealed DUAL 260 3V 40 MCP79522 YES 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
ISL12030IBZ ISL12030IBZ Intersil 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
DS1685Q-5 DS1685Q-5 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tube 2000 yes Obsolete 1 (Unlimited) 28 EAR99 5V 11.505mm Non-RoHS Compliant Contains Lead No 28 28-LCC (J-Lead) Parallel 11.505mm Surface Mount 0°C~70°C CMOS 4.57mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) QUAD 260 5V DS1685 28 1.27mm Timer or RTC 5V Alarm, NVSRAM, Square Wave Output, Y2K Clock 242B 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz SECONDS Y YES 1 YY-MM-DD-dd 3mA @ 5V 2.5V~3.7V
AM0815AQ AM0815AQ Ambiq Micro, Inc. 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) Discontinued 1 (Unlimited) 85°C -40°C RoHS Compliant 16-VFQFN Exposed Pad SPI 3.6V 1.5V 32.768kHz 900μm Surface Mount -40°C~85°C Clock/Calendar 2 Alarm, Leap Year, Square Wave Output, Watchdog Timer 16-QFN (3x3) 256B 1.5V~3.6V HH:MM:SS:hh YY-MM-DD-dd 1.4V~3.6V
DS1338U-33 DS1338U-33 Rochester Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube no Obsolete 1 (Unlimited) 8 3mm Non-RoHS Compliant 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 e0 TIN LEAD DUAL 240 3.3V 20 8 YES 0.65mm S-PDSO-G8 COMMERCIAL Leap Year, NVSRAM, Square Wave Output 56B 3V~5.5V HH:MM:SS (12/24 hr) 0.032MHz I2C 1 YY-MM-DD-dd 125μA~200μA @ 3.63V~5.5V 1.3V~3.7V
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