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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 Termination 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 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) Ambient Temperature Range High Voltage Number of Outputs Feature Supplier Device Package Number of Terminals Logic Function Memory Size Number of Bits Voltage - Supply Time Format External Data Bus Width uPs/uCs/Peripheral ICs Type Clock Frequency RAM (words) On Chip Data RAM Width Time-Min Interrupt Capability Volatile Information Access Method Number of Timers Date Format Current - Timekeeping (Max) Voltage - Supply, Battery
DS1678 DS1678 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tube 2009 no Obsolete 1 (Unlimited) 8 EAR99 5V 9.375mm Non-RoHS Compliant Contains Lead No 8 8-DIP (0.300, 7.62mm) I2C, 2-Wire Serial Unknown 7.62mm Through Hole -40°C~85°C CMOS 4.572mm Time Event Recorder e0 Tin/Lead (Sn/Pb) DUAL 245 5V DS1678 8 2.54mm Timer or RTC 5V Alarm, Leap Year, NVSRAM, Y2K Clock 32B 4.5V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd 2.6V~3.5V
DS1302ZNT DS1302ZNT Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 2005 yes 1 8 EAR99 4.9mm RoHS Compliant Contains Lead BURST MODE RAM DATA TRANSFER; TIMEKEEPING CURRENT = 0.3UA compliant 3.9mm CMOS 1.75mm 8542.39.00.01 e3 Matte Tin (Sn) DUAL GULL WING 260 3.3V NOT SPECIFIED 8 INDUSTRIAL YES 1.27mm R-PDSO-G8 2V 85°C -40°C Timer or RTC Not Qualified 3/5V 5.5V TIMER, REAL TIME CLOCK 0.032MHz SECONDS N YES SERIAL, 3-WIRE
DS1685E-5+ DS1685E-5+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Surface Mount Tube 2000 yes Active 1 (Unlimited) 24 EAR99 5V 7.8mm ROHS3 Compliant Lead Free No 24 24-TSSOP (0.173, 4.40mm Width) Parallel 4.4mm Surface Mount 0°C~70°C CMOS 1.1mm 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V DS1685 24 0.65mm 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
DS1315E-5 DS1315E-5 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tube 2011 yes 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 0°C~70°C CMOS 1.1mm 8542.39.00.01 Phantom Time Chip e3 Matte Tin (Sn) DUAL 260 5V 30 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
DS1691 DS1691 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tube 2005 Obsolete 1 (Unlimited) Non-RoHS Compliant Contains Lead 28-DIP Module (0.600, 15.24mm) Parallel Through Hole 0°C~70°C Clock/Calendar DS1691 Alarm, Leap Year, Square Wave Output, Unique ID Clock 114B 2.7V~3.3V 4.5V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD
BQ3285ESSTR BQ3285ESSTR Rochester Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Tape & Reel (TR) yes Obsolete 2 (1 Year) 24 8.65mm ROHS3 Compliant 24-SSOP (0.154, 3.90mm Width) Parallel 3.9mm Surface Mount 0°C~70°C CMOS 1.75mm Clock/Calendar e4 NICKEL PALLADIUM GOLD DUAL 260 5V NOT SPECIFIED 24 YES 0.635mm R-PDSO-G24 COMMERCIAL Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 242B 4.5V~5.5V HH:MM:SS (12/24 hr) 8 0.032MHz 1 YY-MM-DD-dd 300μA @ 5V 2.5V~4V
MCP795B10-I/SL MCP795B10-I/SL Microchip Technology 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tube 2011 Obsolete 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) DUAL 5V MCP795B10 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~5.5V HH:MM:SS:hh (12/24 hr) 10MHz 1/100SECOND Y NO YY-MM-DD-dd 1μA @ 1.8V~5.5V 1.3V~5.5V
X1226V8IT2 X1226V8IT2 Intersil 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
DS1337S DS1337S Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tube 2003 yes Obsolete 1 (Unlimited) 8 SMD/SMT EAR99 3.3V 5mm Non-RoHS Compliant Contains Lead Tin No 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Unknown 32.768kHz 1.5mm 4mm Surface Mount -40°C~85°C CMOS Clock/Calendar e3 DUAL 260 3.3V DS1337 8 Timers or RTCs 2 Alarm, Leap Year, Square Wave Output Clock 56B 1.8V~5.5V HH:MM:SS (12/24 hr) SECONDS Y YES I2C 1 YY-MM-DD-dd 0.6μA @ 1.3V~1.8V
DS1602S+ DS1602S+ Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Surface Mount Tube 2002 Obsolete 1 (Unlimited) 8 EAR99 5.31mm ROHS3 Compliant Lead Free 8 TWO 32-BIT COUNTERS TO TRACK REAL & ELAPSED TIME; ONE BYTE PROTOCOL; TIMEKEEPING CURRENT = 400NA 8-SOIC (0.209, 5.30mm Width) 3-Wire Serial Surface Mount -40°C~85°C CMOS 2.13mm Elapsed Time Counter e3 Matte Tin (Sn) DUAL 260 5V 30 DS1602 8 1.27mm Not Qualified Clock, Counter 4.5V~5.5V Binary 2MHz SERIAL, 3-WIRE 50μA @ 5V 2.5V~3.5V
DS1747-70 DS1747-70 Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Through Hole Tube 2005 yes Obsolete 1 (Unlimited) 32 EAR99 5V 44.2mm Non-RoHS Compliant Contains Lead No 32 32-DIP Module (0.600, 15.24mm) Parallel Unknown 10.92mm 18.8mm Through Hole 0°C~70°C CMOS 8473.30.11.80 Clock/Calendar e3 Matte Tin (Sn) DUAL 260 5V DS1747 32 2.54mm Timer or RTC 5V Leap Year, NVSRAM, Y2K Clock 512KB 4.5V~5.5V HH:MM:SS (24 hr) SECONDS N NO YY-MM-DD-dd 4mA @ 5V
1337CSRI 1337CSRI Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Last Time Buy 1 (Unlimited) 16-SOIC (0.295, 7.50mm Width) I2C Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, Square Wave Output 1.8V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.6μA @ 1.3V~1.8V 1.3V~3.7V
1337GDVGI8 1337GDVGI8 Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) Active 3 (168 Hours) ROHS3 Compliant 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar IDT1337 Alarm, Leap Year, Square Wave Output 8-MSOP 1.8V~5.5V HH:MM:SS (12/24 hr) YY-MM-DD-dd 0.6μA @ 1.3V~1.8V
X1286A8IT1 X1286A8IT1 Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) Non-RoHS Compliant 8-SOIC (0.209, 5.30mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar X1286 Alarm, Leap Year, Supervisor, Watchdog Timer 2.7V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 10μA~20μA @ 2.7V~5V 1.8V~5.5V
DP8573AV DP8573AV Rochester Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 Tube Obsolete 2A (4 Weeks) EAR99 Non-RoHS Compliant 28-LCC (J-Lead) Parallel Surface Mount -40°C~85°C 8542.39.00.01 Clock/Calendar Alarm, Leap Year 4.5V~5.5V HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 1μA @ 5V 2.2V~5.1V
MAX6916EO30+T MAX6916EO30+T Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) 2013 Obsolete 1 (Unlimited) 20 EAR99 85°C -40°C 8.65mm ROHS3 Compliant Lead Free 20-SSOP (0.154, 3.90mm Width) SPI, 3-Wire Serial 3.9mm Surface Mount CMOS 1.73mm 8542.39.00.01 Clock/Calendar/Supervisor e3 Matte Tin (Sn) DUAL 260 3V 30 MAX6916 20 INDUSTRIAL YES 0.635mm R-PDSO-G20 Timer or RTC Not Qualified 3V Clock 96B 8 2.7V~3.3V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y NO I2C YY-MM-DD-dd
RTC-4543SB:B3ROHS RTC-4543SB:B3ROHS EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
DS1305N DS1305N Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tube 2002 no Obsolete 1 (Unlimited) 16 EAR99 19.175mm Non-RoHS Compliant Contains Lead 16-DIP (0.300, 7.62mm) SPI not_compliant 7.62mm Through Hole -40°C~85°C CMOS 4.572mm 8473.30.11.80 Clock/Calendar e0 Tin/Lead (Sn/Pb) DUAL 240 5V 20 DS1305 16 NO 2.54mm R-PDIP-T16 Timer or RTC Not Qualified 3/5V Alarm, Leap Year, NVSRAM, Trickle-Charger 96B 2V~5.5V HH:MM:SS (12/24 hr) 0.032MHz SECONDS Y YES SERIAL, 3-WIRE YY-MM-DD-dd 25.3μA~81μA @ 2V~5V 2V~5.5V
DS1340C-3# DS1340C-3# Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Surface Mount Tube 2002 yes Active 1 (Unlimited) 16 EAR99 3V 10.3mm ROHS3 Compliant Tin No 16 16-SOIC (0.295, 7.50mm Width) I2C, 2-Wire Serial 7.5mm Surface Mount -40°C~85°C CMOS 2.65mm 8542.39.00.01 Clock/Calendar e3 DUAL 260 3V 40 DS1340 16 1.27mm Leap Year, Trickle-Charger Clock 2.7V~5.5V HH:MM:SS (24 hr) 0.032MHz I2C YY-MM-DD-dd 125μA @ 3.3V 1.3V~3.7V
DS1682S+T&R DS1682S+T&R Maxim Integrated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 6 Weeks Tape & Reel (TR) 2002 Active 1 (Unlimited) ROHS3 Compliant Lead Free 8 8-SOIC (0.154, 3.90mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Elapsed Time Counter DS1682 Alarm, EEPROM 8-SOIC 10B 2.5V~5.5V Binary Binary 4μA~15μA @ 3V~5.5V
RTC72421B RTC72421B EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
ISL12028IV30AZ-T ISL12028IV30AZ-T Renesas Electronics America 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) ROHS3 Compliant 14-TSSOP (0.173, 4.40mm Width) I2C, 2-Wire Serial Surface Mount -40°C~85°C Clock/Calendar ISL12028 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
X1227S8-2.7T1 X1227S8-2.7T1 Intersil 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
PT7C43190LEX PT7C43190LEX Diodes Incorporated 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tape & Reel (TR) Obsolete 1 (Unlimited) 8 EAR99 4.4mm ROHS3 Compliant 8-TSSOP (0.173, 4.40mm Width) 3-Wire Serial 3mm Surface Mount -40°C~85°C CMOS 1.2mm 8542.39.00.01 Clock/Calendar DUAL 3V YES 0.65mm R-PDSO-G8 Timer or RTC Not Qualified 3/5V Alarm, Leap Year, Square Wave Output 1.35V~5.5V HH:MM:SS (12/24 hr) SECONDS Y NO SERIAL, 3-WIRE 1 YY-MM-DD-dd 0.6μA~14μA @ 3V~5V
PCF8583T/5 PCF8583T/5 NXP Semiconductors / Freescale 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 2 8 7.55mm RoHS Compliant SO I2C 6V 2.5V 100kHz 2.65mm 7.5mm CMOS e4 NICKEL PALLADIUM GOLD DUAL GULL WING 260 5V 40 8 INDUSTRIAL YES Timer or RTC Not Qualified 85°C 5V 2 240B TIMER, REAL TIME CLOCK 256 8 1/100SECOND Y YES I2C
X1228S14Z-2.7T1 X1228S14Z-2.7T1 Intersil Corporation 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 3 EAR99 8.6614mm RoHS Compliant compliant 3.9116mm CMOS 1.7272mm 8542.39.00.01 e3 MATTE TIN DUAL GULL WING 260 5V 40 14 COMMERCIAL YES 1.27mm R-PDSO-G14 2.7V 70°C Timer or RTC Not Qualified 3/5V 5.5V 14 TIMER, REAL TIME CLOCK 0.032MHz SECONDS Y YES I2C 1
X1227S8I-2.7 X1227S8I-2.7 Intersil 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
RTC-63421B RTC-63421B Seiko 0.0000
RFQ

Min: 1

Mult: 1

0.00000000
BQ4832YMA-85 BQ4832YMA-85 Rochester Electronics 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download Tray Obsolete 3 (168 Hours) ROHS3 Compliant 32-DIP Module (0.61, 15.49mm) Parallel Through Hole 0°C~70°C Clock/Calendar Alarm, Supervisor, Watchdog Timer 32-DIP Module (18.42x42.8) 4.5V~5.5V HH:MM:SS:hh (24 hr) YY-MM-DD-dd 4mA @ 4.5 V~5.5 V
RX-4581NB:B ROHS RX-4581NB:B ROHS EPSON 0.0000
RFQ

Min: 1

Mult: 1

0.00000000 download 13 Weeks Bulk RX-4581NB Active 1 (Unlimited) ROHS3 Compliant 22-SMD, 20 Leads, Flat Leads SPI Surface Mount -40°C~85°C Clock/Calendar Alarm, Leap Year, SRAM 22-SON 16B 1.6V~5.5V HH:MM:SS (24 hr) YY-MM-DD-dd 0.8μA~1.2μA @ 3V~5V
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